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Kelsey Malloy

@kmalloy.bsky.social
476 followers 271 following 48 posts

Climate scientist & Assistant Prof @UDelaware Dept Geog & Spatial Sciences 🌍⛈️ | Ph.D. UMiami Rosenstiel 🌀| B.S. UMD 🐢 | often post about weather & climate | she/her

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Reposted by Kelsey Malloy
Jorge García Franco @jorgelgf.bsky.social · 05/06/2026
How does the GFDL SPEAR Large Ensemble project tropical cyclones to change under warming? Short answer: fewer storms globally, but each is projected to be wetter and bigger. w @mktippett.bsky.social @scamargo.bsky.social Read more in Earth's Future: agupubs.onlinelibrary.wiley.com/doi/10.1029/...
agupubs.onlinelibrary.wiley.com
Historical and Projected Tropical Cyclone Characteristics in SPEAR Large Ensemble Simulations
TC genesis is projected to decrease, with a poleward shift in activity regions Climatological TC precipitation (TCP) is projected to decrease, while precipitation rate per TC and TCP size increas...
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Reposted by Kelsey Malloy
The Weather & Climate Livestream @wclivestream.bsky.social · 08/05/2026
🚨 The Weather and Climate Livestream is back, June 1st - 3rd 2026!! We're streaming 50 hours for our future in the face of a new round of proposed budget cuts and attacks on science. Want to speak at the event? wclivestream.com/volunteer/
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Eos @eos.org · 31/01/2026
NCAR represents what is possible when a nation chooses to invest in science as a public good, writes @carlonimbus.bsky.social of @ucs.org. #SaveNCAR
eos.org
What Americans Lose If Their National Center for Atmospheric Research Is Dismantled - Eos
Five ways dismantling NCAR will cost the American people, and two ways to save it.
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Reposted by Kelsey Malloy
Daniel Swain @weatherwest.bsky.social · 23/01/2026
Attention folks in the weather, climate, disaster, wildfire, and Earth science communities: NSF has just published a new "Dear Colleague" letter inviting feedback (by Mar 13) on the proposal to dismantle the National Center for Atmospheric Research (NCAR). www.nsf.gov/funding/...
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Kelsey Malloy @kmalloy.bsky.social · 23/01/2026
🌪️ Happy to share this new paper from @mktippett.bsky.social and I. We constructed a synthetic event set for U.S. tornado outbreaks. It has 200,000+++ events, which can be boiled down to resolve localized risk, and we detect robust shifts in activity due to ENSO and trends. doi.org/10.5194/nhes...
doi.org
A Global Ensemble Forecast System (GEFS)-based synthetic event set of U.S. tornado outbreaks
Abstract. Severe convective storms (SCS) are important drivers of global insured losses, and tornado outbreaks – when many tornadoes occur within a short time span – cause extreme and localized loss o...
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Kelsey Malloy @kmalloy.bsky.social · 15/12/2025
A climate projections 101:
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Kelsey Malloy @kmalloy.bsky.social · 11/11/2025
Looking forward to participating in this webinar! Happening this Thurs!
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Kelsey Malloy @kmalloy.bsky.social · 13/10/2025
An atmospheric general circulation model you can run on a Python Jupyter notebook?! Heck yeah! Check out this project- both an educational tool for undergraduates/graduate students, and a research tool for scientists interested in idealized climate modeling. journals.ametsoc.org/view/journal...
journals.ametsoc.org
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Adam Sobel @adamsobel.bsky.social · 16/09/2025
We're hiring! We have an open search for an Assistant Professor in physics of the ocean and/or atmosphere in Columbia's Dept. of Earth and Environmental Sciences. Please circulate this information to good candidates, and apply yourself if you are one! Ad & link to apply: apply.interfolio.com/173819
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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Reposted by Kelsey Malloy
Climate.us @climate.us · 28/08/2025
Curious what we are all about? Click the link: www.cnn.com/2025/08/28/c...
CNN news story, Climate.gov will re-launch under new URL thanks to a secret team of web ninjas
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Reposted by Kelsey Malloy
Haley Thiem @haleythiemwx.bsky.social · 27/06/2025
Sad to see that leadership didn’t approve of my suggested post language (assuming since this is what is posted) that I submitted on my last day in May as the social media manager. Allow me share some of our team’s kind words here instead:
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Reposted by Kelsey Malloy
NOAA Climate.gov @climate.noaa.gov · 27/06/2025
Our final updates have been posted to the Climate.gov website, and this will be our final post to our social media channels.
