Severe Local Storm Watch and Watch Cancellation Msg
Issued by NWS
Issued by NWS
542 WWUS20 KWNS 201921 SEL9 SPC WW 201921 COZ000-NEZ000-SDZ000-WYZ000-210100- URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 439 NWS Storm Prediction Center Norman OK 120 PM MDT Thu Jun 20 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northeast Colorado Nebraska Panhandle Southwest South Dakota Southeast Wyoming * Effective this Thursday afternoon and evening from 120 PM until 700 PM MDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 75 mph possible Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible A tornado or two possible SUMMARY...Thunderstorms will intensify this afternoon over southeast Wyoming and northeast Colorado and spread eastward through the early evening. Supercells capable of very large hail and damaging wind gusts are the main concern. An isolated tornado and/or landspout or two is also possible. The severe thunderstorm watch area is approximately along and 95 statute miles north and south of a line from 40 miles northwest of Cheyenne WY to 35 miles east northeast of Alliance NE. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). 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 438... AVIATION...A few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 27030. ...Hart