Mauritius – notes from the archives

I’ve just returned from a few weeks in Mauritius, where I was lucky enough to spend some time both exploring the archives and exploring the island, to follow-up on and deepen my engagement with the island’s meteorological history.

The Black River Gorges National Park. Although the only National Park on the island, it sits in a long tradition of (battles over) forest conservation, often with the aim of protecting the island’s climate.

I started working on the history of meteorology in Mauritius by following Albert Walter, founding director of the British East African Meteorological Service, back to the place where he cut his teeth. Walter left behind rich personal archives, and the history of organised weather observation on the island, which really begins in 1851 with the founding of the Meteorological Society of Mauritius, is equally well documented through a trail of publications which can be largely accessed in the UK.

I have a paper coming out soon in the British Journal for the History of Science which traces some of this history, based largely on archival materials available locally. My aim in Mauritius was to flesh out some key points of that history (for a potted history of Mauritian meteorology, see here).

The story which I narrate in my paper goes something like this: in 1851 a Met. Society was formed with the aim of formalising observation on the island, and promoting the use of ship log books to compile observations on tropical cyclones. Charles Meldrum took the lead on the latter, developing new theoretical insights on cyclone formation and behaviour which pushed forward ‘cyclonology’ while also helping mariners navigate tropical seas more safely. By the late 19th century however, ships were no longer calling at Mauritius so regularly to deposit their observations. Attention turned instead to further refining techniques of ‘single station forecasting’, whereby the rules being laid down by Meldrum and others could be used to observe and predict cyclone behaviour using just the instruments at one observatory. Mauritius wasn’t connected to anywhere by telegraph which could warn it of impending storms – the meteorologists were on their own. They therefore had new responsibilities to their paymasters in the colonial government, and rules were carefully set down about how meteorologists should go about making predictions and sending warnings when a storm was approaching. So from seeking to standardise meteorological practice across the wide Indian Ocean, the meteorologists themselves became subject to the regulation of the observatory by the government. I hitch this story to various broader conversations in history of science, most especially concerning the role of colonial ‘peripheries’ as sites for the production of original and authoritative knowledge, and about the links between science and colonial power.

The original harbourside observatory in Port Louis, now remembered by a plaque at the Caudan Waterfront complex.

I went to Mauritius wanting to explore more this relationship of responsibility between meteorologist and government, particularly in a colonial context where a British governmental class was superimposed on a largely Francophone economic elite, and a growing population of Indian labourers and smallholders. French and Anglophone meteorologists were split during the 19th century on consequential points of cyclone theory, and I wondered how this played out in multicultural and multilingual Mauritius.

I therefore started at the National Library, which boasts rich holdings of historic newspapers, which I hoped would tell me more about the cultural politics of weather prediction. Sadly though, coverage of the particular periods and events I was interested in (particularly the big cyclones between 1892 and 1902) was a bit scanty, with the newspapers fragile and damaged (perhaps because so many others had been thumbing through them to research these consequential events, or perhaps because the storms themselves had damaged archival holdings..?)

I was therefore incredibly grateful to Jacques Pougnet and Edley Michaud, both of the re-booted Meteorological Society, for helping me fill in some of the gaps with materials they have amassed over the years during their own investigations into the island’s meteorological history.

Historical instruments and observations at Edley Michaud’s Quatre Bornes weather station, which still supplies observations to the Met. Service

Heading to the National Archives, located in a re-purposed factory on an industrial estate outside the capital Port Louis, I was delighted to find a big tranche of correspondence which I hadn’t known to exist. The periods 1850-1880 and 1900-1910 were well covered, allowing me to dig deeper into both the genesis and contested evolution of organised meteorology.


The National Archives, Coromandel

The earlier materials helped me learn more about Henri Bousquet, a mysterious figure who was for a few years around 1850 the official government observer, but who had a difficult relationship with the Met. Society and with the government. His idiosyncratic approach to weather observation won him few friends and even fewer admirers, but after he was turfed out of the observatory he valiantly continued his own researches into cyclonology. In the 1860s he tried to get his work published in Paris but no publishing house would take it on. Exasperated at this latest rejection, he destroyed his manuscripts. This rather tragic personal history has made him hard to trace in the archives, but finding a bunch of his correspondence has helped me to flesh out exactly what the crux of the disagreements were.

