Ehsan Erfani, PhD
@ehsansci.bsky.social
Assistant Professor @DRIScience 🏜️
Atmospheric Science, Cloud Physics & Modeling 🌦️💻
former: @UW GMU_COS 🏙️
Ph.D. @UNevadaReno 🎓
RT≠endorsement
Atmospheric Science, Cloud Physics & Modeling 🌦️💻
former: @UW GMU_COS 🏙️
Ph.D. @UNevadaReno 🎓
RT≠endorsement
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
"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
August 12, 2025 at 3:16 PM
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
"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
#cloud #aerosol #DiscoverDRI
@ametsoc.org @zmann3000.bsky.social
July 11, 2025 at 7:16 PM
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
#cloud #aerosol #DiscoverDRI
@ametsoc.org @zmann3000.bsky.social
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
"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
March 25, 2025 at 3:41 PM
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
"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
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
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
January 30, 2025 at 9:59 PM
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
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
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
January 12, 2025 at 8:24 PM
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
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
Looking forward to meeting and discussing about #cloud, #aerosol, #satellite, & more!
@driscience.bsky.social
@ametsoc.bsky.social
#cirrus #remotesensing #radiation #GCM #AMS105
January 6, 2025 at 5:05 PM
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
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
Join us Monday, 13 Jan, in New Orleans or online!
@ametsoc.bsky.social
@driscience.bsky.social
#MCB #CCT #cloud #aerosol #DiscoverDRI
December 30, 2024 at 7:35 PM
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
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
for the support—excited to get started.
#satellite #clouds #radiation #DiscoverDRI #FundingSuccess #Nevada
December 12, 2024 at 7:52 PM
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
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
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
October 30, 2024 at 6:51 PM
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
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...
#egusphere #ACP #aerosol #cloud #Lagrangian #LES
doi.org/10.5194/egus...
October 29, 2024 at 11:58 PM
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...
#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
#Cirrus #cloud #radiation #ENSO #NASA #EPSCoR #Nevada #DiscoverDRI #FundingSuccess
September 16, 2024 at 11:12 PM
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
#Cirrus #cloud #radiation #ENSO #NASA #EPSCoR #Nevada #DiscoverDRI #FundingSuccess
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
Animation created from #GOES West #satellite imagery on the #CIRA website
#pyrocumulonimbus #cloud #pyroCb #wildfire #smoke #FallsFire #OrWildFire #orwx
July 14, 2024 at 3:00 AM
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
Animation created from #GOES West #satellite imagery on the #CIRA website
#pyrocumulonimbus #cloud #pyroCb #wildfire #smoke #FallsFire #OrWildFire #orwx
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
#cirrus #stratocumulus #cloud #aerosol #MCB #CCT #DiscoverDRI #AMS105
June 13, 2024 at 5:31 PM
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
#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
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
May 24, 2024 at 4:54 AM
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
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
"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
May 4, 2024 at 6:16 PM
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
"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-...
Honored to collaborate w/ experts in this critical research area.
#Climate #Clouds #Aerosols #DiscoverDRI
www.silverlining.ngo/new-climate-...
April 10, 2024 at 5:27 PM
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-...
Honored to collaborate w/ experts in this critical research area.
#Climate #Clouds #Aerosols #DiscoverDRI
www.silverlining.ngo/new-climate-...
Did you catch the Solar Eclipse?
Real-time view over the Pacific Ocean, Mexico, and parts of the USA captured by GOES-East satellite
#Eclipse2024 #EclipseSolar2024 #TotalSolarEclipse2024 #GOES #satellite #CIRA
Real-time view over the Pacific Ocean, Mexico, and parts of the USA captured by GOES-East satellite
#Eclipse2024 #EclipseSolar2024 #TotalSolarEclipse2024 #GOES #satellite #CIRA
April 8, 2024 at 6:56 PM
Did you catch the Solar Eclipse?
Real-time view over the Pacific Ocean, Mexico, and parts of the USA captured by GOES-East satellite
#Eclipse2024 #EclipseSolar2024 #TotalSolarEclipse2024 #GOES #satellite #CIRA
Real-time view over the Pacific Ocean, Mexico, and parts of the USA captured by GOES-East satellite
#Eclipse2024 #EclipseSolar2024 #TotalSolarEclipse2024 #GOES #satellite #CIRA
Development of a Snow Growth Model for Rimed Snowfall
doi.org/10.31223/X5Q...
#ice #cloud #microphysics #modeling #snow #mixed-phase #remotesensing
doi.org/10.31223/X5Q...
#ice #cloud #microphysics #modeling #snow #mixed-phase #remotesensing
April 6, 2024 at 12:38 AM
Development of a Snow Growth Model for Rimed Snowfall
doi.org/10.31223/X5Q...
#ice #cloud #microphysics #modeling #snow #mixed-phase #remotesensing
doi.org/10.31223/X5Q...
#ice #cloud #microphysics #modeling #snow #mixed-phase #remotesensing
Next week, DRI scientists will present research on cirrus clouds using obs. & models at Gordon Research Conference (GRC) on climate eng. While I won't be there, I'm proud of my contributions!
