WWUS20 KWNS 191452 SEL9 SPC WW 191452 IAZ000-NEZ000-192100- URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 599 NWS Storm Prediction Center Norman OK 950 AM CDT Wed Aug 19 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Far Southwest Iowa Central into Eastern Nebraska * Effective this Wednesday morning and afternoon from 950 AM until 400 PM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Scattered large hail events to 1.5 inches in diameter possible SUMMARY...A small cluster of severe thunderstorms is forecast to continue to move to the southeast through the Watch during the morning and into the afternoon. Some upscale growth may occur through the late morning and into the afternoon. Large hail and severe gusts 60 to 70 mph will be the primary hazards with these storms. The severe thunderstorm watch area is approximately along and 60 statute miles east and west of a line from 45 miles northeast of Burwell NE to 15 miles south southeast of Lincoln NE. 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. && 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 500. Mean storm motion vector 31025. ...Smith