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SEL9 URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 269 NWS Storm Prediction Center Norman OK 410 PM MDT Mon May 20 2024 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Northeast Colorado Extreme northwest Kansas Extreme southwest Nebraska * Effective this Monday afternoon and evening from 410 PM until 1100 PM MDT. * Primary threats include... A couple tornadoes possible Scattered large hail and isolated very large hail events to 2.5 inches in diameter likely Scattered damaging wind gusts to 70 mph possible SUMMARY...A few supercells are expected to form this evening across northeast CO, and the storms will then move east-northeastward toward extreme southwest Nebraska and northwest Kansas through late evening/early tonight. Very large hail to 2.5 inches in diameter and severe gusts of 60-70 mph will be the main threats, though a gradual increase in low-level moisture later this evening will support the potential for a couple of tornadoes. The tornado watch area is approximately along and 90 statute miles east and west of a line from 60 miles north northwest of Akron CO to 30 miles south southwest of Akron CO. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). 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... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 26025. ...Thompson