URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 179 NWS Storm Prediction Center Norman OK 110 AM CDT Sun Apr 30 2017 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern Arkansas Western Kentucky Far southeast Missouri Northwest Mississippi Western Tennessee * Effective this Sunday morning from 110 AM until 700 AM CDT. * Primary threats include... Isolated damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...Quasi-linear bands of strong to severe convection will continue to move northeastward overnight and pose a damaging wind risk, along with some potential for a tornado or two and/or severe hail. Within a highly sheared environment, these well-organized storms are largely favoring an area along an outflow boundary. The severe thunderstorm watch area is approximately along and 30 statute miles east and west of a line from 115 miles south of Jonesboro AR to 35 miles east northeast of Poplar Bluff MO. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). 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 178... 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 450. Mean storm motion vector 23030. ...GuyerRead more
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