Colin Raymond
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I am currently an Assistant Research Scientist at the University of California, Los Angeles, with a secondary affiliation at the NASA Jet Propulsion Laboratory. My research centers on better understanding how weather systems interact with geographical features to produce climate extremes (especially heat, humidity, and precipitation) at local and regional scales. Sequences and combinations of variables which result in 'compounded' or 'correlated' societal risks figure prominently. My projects draw from a variety of observational and model-based data sources. My interests also include producing and communicating climate information such that it is most useful for decision-making, through contributions to impacts assessments, stakeholder conversations, and educational and outreach activities.
Current CV Twitter/X: @regclimo Recent media coverage: The Guardian, AFP, E&E News, PBS Terra, NASA Climate, Süddeutsche Zeitung, Grist, Bloomberg |
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Peer-Reviewed Publications [as Lead Author]
18. Raymond, C., Waliser, D. E., Guan, B., Lee, H., Loikith, P., Massoud, E., Sengupta, A., Singh, D., and Wootten, A. (2022). Regional and elevational patterns of extreme heat stress change in the US. Environ. Res. Lett. https://doi.org/10.1088/1748-9326/ac7343.
-News coverage from JPL
17. 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]
16. 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]
15. 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.
-News coverage from Columbia University, CBS News
14. 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.
-News coverage from Science, Scientific American, AAAS, Bloomberg, Climate Central, CNN, Columbia Magazine, Columbia University, NBC News, New Scientist, Newsweek, NOAA, Quartz, The Economist, The Guardian, The National (UAE), Washington Post, Weather.com, Wunderground
-Also see our article in The Conversation
13. 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.
12. 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
-News coverage from JPL
17. 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]
16. 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]
15. 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.
-News coverage from Columbia University, CBS News
14. 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.
-News coverage from Science, Scientific American, AAAS, Bloomberg, Climate Central, CNN, Columbia Magazine, Columbia University, NBC News, New Scientist, Newsweek, NOAA, Quartz, The Economist, The Guardian, The National (UAE), Washington Post, Weather.com, Wunderground
-Also see our article in The Conversation
13. 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.
12. 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
Peer-Reviewed Publications [as Contributing Author]
11. You, J., Wang, S., Zhang, B., Raymond, C., and Matthews, T. (2023). Growing threats from swings between hot and wet extremes in a warmer world. Geophys. Res. Lett. https://doi.org/10.1029/2023gl104075.
10. Shreevastava, A., Raymond, C., and Hulley, G. (2023). “Contrasting intra-urban signatures of humid and dry heatwaves over Southern California.” J. Appl. Meteorol. Climatol. https://doi.org/10.1175/jamc-d-22-0149.1.
9. 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.
8. 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]
7. 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]
6. 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.
-News coverage from Washington State University
5. 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.
-News coverage from AGU
4. 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.
3. 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.
2. 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.
-News coverage from University of Bern [in German]
1. 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
10. Shreevastava, A., Raymond, C., and Hulley, G. (2023). “Contrasting intra-urban signatures of humid and dry heatwaves over Southern California.” J. Appl. Meteorol. Climatol. https://doi.org/10.1175/jamc-d-22-0149.1.
9. 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.
8. 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]
7. 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]
6. 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.
-News coverage from Washington State University
5. 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.
-News coverage from AGU
4. 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.
3. 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.
2. 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.
-News coverage from University of Bern [in German]
1. 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 Training School on Compound Events 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 Fall Meetings, 2019-22
"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 Training School on Compound Events 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 Fall Meetings, 2019-22
"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)