Flood watches have been issued in southern California as an atmospheric river is expected to bring heavy rain and mountain snow through the weekend. The rainfall could result in flooding and debris flows. Shown is an MRMS radar composite of southern California.
TT
November 14, 2025 at 6:54 PM
Flood watches have been issued in southern California as an atmospheric river is expected to bring heavy rain and mountain snow through the weekend. The rainfall could result in flooding and debris flows. Shown is an MRMS radar composite of southern California.
Shown is an HRRR scenario of sea level air pressure and precipitation type for California as a strong cyclone and an atmospheric river are expected to bring heavy rain and mountain snowfall, as well as high winds to parts of the state through Saturday.
TT
November 13, 2025 at 5:15 PM
Shown is an HRRR scenario of sea level air pressure and precipitation type for California as a strong cyclone and an atmospheric river are expected to bring heavy rain and mountain snowfall, as well as high winds to parts of the state through Saturday.
With the auroras making the news again, here's a GFS scenario of total cloud cover for the continental US valid 10 PM EST tonight. Blue colors indicate less cloudiness.
TT
November 12, 2025 at 5:16 PM
With the auroras making the news again, here's a GFS scenario of total cloud cover for the continental US valid 10 PM EST tonight. Blue colors indicate less cloudiness.
Air temperatures well below climatological average are expected over the next few days in the eastern US as far south as Florida. Shown here is a GFS scenario of anomaly temperature(difference of forecast temperature from climatological average) over the next few days.
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November 10, 2025 at 5:23 PM
Air temperatures well below climatological average are expected over the next few days in the eastern US as far south as Florida. Shown here is a GFS scenario of anomaly temperature(difference of forecast temperature from climatological average) over the next few days.
Shown is an ECMWF scenario of sea level air pressure in the Philippines until Sunday at 12 UTC (8 PM local) as typhoon Fung-wong(Uwan in Philippines) is expected to quickly intensify and make a landfall as a very strong typhoon on Sunday.
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November 7, 2025 at 7:39 PM
Shown is an ECMWF scenario of sea level air pressure in the Philippines until Sunday at 12 UTC (8 PM local) as typhoon Fung-wong(Uwan in Philippines) is expected to quickly intensify and make a landfall as a very strong typhoon on Sunday.
More tropical trouble in store for the Philippines. Severe Tropical Storm Fung-wong is expected to make a landfall in northern Philippines as a very strong typhoon early Monday. Shown is a comparison of EPS scenarios for the future track of Fung-wong's center of circulation.
TT
November 6, 2025 at 7:28 PM
More tropical trouble in store for the Philippines. Severe Tropical Storm Fung-wong is expected to make a landfall in northern Philippines as a very strong typhoon early Monday. Shown is a comparison of EPS scenarios for the future track of Fung-wong's center of circulation.
Shown is an NDFD forecast of total precipitation through noon CST on Friday as an atmospheric river is expected to continue bringing rainfall and mountain snow to the western US.
TT
November 5, 2025 at 7:17 PM
Shown is an NDFD forecast of total precipitation through noon CST on Friday as an atmospheric river is expected to continue bringing rainfall and mountain snow to the western US.
An atmospheric river is expected to impact the Northwest, bringing a risk of moderate to heavy rainfall and mountain snow through Wednesday. Shown is a GFS scenario of 3-hourly precipitation type and sea level pressure for 4 AM PST on Wednesday.
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November 4, 2025 at 7:27 PM
An atmospheric river is expected to impact the Northwest, bringing a risk of moderate to heavy rainfall and mountain snow through Wednesday. Shown is a GFS scenario of 3-hourly precipitation type and sea level pressure for 4 AM PST on Wednesday.
In Asia, a typhoon Kalmaegi (local name: Tino) is currently passing through the Philippines and is expected to impact Vietnam later in the week. Shown is a scenario of sea level pressure from the 12 UTC ECMWF run for the coming days.
TT
November 3, 2025 at 7:00 PM
In Asia, a typhoon Kalmaegi (local name: Tino) is currently passing through the Philippines and is expected to impact Vietnam later in the week. Shown is a scenario of sea level pressure from the 12 UTC ECMWF run for the coming days.
A sneak peek into trick and treating weather. Shown is a GFS scenario of 6 hour rain for 8 PM EDT on Friday. It will be dry across the most of the lower 48, with notable exceptions being the northeastern and the far northwestern parts of CONUS.
TT
October 30, 2025 at 7:08 PM
A sneak peek into trick and treating weather. Shown is a GFS scenario of 6 hour rain for 8 PM EDT on Friday. It will be dry across the most of the lower 48, with notable exceptions being the northeastern and the far northwestern parts of CONUS.
After a historic landfall in Jamaica, hurricane Melissa is expected to emerge again over the Caribbean in a few hours and make a landfall in Cuba tonight also as a major hurricane, then proceed towards the Bahamas.
Shown is a wind scenario from ECMWF through Thursday morning.
