Ehsan Erfani, PhD
@ehsansci.bsky.social
Assistant Professor @DRIScience 🏜️ Atmospheric Science, Cloud Physics & Modeling 🌦️💻 former: @UW GMU_COS 🏙️ Ph.D. @UNevadaReno 🎓 RT≠endorsement
📢Our new paper: “Isolating the contribution of local and non-local shortwave flux biases towards climatological sea surface temperature and precipitation biases within a coupled climate model” 🔗Link in comments 👇 #DRIscience #radiation #remotesensing #ocean #atmosphere
New blog post is up! Read about @ehsansci.bsky.social community project and why marine clouds are so important for our climate and how to study them in more detail! #scicomm
Ehsan Erfani, PhD@ehsansci.bsky.social · 8mo agoNew EGU Atmosphere blog post about our work is out! 📘 A library of Lagrangian trajectories is developed to study marine stratocumulus clouds & aerosol–cloud interactions under realistic conditions. ☁️ Thanks to @egu-as.bsky.social editorial team for the great support! 🙌 🔗 blogs.egu.eu/divisions/as...
Another blog post is online, slowly I settle into my chief editor role! ✍️ it is always great reading about new research and working with the authors to make it approachable for more scientists! #scicomm #outreach #egublog
EGU Atmospheric Sciences Division@egu-as.bsky.social · 8mo agoNew blog post is up! Read about @ehsansci.bsky.social community project and why marine clouds are so important for our climate and how to study them in more detail! #scicomm
📢 Our preprint is now available:🧾 “Isolating the contribution of local and non-local shortwave flux biases towards climatological sea surface temperature biases within a coupled climate model.” ☀️🌊 🔗 Link in comments 👇 #DRIscience #solar #radiation #simulation #remotesensing #ocean #atmosphere
New EGU Atmosphere blog post about our work is out! 📘 A library of Lagrangian trajectories is developed to study marine stratocumulus clouds & aerosol–cloud interactions under realistic conditions. ☁️ Thanks to @egu-as.bsky.social editorial team for the great support! 🙌 🔗 blogs.egu.eu/divisions/as...
Building a library of observed air mass trajectories to study aerosol-cloud interactions
Marine low clouds, such as stratocumulus, play a central role in regulating Earth’s climate by reflecting incoming sunlight back to space. Yet these clouds are notoriously difficult to simulate and pr...
blogs.egu.eu
Excited for #AMS2026 in Houston! 📍 Next week, I’ll be presenting on building a large-eddy simulation (LES) library for marine low clouds. 💻📡☁️ Looking forward to connecting and chatting about #clouds, #aerosols, and more! @ametsoc.org #DiscoverDRI #LES #AMS106
🔈 At #AMS2026, I will chair a session on Precipitation, Weather Modification, and Climate Intervention within the Aerosol-Cloud-Climate Interactions Symposium. 📍 Join us on Tuesday, 27 Jan, in Houston or online 🔗 Link in comments @ametsoc.org #MCB #CCT #cirrus #cloud #aerosol #DiscoverDRI #AMS106
📄 My paper has just been published in ACP! “Constraining a Radiative Transfer Model with Satellite Retrievals: Contrasts between cirrus formed via homogeneous and heterogeneous freezing and ...” (link in comments) #Cirrus #Cloud #Aerosol #DiscoverDRI #EGU #ACP #RemoteSensing #RadiativeTransfer
Excited to see our paper published in ACP! "Building a comprehensive library of observed Lagrangian trajectories for testing modeled cloud evolution, aerosol–cloud interactions, and marine cloud brightening" acp.copernicus.org/articles/25/... #DiscoverDRI #aerosol #cloud #LES #EGU #Copernicus #ACP
Please consider submitting an abstract to our #AMS2026 session on cloud & precipitation responses to aerosol pollution..., organized by Troy Zaremba and me, as part of aerosol-cloud-climate symposium at #AMS106 in Houston, Jan 26. #cloud #aerosol #DiscoverDRI @ametsoc.org @zmann3000.bsky.social
American Meteorological Society@ametsoc.org · last yr.Abstract submission is now OPEN for the 106th Annual Meeting! This year’s meeting theme — Fast and Slow Thinking: The Human Factor in a Rapidly Changing World — invites fresh ideas at the intersection of science, society, and decision-making⚡🌐 Submit by 14 August: bit.ly/3HVJL5B #AMS2026
Please consider submitting an abstract to our #AMS2026 session on cloud & precipitation responses to aerosol pollution..., organized by Troy Zaremba and me, as part of aerosol-cloud-climate symposium at #AMS106 in Houston, Jan 26. #cloud #aerosol #DiscoverDRI @ametsoc.org @zmann3000.bsky.social
American Meteorological Society@ametsoc.org · last yr.Abstract submission is now OPEN for the 106th Annual Meeting! This year’s meeting theme — Fast and Slow Thinking: The Human Factor in a Rapidly Changing World — invites fresh ideas at the intersection of science, society, and decision-making⚡🌐 Submit by 14 August: bit.ly/3HVJL5B #AMS2026
Happy to share that our preprint is published on EGUsphere: "Constraining a Radiative Transfer Model with Satellite Retrievals: Implications for Cirrus Cloud Thinning" doi.org/10.5194/egus... #Cirrus #Cloud #Aerosol #EGUsphere #ACP #RemoteSensing #RadiativeTransfer @driscience.bsky.social
Our Pliocene paper is featured in @eos.org ! eos.org/research-spo...
