URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 176 NWS Storm Prediction Center Norman OK 535 PM CDT Sat Apr 29 2017 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northwest Arkansas Parts of eastern Oklahoma * Effective this Saturday afternoon and evening from 535 PM until 1000 PM CDT. * Primary threats include... Isolated very large hail events to 2 inches in diameter possible Isolated damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...Thunderstorms will continue through the evening along a slow-moving front from eastern Oklahoma into northwest Arkansas. Occasional large hail/damaging winds will be the main threats, but an isolated tornado cannot be ruled out with storms interacting with the boundary. The severe thunderstorm watch area is approximately along and 45 statute miles east and west of a line from 20 miles northeast of Harrison AR to 40 miles south southwest of Poteau OK. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). 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 174...WW 175... 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 550. Mean storm motion vector 22030. ...ThompsonRead more
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