WW 138 SEVERE TSTM IA KS MO 232255Z - 240500Z URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 138 NWS Storm Prediction Center Norman OK 555 PM CDT Thu Apr 23 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Central Iowa Northeast Kansas Northwest Missouri * Effective this Thursday afternoon from 555 PM until Midnight CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Scattered large hail and isolated very large hail events to 2 inches in diameter possible A tornado or two possible SUMMARY...A line of intense storms extending from northeast Kansas into central Iowa will track eastward across the watch area through the evening. The strongest cells will pose a risk of damaging winds and hail. A tornado or two is also possible. The severe thunderstorm watch area is approximately along and 50 statute miles east and west of a line from 35 miles northeast of Mason City IA to 50 miles south southeast of Olathe KS. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU8). 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 134...WW 135...WW 136...WW 137... 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 25030. ...Hart Read more

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