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SEL0 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 270 NWS Storm Prediction Center Norman OK 415 PM MDT Mon May 20 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southwest Nebraska Panhandle Southeast Wyoming * Effective this Monday afternoon and evening from 415 PM until 1100 PM MDT. * Primary threats include... Scattered large hail events to 1.5 inches in diameter possible Isolated damaging wind gusts to 70 mph possible SUMMARY...Scattered severe storms are expected to from and spread east-northeastward across southeast Wyoming and the southwest Nebraska Panhandle, with the primary threats of hail 1-1.5 inches in diameter and severe gusts of 60-70 mph. The severe thunderstorm watch area is approximately along and 70 statute miles east and west of a line from 15 miles west northwest of Scottsbluff NE to 45 miles west of Sidney NE. 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. && OTHER WATCH INFORMATION...CONTINUE...WW 268...WW 269... 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 450. Mean storm motion vector 25025. ...Thompson