URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 156 NWS Storm Prediction Center Norman OK 1240 AM CDT Sat Apr 22 2017 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Central and southern Arkansas Northern Louisiana Northwestern Mississippi East Texas * Effective this Saturday morning from 1240 AM until 800 AM 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...The severe-weather threat is forecast to diminish gradually through the reminder of the night, but may persist in pockets with clusters of thunderstorms moving eastward across the region from watch 155. Damaging wind and sporadic hail are most probable, though a tornado cannot be ruled out. The severe thunderstorm watch area is approximately along and 60 statute miles either side of a line from 15 miles south southeast of Tyler TX to 75 miles north northeast of Greenville MS. 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 155... 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 500. MEAN STORM MOTION VECTOR 27030. ...EdwardsRead more
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