WW 557 SEVERE TSTM OK TX 272300Z – 280500Z

URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 557 NWS Storm Prediction Center Norman OK 600 PM CDT Thu Oct 27 2022 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southwest Oklahoma Western North Texas and Low Rolling Plains * Effective this Thursday night from 600 PM until Midnight CDT. * Primary threats include... Scattered large hail events to 1.5 inches in diameter possible Isolated damaging wind gusts to 60 mph possible SUMMARY...Isolated/widely scattered severe storms are expected to develop near a triple point/dryline across the Low Rolling Plains and western North Texas this evening. Although the boundary layer is not overly moist or unstable, steep lapse rates and strong winds aloft will support hail in the most robust storms, along with the possibility of strong/gusty thunderstorm winds. The severe thunderstorm watch area is approximately along and 45 statute miles east and west of a line from 40 miles north northeast of Childress TX to 45 miles east of Big Spring TX. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU7). 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 50 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 23020. ...Guyer





