Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for Watch Status Reports.
SEL9 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 409 NWS Storm Prediction Center Norman OK 300 PM CDT Thu Jun 13 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southern Iowa Western and Central Illinois Northeast Kansas Northern Missouri Far Southeast Nebraska * Effective this Thursday afternoon and evening from 300 PM until 1000 PM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 3 inches in diameter likely Scattered damaging winds likely with isolated significant gusts to 80 mph possible A tornado or two possible SUMMARY...Intense thunderstorms are expected to develop and pose a threat for very large hail and significant severe/damaging winds this afternoon and evening. Some of the hail could be 2-3 inches in diameter, and severe winds may peak in the 70-80 mph range with any line of thunderstorms that can form and spread east-southeastward. The severe thunderstorm watch area is approximately along and 70 statute miles north and south of a line from 20 miles south southwest of Falls City NE to 40 miles east northeast of Peoria IL. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). 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 408... AVIATION...A few severe thunderstorms with hail surface and aloft to 3 inches. Extreme turbulence and surface wind gusts to 70 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 30030. ...Gleason