Ancient Climate Reconstruction Links Past and Future - Eos
A new map of climate conditions during the Pliocene epoch—the last time Earth’s carbon dioxide concentrations hit 400 parts per million—could offer clues about possible climatic changes in store for t...
eos.org
It's been such a crazy week, I haven't had time to post about it yet...but yeah, we have a new paper out 🎉 in @aguadvances.bsky.social about the Pliocene - the last time Earth experienced CO2 level like we have now. agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Pliocene Warmth and Patterns of Climate Change Inferred From Paleoclimate Data Assimilation
Pliocene sea-surface temperature (SST) data are assimilated with model simulations from pliocene modeling intercomparison project phase 2 (PlioMIP2) and Community Earth System Model (CESM) The mi...
agupubs.onlinelibrary.wiley.com
It was a pleasure to collaborate on this fascinating work, now published in AGU Advances! 📖 Pliocene Warmth and Patterns of Climate Change Inferred From Paleoclimate Data Assimilation agupubs.onlinelibrary.wiley.com/doi/10.1029/... #DRIscience #AGUPubs #OpenAccess @agu.org @aguadvances.bsky.social
Happy to announce our book chapter, Cirrus Cloud Thinning (CCT), is now published! 📖☁️ We discuss the need for a better representation of cirrus cloud processes in models to validate CCT efficacy. onlinelibrary.wiley.com/doi/10.1002/... #Clouds #Aerosols #Arctic #Research #Wiley #DiscoverDRI
Next week at #AMS2025 in New Orleans, I will talk about improving cirrus cloud modeling using satellite observations📡☁️ Looking forward to meeting and discussing about #cloud, #aerosol, #satellite, & more! @driscience.bsky.social @ametsoc.bsky.social #cirrus #remotesensing #radiation #GCM #AMS105
I'm excited to co-chair an #AMS2025 session on Precipitation, Weather Modification & Climate Intervention within Aerosol-Cloud-Climate Interactions Symposium! Join us Monday, 13 Jan, in New Orleans or online! @ametsoc.bsky.social @driscience.bsky.social #MCB #CCT #cloud #aerosol #DiscoverDRI
Honored to be an awardee in the DRI's Institute Project Assignments (IPA) competition for my proposal on marine low cloud formation! Huge thanks to @driscience.bsky.social for the support—excited to get started. #satellite #clouds #radiation #DiscoverDRI #FundingSuccess #Nevada
The #Micro2MacroWorkshop was incredibly productive! Had the chance to share my research & gain valuable insights from excellent presentations & engaging breakout sessions on improving models & observations. Thanks to USCLIVAR, UCAR, UW & organizers! #cloud #aerosol #radiation
Happy to share that our manuscript is now available on EGUsphere! We introduce a novel approach to identify a reduced number of representative cases from various observed environmental conditions in the Northeast Pacific. #egusphere #ACP #aerosol #cloud #Lagrangian #LES doi.org/10.5194/egus...
Happy to share that my proposal has been funded! A big thank you to NV NASA EPSCoR for supporting my research on the climate dynamics of cirrus clouds. 🌍☁️ #Cirrus #cloud #radiation #ENSO #NASA #EPSCoR #Nevada #DiscoverDRI #FundingSuccess
Reminder: Abstract submission for our #AMS2025 session is due in 3 days—Aug 15! Join us in the Weather Modification & Climate Intervention session, organized by Michael Diamond, Troy Zaremba, & myself: annual.ametsoc.org/index.cfm/20... #cirrus #stratocumulus #cloud #aerosol #MCB #CCT #AMS105
17th Symposium on Aerosol–Cloud–Climate Interactions
The 105th AMS Annual Meeting will take place from 12 to 16 January, 2024 in New Orleans, Louisiana.
annual.ametsoc.org
Ehsan Erfani, PhD@ehsansci.bsky.social · 2y agoI'm co-organizing an #AMS2025 session on weather modification and climate intervention within the aerosol-cloud-climate interactions symposium. Please consider submitting an abstract! #cirrus #stratocumulus #cloud #aerosol #MCB #CCT #DiscoverDRI #AMS105
Satellite images showing the development of a pyroCb cloud from the Falls Fire in Oregon, USA. Animation created from #GOES West #satellite imagery on the #CIRA website #pyrocumulonimbus #cloud #pyroCb #wildfire #smoke #FallsFire #OrWildFire #orwx
'Warming stripes' data visualizations for the USA and Las Vegas, highlighting the impact of climate change. #ShowYourStripes #DiscoverDRI showyourstripes.info
Show Your Stripes
Visualising how the climate has changed for every country across the globe
showyourstripes.info
I'm co-organizing an #AMS2025 session on weather modification and climate intervention within the aerosol-cloud-climate interactions symposium. Please consider submitting an abstract! #cirrus #stratocumulus #cloud #aerosol #MCB #CCT #DiscoverDRI #AMS105
The iridescence is due to light scattering by very small cloud particles (< 10 µm) ❄️ A large number of very small ice particles is characteristic of homogeneous ice nucleation, occurring in the absence of aerosols. #iridescence #cirrus #ice #cloud #radiation Photo: Tuoi Tre News
I created an introductory note for useful relationships in cirrus & ice clouds: "Estimating microphysical properties of ice clouds for climate modeling and remote sensing applications" doi.org/10.31223/X5K... #cirrus #ice #cloud #microphysics #modeling #mixedphase #remotesensing
Happy to share this insightful summary of groundbreaking field measurements on aerosol-cloud interaction for MCB🌥️, led by UW scientists in San Francisco, CA. Honored to collaborate w/ experts in this critical research area. #Climate #Clouds #Aerosols #DiscoverDRI www.silverlining.ngo/new-climate-...
