WW 642 SEVERE TSTM OK TX 132145Z – 140400Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 642 NWS Storm Prediction Center Norman OK 445 PM CDT Sun Aug 13 2023 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western and northern Oklahoma and the eastern Oklahoma Panhandle The eastern Texas Panhandle * Effective this Sunday afternoon and evening from 445 PM until 1100 PM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Scattered large hail events to 1.5 inches in diameter possible SUMMARY...Clusters of storms will continue to form in the Texas Panhandle and spread into western and northern Oklahoma through late evening. The storm environment favors occasional severe outflow winds of 60-70 mph and isolated large hail of 1-1.5 inches in diameter. The severe thunderstorm watch area is approximately along and 85 statute miles east and west of a line from 20 miles northeast of Alva OK to 70 miles west southwest of Clinton 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. && OTHER WATCH INFORMATION...CONTINUE...WW 640...WW 641... 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 550. Mean storm motion vector 26025. ...Thompson
