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SEL0 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 620 NWS Storm Prediction Center Norman OK 450 PM MDT Tue Aug 13 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of East-central and northeastern Colorado Northwestern Kansas Southwestern Nebraska * Effective this Tuesday afternoon and Wednesday morning from 450 PM until 100 AM MDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Isolated very large hail events to 2 inches in diameter possible A tornado or two possible SUMMARY...Initially widely scattered strong-severe thunderstorms east of the Front Range should become denser in coverage and organize into one or more clusters, with increasing severe potential over the next several hours as the activity moves eastward across the High Plains, into greater moisture. The severe thunderstorm watch area is approximately along and 80 statute miles north and south of a line from 45 miles west northwest of Akron CO to 25 miles northeast of Mccook 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. && AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 27030. ...Edwards