URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 342 NWS Storm Prediction Center Norman OK 1145 PM CDT Tue Jul 7 2020 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Extreme northwest Minnesota Eastern North Dakota * Effective this Tuesday night and Wednesday morning from 1145 PM until 600 AM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Scattered large hail events to 1.5 inches in diameter possible SUMMARY...A well-developed bow echo near Bismarck will likely persist while moving generally eastward, and other storms continue to form to the east of the bow echo. Damaging winds will continue to be a threat through the overnight hours, while isolated large hail may occur with the stronger storms developing ahead of the bow. The severe thunderstorm watch area is approximately along and 80 statute miles east and west of a line from 55 miles north northwest of Grand Forks ND to 75 miles south southeast of Jamestown ND. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU2). 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 339...WW 340...WW 341... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 26040. ...ThompsonRead more
from SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0342.html
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