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SEL4 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 454 NWS Storm Prediction Center Norman OK 740 PM CDT Fri Aug 20 2021 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northeast Kansas Northwest Missouri * Effective this Friday night and Saturday morning from 740 PM until 200 AM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible SUMMARY...Storms have congealed into a linear structure across northeast Kansas, and these storms are expected to persist while spreading into northwest Missouri through the early overnight hours. The strongest embedded storms/bowing segments will be capable of producing damaging outflow gusts of 60-70 mph. The severe thunderstorm watch area is approximately along and 50 statute miles east and west of a line from 60 miles north northeast of Saint Joseph MO to 35 miles southwest of Olathe KS. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU4). 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 451...WW 452...WW 453... AVIATION...A few severe thunderstorms with hail surface and aloft to 0.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 600. Mean storm motion vector 28025. ...Thompson