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SEL2 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 22 NWS Storm Prediction Center Norman OK 750 PM CDT Tue Mar 16 2021 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of South Central Kansas Western and North-Central Oklahoma Eastern Texas Panhandle * Effective this Tuesday night and Wednesday morning from 750 PM until 300 AM CDT. * Primary threats include... Widespread large hail and isolated very large hail events to 3 inches in diameter likely Scattered damaging wind gusts to 70 mph likely A tornado or two possible SUMMARY...Thunderstorms are expected to intensify rapidly this evening along a boundary over northwest Oklahoma and the northeast Texas Panhandle. Other isolated cells may develop slightly farther south. Storms will track northeastward across the watch, posing a risk of very large hail, damaging winds, and perhaps a tornado or two. The severe thunderstorm watch area is approximately along and 55 statute miles north and south of a line from 90 miles west of Clinton OK to Ponca City OK. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU2). 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 3 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 24035. ...Hart