Colin Raymond
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I am currently a postdoctoral scientist at NASA Jet Propulsion Laboratory. My research centers on better understanding how weather systems interact with geographical features to produce climate extremes (especially heat and precipitation) at local and regional scales. Sequences and combinations of variables which result in 'compounded' or 'correlated' societal risks figure prominently in my work. My projects tend to employ a variety of approaches, ranging from analysis of observational data to validation of global climate models and custom runs of regional climate models. My interests also include producing and communicating climate information such that it is maximally useful for decision-making, through contributions to impacts assessments, policies, and educational and outreach activities.
Current CV JPL profile page Twitter: @regclimo Recent media coverage: Live Science, Wall Street Journal, Yale Climate Connections |
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Projects As Lead Author
-Analysis of elevation dependence of heat stress and its implications for future heat risks across the U.S. (with Duane Waliser, Bin Guan, Huikyo Lee, Paul Loikith, Elias Massoud, Agniv Sengupta, Deepti Singh, and Adrienne Wootten). In review.
-Demonstration of increasing spatiotemporal proximity of heat- and precipitation-related extreme events (with Laura Suarez-Gutierrez, Kai Kornhuber, Duane Waliser, Jana Sillmann, and Madeleine Pascolini-Campbell). In preparation.
-Global overview of extreme humid heat patterns and mechanisms (with Erich Fischer, Stephan Fueglistaler, Radley Horton, Casey Ivanovich, Tom Matthews, Laura Suarez-Gutierrez, and Yi Zhang). Accepted.
-Perspective article focusing on the interlocking physical and societal challenges related to understanding and mitigating the impacts of complex extreme events. Published as
Raymond, C., Horton, R. M., Zscheischler, J., Martius, O., AghaKouchak, A., Balch, J., Bowen, S. G., Camargo, S. J., Hess, J., Kornhuber, K., Oppenheimer, M., Ruane, A. C., Wahl, T., and White, K. (2020). Understanding and managing connected extreme events. Nat. Clim. Change. https://doi.org/10.1038/s41558-020-0790-4.
-Assessment of the highest global heat-humidity combinations in the observational record, in which we found that existing projections of global maxima need significant upward revision (with Tom Matthews and Radley Horton). Published as
Raymond, C., Matthews, T. K., and Horton, R. M. (2020). The emergence of heat and humidity too severe for human tolerance. Sci. Adv., 6 (19). https://doi.org/10.1126/sciadv.aaw1838.
-Quantification of the moderation of extreme heat along the eastern-US coastline, and of the effect of model biases relating to this moderation on projections of future extreme heat. Published as
Raymond, C., and Mankin, J. S. (2019). Assessing present and future coastal moderation of extreme heat in the Eastern United States. Environ. Res. Lett. https://doi.org/10.1088/1748-9326/ab495d.
-Review of the meteorology and impacts of extreme heat for an impacts- and policy-oriented audience. Published as
Raymond, C., Coumou, D., Foreman, T., King, A., Kornhuber, K., Lesk, C., Mora, C., Perkins-Kirkpatrick, S., Russo, S., and Vijverberg, S. (2019). Projections and hazards of future extreme heat. In The Oxford Handbook of Planning for Climate Change Hazards [W. T. Pfeffer, J. B. Smith, and K. L. Ebi, Eds.]. Oxford Univ. Press. https://doi.org/10.1093/oxfordhb/9780190455811.013.59.
-Analysis of patterns and mechanisms contributing to extremes of wet-bulb temperature in different regions of the United States. Published as
Raymond, C., Singh, D., and Horton, R. M. (2017). Spatiotemporal patterns and synoptics of extreme wet-bulb temperature in the contiguous United States. J. Geophys. Res. Atmos., 122. https://doi.org/10.1002/2017jd027140
-Demonstration of increasing spatiotemporal proximity of heat- and precipitation-related extreme events (with Laura Suarez-Gutierrez, Kai Kornhuber, Duane Waliser, Jana Sillmann, and Madeleine Pascolini-Campbell). In preparation.
-Global overview of extreme humid heat patterns and mechanisms (with Erich Fischer, Stephan Fueglistaler, Radley Horton, Casey Ivanovich, Tom Matthews, Laura Suarez-Gutierrez, and Yi Zhang). Accepted.
-Perspective article focusing on the interlocking physical and societal challenges related to understanding and mitigating the impacts of complex extreme events. Published as
Raymond, C., Horton, R. M., Zscheischler, J., Martius, O., AghaKouchak, A., Balch, J., Bowen, S. G., Camargo, S. J., Hess, J., Kornhuber, K., Oppenheimer, M., Ruane, A. C., Wahl, T., and White, K. (2020). Understanding and managing connected extreme events. Nat. Clim. Change. https://doi.org/10.1038/s41558-020-0790-4.
