Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for Watch Status Reports.
SEL6 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 296 NWS Storm Prediction Center Norman OK 345 PM CDT Mon May 19 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southern Iowa Northern Missouri * Effective this Monday afternoon and evening from 345 PM until 1000 PM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter likely Scattered damaging wind gusts to 70 mph possible SUMMARY...Strong to severe thunderstorms over northern Missouri will spread northward across the watch this afternoon and evening. The strongest storms will pose a risk of large hail. The severe thunderstorm watch area is approximately along and 50 statute miles north and south of a line from 65 miles west northwest of Lamoni IA to 25 miles south of Ottumwa IA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). 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 292...WW 293...WW 294...WW 295... AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 22030. ...Hart