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Reposted by Kelsey Malloy
Tom Di Liberto @tdiliberto.bsky.social · 30/05/2025
Trump's Budget is out. For NOAA, it's exactly what the previous passback document showed. Trump administration eliminations NOAA's Office of Oceanic and Atmospheric Research in its ongoing fight against science and reality. www.govinfo.gov/content/pkg/...
Table showing FY26 budget numbers for NOAA from the Trump Administration.
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Kelsey Malloy @kmalloy.bsky.social · 28/05/2025
How do a climate-scale patterns, like La Niña, influence extreme weather events, like tornado outbreaks? I break it down in this ENSO Blog post, plus discuss this hyperactive 2025 season in particular. 🌪️
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Reposted by Kelsey Malloy
American Meteorological Society @ametsoc.org · 28/05/2025
Federal weather & climate science is under threat. Starting TODAY at 3:00 PM ET, join a coalition of scientists--including AMS leaders--for a 100-hour livestream. Learn what federal science does for you, ask questions, and help build awareness to "Save Our Forecasts": wclivestream.com
Graphic for the Weather & Climate Livestream.
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Reposted by Kelsey Malloy
Dr. Jeff Masters @drjeffmasters.bsky.social · 08/05/2025
A major loss to our understanding of how extreme weather events are affecting us. There are 3 alternative databases I will be using: Gallagher Re: www.ajg.com/gallagherre/... Aon: img.clients.aonunited.com/Web/Aon5/%7B... EM-DAT: www.emdat.be
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Kelsey Malloy @kmalloy.bsky.social · 08/05/2025
I usually include NOAA NCEI billion-dollar weather/climate disaster figures in my talks. Over the last couple months, I've spent extra time highlighting who makes them and why it's so valuable, including "while we still have this data..." to convey my worry. Sadly I guess my fears were warranted.
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Kelsey Malloy @kmalloy.bsky.social · 07/05/2025
How QBO affects weather/climate patterns can be confusing, but @jorgelgf.bsky.social tries to break down the main QBO teleconnection routes in this post. As usual, we had fun with graphics... here's an animated schematic:
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Dr. Suzanne Le Menestrel @drsl.bsky.social · 02/05/2025
The Spencer Foundation is offering rapid response bridge funding for those who lost NSF research grants. www.spencer.org/grant_types/...
spencer.org
Rapid Response Bridge Funding Program
In the face of recent abrupt shifts in federal funding for education research, including large-scale terminations of National Science Foundation (NSF) research grant awards, we have developed a rap...
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Reposted by Kelsey Malloy
Kate Starbird @katestarbird.bsky.social · 23/04/2025
The canceled grands are shock and awe, but the real damage will come from the long-term (massive) reductions in funding to the entire US research ecosystem and the defunding of entire fields and initiatives for training, growing, and diversifying the research workforce.
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Reposted by Kelsey Malloy
National Center for Disaster Preparedness, Columbia University @ncdp.bsky.social · 22/04/2025
✨ Explore NCDP's new map application that examines how natural hazards, including tornadoes, wildfires, sea-level rise, and tropical cyclones, may be influenced by climate change. Read the full story: ow.ly/8sro50VFP57 Map application: bit.ly/nhccp @climate.columbia.edu #climatechange #earthday
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Reposted by Kelsey Malloy
Mona Hemmati @monahemmati.bsky.social · 14/04/2025
The gap between where people live and where insurance remains available is widening across the U.S. We explore this in our recent paper, “The Growing Void in the U.S. Homeowners Insurance Market: Who Should Bear the Rising Cost of Climate Change” co-authored with Ian Gray @stevebowen.bsky.social
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Paul Voosen @voosen.me · 11/04/2025
BREAKING from @science.org: The Trump admin is seeking to kill nearly all climate research at NOAA, its climate science agency. Its near-final budget proposal would end all NOAA research labs, academic institutes, and regional climate centers. And it wants to fully end the NOAA Research division.
science.org
Trump seeks to end climate research at premier U.S. climate agency
White House aims to end NOAA’s research office; NASA also targeted
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Naomi Klein @naomiaklein.bsky.social · 09/04/2025
Get this: Commerce is slashing $ to Princeton's world-renowned climate research b/c modeling changes to Earth systems is "contributing to a phenomenon known as 'climate anxiety,' which has increased significantly among America’s youth." No research, no problem! www.commerce.gov/news/press-r...
commerce.gov
Ending Cooperative Agreements’ Funding to Princeton University
On Tuesday, April 8, 2025, U.S. Secretary of Commerce Howard Lutnick announced that nearly $4 million in funding is ending to Princeton University after a detailed, careful, and thorough review of the...
