URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 81
NWS STORM PREDICTION CENTER NORMAN OK
610 PM CDT SUN APR 10 2016
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
PARTS OF THE MIDDLE RIO GRANDE VALLEY AND SOUTHERN EDWARDS PLATEAU
OF TEXAS
* EFFECTIVE THIS SUNDAY NIGHT FROM 610 PM UNTIL MIDNIGHT CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED LARGE HAIL AND 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...ISOLATED THUNDERSTORMS ARE DEVELOPING WEST OF DEL RIO IN
AN ENVIRONMENT SUPPORTIVE OF SUPERCELLS. THESE STORMS...AND NEW
STORMS TO THE WEST...WILL SPREAD EASTWARD ACROSS THE RIO GRANDE THIS
EVENING. LARGE HAIL WILL BE THE MAIN THREAT...THOUGH DAMAGING WINDS
WILL BE POSSIBLE LATER IF STORMS GROW INTO A LARGER CLUSTER.
ALSO...AN ISOLATED TORNADO CANNOT BE RULED OUT WITH THE INITIAL
SUPERCELLS NEAR THE RIO GRANDE LATE THIS EVENING.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES NORTH
NORTHEAST OF DEL RIO TEXAS TO 110 MILES SOUTH SOUTHEAST OF DEL
RIO TEXAS. 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 78...WW 79...WW 80...
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 27025.
...THOMPSON
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