TT
October 28, 2025 at 6:32 PM
After a historic landfall in Jamaica, hurricane Melissa is expected to emerge again over the Caribbean in a few hours and make a landfall in Cuba tonight also as a major hurricane, then proceed towards the Bahamas.
Shown is a wind scenario from ECMWF through Thursday morning.
Category 5 hurricane Melissa is expected to make landfall in Jamaica on Tuesday as the strongest hurricane in Jamaica's recorded history. It is then expected to head towards Cuba, Turks and Caicos, Bahamas and possibly also Bermuda.
TT
October 27, 2025 at 5:34 PM
Category 5 hurricane Melissa is expected to make landfall in Jamaica on Tuesday as the strongest hurricane in Jamaica's recorded history. It is then expected to head towards Cuba, Turks and Caicos, Bahamas and possibly also Bermuda.
Slow-moving Tropical Storm Melissa is expected to bring prolonged inclement weather to Jamaica and parts of Haiti, as well as Dominican Republic while intensifying into a major hurricane by next week. Shown is a comparison of path scenarios for the center of Melissa.
TT
October 24, 2025 at 3:56 PM
Slow-moving Tropical Storm Melissa is expected to bring prolonged inclement weather to Jamaica and parts of Haiti, as well as Dominican Republic while intensifying into a major hurricane by next week. Shown is a comparison of path scenarios for the center of Melissa.
Shown is a scenario of 1 hour lightning from the 15 UTC HRRR run through Friday morning. There is a level 2 out of 5 risk of severe weather this afternoon into tonight in portions of Southern Plains.
TT
October 23, 2025 at 5:26 PM
Shown is a scenario of 1 hour lightning from the 15 UTC HRRR run through Friday morning. There is a level 2 out of 5 risk of severe weather this afternoon into tonight in portions of Southern Plains.
Track and intensity forecast of Tropical Storm Melissa continues to have significant uncertainty. A tropical storm watch is in effect for Jamaica and a hurricane watch for parts of Haiti. Preparations should be completed by Thursday.
TT
October 22, 2025 at 5:40 PM
Track and intensity forecast of Tropical Storm Melissa continues to have significant uncertainty. A tropical storm watch is in effect for Jamaica and a hurricane watch for parts of Haiti. Preparations should be completed by Thursday.
Shown is a comparison of scenarios for the future track of the center of Tropical Storm Melissa. There is a sizable uncertainty in the forecast of both track and intensity. Interests in the general region should carefully monitor future developments of Melissa.
TT
October 21, 2025 at 6:52 PM
Shown is a comparison of scenarios for the future track of the center of Tropical Storm Melissa. There is a sizable uncertainty in the forecast of both track and intensity. Interests in the general region should carefully monitor future developments of Melissa.
A windy day is unfolding across the central US, as illustrated by this wind gusts scenario from the GFS. Gusty winds are being reported quite much from border to border.
TT
October 20, 2025 at 6:14 PM
A windy day is unfolding across the central US, as illustrated by this wind gusts scenario from the GFS. Gusty winds are being reported quite much from border to border.
Shown is an HRRR scenario of 1 hour lightning for Arkansas valid at 5 PM CDT tomorrow to illustrate the possibility of scattered thunderstorms capable of causing damaging winds, hail and a few tornadoes. The SPC has highlighted a "slight" risk area in their Day 2 outlook.
TT
October 17, 2025 at 2:21 PM
Shown is an HRRR scenario of 1 hour lightning for Arkansas valid at 5 PM CDT tomorrow to illustrate the possibility of scattered thunderstorms capable of causing damaging winds, hail and a few tornadoes. The SPC has highlighted a "slight" risk area in their Day 2 outlook.
Regional radar composite is showing a region of thunderstorms stretching from Colorado through Kansas and Nebraska into South Dakota amid a marginal risk of severe weather today in parts of the High Plains. The main concerns are marginally severe hail and wind gusts.
TT
October 16, 2025 at 5:11 PM
Regional radar composite is showing a region of thunderstorms stretching from Colorado through Kansas and Nebraska into South Dakota amid a marginal risk of severe weather today in parts of the High Plains. The main concerns are marginally severe hail and wind gusts.
Heavy precipitation is currently affecting California, which manifests itself as snow at higher altitudes. Parts of Sierra Nevada Mountains could receive one to two feet of snow as a result.
TT
October 14, 2025 at 4:25 PM
Heavy precipitation is currently affecting California, which manifests itself as snow at higher altitudes. Parts of Sierra Nevada Mountains could receive one to two feet of snow as a result.
A coastal storm is bringing a range of impacts to the East Coast. Some locations could see significant coastal flooding, stormy winds, dangerous rip currents, and periods of heavy rain. Shown is a scenario of wind gusts from the 12 UTC GFS run through 7 AM CDT Tuesday.
TT
October 13, 2025 at 6:49 PM
A coastal storm is bringing a range of impacts to the East Coast. Some locations could see significant coastal flooding, stormy winds, dangerous rip currents, and periods of heavy rain. Shown is a scenario of wind gusts from the 12 UTC GFS run through 7 AM CDT Tuesday.