@ziming.bsky.social
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ziming.bsky.social
This is interesting because smoke should not contribute to surface heating. Black carbon warms up the atmosphere but not the SST. Something beyond my understanding is going on.
ziming.bsky.social
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us.meteored.com
🌩️🔥 Wildfires that create their own thunderstorms? Scientists just made a major breakthrough in modeling them.

Mike Carmon reveals what new science is teaching us 📑
A Major Breakthrough in Modeling of Wildfire-Induced Thunderstorms
Pyrocumulonimbus clouds are a major factor, unaccounted for in models, driving climate change.
www.theweather.com
ziming.bsky.social
this kind of fire eruptions are no longer a disturbance but a new climatology. GCMs must take these aerosols and chemistry into consideration
ziming.bsky.social
we did new parameterizations in the model to represent this kind of convections. It is so amazing that this kind of convections (pyroCbs) has comparable horizontal and vertical scale. The implementations are to balance the local pyroCb formation and global representation of its dispersion.
ziming.bsky.social
This study using observational data has shown the contribution of wildfire smokes to the stratospheric composition. Our study is the first step to quantify its impact on climate. We need to treat wildfire pyroCbs as moderate volcanic eruptions. (www.science.org/doi/10.1126/...).
Pyrocumulonimbus affect average stratospheric aerosol composition
The fingerprint of pyrocumulonimbus clouds can be seen in lower stratospheric aerosols.
www.science.org
ziming.bsky.social
🔥 We just simulated wildfire-induced thunderstorms (pyroCbs) in a global Earth system model for the first time! doi.org/10.1029/2024...
#wildfires #pyroCb #ClimateAction #ClimateWeekNYC