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Reposted by Kelsey Malloy
Tom Di Liberto @tdiliberto.bsky.social · 04/04/2025
Here are just some of the websites that will go dark at Midnight because of this cancelled contract. research.noaa.gov epic.noaa.gov globalocean.noaa.gov cpo.noaa.gov seagrant.noaa.gov testbeds.noaa.gov
testbeds.noaa.gov
Home - NOAA TestBeds
Operational implementation through development testing, and pre-deployment testing and operational readiness/suitability evaluations.
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Reposted by Kelsey Malloy
Andrew Freedman @afreedma.bsky.social · 27/03/2025
Scoop(let): NOAA is folding the Climate Prediction Center in with the Weather Prediction Center, partly so CPC doesn't stand out so much with the word "climate." (CPC does not study/predict climate change so much as El Niño/La Niña, seasonal climate.) www.axios.com/2025/03/27/n...
axios.com
NOAA merges Climate Prediction Center with another unit, reflecting climate anxiety
The move reflects concerns over the Trump administration's sensitivity to CPC's title.
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Kelsey Malloy @kmalloy.bsky.social · 19/03/2025
Check out the timely early online release of @mktippett.bsky.social and I's paper Forecasting U.S. Tornado Outbreak Activity and Associated Environments in the Global Ensemble Forecast System (GEFS) 🌪️ doi.org/10.1175/WAF-...
doi.org
Forecasting U.S. Tornado Outbreak Activity and Associated Environments in the Global Ensemble Forecast System (GEFS)
Abstract Tornado outbreaks are high-impact events, often causing significant loss of life and property. This study evaluated the forecast skill of U.S. tornado outbreak activity using the Global Ensem...
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Reposted by Kelsey Malloy
Lee Harris @leeharris.ft.com · 14/03/2025
Insurers warn that mass firings at NASA, the US Geological Survey and other science agencies could threaten the public weather and geospatial data they use to manage natural disaster risks — and could raise prices for consumers: on.ft.com/3DI4Q1K
on.ft.com
Insurers warn that US weather agency mass firings will hit climate risk data
[FREE TO READ] Reinsurance trade group appeals to US commerce secretary Lutnick to preserve data collection after thousands of jobs axed
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Zahra Hirji @zhirji.bsky.social · 14/03/2025
Yes, I'm a climate reporter. But the story of how the Trump admin's moves are threatening science & research is bigger than climate. So I spoke w/economists, physicists, sociologists, computer scientists, health scientists, and climate researchers for this piece: www.bloomberg.com/news/feature...
bloomberg.com
Trump’s Science Cuts Have Thrown the Research World Into Chaos
Firing federal workers and freezing grants are upending a world-class system the US has built since World War II.
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Reposted by Kelsey Malloy
Gavin Schmidt @climateofgavin.bsky.social · 11/03/2025
www.nature.com/articles/d41...
nature.com
NASA begins mass firings of scientists ahead of Trump team’s deadline
Top advisers in the Office of the Chief Scientist are among the first to go amid downsizing effort.
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Kelsey Malloy @kmalloy.bsky.social · 06/03/2025
The pause/cancellation of PhD student and postdoc funding + the firing of scientists where many are early-career will undermine the training of a next generation. The effects of losing scientific talent are immediately disastrous AND they aggregate if not meeting a "replacement rate" of expertise.
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Kelly Hereid @kellyhereid.bsky.social · 06/03/2025
Potentially interesting job for the NOAA crowd - Verisk, one of the biggest modeling firms in the insurance industry, is looking for an experienced atmospheric scientist. Charles Jackson is hiring, who was on my PhD committee and is just a delight to work with, aside from being a kickass scientist.
linkedin.com
Verisk hiring Senior Atmospheric Scientist in Boston, MA | LinkedIn
Posted 12:45:15 AM. Job DescriptionVerisk’s Extreme Event Solutions Research Department in Boston is seeking a…See this and similar jobs on LinkedIn.
