Severe Local Storm Watch and Watch Cancellation Msg
Issued by NWS
Issued by NWS
914 WWUS20 KWNS 172230 SEL0 SPC WW 172230 MTZ000-WYZ000-180500- URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 430 NWS Storm Prediction Center Norman OK 430 PM MDT Mon Jun 17 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southeastern Montana East-central and northeastern Wyoming * Effective this Monday afternoon and evening from 430 PM until 1100 PM MDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Isolated damaging wind gusts to 70 mph possible SUMMARY...Thunderstorms should continue to develop on the east side of higher terrain around the Bighorns and northern Laramie Range, and move northward to northeastward. Activity should cross a narrow corridor of favorable instability and shear for large hail and severe gusts to result, before weakening closer to the Dakotas border. The severe thunderstorm watch area is approximately along and 50 statute miles east and west of a line from 110 miles south of Gillette WY to 30 miles west northwest of Baker MT. 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 429... 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 500. Mean storm motion vector 21030. ...Edwards