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Tomer Burg @burgwx.bsky.social · 25/09/2026

Google DeepMind shows a 33% chance of a tropical storm. ECMWF's tropical cyclone probabilities from EPS & AIFS exceed 80%. Surely that means this nor'easter will be a tropical storm, right? Short answer... it's not that simple. Breaking down why in this technical thread 🧵

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Dakota Smith @weatherdak.bsky.social · 23/09/2026

The incredible full day, high resolution view of Hurricane Polo today.

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Kim Wood @drkimwood.bsky.social · 22/09/2026

Since 1988 when the NHC took responsibility for the eastern North Pacific, 44 hurricanes have intensified by 60+ kt in 24 hours (double the 30kt/24h threshold for RI). However, Hurricane Polo is in rare territory at +85 kt in 24 h. Only Linda (1997), Otis (2023), and Patricia (2015) outpaced this.

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hurricane-herndon.bsky.social @hurricane-herndon.bsky.social · 06/07/2026

Our feed of Tomorrow.io data from NOAA is once again active through this hurricane season. You can view the TC intensity estimates from our D-MINT algorithm that uses this data here: tropic.ssec.wisc.edu/real-time/dm...

tomorrow.io

The World’s Weather Intelligence Platform

Predict, automate, and solve your biggest weather challenges with Tomorrow.io.

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Dr. Jeff Masters @drjeffmasters.bsky.social · 06/07/2026

The latest on Super Typhoon #Bavi, still at Cat 5 strength as it heads toward a Friday encounter with northern Taiwan and/or Japan's Ryukyu Islands. yaleclimateconnections.org/2026/07/cat-...

yaleclimateconnections.org

Cat 5 Super Typhoon Bavi pounds the U.S. Northern Mariana Islands and Guam » Yale Climate Connections

Bavi is expected to gradually weaken this week and threaten northern Taiwan and Japan's Ryukyu Islands as a Category 3 storm on Friday.

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Will Weaver ⛈️ @willweatherrva.bsky.social · 17/03/2026

A closer look at the #medicane, known as Storm #Jolina or Storm #Samuel depending on the agency. (CIRA/RAMMB SLIDER)

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Brian McNoldy @bmcnoldy.bsky.social · 22/10/2025

New set of preliminary track and intensity verification stats for the 2025 Atlantic hurricane season so far, including NHC ("OFCL"), 5 hurricane models, 2 global models for track or 2 dynamical/statistical for intensity, 2 consensus, and the new Google DeepMind model's ensemble mean ("GDMI").

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hurricane-herndon.bsky.social @hurricane-herndon.bsky.social · 03/10/2025

Whoa winds at this North Sea rig associated with the bomb cyclone partly from the remnants of Humberto. METAR ENJS 032050Z 15073G94KT 1500 RA BR OVC007 13/12 Q0972 W13/S7

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hurricane-herndon.bsky.social @hurricane-herndon.bsky.social · 03/08/2025

D-PRINT now showing an intensity of 44 knots for #95L tropic.ssec.wisc.edu/real-time/DP...

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hurricane-herndon.bsky.social @hurricane-herndon.bsky.social · 27/06/2025

This really is a huge blow to our ability to monitor tropical cyclones. There are at least 5 TC algorithms we run that rely on this data to estimate the intensity and structure of TCs, including the potential for rapid intensification. The satellites are still providing quality data. Makes sense.

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hurricane-herndon.bsky.social @hurricane-herndon.bsky.social · 17/04/2025

TC #Errol has been weakening over the last several hours after undergoing extreme RI from a TS to Cat 5 in 24 hours. The shear appears light and ssts still very warm so the likely candidate is an ERC. The microwave eye is a bit larger than previously and looks disrupted perhaps supporting that.

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Chris Vagasky @coweatherman.bsky.social · 16/04/2025

And it has a significant outbreak of globally detectable lightning around the center of circulation, like Milton. Lightning data via Vaisala GLD360.

