SPC – No watches are valid as of Sun May 4 03:25:01 UTC 2025
No watches are valid as of Sun May 4 03:25:01 UTC 2025.
Day: May 3, 2025
Photo finish not needed for muddy Kentucky Derby race
Sovereignty won the 151st Kentucky Derby on a rain-soaked track at Churchill Downs, edging out favorite Journalism in the final stretch. The win positions Sovereignty as the only contender for the Triple Crown, with the next race set to take place in Baltimore in two weeks.
A look at the omega blocking pattern that will lead to flooding concerns
The term "omega block" comes from the jet resembling the letter omega in the Greek alphabet. The stagnant pattern creates disrupts the usual zonal flow of weather systems. During the first week of May, there are expected to be two bullseyes for heavy rainfall: a region from the southern Plains to the Gulf Coast and a second region between the nationâs capital and Boston. Forecast models show a widespread 3-6" of rain across the South, while residents in the Northeast could be subject to 1-3" with isolated higher amounts over the next week.
SPC Severe Thunderstorm Watch 221
WW 221 SEVERE TSTM AL GA 032235Z – 040300Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 221 NWS Storm Prediction Center Norman OK 535 PM CDT Sat May 3 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of East central Alabama West central into north Georgia * Effective this Saturday afternoon and evening from 535 PM until 1000 PM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Scattered large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...A line of storms with a history of some wind damage will continue eastward across north Georgia this evening. Farther south, the environment does support supercells capable of producing isolated large hail up to 1.5 inches in diameter and damaging gusts of 60-70 mph. An isolated tornado or two may occur with the supercells and/or embedded circulations in the line. The severe thunderstorm watch area is approximately along and 50 statute miles east and west of a line from 75 miles north northeast of Atlanta GA to 20 miles south of Montgomery AL. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU1). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 219...WW 220... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 27030. ...Thompson
SPC Severe Thunderstorm Watch 220
WW 220 SEVERE TSTM DE MD NJ PA CW 032150Z – 040300Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 220 NWS Storm Prediction Center Norman OK 550 PM EDT Sat May 3 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern Delaware Far northeastern Maryland New Jersey East central Pennsylvania Coastal Waters * Effective this Saturday afternoon and evening from 550 PM until 1100 PM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Scattered large hail events to 1.5 inches in diameter possible SUMMARY...Scattered supercells will be possible through the evening with large hail of 1-1.5 inches in diameter and isolated wind damage. Some clustering of storms now in northern Maryland could spread into the watch area later this evening. The severe thunderstorm watch area is approximately along and 45 statute miles east and west of a line from 10 miles south of Wilmington DE to 25 miles west northwest of Newark NJ. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU0). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 218...WW 219... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 25025. ...Thompson
Watch: Baby trout signal endangered species’ recovery after California Palisades Fire burns habitat
The endangered Southern California steelhead trout appears to be rebounding after the Palisades Fire destroyed their native habitat in Los Angeles County.
See it: Massive hailstorm strikes Paris after spring heat wave
After days of temperatures in the 70s and 80s, a significant frontal boundary moved through Western Europe on Saturday, triggering severe thunderstorms. Thunderstorms dropped heavy rainfall, gusty winds and plenty of hail.