The later materials have helped me trace the evolving relationship between the government and the meteorologists at the Royal Alfred Observatory, including Albert Walter. Those relationships of responsibility, trust and accountability are thrown into relief both by newspaper coverage of missed cyclones, and in governmental investigations into the Observatory’s work and whether it was worth the public money.

RAOI hope too to be able to develop some ideas around the history of thinking about climate and health on the island, revisiting some of Charles Meldrum’s work on the topic, and how ideas about climatic change – whose genesis Richard Grove traced so well in Green Imperialism – intersected in the late 19th century with concerns about immigration and health on the island.

Sentinelle - climaterical changeThis might take longer to work up into publishable research, but I hope that my forthcoming Anthropocene module for our Geography undergraduates, which I’ll be writing over the coming months, will provide space to reflect a little on Mauritius as a microcosm of Anthropocene thought and practice. It’s all there – a proto-environmentalism around forest and climate protection, a racialised biopolitics of population, and a sense, around 1880, that it was too late for humans to retreat from their re-working of nature, so human mastery should be embraced instead and island nature carefully designed to sustain a plantation economy (sounds familiar, doesn’t it?). With Donna Haraway recently calling for us to reconsider the Anthropocene as the Plantationocene, Mauritius is an ideal site for thought.

I’m incredibly grateful for all the help I received during my visit, from the wonderful librarians and archivists, my hosts Audrey and Robert, the guy who chased me down the street when I left my bank card in an ATM, and innumerable others. I should say another special thanks again to Jacques Pougnet, Edley Michaud, Renganaden Virasami and Rory Walshe, whose generous advice, help and expertise has helped me enormously in piecing together this history.


A ideal site for thought, in more ways than one…

Climate & Colonialism: new paper in ‘WIREs Climate Change’

A postcard depicting the Royal Alfred Observatory, Mauritius, c. 1920. Source: Pinterest

Georgina Endfield and I have just published a review paper in Wiley Interdisciplinary Reviews: Climate Change on the topic of ‘climate & colonialism’. The paper seeks to take in a large volume of recent(and not-so-recent) research in two broad areas: the links between ideas about climate (such as tropical degeneracy) and ideologies of imperialism; and more recent work on how the practicalities of dealing with strange, troubling and unpredictable climates were woven into the everyday lives of colonial life and rule.


Writing this article was a nice opportunity to take stock of existing work on topics which seem to be increasingly popular among historians, historical geographers and others. Our recent themed issue of History of Meteorology was a response to this upsurge in interest in histories of climate, science and empire as well, but this paper offered the opportunity to review in a bit more depth this expanding body of work. Overall, we make the case that while the links between ideologies of climatic difference and ideologies of imperialism are well-known and (reasonably) well-studied, new work is pointing to the ways in which some of these ideas shaped the practices of dealing with colonial climates in day-to-day life (whether that be the lives of farmers, settlers, the colonised, government administrators or appointed meteorologists). It focuses to a large extent on Anglophone histories, partly due to our own linguistic capacities, but partly also because that’s where the field has been focused so far. This is starting to change though (see here for example, where I’ve tried to gathered together references on the history of met. and climatology from different national contexts), and we tried to cast as wide a net as possible. Hopefully it will prove a useful summary of an expanding field, for both aficionados and newcomers, and perhaps will spur yet more work in this fascinating area.


Recent years have seen a growth in scholarship on the intertwined histories of climate, science, and European imperialism. Scholarship has focused both on how the material realities of climate shaped colonial enterprises, and on how ideas about climate informed imperial ideologies. Historians have shown how European expansion was justified by its protagonists with theories of racial superiority, which were often closely tied to ideas of climatic determinism. Meanwhile, the colonial spaces establi shed by European powers offered novel laboratories” where ideas about acclimatization and climatic improvement could be tested on the ground. While historical scholarship has focused on how powerful ideas of climate informed imperial projects, emerging scholarship in environmental history, history of science, and historical geography focuses instead on the material and cognitive practices by which the climates of colonial spaces were made known and dealt with in fields such as forestry, agriculture, and human health. These heretofore rather disparate areas of historical research carry great contemporary relevance for studies of how climates and their changes have been understood, debated, and adapted to in the past.