Map of Northwestern Australia and the Indonesian archipelago. A circle sits between the two countries with lots of little colored dots indicating the location of lightning detected in Cyclone Errol.

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Dakota Smith @weatherdak.bsky.social · 19/03/2025

March 2025: The Month of Dust. Neat view of dust plume stretched from Gulf Coast to Midwest.

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hurricane-herndon.bsky.social @hurricane-herndon.bsky.social · 18/03/2025

Note that we have now added OCEANSAT and HYSAT to our TC page. Nice coverage for newly designated storm 26S indicating winds of at least 35 knots.

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hurricane-herndon.bsky.social @hurricane-herndon.bsky.social · 28/02/2025

TC #Garance made a direct hit on La Reunion. Thankfully it was undergoing rapid weakening at the time and also moving steady enough to not stall over or near the island. While rainfall totals were extreme they could have been worse with a slower moving large system.

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Jay Hobgood @jayhobgood.bsky.social · 28/02/2025

Tropical Cyclone Garance dropped 469.6 mm = 18.49 inches of rain at Piton-Maido. There are reports of flooding from La Reunion.

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Météociel @meteociel.fr · 28/02/2025

La #Réunion est en Alerte Violette 🟣 alors que le Cyclone Tropical intense #Garance traverse l'île. 234 km/h viennent d'etre mesurés à Gros Piton Sainte-Rose avec un vent moyen de 166 km/h ⚠️ meteociel.fr/r/Obs_Gros_P... Nous avons aussi ajouté la lame radar pour la Réunion ⤵️

meteociel.fr

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Dr. Jeff Masters @drjeffmasters.bsky.social · 27/02/2025

World rainfall records at risk? Foc-Foc, La Réunion (elev. 2,290m or 7,513’) holds the record for 12 hours: 1.144m (45”) and 24 hours: 1.825m (71.8”), Jan. 7-8, 1966, during Cyclone Denise (low-end tropical storm with 40 mph winds). #Garance is expected to hit as a Cat 3; HAFS-A model says a Cat 4.

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hurricane-herndon.bsky.social @hurricane-herndon.bsky.social · 26/02/2025

The SHEM is very active. At one point 6 TCs at once. TC Rae is now post-tropical.

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Dr. Jeff Masters @drjeffmasters.bsky.social · 14/02/2025

Earth's 1st major landfalling tropical cyclone of 2025 was Cyclone Zelia in Western Australia. Fortunately, it hit a relatively sparsely populated area. Zelia was just the 19th Cat 4 or stronger cyclone to hit Australia since 1961. yaleclimateconnections.org/2025/02/cat-...

yaleclimateconnections.org

Cat 4 Cyclone Zelia hits Western Australia » Yale Climate Connections

Record-warm ocean temperatures helped Zelia intensify.

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Bob Henson @bhensonweather.bsky.social · 14/02/2025

We're off to the races in terms of fuel for the coming months of severe weather. The current Gulf-wide average SST of around 24C (75F) is a record for mid-Feb, and more typical of what you'd expect in late April. kouya.has.arizona.edu/tropics/SSTm...

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hurricane-herndon.bsky.social @hurricane-herndon.bsky.social · 13/02/2025

Cyclone #Zelia appears to be in the process of an Eyewall Replacement Cycle (ERC). Visible in microwave imagery (MIMIC-TC) and the radar from Port Headland.

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hurricane-herndon.bsky.social @hurricane-herndon.bsky.social · 12/02/2025

Satellite intensity estimates continue to rapidly increase for Cyclone Zelia with some now up near 90 knots with the eye trying to clear out in the infrared.

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hurricane-herndon.bsky.social @hurricane-herndon.bsky.social · 11/02/2025

Hi All, like many of you I am here trying to rebuild the networks I had on Twitter. I could use some help amplifying an opportunity for students. We are hosting a Virtual Science Fair again this year. If you have education contacts can you please share with them? cimss.ssec.wisc.edu/jpss-vsf/

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