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Reposted by Kelsey Malloy
Save NOAA @savenoaa.bsky.social · 06/03/2025
Since Hurricane Andrew in 1992, @noaa.gov has advanced forecasting—today’s 5-day forecast is as accurate as a 1-day forecast then. Recent cuts threaten this progress, making life-saving warnings harder to deliver when the next hurricane strikes.
cnn.com
Fired employee says NOAA layoffs will affect storm preparations | CNN
CNN’s MJ Lee sits down with a terminated NOAA hurricane scientist, Andrew Hazelton, after the shock firing of hundreds of America’s foremost experts in weather forecasting and Earth sciences.
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Reposted by Kelsey Malloy
Zack Labe @zacklabe.com · 05/03/2025
Hi - I'd like to share this story of what is happening at NOAA GFDL, where some of my colleagues and I worked until the mass firings at NOAA last week. "...the birthplace of weather and climate forecasting"
science.org
NOAA firings hit the birthplace of weather and climate forecasting
Dismissed researchers were improving severe weather predictions
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The Washington Post @washingtonpost.com · 28/02/2025
The Trump administration informed hundreds of probationary employees across the National Oceanic and Atmospheric Administration and the NWS that they were fired. The terminations come days before a potential severe weather outbreak in the U.S. and months ahead of the next hurricane season.
washingtonpost.com
Trump fires hundreds working on weather forecasts, satellite data and radar systems
The terminations come days before a potential severe weather outbreak in the southeastern U.S. — and just months ahead of the next Atlantic hurricane season.
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David Ho @davidho.bsky.social · 28/02/2025
The U.S. has two tsunami warning centers, both operated by NOAA. Employees were terminated from these centers today. The Pacific Tsunami Warning Center covers Hawaiʻi, and now it is less safe to be near the beach. www.tsunami.gov
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Stephen Nehrenz @stephennehrenz.bsky.social · 27/02/2025
There is absolutely no timeline where a weakened National Weather Service and NOAA is a positive thing.
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Kelsey Malloy @kmalloy.bsky.social · 28/02/2025
Seeing some of the most talented, hardworking people lose their jobs for which their purpose is to save lives and advance the science of forecasting and understanding weather and climate is... distressing, to put it lightly. We need to keep making noise because lives and livelihoods are at stake.
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Dr. Levi Cowan @tropicaltidbits.bsky.social · 26/02/2025
A statement I must make:
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Kelly Hereid @kellyhereid.bsky.social · 21/02/2025
Rick Spinrad, the former head of NOAA, shares the immense value that his organization brings, for the wild and crazy cost of... $0.06 per day.
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Dennis Mersereau 🛰️ @wxdam.com · 18/02/2025
Here's a small list of the ways you directly benefit from the National Weather Service on a daily basis. The agency is a public good that issues critical, lifesaving forecasts and alerts. We must save it from indiscriminate and irreparable damage. www.damweather.com/2025/02/the-...
damweather.com
The National Weather Service is a lifesaving public resource. We must save it.
The National Weather Service (NWS) is the most important federal agency you benefit from on a daily basis.
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World Meteorological Organization @wmo-global.bsky.social · 11/02/2025
Women and girls belong in science, and their inclusion fosters innovation. In 2025, we join the United Nations to celebrate 10 years of the International Day of Women and Girls in Science—a key milestone in advancing gender equality and empowering women globally.
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Adam Sobel @adamsobel.bsky.social · 11/02/2025
People may not understand just how important federal science research funding is to the prosperity of the nation. I tried to explain it, because it's under unprecedented and direct assault.
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Andrew Freedman @afreedma.bsky.social · 09/02/2025
NEW: @noaa.gov offices have been asked to search their grants for climate-related keywords, among other executive order-related terms. This could put climate grant-funding in the crosshairs if/once the judicial order holding the funding freeze back is lifted. www.axios.com/2025/02/09/n...
axios.com
NOAA told to search its grants for climate change terms
The search would provide a list of NOAA's climate change-related grants.
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Kelsey Malloy @kmalloy.bsky.social · 23/01/2025
Seasoned Chaos is here on Bluesky! And we wrote a 5-year anniversary post!
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Kelsey Malloy @kmalloy.bsky.social · 06/01/2025
Crowdsourcing time 😁: What are some must-read papers for your sub-area in climate variability and climate/s2s forecasting (ENSO, MJO, stratosphere, etc) in terms of understanding North American teleconnections? Bonus points if they're accessible for an upper-level undergrad.
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