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: JPL, NASA Climate, Eos, Live Science, Wall Street Journal, Yale Climate Connections |
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Projects As Lead Author
-Exploration of increasing compounding risks related to heat- and precipitation-related extreme events:
Raymond, C., Suarez-Gutierrez, L., Kornhuber, K., Pascolini-Campbell, M., Sillmann, J., and Waliser, D. E. (2022). Increasing spatiotemporal proximity of heat and precipitation extremes in a warming world quantified by a large model ensemble. Environ. Res. Lett. https://doi.org/10.1088/1748-9326/ac5712. [Twitter thread]
-Global overview of extreme humid heat patterns and mechanisms:
Raymond, C., Matthews, T. K., Horton, R. M., Fischer, E. M., Fueglistaler, S., Ivanovich, C., Suarez-Gutierrez, L., and Zhang, Y. (2021). On the controlling factors for globally extreme humid heat. Geophys. Res. Lett. https://doi.org/10.1029/2021gl096082. [Twitter thread]
-Perspective article focusing on the interlocking physical and societal challenges related to understanding and mitigating the impacts of complex extreme events:
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:
Raymond, C., Matthews, T. K., and Horton, R. M. (2020). The emergence of heat and humidity too severe for human tolerance. Sci. Adv. 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:
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:
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 U.S.:
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. https://doi.org/10.1002/2017jd027140
Raymond, C., Suarez-Gutierrez, L., Kornhuber, K., Pascolini-Campbell, M., Sillmann, J., and Waliser, D. E. (2022). Increasing spatiotemporal proximity of heat and precipitation extremes in a warming world quantified by a large model ensemble. Environ. Res. Lett. https://doi.org/10.1088/1748-9326/ac5712. [Twitter thread]
-Global overview of extreme humid heat patterns and mechanisms:
Raymond, C., Matthews, T. K., Horton, R. M., Fischer, E. M., Fueglistaler, S., Ivanovich, C., Suarez-Gutierrez, L., and Zhang, Y. (2021). On the controlling factors for globally extreme humid heat. Geophys. Res. Lett. https://doi.org/10.1029/2021gl096082. [Twitter thread]
-Perspective article focusing on the interlocking physical and societal challenges related to understanding and mitigating the impacts of complex extreme events:
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:
Raymond, C., Matthews, T. K., and Horton, R. M. (2020). The emergence of heat and humidity too severe for human tolerance. Sci. Adv. 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:
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:
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 U.S.:
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. https://doi.org/10.1002/2017jd027140
Projects as Contributing Author
Ivanovich, C., Anderson, W. B., Horton, R. M., Raymond, C., and Sobel, A. H. (2022). The influence of intraseasonal oscillations on humid heat in the Persian Gulf and South Asia. J. Clim. https://doi.org/10.1175/jcli-d-21-0488.1.
Matthews, T. K., Byrne, M., Horton, R. M., Murphy, C., Pielke Sr., R. A., Raymond, C., Thorne, P., and Wilby, R. (2022). Latent heat must be visible in climate communications. WIREs Clim. Change. https://doi.org/10.1002/wcc.779. [Twitter thread]
Speizer, S., Raymond, C., Ivanovich, C., and Horton, R. M. (2022). Concentrated and intensifying humid heat extremes in the IPCC AR6 regions. Geophys. Res. Lett. https://doi.org/10.1029/2021gl097261. [Twitter thread]
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. Geophys. Res. Lett. https://doi.org/10.1029/2021gl094183.
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.
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.
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.
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.
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
Matthews, T. K., Byrne, M., Horton, R. M., Murphy, C., Pielke Sr., R. A., Raymond, C., Thorne, P., and Wilby, R. (2022). Latent heat must be visible in climate communications. WIREs Clim. Change. https://doi.org/10.1002/wcc.779. [Twitter thread]
Speizer, S., Raymond, C., Ivanovich, C., and Horton, R. M. (2022). Concentrated and intensifying humid heat extremes in the IPCC AR6 regions. Geophys. Res. Lett. https://doi.org/10.1029/2021gl097261. [Twitter thread]
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. Geophys. Res. Lett. https://doi.org/10.1029/2021gl094183.
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.
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.
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.
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.
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
Professional Service and 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:
Como Compound Extremes Summer School 2022
"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:
Como Compound Extremes Summer School 2022
"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
Outreach
NCAR Climate Data Guide Board of Advisors (since 2020)
Caltech Hybrid Summer Research Connection mentor (since 2022)
Catholic Charities of New York English as a Second Language instructor (2015-2017)
Caltech Hybrid Summer Research Connection mentor (since 2022)
Catholic Charities of New York English as a Second Language instructor (2015-2017)