Relocating Meteorology: themed issue of History of Meteorology

Front cover-page-001 (1)I’m delighted to announce the publication of a themed issue of the journal History of Meteorology edited by myself and Angelo Matteo Caglioti (EUI), on the topic of ‘Relocating Meteorology’.

The collection developed out of a conference session at the AAG annual meeting in 2015, and brings together a range of established and emerging voices in the field to ask the conjoined questions of how meteorological ideas and practices have travelled in the past, and of how we can re-consider the spatial, social and cultural coordinates of our histories of atmospheric science.

The thinking behind the issue was inspired broadly by recent ideas about the historical and cultural geographies of science (PDF), and by an observation that this ‘spatial turn’ had, with some notable exceptions, yet to fully establish itself within history of meteorology. For understandable reasons, current histories often focus on the achievements of the great theoretical pioneers, and are frequently bounded by the nationalised archives of the countries where support for meteorology has historically been the most generous. Building on these important foundations, we wanted to develop what we detected as a nascent move into other spaces – exploring meteorology at the historical ‘margins’ of the world system, taking renewed account of the many ‘dead ends’ in the development of meteorological knowledge, and broadening the cast of actors, technologies and practices which populate our histories. Our initial call for papers was met with a really enthusiastic response, and we ended up with a bumper crop of papers covering a range of time periods, spaces, and forms of knowledge.

Angelo and I have written a short introductory essay which outlines how we see the papers fitting together, and how they each contribute to the project of ‘relocating meteorology’. From meteorological bodies in 19th century Yellowstone, colonial ideas about the climatic redemption of subtropical drylands and German scientific nationalism, through to the interwar construction of ‘airspace’ and the post-war roll-out of computerised weather prediction, the papers show how the atmospheric sciences have been bound-up with various different projects of world-making.

Although a number of papers deal very directly with meteorology far away from its various metropoles, others situate the challenge of ‘relocating meteorology’ closer to its historical sites of power and progress. The American West, Brussels and the UK Met Office all figure in the collective analysis, albeit in ways which stress that as a historical process, ‘relocating’ meteorology was not always a straightforwardly spatial one. It also involved the negotiation of different forms of expertise and authority, the building of new public relationships and identities, and the careful positioning of putatively international projects within the frameworks of national science and politics which have so dominated the historical geographies of scientific knowledge-making.

Other papers deal with meteorological practices in places conventionally seen as ‘marginal’ or ‘peripheral’ in the history of science, and contribute to a broader project of seeing such places as centres of knowledge production in their own right, with impacts on how knowledge was made back in metropoles such as London, Berlin or Washington.

It was an incredibly rewarding project to a be a part of, and it’s great to see so many of the initial proposals come through as finished papers. Thanks again to all our wonderful contributors, to our reviewers who gave their time and expertise to help it all along, and of course to Jim Fleming who initially offered the space in the journal, and who has supported the project throughout.

The papers can be accessed here, and a PDF of the complete collection is available here.


Global environmental images: history, politics, culture

A blog post about a recent special issue I contributed to on the the history of global environmental image-making…

Geo: Geography and Environment

We are happy to announce the publication of a special issue on global environmental images in the Open Collections of Geo: Geography and Environment. Sebastian Grevsmühl directed the special issue with papers by Birgit Schneider, Sabine Höhler, Hervé Regnauld and Patricia Limido, Martin Mahony, and Sebastian Grevsmühl. As the editorial introduction states, this issue was put together in order to stimulate a “sustained interdisciplinary inquiry into global environmental images, paying close attention to the nature of this new type of global knowledge, the imaginaries mobilised, as well as the politics, power struggles, asymmetries and marginalisation processes which are inevitably involved when talking about the global environment.”

