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SEL3 URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 273 NWS Storm Prediction Center Norman OK 855 PM CDT Mon May 20 2024 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Extreme northeast Colorado Extreme northwest Kansas Southwest Nebraska * Effective this Monday night and Tuesday morning from 855 PM until 300 AM CDT. * Primary threats include... A few tornadoes likely with a couple intense tornadoes possible Scattered damaging winds and isolated significant gusts to 80 mph likely Scattered large hail and isolated very large hail events to 3 inches in diameter likely SUMMARY...Clusters of intensifying supercells across northeast Colorado will continue eastward into Kansas/Nebraska with some potential for upscale growth tonight. The storm environment will favor all significant hazards of all types (tornadoes capable of EF2 damage, very large hail up to 3 inches in diameter, and severe outflow winds up to 80 mph). The tornado watch area is approximately along and 55 statute miles north and south of a line from 25 miles west of Imperial NE to 35 miles northeast of Mccook NE. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU3). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and 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. && OTHER WATCH INFORMATION...CONTINUE...WW 268...WW 269...WW 270...WW 271...WW 272... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 3 inches. Extreme turbulence and surface wind gusts to 70 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 27030. ...Thompson