URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 321 NWS Storm Prediction Center Norman OK 1125 PM CDT Tue Jun 30 2020 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western Iowa Northeast Kansas Northwest Missouri Eastern Nebraska * Effective this Tuesday night and Wednesday morning from 1125 PM until 600 AM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...A well-organized cluster of eastward-moving storms will pose a damaging wind/some hail risk into the overnight. The severe thunderstorm watch area is approximately along and 50 statute miles east and west of a line from 10 miles north of Tekamah NE to 15 miles south of Falls City NE. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU1). 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 319...WW 320... 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 600. Mean storm motion vector 27025. ...GuyerRead more
from SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0321.html
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