10a-2p (M-F) on The Weather Channel. M.S./Ph.D. Atmospheric Dynamics, UW-Madison. Post-doc Tropical Cyclones. Drummer 🥁, swammer. Goin’ Back to Nassau Hall 🎶.
Atlanta, GA
Joined October 2012
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Greg Postel retweeted
An early look at forecast high temperatures on Halloween shows well above normal departures in shades of pumpkin orange across much of the central and eastern U.S. Check your local forecast at weather.gov
ALT National Weather Service map showing forecast daytime high temperatures across the continental U.S. for Oct 31, 2026, with color fill for departures from climatology — warmest (70s–80s°F) in the central and eastern states, cooler (40s–60s°F) along the West Coast and Pacific Northwest.
Greg Postel retweeted
Half dollar sized snowflakes falling this morning near Melbeta, Nebraska @KNEBStormCenter @NWSCheyenne #newx
Greg Postel retweeted
Appears #StormBoelo peaked around 948mb, exceptionally close to the UK's October record of 947.9mb set just last year.
Maybe somewhere set a new record?
Greg Postel retweeted
Morning all!
As #StormBoelo pulls away and pressure rises, we're seeing some big gusts (80+ Stornoway, 123 mph over Cairngorm) out of the NW.
Fair amount of damage with road and bridge closures.
Take care!
This new era of college football, say what you want about it, is filled with incredibly exciting games. Everywhere.
Any given Saturday.
Greg Postel retweeted
Taiwan shut down schools and offices and grounded hundreds of flights as Typhoon Champi brushed by the island Friday, packing strong winds and torrential rains.
Read more: abcnews.link/leffHOu
Goin' back, Goin' back ...🎵
I was lucky to intern with Dr. Kirk Bryan (and Suki Manabe) at GFDL long ago
Back in Princeton this weekend for the GFDL 71st anniversary symposium. I'll be presenting tomorrow morning on the last 10 years of FV3/HAFS development and goals for the future. It's fun to catch up with colleagues from my postdoc time here, several of whom we collaborate with still.
Also enjoying the chance to see some fall color! Not much of that in Miami.
Greg Postel retweeted
I don’t know what the state record hail size is in Arizona but this is nearly an inch wide than my iPhone. West side of Sedona.
Mesoscale analyses and model interpolations of the kinematic and thermal structure of the storm off the East Coast ... strongly suggest it never lost its frontal ties.
From my experience, the use of "subtropical storm" confuses the picture in public discourse.
FFD, RFD, MESO, inflow along the FFGF
what state is this?
We finally got a (partial) ASCAT pass that hit #93L. This looks like it's probably a subtropical storm, in my opinion. It looks pretty detached from the fronts on the southwest side of the circulation, and has core convection and a fairly small RMW on the NW side. It's a little hard to tell for sure on the NE side since we didn't get a pass there just yet.
Regardless of the classification, strong NE winds will affect the eastern seaboard.
