#nhc — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #nhc, aggregated by home.social.
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https://www.europesays.com/africa/336348/ Tropical wave near Florida has a 30% chance of developing ##weekend #Africa #area #chance #coast #FirstDisturbance #Florida #LowPressure #LowEndChance #NewsApp #nhc #NortheasternGulf #northeastward #OnAir #PossibleArea #SmallChance #TropicalDevelopment #TropicalWave #tropics #tropicsstay #water #wpbf
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It's easy to get lost in the lull.
But do pay attention to NHC/NOAA.
El Niño intensity seems to be keeping NUMBER of hurricanes down, but they still forecast about over a dozen named storms, for the Caribbean and SE US, alone.
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OH, SHIT.
WE ARE FUCKED,
NHC NOAA is shoving LLMs into forecasting hurricanes.
We are doomed.
https://www.weather.gov/news/261102-AI-Hurricane-Forecasting
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The National Hurricane Center's #NHC Forecast Verification Report for the 2025 #Hurricane Season is published. https://www.nhc.noaa.gov/verification/pdfs/Verification_2025.pdf
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Here they are. The best of the best at the #Nhc. We got a stoolie in the top 10 with the triggered sweatshirt
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DeepMind перевершив традиційні моделі в прогнозуванні ураганів
# #AIweatherforecast #GoogleDeepmind #NHC
https://gizchina.net/2025/11/21/shi-google-deepmind-prohnozuie-uragany/ -
DeepMind перевершив традиційні моделі в прогнозуванні ураганів
# #AIweatherforecast #GoogleDeepmind #NHC
https://gizchina.net/2025/11/21/shi-google-deepmind-prohnozuie-uragany/ -
Could it be, gasp!, that this year's Atlantic hurricane season is OVER???
Oh, please, please, please be so.
There is nothing on the radar, or sat imagery suggesting some system forming, from NW Africa to the Windward islands. This is about a week past Hurricane Melissa went post-tropical.
We can always hope....
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#Melissa is now a post-tropical storm, sweeping into N Atlantic.
As of Friday, 1500UTC, it was declared a post-tropical cyclone, meaning it would be quickly dissipating, degrading through classes of tropical storm.
The damage has not yet been established.
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Melissa quickly dissipating energy, becoming less organized, approaching Cat1 hurricane, estimated to hit Bermuda as tropical storm.
https://www.nhc.noaa.gov/text/refresh/MIATCPAT3+shtml/310233.shtml
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Melissa leaving Cuba, enters Gulf of Mexico, degraded to a Cat2 tropical cyclone.
Strong wind surges still affecting the N portion of Caribbean Sea.Bahamas start to get tropical storm force winds. Bermuda should start to get strong winds by Thursday mid afternoon.
974mbar, max sustained winds 100mph/155kmh at core vortex walls.
https://www.nhc.noaa.gov/text/refresh/MIATCPAT3+shtml/291459.shtml
#Weather #HurricaneMelissa #Caribbean #GulfOfMexico #NOAA #NHC
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Hurricane Melissa's eye back to some fuzziness, no longer the perfectly defined eye.
Still a Cat4 monster.
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Tropical Cyclone Melisa crossing Jamaica NE coast.
It has dissipated considerable energy, wreaking havoc over the island.
Pressure 921mbar, max sustained winds 145mph/230kmh at core vortex walls, downgraded to Cat4
https://www.nhc.noaa.gov/text/refresh/MIATCPAT3+shtml/281150.shtml
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892mbar. 180mph max winds at core vortex walls.
Whooo-eeeeeee. Melissa just got membership in the "break 900" club, perhaps one of the five lowest pressures ( = strongest ) hurricanes on record, Atlantic side.
https://www.nhc.noaa.gov/text/refresh/MIATCPAT3+shtml/281150.shtml
#Weather #HurricaneMelissa #Caribbean #Jamaica #Haiti #Cuba #NOAA #NHC
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Kat-5-Hurrikan #MELISSA nähert sich #Jamaika und wird dort in den nächsten Stunden auf Land treffen.
