Tag: #weather

Preprint finds probabilistic AI models outperform ECMWF ensemble on record-breaking heat extremes

An arXiv preprint shows probabilistic AI forecasting systems outperformed ECMWF's ensemble — including on record-breaking heat — when evaluated probabilistically.

#ai, #weather, #heatwaves, #forecasting

Nor’easter to Slam NYC–New Jersey–Long Island This Weekend With Coastal Flooding and High Winds

A rapidly strengthening nor’easter is expected to hit the NYC–New Jersey–Long Island corridor this weekend, bringing damaging winds, heavy rain and coastal flooding.

#weather, #noreaster, #coastalflooding, #newyork

BEAST: Exascale Bayesian Weather Transformer Trained on JUPITER Reaches 3.96 Exaflops

A multi‑institution team trained BEAST, a Bayesian weather transformer, on JUPITER at 3.96 exaflops, producing 0.25° probabilistic forecasts; arXiv preprint.

#weather, #ai, #supercomputing, #forecasting, #exascale

Google DeepMind unveils WeatherNext 3, a higher-resolution global weather AI

Google DeepMind's WeatherNext 3 raises global forecast resolution to ~5 km, improves precipitation skill and offers datasets with mixed real-time licensing.

$GOOGL, #technology, #weather, #ai, #forecasting

WMO: El Niño firmly established and likely to intensify into a very strong event through Feb. 2027

U.N. weather agency says El Niño is strongly established, likely to intensify and persist through Feb. 2027, raising risks of heatwaves, droughts and floods.

#elnino, #climate, #weather, #wmo

Severe Thunderstorm Watch Issued for New York City Metro, Mid-Atlantic Through Midnight

The Storm Prediction Center issued a Severe Thunderstorm Watch for the New York City metro and Mid‑Atlantic, warning of damaging winds, hail and possible tornadoes.

#weather, #severeweather, #mid-atlantic, #new-york

Severe Thunderstorm Watch Issued for Washington, D.C., Region; Winds to 70 mph, Large Hail and Possible Tornadoes

Severe thunderstorm watch Thursday for Washington, D.C., central Maryland and northern Virginia warns of damaging winds up to 70 mph, 1.5-inch hail and possible tornadoes.

#weather, #thunderstorms, #severe, #washingtondc

NWS issues 'Particularly Dangerous Situation' severe thunderstorm watch for central and eastern South Dakota

A PDS severe thunderstorm watch warns of a squall line with widespread damaging winds (gusts 85–100 mph) and possible hail across central and eastern South Dakota.

#weather, #southdakota, #severeweather

Oxford preprint finds GraphCast and NeuralGCM fail basic coordinate-change tests

An Oxford preprint on arXiv reports GraphCast and NeuralGCM fail latitude/longitude flips and rotations, raising questions about physical generalization.

#ai, #weather, #climate, #ml

UN-EU Alert: Tropical Cyclone ELEVEN-26 Could Strengthen to Typhoon Before Possible Landfall in Guangdong

UN-EU crisis monitor issues orange alert as Tropical Cyclone ELEVEN-26 could reach typhoon strength before likely landfall in Guangdong, exposing about 17.2M people.

#china, #typhoon, #weather, #gdacs

Severe Thunderstorm Watch 459: Damaging Winds, Hail Threaten Northeast on July 4

Severe Thunderstorm Watch 459 warned of damaging gusts up to 75 mph and hail across the Northeast on July 4; preliminary reports show strong gusts and local damage.

#weather, #thunderstorms, #northeast, #july4

WMO: El Niño Has Developed and Could Strengthen Rapidly, Raising Odds of Heatwaves and Drought

U.N. weather agency says El Niño has developed and is likely to become a strong event this year, boosting risk of heatwaves, droughts and heavy rain.

#elnino, #climate, #weather, #wmo

Storm Prediction Center Warns of Possible Tornado Outbreak for Illinois, Indiana

NOAA’s Storm Prediction Center warns of a possible severe-weather outbreak June 17 across northern/central Illinois and northern Indiana, including tornadoes.

#weather, #severe-weather, #tornadoes, #illinois, #indiana

Sunday PDS severe thunderstorm watch for Northern Plains warns of 100 mph gusts

A 'Particularly Dangerous Situation' severe thunderstorm watch issued Sunday for parts of the Northern Plains warns of widespread damaging winds and 2-inch hail.

#weather, #severeweather, #thunderstorm, #northernplains

Severe Thunderstorm Watch Through 10 p.m. for NYC and Philadelphia; Gusts Up to 75 mph Possible

Storm Prediction Center issued a severe thunderstorm watch for New York City and Philadelphia regions through 10 p.m., warning damaging wind gusts up to 75 mph.

#weather, #thunderstorms, #severeweather, #northeast