#cirrus #cloud #DiscoverDRI #saellite #remotesensing #radiativetransfer #GCM #simulation
#cirrus #cloud #DiscoverDRI #saellite #remotesensing #radiativetransfer #GCM #simulation
February 16, 2024 at 9:39 PM
Next week, DRI scientists will present research on cirrus clouds using obs. & models at Gordon Research Conference (GRC) on climate eng. While I won't be there, I'm proud of my contributions!
#cirrus #cloud #DiscoverDRI #saellite #remotesensing #radiativetransfer #GCM #simulation
#cirrus #cloud #DiscoverDRI #saellite #remotesensing #radiativetransfer #GCM #simulation
Sharing my colleague's paper:
"A new look into the impacts of dust radiative effects on the energetics of tropical easterly waves" has been published and is available in the Atmospheric Chemistry and Physics (ACP) journal:
t.co/9scn9rUnMx
"A new look into the impacts of dust radiative effects on the energetics of tropical easterly waves" has been published and is available in the Atmospheric Chemistry and Physics (ACP) journal:
t.co/9scn9rUnMx
February 16, 2024 at 5:00 PM
Sharing my colleague's paper:
"A new look into the impacts of dust radiative effects on the energetics of tropical easterly waves" has been published and is available in the Atmospheric Chemistry and Physics (ACP) journal:
t.co/9scn9rUnMx
"A new look into the impacts of dust radiative effects on the energetics of tropical easterly waves" has been published and is available in the Atmospheric Chemistry and Physics (ACP) journal:
t.co/9scn9rUnMx
Interesting observation! It seems that 🛰️ Aqua/MODIS cloud fraction retrieval detects 🌋 plume as cloud, whereas cloud effective radius retrieval is more accurate. #Satellite imagery via #NASA #Worldview (8 Feb) #Reykjanes #Grindavik #Iceland #volcano #Eruption #cloud #aerosol
February 10, 2024 at 4:33 AM
Interesting observation! It seems that 🛰️ Aqua/MODIS cloud fraction retrieval detects 🌋 plume as cloud, whereas cloud effective radius retrieval is more accurate. #Satellite imagery via #NASA #Worldview (8 Feb) #Reykjanes #Grindavik #Iceland #volcano #Eruption #cloud #aerosol
#AMS2024 annual meeting was incredibly productive! Engaging discussions with friends, collaborators, and new connections. Learned so much from presentations, and shared my research too. Looking forward to the next one!
@ametsoc
#stratocumulus #cirrus #clouds #DiscoverDRI #AMS104
@ametsoc
#stratocumulus #cirrus #clouds #DiscoverDRI #AMS104
February 1, 2024 at 7:14 PM
#AMS2024 annual meeting was incredibly productive! Engaging discussions with friends, collaborators, and new connections. Learned so much from presentations, and shared my research too. Looking forward to the next one!
@ametsoc
#stratocumulus #cirrus #clouds #DiscoverDRI #AMS104
@ametsoc
#stratocumulus #cirrus #clouds #DiscoverDRI #AMS104
Next week, I'll present two talks at #AMS2024 in Baltimore, MD about modeling marine low clouds and cirrus clouds. I'd be happy to meet and discuss relevant topics.
@ametsoc
#cirrus #stratocumulus #cloud #aerosol #satellite #remotesensing #radiation #LES #GCM #DiscoverDRI #AMS104
@ametsoc
#cirrus #stratocumulus #cloud #aerosol #satellite #remotesensing #radiation #LES #GCM #DiscoverDRI #AMS104
January 22, 2024 at 9:19 PM
Next week, I'll present two talks at #AMS2024 in Baltimore, MD about modeling marine low clouds and cirrus clouds. I'd be happy to meet and discuss relevant topics.
@ametsoc
#cirrus #stratocumulus #cloud #aerosol #satellite #remotesensing #radiation #LES #GCM #DiscoverDRI #AMS104
@ametsoc
#cirrus #stratocumulus #cloud #aerosol #satellite #remotesensing #radiation #LES #GCM #DiscoverDRI #AMS104
Left by UW CIMSS looks like "marine cold-air outbreaks" that occur in extratropics & are characterized by stratocumulus-to-cumulus transition (SCT).
Reminds me of SCTs in subtropical oceans that I've studied. Check my #JGR paper & #ams2024 talk.
agupubs.onlinelibrary.wiley.com/doi/full/10....
#cloud
Reminds me of SCTs in subtropical oceans that I've studied. Check my #JGR paper & #ams2024 talk.
agupubs.onlinelibrary.wiley.com/doi/full/10....
#cloud
January 22, 2024 at 2:53 AM
Left by UW CIMSS looks like "marine cold-air outbreaks" that occur in extratropics & are characterized by stratocumulus-to-cumulus transition (SCT).
Reminds me of SCTs in subtropical oceans that I've studied. Check my #JGR paper & #ams2024 talk.
agupubs.onlinelibrary.wiley.com/doi/full/10....
#cloud
Reminds me of SCTs in subtropical oceans that I've studied. Check my #JGR paper & #ams2024 talk.
agupubs.onlinelibrary.wiley.com/doi/full/10....
#cloud