Framed as an interdisciplinary endeavour, it is probably no surprise that authors come from various disciplinary backgrounds, including physical and cultural geography, art history and media studies, history of science and environmental history. Thus, the subjects, periods and…

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New position at UEA

Things have been a bit quiet on here over the last few weeks, and that’s partly because as of 1st August I’ve moved to the School of Environmental Sciences at the University of East Anglia to take up a position as Lecturer in Human Geography. Fortunately, my official title will be ‘British Academy Postdoctoral Fellow and Lecturer in Human Geography’, which denotes that I’ve been able to bring my fellowship award with me, in order to continue the project up to its end point in November 2018.


UEA is where I did my PhD so I know a lot of the folks here really well, and it should be easy to slot back into the rhythm of things. UEA has recently started offering a BA in Geography, so I’ve been hired to help with some of the teaching on that. It’s also a really great place to develop some of my longer-term projects, including returning to some work on the knowledge politics of climate change. But for now it’s largely business as usual with the Imperial Weather project, on which there will be more updates soon…

Malaysia – notes from the archives

s I returned from my trip to Malaysia last week, complete with a suitcase full of print-outs from the archives and a head full of ideas about how the development of meteorology in British Malaya fits into the wider story I want to tell with this project.

reading from from website
The reading room –

Most of my time in Malaysia was spent in the Arkib Negara (national archives), which holds a surprising amount of documentation relating to the establishment and operation of meteorological services in the Malaysian Peninsular. My expectations of what I might find in the archives had been lowered by people who’ve worked on other topics there, and who have often had quite a frustrating time. But with the help of Fiona Williamson, who’s also working on the history of meteorology in the region (see this paper for example), I was able to find my way to a few really useful collections.

As Fiona’s argued, there really wasn’t a whole lot of meteorology done in the region in the 19th and early 20th centuries. In 1929, when the UK Meteorological Office and the Air Ministry were trying to accelerate the roll-out of a meteorological infrastructure to support imperial aviation, Malaya was described by the head of the Indian service as a “non-meteorological country”. It was considered the one ‘weak link’ in the meteorological chain which was to render the skies above the England-Australia air route safe for navigation. C.D. Stewart was therefore dispatched from the Met Office to coordinate a new service which would greatly expand existing observational efforts, while also hastening the circulation of data so that synoptic charts could be developed daily, and forecasts issued to aviators.

Who was meteorology for?

This moment in the late 1920s, with the rise of transcontinental aviation, saw new debates about what – and crucially who – meteorology was for. If expensive meteorological infrastructure was merely required to make the skies above Britain’s territories safe for planes flying overhead, was it really the business of those territorial governments to foot the bill? In East Africa, the roll-out of a regional British met service to facilitate flight on the Cape-Cairo routes was joined by promises of more local benefits, including new knowledge to apply to agriculture in climatically diverse colonies. In Malaya, there was very little talk of agricultural meteorology as a salve to colonial support for what was essentially and imperial project of inter-dominion aviation. That may have been to do with the combination of what was seen as an essentially ‘monotonous’ climate, and the firm establishment by then of agricultural monocultures. Things like rubber were being grown on large estates quite successfully by then, and there wasn’t much sense that meteorology had anything to offer the growers. Others who saw greater variation in the Malayan climate nonetheless saw the weather as essentially unpredictable, and held out little hope for reliable weather forecasts.

Map from Watts 1949
Meteorology as infrastructure. From Watts, The equatorial convergence lines of the Malayan-East Indies area. Malayan Meteorological Service, 1949.

So meteorology developed in British Malaya as essentially a form of ‘infrastructural science‘ – a combination of applied theoretical knowledge and environmental observation, essentially operating invisibly, not for the purpose of producing knowledge for knowledge’s sake, but to support the establishment of a much wider socio-technical infrastructure (international aviation). How to pay for such a science was a frequent sore point, with the states disagreeing over whether contributions to the overall budget should be allotted based on how many observation stations each state had, or according to how many flights landed in each territory. Singapore, for example, had few met stations but lots of landings, whereas the large rural states further north had a growing number of met stations, but weren’t exactly key stops on the emerging trunk air routes. This uncertainty about whether the air above Britain’s territories was a colonial or an imperial matter points to wider debates about the constitutional operation of Britain’s patchwork empire, about the relationship between colonial autonomy and joint imperial effort, and to different assumptions about the place of science in making such spaces governable. In the correspondence at this time, one can read lots of interesting efforts to convince others, including the rulers of the Unfederated Malay States, of how the expectation of ‘modern’, ‘civilised’ states was the production of reliable meteorological information, and the free provision of such information to anyone who might like to use it.

