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Ryan @ryanhanrahan.bsky.social · 14/04/2025

Beast of a supercell heading into West Virginia with a huge TBSS and sidelobe spike.

Ryan @ryanhanrahan.bsky.social · 11/03/2025

@professorpowder.bsky.social Just returned from 5 days in Niseko and I was astounded at the snowflake quality (and the skiing!). Does the presence of sea salt as ice nuclei from the Sea of Japan in any way improve snowflake/dendritic production?

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Nate Johnson @natejohnson.org · 28/02/2025

I am heartbroken for my NWS colleagues today. Working in the weather field is a calling many of us feel in our bones. We are drawn to the power and beauty of the atmosphere and joined in a desire to help and serve others. To everyone affected, I am sorry.

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Ryan @ryanhanrahan.bsky.social · 08/02/2025

High probability for excessive snowfall rates later this evening. Up to 2" per hour kind of rates around midnight for parts of Connecticut. Not a big storm but most of what we get will fall in a short window.

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Ryan @ryanhanrahan.bsky.social · 24/01/2025

Wow - 74 knot gust at Shannon (EINN) METAR: EINN 240330Z 23051G74KT 5000 -SHRA FEW018CB BKN023 07/04 Q0967 NOSIG

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Ryan @ryanhanrahan.bsky.social · 24/01/2025

Storm Eowyn is a beast tonight as it heads toward Ireland.

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David Roth @drmetwatch.bsky.social · 22/01/2025

The Florida state snowfall record appears to have fallen. From Molino, FL. Passed along by NWS Mobile.

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Ryan @ryanhanrahan.bsky.social · 21/01/2025

Wild! KMSY 211533Z 36013G27KT 1/4SM +SN FZFG BKN009 OVC014 M03/M04 A3057 RMK AO2 PK WND 03031/1454 PRESRR P0001 T10281039 RVRNO $

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Tomer Burg @burgwx.bsky.social · 20/01/2025

Not sure how often such climatologically extreme scenarios happen - record-setting <942mb low off Ireland contrasted with a record-setting >1064mb high over Kazakhstan this coming Friday:

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Ryan @ryanhanrahan.bsky.social · 20/01/2025

Just incredible. Congrats New Orleans!

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Nate Johnson @natejohnson.org · 08/01/2025

NBC LA on the scene as a skilled nursing facility is being evacuated ahead of wildfires. Stretchers, wheelchairs, oxygen tanks (!), etc.

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Brian Tang @btangywx.bsky.social · 08/01/2025

Radar and infrared heat signature from the Palisades Fire are indicative of continued high intensity of flames. Unfortunately, it looks like a new wildfire has started near Altadena. Winds will worsen overnight. Awful awful awful scenarios unfolding.

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Sam Lillo @samlillo.bsky.social · 06/01/2025

The model spread through the end of this week (days 3-5) has massive ramifications for the Northeast this weekend. Complex evolution, with high ceiling on impact. I don’t envy those forecasting for this timeframe.

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Ryan @ryanhanrahan.bsky.social · 22/12/2024

Forecasting 1F at BDL tonight which would be the coldest night of the year! This will be the coldest night since February 4, 2023 (when it was -9F)!

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Ryan @ryanhanrahan.bsky.social · 17/12/2024

AirTag is in SLC but my skis are with me in Boston somehow! 🤷‍♂️

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Ryan @ryanhanrahan.bsky.social · 12/12/2024

53 knots at MVY from this one

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Ryan @ryanhanrahan.bsky.social · 11/12/2024

The low level jet has shifted east and with it the damaging wind threat is quite a bit lower here in CT. Some scattered power outages but overall it doesn't look like too big of a deal.

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Ryan @ryanhanrahan.bsky.social · 11/12/2024

Nice looking wind signature for tomorrow in Hartford with 56 knots at the top of the mixed layer!

