URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 431 NWS Storm Prediction Center Norman OK 805 PM EDT Mon Aug 10 2020 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Extreme southeastern Indiana Extreme north central Kentucky Western Ohio Lake Erie * Effective this Monday night and Tuesday morning from 805 PM until 100 AM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1 inch in diameter possible SUMMARY...A well-developed squall line will likely persist for a few more hours while moving from Indiana into western Ohio and northern Kentucky. The threat for occasional damaging gusts will likewise continue, until the storms weaken later tonight. The severe thunderstorm watch area is approximately along and 40 statute miles east and west of a line from 15 miles north northwest of Toledo OH to 50 miles south southwest of Cincinnati OH. 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 427...WW 428...WW 429...WW 430... AVIATION...A few severe thunderstorms with hail surface and aloft to 1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 28035. ...ThompsonRead more
from SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0431.html
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