Who did the meteorology?

Unlike some of the other meteorological services I’ve been studying, it was possible in Malaysia to get a bit of insight into the staff who made it all happen, beyond the conventional European at the top. Within the Arkib Negara you can find service records of some of the staff who were recruited locally – their progression up salary scales, their performance in technical exams, and the fines and sanctions they were subject too when their observations weren’t deemed up to scratch. Often these were men who would spend some time at HQ in Singapore helping to compile, tabulate and compute the numbers, but for most of the time they were out in the countryside, running isolated meteorological stations in far flung corners of the territories. Tensions frequently arose around their working conditions – their accommodation, the long hours, access to schools for their children, their subjection to a disciplinary regime which was often seen as unsympathetic to the difficult conditions in which meteorological work was done. Being able to unearth some of this stuff has been really enlightening, as it enables me to say something about the everyday lived realities of meteorology in colonial settings – to go beyond the writings of the directors and the managers and the ideals of smoothly running systems of weather observation and computation, to get to the voices of the people putting in the hard, repetitive, often maddeningly dull work of making colonial skies legible and predictable.

Pilot balloon - annual report 1949
From the Annual Report of the Malayan Meteorological Service, 1949.

Meteorology at war

One of the threads I’m keen to follow through the Malayan story is the relationship between meteorology and the military. Of course the rise of civil aviation coincided with the further development of military flying, and the Malayan meteorological service always had a close relationship with the Royal Air Force. During the occupation of British Malaya by Japan in World War II, it seems that the observational infrastructure was kept ticking, even if most of the records from this period were apparently destroyed. Many of the observation staff worked 7-day weeks throughout the occupation, leading to some serious health problems and a backlog of leave allowances after the war which drastically undermined the ability of the service to meet all its obligations. The ambition to run a 24-hour forecast service had to be abandoned, as worn-out staff took long stretches of leave – often in India – to recuperate.

MMS Annual Report, 1949

Forecasting activities at Kuala Lumpur aerodrome were particularly hard hit by the staff shortages, but the office there was seemingly still able to prepare a daily stream-line analysis for the RAF to inform its bombing campaigns against the communist insurgents as the Emergency took hold. Confident claims were made about how meteorology would facilitate efficient air strikes against the rebels in forested hills, although it seems I may have to do some more digging in UK-based archives to get at the details.

So there are lots of things to process and ideas to develop over the coming weeks and months, and a few follow-up visits to more local archives to be made in order to finesse a few points.

I should say thanks to all the staff at the Arkib Negara, who dealt incredibly patiently with my requests, and tolerated my dodgy Malay with great generosity!

Hong Kong workshop: Weather Science, Extreme Weather and Disaster Histories

DSC08590Last week I was delighted to join a workshop at the Hong Kong Maritime Museum on the history of weather science and weather extremes in the region. The workshop brought together historians of science with atmospheric scientists interested in using historical observations to reconstruct past weather and climate. It was a great day of cross-disciplinary exchange and learning, and I was able to make some really useful connections with people working on similar times and places as me.

Discussions ranged from the way 19th century sailors dealt with typhoons, through the imperial networks of weather observation that sprung up around the China coast, to the use of historical weather data from the region in challenging climate models to ‘hindcast’ known weather events. Interestingly, the skill of models to spontaneously generate known weather events – like typhoons for example – is such that they can now venture to be used to predict events which might not be known in the historical record, allowing historians to then go and search for what might be forgotten extreme events.