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Ryan @ryanhanrahan.bsky.social · 10/12/2024

Obsessively checking model data before a ski trip is exhausting. At least @professorpowder.bsky.social has made some awesome graphics for it.

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Ryan @ryanhanrahan.bsky.social · 10/12/2024

Quite the low level jet overhead Wednesday PM. Strength of the low level inversion still a bit of a question but 50 knot gusts certainly seem possible for much of CT.

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Ryan @ryanhanrahan.bsky.social · 09/12/2024

Cold Air Damming season is here!

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Ryan @ryanhanrahan.bsky.social · 05/12/2024

Not sure it's possible to make a website more complicated than www.tsunami.gov

tsunami.gov

U.S. Tsunami Warning Centers

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Ryan @ryanhanrahan.bsky.social · 27/11/2024

Love this shot from Hartford of some really shallow fog right over the river. Could be some black ice in a few towns tonight with temperatures near 32F.

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Ryan @ryanhanrahan.bsky.social · 27/11/2024

Close call in the NW Hills on Thursday for snow vs rain. The GFS is the coldest model and is borderline at best (925hPa temps ~0c) but it is close to some heavy, wet accumulation above 1,000ft. That said, other models like the NAM and Euro are much warmer and almost all rain.

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Ryan @ryanhanrahan.bsky.social · 26/11/2024

A heavy, wet snowstorm on Thanksgiving is looking more likely for southern VT and maybe parts of the Berkshires too. Great news for Mount Snow and Stratton! ⛷️

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Ryan @ryanhanrahan.bsky.social · 22/11/2024

A beautiful picture of this morning’s snow from R. F. Wilton along the Bantam River in Litchfield County. A slushy inch or two fell overnight in parts of western Connecticut!

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Ryan @ryanhanrahan.bsky.social · 22/11/2024

Nice looking bright band over Long Island and only about 1kft up. Change to snow will happen quickly in parts of Fairfield County.

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Ryan @ryanhanrahan.bsky.social · 21/11/2024

The Moodus Noises acting up tonight! Did you feel the quake?

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Ryan @ryanhanrahan.bsky.social · 20/11/2024

Big signal on the ECWMF for a significant snow event in NE PA on Thursday. EFI >0.9 and a SOT of nearly 5. Could be a pretty narrow band of significant accumulation.

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Anthony Masiello @antmasiello.bsky.social · 20/11/2024

You are getting sleepy. 😴 #Fibonacci

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Ryan @ryanhanrahan.bsky.social · 19/11/2024

Really interesting setup on Friday. Cold advection from the south(!) and wrap around moisture will lead to a period of snow in parts of the state. Higher elevations in western CT favored.

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Jim Steenburgh @professorpowder.bsky.social · 19/11/2024

In the past 60 yrs, we have developed satellites that can bring you imagery like this, observe radiation in wavelengths you can't see, put that data into computer models, and forecast storms like this with incredible accuracy This is what societally impactful science looks like

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Ryan @ryanhanrahan.bsky.social · 19/11/2024

GEFS showing good odds (25th to 75th percentile) of 0.75"-1.50" of precipitation for this week's storm. Typically this wouldn't be particularly excited but since September 1st we've only seen 1.30" of rain in the Hartford area!

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Ryan @ryanhanrahan.bsky.social · 19/11/2024

Incredible storm developing off the Pacific Northwest. WPC has the cyclone going sub-950 hPa. Highly anomalous even for a part of the world used to intense storms.

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Ryan Stauffer @ryanswx.bsky.social · 16/11/2024

Current US year-to-date average temperature rankings. #1 is warmest on record, which includes DC: sercc.oasis.unc.edu/Map.php?regi...

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Ryan @ryanhanrahan.bsky.social · 15/11/2024

Finally an actual signal for some rain next week on Thursday.

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Ryan @ryanhanrahan.bsky.social · 15/11/2024

30 days until Snowbird and Alta. I really shouldn't be looking at this already!

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