Ein Flieger der Air Force Reserve Hurricane Hunter meldete um 14 Uhr (MEZ), dass sich MELISSA weiter verstärkt und nun 1-min. Mittelwinde von bis zu 290 km/h aufweist! Der Kerndruck wurde auf 896 hPa geschätzt!
Dazu rechnet das #NHC (National Hurricane Center) in Jamaika bis Mittwoch mit mehreren hundert l/m² Regen, was zu katastrophalen Stutzfluten und zahlreichen Erdrutschen führen wird. -
Kat-5-Hurrikan #MELISSA nähert sich #Jamaika und wird dort in den nächsten Stunden auf Land treffen.
Ein Flieger der Air Force Reserve Hurricane Hunter meldete um 14 Uhr (MEZ), dass sich MELISSA weiter verstärkt und nun 1-min. Mittelwinde von bis zu 290 km/h aufweist! Der Kerndruck wurde auf 896 hPa geschätzt!
Dazu rechnet das #NHC (National Hurricane Center) in Jamaika bis Mittwoch mit mehreren hundert l/m² Regen, was zu katastrophalen Stutzfluten und zahlreichen Erdrutschen führen wird. -
Melissa is, now, very much a picture perfect hurricane, 901mbar and 175mph/280kmh sustained winds at the core vortex walls.
The IR signature is scary, but it shows a slight cooling of the core vortex. This means the storm has stopped "feeding" is will hopefully start dissipating energy, as it drags over landmasses. Unfortunately, that energy will be dissipated by wrecking #Jamaica and #Haiti.
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Track of Melissa has taken the storm much more west ward than I hoped, and it's smack S off of Jamaica island. This means the ENE stream which WILL push it NE will go through the most populous area.
Latest estimates put the storm going much further NE, because the ENE stream has solidified and grown stronger, maybe due to Tropical Storm Sonia bumping a mass of air, WSW off Mexico.
https://www.nhc.noaa.gov/text/refresh/MIATCPAT3+shtml/281150.shtml?
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Tropical Storm Jerry, soon Trop Cyclone, is turning, due to top shearing, it seems.
Thankfully, Bermuda might not get dead-on hit, but still suffer edge of the vortex. Leewards and Puerto Rico may get a Trop Storm bash of rain, but most of the peak energy of the cyclone will be spent on open waters. Bermuda should get trop storm winds by late Friday evening, rain lasting until early morning Monday.
#Weather #Atlantic #Caribbean #PuertoRico #Bermuda #NOAA #NHC
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Tropical Storm Priscilla became Tropical Cyclone Priscilla
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A reminder.
NOAA/NHC employees are considered critical. Thus, they remain at work. Yes, even without pay.
It's NOT a "paid vacation" as some MAGAty douchebag reputincan alleged. It's dedication to service, and the HOPE that they will get paid, and not get their house repossessed/be evicted, children starve, etc.
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#NHC issues Tropical Cyclone Discussion (TCD) at Sep 30, 5:00 PM EDT https://mesonet.agron.iastate.edu/p.php?pid=202509302100-KNHC-WTNT44-TCDAT4
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#NHC issues Tropical Cyclone Discussion (TCD) at Sep 30, 11:00 AM EDT https://mesonet.agron.iastate.edu/p.php?pid=202509301500-KNHC-WTNT44-TCDAT4
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#NHC issues Tropical Cyclone Discussion (TCD) at Sep 30, 5:00 AM EDT https://mesonet.agron.iastate.edu/p.php?pid=202509300900-KNHC-WTNT44-TCDAT4
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#NHC issues Tropical Cyclone Discussion (TCD) at Sep 29, 11:00 PM EDT https://mesonet.agron.iastate.edu/p.php?pid=202509300300-KNHC-WTNT44-TCDAT4