Following the workshop, I’d been generously invited to give a public keynote on my ‘imperial weather’ project, so I took the opportunity to give another airing to some of my airship material, which connected with a lot of the recurring themes of the workshop: empire, extreme weather, the history of prediction, and, of course, disasters.Mahony HKMM (2)

The following day I ambled over to the Hong Kong Public Record Office, which holds archival records from Hong Kong Observatory and various other institutions, stretching back into the early days of the colonial era. The Hong Kong Observatory is probably the most well-documented of all the British colonial observatories, and it was keep overwhelming to encounter the wealth of material available. That means, of course, that there is a uniquely large secondary literature on the history of meteorology in Hong Kong, which is also motivated of course by the significance of typhoons for life and fortunes in the region. For some examples, see here and here.

I tried to follow a few significant threads into the archives, including the move of T.F. Claxton from Mauritius to Hong Kong, and the spatial politics of the observatory itself – the defence of the site against various encroachments, and its functioning as a mini scientific world set apart from the growing city; a space not just for meteorology and astronomy, but for natural history and botany too. I also took the chance to take a look at some of the observations which were made by meteorologists interred in Japanese prison camps during the WWII occupation. Many of these were made on whatever scraps of paper were available – cigarette packets, match boxes, animal cracker cards, some of them with remarkable levels of precision, even extending to the plotting of monthly averages on tiny graphs. One example of the observations can be seen here.



journal-coverI was delighted to hear this week that my article ‘For an empire of all types of climate’: meteorology as an imperial science was placed in the ‘highly commended’ category for this year’s Journal of Historical Geography essay prize, along with Dean Bond’s  Enlightenment geography in the study: A.F. Büsching, J.D. Michaelis and the place of geographical knowledge in the Royal Danish Expedition to Arabia, 1761–1767.

The (very deserving) winners of the overall prize were Briony McDonagh and Carl Griffin for their piece Occupy! Historical geographies of property, protest and the commons, 1500–1850.

So, thanks JHG! It’s a real honour to be in such great company.  This is probably an appropriate time to re-state the article’s acknowledgements as well:

Thanks to the staff at the National Meteorological Library and Archive in Exeter and to the librarians at the University of Oxford for all their invaluable assistance. Thanks also to Mike Hulme, Helen Pallett and seminar participants at King’s College London and the University of Nottingham for helpful comments on earlier versions of this paper, and to Joan Kenworthy for her insight into the East African archives. The support of an RGS-IBG Small Research Grant and of the Department of Geography, King’s College London is gratefully acknowledged. The article has greatly benefitted from the comments of Miles Ogborn, the editor, and of the three anonymous reviewers.

Forthcoming speaking engagements in SE Asia

Hong Kong Maritime Museum. Source:

In a few weeks’ time I’ll be heading over to Malaysia to spend some time in the archives there, as well as to visit the University of Nottingham’s campus (UNMC) just outside Kuala Lumpur.

I’ve got a few speaking engagements lined up during my trip, which will give me the opportunity to present some of my work on airships and imperial meteorology, as well as to offer some reflections on recent debates around the concept of the Anthropocene:

1 March: Public talk at the Hong Kong Maritime Museum, An Empire of the Skies: Airship Science and the Imperial Discovery of the AtmosphereThis will follow a workshop with a group of historians of science working on meteorology in the region in the 19th and 20th centuries.

10 March: Seminar at the Asia Research Institute, National University of Singapore, “The World, the Air and the Future”: Airship Science and the Imperial Discovery of the Atmosphere

15 March: Public talk as part of the UNMC ‘Mindset’ series, Is this the ‘Age of Humans’? Science, politics and culture in the Anthropocene – details to follow


Thinking with airships

Recently I’ve been doing a lot of thinking about the airship as a speculative technology, particularly its history as an imagined agent of imperial connectivity in interwar Britain. More broadly I’m interested in how meteorology was used in this period to make the atmosphere legible and traversable, and a lot of the motivation for the development of wider meteorological infrastructures was the promised expansion of aviation following the technological advances of World War I.

The airship, however, makes different meteorological demands than the heavier-than-air aeroplane. Airships work through the dynamic relationships between the gases enveloped within the ship and the atmosphere outside the envelope, and its characteristics of temperature, humidity, pressure, wind and so on. While aeroplanes use speed and aerodynamic design to produce lift, airships create lift through a set of more subtle relationships, which must be constantly monitored and tinkered with to ensure smooth flight. Changes in one relationship – relative temperature for example – imply and require compensatory changes in others – such as relative pressure. Although airshipping is predicated on sealing gases within, it also requires the constant venting and valving of gas, to maintain a dynamic equilibrium between enveloped and enveloping atmr101-flying-over-london_frompmt-1osphere.