-Assessment of the highest global heat-humidity combinations in the observational record, in which we found that existing projections of global maxima need significant upward revision (with Tom Matthews and Radley Horton). Published as
Raymond, C., Matthews, T. K., and Horton, R. M. (2020). The emergence of heat and humidity too severe for human tolerance. Sci. Adv., 6 (19). https://doi.org/10.1126/sciadv.aaw1838.
-Quantification of the moderation of extreme heat along the eastern-US coastline, and of the effect of model biases relating to this moderation on projections of future extreme heat. Published as
Raymond, C., and Mankin, J. S. (2019). Assessing present and future coastal moderation of extreme heat in the Eastern United States. Environ. Res. Lett. https://doi.org/10.1088/1748-9326/ab495d.
-Review of the meteorology and impacts of extreme heat for an impacts- and policy-oriented audience. Published as
Raymond, C., Coumou, D., Foreman, T., King, A., Kornhuber, K., Lesk, C., Mora, C., Perkins-Kirkpatrick, S., Russo, S., and Vijverberg, S. (2019). Projections and hazards of future extreme heat. In The Oxford Handbook of Planning for Climate Change Hazards [W. T. Pfeffer, J. B. Smith, and K. L. Ebi, Eds.]. Oxford Univ. Press. https://doi.org/10.1093/oxfordhb/9780190455811.013.59.
-Analysis of patterns and mechanisms contributing to extremes of wet-bulb temperature in different regions of the United States. Published as
Raymond, C., Singh, D., and Horton, R. M. (2017). Spatiotemporal patterns and synoptics of extreme wet-bulb temperature in the contiguous United States. J. Geophys. Res. Atmos., 122. https://doi.org/10.1002/2017jd027140
Projects as Contributing Author
-Description of the effects of the MJO and related oscillations on extreme humid heat in South and Southwest Asia (with Catherine Ivanovich, Weston Anderson, Radley Horton, and Adam Sobel). Submitted.
-Perspective article on the importance of humidity in understanding the flow of energy through the climate system (with Tom Matthews, Michael Byrne, Radley Horton, Conor Murphy, Roger Pielke Sr., Peter Thorne, and Robert Wilby). Submitted.
-Analysis of interannual variations in population exposure to humid heat relative to dry heat. Published as
Rogers, C. D. W., Ting, M., Li, C., Kornhuber, K., Coffel, E. D., Horton, R. M., Raymond, C., and Singh, D. (2021). Recent increases in exposure to extreme humid-heat events disproportionately affect populated regions. Geophysical Research Letters. https://doi.org/10.1029/2021gl094183.
-Decomposition of US heat-stress projections according to population exposure and regional vulnerabilities. Published as
Mukherjee, S., Mishra, A. K., Mann, M. E., and Raymond, C. (2021). Anthropogenic warming and population growth may double US heat stress by the late 21st century. Earth's Future. https://doi.org/10.1029/2020ef001886.
-Study of moose habitat selection in the Northeast U.S. as a function of temperature, and implications for future population size and spatial distribution. Published as
Teitelbaum, C. S., Sirén, A. P. K., Coffel, E., Foster, J., Frair, J. L., Hinton, J. W., Horton, R. M., Kramer, D. W., Lesk, C., Raymond, C., Wattles, D. W., Zeller, K. A., and Morelli, T. L. (2021). Habitat use as indicator of adaptive capacity to climate change. Diversity and Distributions. https://doi.org/10.1111/ddi.13223.
-Climatology and projection analysis of atmospheric rivers in the greater Middle East region. Published as
Massoud, E., Massoud, T., Guan, B., Sengupta, A., Espinoza, V., De Luna, M., Raymond, C., and Waliser, D. (2020). Atmospheric rivers and precipitation in the Middle East and North Africa. Water. https://doi.org/10.3390/w12102863.
-Review of concepts and methodologies for studying compound extreme events in the climate system. Published as
Zscheischler, J., Martius, O., Westra, S., Bevacqua, E., Raymond, C., Horton, R. M., van den Hurk, B., AghaKouchak, A., Jézéquel, A., Mahecha, M. D., Maraun, D., Ramos, A. M., Ridder, N., Thiery, W., and Vignotto, E. (2020). A typology of compound weather and climate events. Nat. Rev. Earth Environ. https://doi.org/10.1038/s43017-020-0060-z.
