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SEL0 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 680 NWS Storm Prediction Center Norman OK 230 PM MDT Sat Sep 21 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern New Mexico West Texas South Plains and Panhandle * Effective this Saturday afternoon and evening from 230 PM until 1000 PM MDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible Isolated damaging wind gusts to 65 mph possible A tornado or two possible SUMMARY...Severe storms are expected to develop initially across a broad north/south part of eastern New Mexico this afternoon, as well as near the New Mexico/Texas border vicinity. This includes the potential for some supercell storms. The severe thunderstorm watch area is approximately along and 105 statute miles north and south of a line from 50 miles west northwest of Roswell NM to 55 miles southeast of Amarillo TX. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU0). 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 2.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 25030. ...Guyer