Airships are examples of what Derek McCormack calls ‘aerostatic things’ – things which generate lift through these relational dynamics, the most obvious example being the humble balloon. McCormack’s done a lot of important work on the affective aspects of balloon flight, and on the relationships between affective and meteorological ‘atmospheres’. The reliance of balloons of these relational dynamics, and their capacity to be affected by changing conditions of their atmospheric surroundings, mean they have become a central tool in making atmospheric dynamics visible, as McCormack has pointed out (see his recent piece in Society & Space). But if balloons have made the atmosphere visible for meteorologists, what I’m interested in is how meteorologists likewise made the atmosphere visible for balloons or, more specifically, for airships, and their captains and navigators.
In the early 1920s the British Government resolved to develop an experimental imperial airship scheme, whereby two ships would be built to ply new routes between Britain, India and the Dominions. While the ships were being built, work was also carried out to develop a new meteorological infrastructure which would cross-cross the empire, making possible both the planning of routes, and the short-term prediction of weather conditions for a particular journey. In 1925, the meteorological division at the Royal Airship Works at Cardington in Bedfordshire produced the first synoptic chart showing the simultaneous weather conditions along the entire England-India route; a significant moment in British imperial meteorology:

Source: National Archives, Kew, MPI 1/410/6

Alongside these synoptic efforts sat a new set of practices of studying the atmosphere on a new, finer scale. The vertical structure of the atmosphere had been a growing object of meteorological concern since the late 19th century. But the particular characteristics of airships – their capacity to affected by the wind, to be destabilised by the subtlest changes in atmospheric conditions – meant that the atmosphere as a medium demanded new strategies of knowledge-making. The gustiness of wind was measured on new, finer timescales; the effects of relatively minor changes in topography on the structure of the overlying air were newly appraised.

The airship is therr101-shatted-gloryefore a propitious figure through which to think about the relationships between the gaseous materiality of the air and human action, and to examine how historical actors have sought to make these relationships visible, legible, predictable, and subject to what we might now call ‘risk management’. The relationship between airship and atmosphere became a site of epistemic controversy during the development of the imperial scheme, with a number of critics claiming the impossibility of stable flight, and challenging the widely propagandised claims of luxurious long-distance travel, and of ‘fox-trotting in the clouds’. When the flagship R101 crashed into a hillside in northern France on its maiden voyage to India, amid strong winds and driving rain, much of the subsequent inquests focused on the ship’s dynamic stability, on weather forecasts which underestimated the storm, and on the responsibility for the decision to fly in spite of forecasts which nonetheless suggested a difficult journey. The moral economy of the decision to dive into this violent atmospheric milieu that night in October 1930 was unpicked and debated in settings from the popular press, an official Court of Inquiry, and a series of extraordinary séances with deceased crew members. In the end, responsibility was not laid upon any individual but was, interestingly, given to what was described as an distinctive atmosphere of urgency, expectation and impatience which existed in-between the different groups of actors involved.

The airship, particularly the imperial airships of the 1920s and ‘30s, therefore provide an ideal figure through which to think through the intersections of material and affective atmospheres. But they also provide an opportunity to write the meteorologist into emerging literatures on the cultural and elemental geographies of air and atmosphere, and perhaps to re-consider the permeability of the boundary between matter and affect in the moral economy of weather knowledges and prediction.

I explored some of these ideas in a recent paper at the RGS-IBG annual conference and a subsequent seminar with the London Group of Historical Geographers. I plan to write it up into a full paper at some point next year, after a few more archival forays, particularly regarding the séances which, I suspect, may hold the key to understanding much of the story of this intersection of technology, atmosphere and risk. I’ll be penning a few more blog posts along the way, as my thinking develops.

A 1924 cutaway plan of R101’s interior. Source: Airship Heritage Trust.