WWUS20 KWNS 311820 SEL7 SPC WW 311820 INZ000-KYZ000-OHZ000-312200- URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 137 NWS Storm Prediction Center Norman OK 225 PM EDT Thu May 31 2018 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southeast Indiana North Central Kentucky Southwest Ohio * Effective this Thursday afternoon and evening from 225 PM until 600 PM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Scattered large hail events to 1.5 inches in diameter possible SUMMARY...A fast-moving bow echo over southern Indiana will track eastward into southwest Ohio and north-central Kentucky this afternoon. Damaging winds will be possible along the leading edge of the storms. The severe thunderstorm watch area is approximately along and 55 statute miles north and south of a line from 55 miles west of Cincinnati OH to 40 miles east northeast of Cincinnati OH. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU7). 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 136... 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 500. Mean storm motion vector 26040. ...Hart