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  • A21G: Megafire and Pyrocumulonimbus in the Earth System Poster
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Primary Convener:
David Peterson, US Naval Research Laboratory

Convener:
Neil Lareau, University of Nevada, Reno
Olga Kalashnikova, NASA Jet Propulsion Laboratory, California Institute of Technology
Michael Fromm, Naval Research Laboratory

Chair:
David Peterson, Marine Meteorology Division, Naval Research Laboratory
Olga Kalashnikova, NASA Jet Propulsion Laboratory, California Institute of Technology
Neil Lareau, University of Nevada, Reno

Observations reveal an emergent trend toward greater extremes in wildfire behavior, including large “megafires” linked to pyrocumulonimbus (pyroCb) firestorms and hemispheric smoke plumes. PyroCb initiation is often linked to strong inflow winds, downdrafts, hail, lightning, and fire-generated tornadic vortices. PyroCbs also inject smoke over a wide range of altitudes that can encircle the globe, alter stratospheric circulations, and affect radiative balance. There is an urgent need to better understand and predict global, regional, and fire-scale impacts from pyroCb activity. We solicit presentations on the full spectrum of science related to pyroconvective activity, ranging from precursor pyrocumulus (pyroCu) to large pyroCbs that reach the stratosphere. Contributions may include observations or modeling of fire-scale processes related to extreme wildfires and pyroconvection, the ensuing atmospheric impact, including interaction with volcanic plumes, and related impacts on communities and downstream weather. Submissions related to the INjected Smoke and PYRocumulonimbus Experiment (INSPYRE) are highly encouraged.

Index Terms
3311 Clouds and aerosols
3314 Convective processes
3360 Remote sensing
4313 Extreme events

Suggested Itineraries:
Disasters‚ Calamities and Extreme Events

Cross-Listed:
NH - Natural Hazards

Co-Sponsored Sessions:
AMS: American Meteorological Society
EGU: European Geosciences Union
AOGS: Asia Oceania Geosciences Society

Neighborhoods:
3. Earth Covering

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