-Review of the meteorology and impacts of extreme heat (with Radley Horton, Justin Mankin, Corey Lesk, and Ethan Coffel). Published as
Horton, R. M., Mankin, J. S., Lesk, C., Coffel, E., and Raymond, C. (2016). A review of recent advances in research on extreme heat events. Curr. Clim. Change Rep., 2, 242-259. https://doi.org/10.1007/s40641-016-0042-x
-Perspective article on the importance of humidity in understanding the flow of energy through the climate system (with Tom Matthews, Michael Byrne, Radley Horton, Conor Murphy, Roger Pielke Sr., Peter Thorne, and Robert Wilby). Submitted.
-Analysis of interannual variations in population exposure to humid heat relative to dry heat. Published as
Rogers, C. D. W., Ting, M., Li, C., Kornhuber, K., Coffel, E. D., Horton, R. M., Raymond, C., and Singh, D. (2021). Recent increases in exposure to extreme humid-heat events disproportionately affect populated regions. Geophysical Research Letters. https://doi.org/10.1029/2021gl094183.
-Decomposition of US heat-stress projections according to population exposure and regional vulnerabilities. Published as
Mukherjee, S., Mishra, A. K., Mann, M. E., and Raymond, C. (2021). Anthropogenic warming and population growth may double US heat stress by the late 21st century. Earth's Future. https://doi.org/10.1029/2020ef001886.
-Study of moose habitat selection in the Northeast U.S. as a function of temperature, and implications for future population size and spatial distribution. Published as
Teitelbaum, C. S., Sirén, A. P. K., Coffel, E., Foster, J., Frair, J. L., Hinton, J. W., Horton, R. M., Kramer, D. W., Lesk, C., Raymond, C., Wattles, D. W., Zeller, K. A., and Morelli, T. L. (2021). Habitat use as indicator of adaptive capacity to climate change. Diversity and Distributions. https://doi.org/10.1111/ddi.13223.
-Climatology and projection analysis of atmospheric rivers in the greater Middle East region. Published as
Massoud, E., Massoud, T., Guan, B., Sengupta, A., Espinoza, V., De Luna, M., Raymond, C., and Waliser, D. (2020). Atmospheric rivers and precipitation in the Middle East and North Africa. Water. https://doi.org/10.3390/w12102863.
-Review of concepts and methodologies for studying compound extreme events in the climate system. Published as
Zscheischler, J., Martius, O., Westra, S., Bevacqua, E., Raymond, C., Horton, R. M., van den Hurk, B., AghaKouchak, A., Jézéquel, A., Mahecha, M. D., Maraun, D., Ramos, A. M., Ridder, N., Thiery, W., and Vignotto, E. (2020). A typology of compound weather and climate events. Nat. Rev. Earth Environ. https://doi.org/10.1038/s43017-020-0060-z.
-Review of the meteorology and impacts of extreme heat (with Radley Horton, Justin Mankin, Corey Lesk, and Ethan Coffel). Published as
Horton, R. M., Mankin, J. S., Lesk, C., Coffel, E., and Raymond, C. (2016). A review of recent advances in research on extreme heat events. Curr. Clim. Change Rep., 2, 242-259. https://doi.org/10.1007/s40641-016-0042-x
Interdisciplinary Activities
-Co-lead of the Risk KAN Compound Events working group (~250 members); have been organizing regular webinars and other networking activities since April 2020.
-Primary organizer of the "Workshop on Correlated Extremes", a ~175-person event held at Columbia University in May 2019. Our goal was to weave together multiple physical- and social-science perspectives on correlated climate extremes -- an emerging topic spanning meteorology, climatology, natural hazards, and policy/finance -- and to help build research networks and shape research directions in this area. More information is available at our website. Recordings of all talks are available on Youtube.
-Other conference organization and chairing:
"Climate change as a systemic risk" session at EGU 2022
Workshop on Compound Weather and Climate Events, January 2021
"Correlated/compounding climate extremes" sessions at AGU 2021, 2020, and 2019
"Extreme heat events: processes, impacts, and adaptation" session at EGU 2019
-Primary organizer of the "Workshop on Correlated Extremes", a ~175-person event held at Columbia University in May 2019. Our goal was to weave together multiple physical- and social-science perspectives on correlated climate extremes -- an emerging topic spanning meteorology, climatology, natural hazards, and policy/finance -- and to help build research networks and shape research directions in this area. More information is available at our website. Recordings of all talks are available on Youtube.
-Other conference organization and chairing:
"Climate change as a systemic risk" session at EGU 2022
Workshop on Compound Weather and Climate Events, January 2021
"Correlated/compounding climate extremes" sessions at AGU 2021, 2020, and 2019
"Extreme heat events: processes, impacts, and adaptation" session at EGU 2019