@keepinit_reale

WeatherWorks - Director of Meteorological Services. Keepin the weather Reale, one tweet at a time.

Joined September 2012
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  • Following812
  • Followers276
159Media
Rob Reale retweeted
SRRadarLoops@LoopsSrMar 12
#SRRadarLoop of the Kankakee IL EF3 tornado. This tornado tracked for 36 miles and just over a half mile wide. Peak winds were 150 mph.
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Classic "weak wave" set up late tonight - Mon AM thru the OH Val. Follow the upper level forcing and fronto, generally on the northern side of QPF gradient. Expect higher totals than NWS forecasted, on northern side of where current max forecasted. AM rush implications
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This does actually extend into MD, likely just north of DC with a stripe of decent snowfall. However, it's largely afternoon. So while there may be a "surprise" 1 or 2" locally (currently no NWS snow thru Mon eve), it won't really do much on pavement so not big deal.
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There’s a hundred of these views posted on X already. This is 101, just because this storm deserves it. #blizzard 6 hour loop ending at 9:50 est.
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Rob Reale retweeted
Sam Brandt@sambrandt99Feb 24
There was much discussion about subsidence zones on the colder (WNW) side of snowbands during the recent blizzard. But you may still be wondering "why does it occur on that side of the band specifically?" Well, the answer has to do with the dynamics of frontogenesis:
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Mets & WeatherNuts will appreciate this loop. Blizzard 2026 Radar, 500mb and MSLP loop. Watch that Upper low come barreling down and stack itself over the Low that exited North Carolina White Outline = Mesoscale Disco for heavy snow rates
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While this snow event will largely have minimal pavement impacts, especially S of 78, its possible post-event is the greater concern for black ice. Air temps are cold, grounds cooler side, and will be plenty wet. Will come down to cloud cover / rad cooling
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Low level moisture hung around with a light NE wind, thus no clearing, thus no radiation cooling. Had the ingredients, but not the right set up
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Between MA and RI, this is possibly the craziest inverted trough / Norlun set up you may ever see if your lifetime. You don't get to say that very often
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This is actually insane
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I'd have to look more into it, but I wonder if there has ever been an arctic front that met up with a norlun and will the rates reach over 4"/hr in spots because of it?
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Norluns be norluning
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Woof so far. 12"+ coming
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This morning’s snow down in Mobile, AL despite a **very** strong warm nose aloft (> +10C!) is a good example of secondary ice production from hydrometeor shattering during the refreezing process. If liquid water drops fall through a sufficiently strong cold nose aloft, they may re-freeze so quickly that the rising internal pressure of the drop from the rapidly expanding ice shell around the nucleus causes the water droplet to shatter. The shattered ice fragments then become condensation nuclei for remaining supercooled droplets to freeze around, & even splinter in this case (temps ~ -5C are favorable for splintering) This all helps kickstart the Bergeron Process anew and allows for the development of needle-like snow crystals prior to reaching the ground (pic from @muggiewx). Yet another example of why predicting precipitation type during winter storms is so difficult acp.copernicus.org/articles/… ⛄️ ❄️ #alwx
James Spann
@spann16 Jan 2024
Light snow at Mobile this morning… video from Aldon Ward
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Rob Reale retweeted
WeatherFront
@WxFrontJan 11
⚠️ SNOW SQUALLS ❄️ A vigorous upper low and secondary cold front drifted across the Midwest and Northeast Saturday night into Sunday. Sufficient instability as a result of cold air aloft resulted in convective snow showers/squalls initiating along the front. Several Snow Squall Warnings were issued Sunday across Pennsylvania and Upstate New York.
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Rob Reale retweeted
Tomer Burg@burgwxJan 1
Happy New Year's Day! It's a snowy one for many in the northeast US - here's a loop of the clipper and associated snow squall line that went through last night:
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GoPro time-lapse of Gary while it was at its most photogenic
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Hi Twitter, X, whatever you're called now. Been a while. I gotta say I'm sincerely enjoying these snow maps showing 6-10" through C NJ and NYC. Good luck! Hope you break 3 or 4".
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In a research project assignment meant to be conducted over 11 months by a team of 4, Ricky and I had only 3 months and a team of 2. Many said the project just wasn’t feasible. We just finished it. Our self-published research paper is open access available here: github.com/a-urq/ml-ci-py/bl…

ml-ci-py/ML-CI Research Paper.pdf at main · a-urq/ml-ci-py

A machine learning model made to predict the probability of convective initiation within a 2-hour lead time model, using RAP environmental parameters for predictors. - a-urq/ml-ci-py

github.com
Amelia Urquhart@ameliaUrquhart_13 Dec 2025
If you were at the National Weather Center earlier today, you may have seen me present this poster. For those who are interested, I’ve made the convective initiation model available and open-source on my GitHub github.com/a-urq/ml_ci_py.
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