Post by SKYSUMMIT on Jun 18, 2016 12:19:04 GMT -6
SEVERE THUNDERSTORM WATCH NUMBER 270
NWS STORM PREDICTION CENTER NORMAN OK
115 PM CDT SAT JUN 18 2016
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN AND SOUTHERN LOUISIANA
EAST TEXAS
COASTAL WATERS
* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 115 PM UNTIL
800 PM CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
SUMMARY...INCREASINGLY ORGANIZED AND INTENSE LINEAR CLUSTERS WILL
MOVE GENERALLY SOUTHWESTWARD ACROSS WESTERN/SOUTHERN LOUISIANA INTO
EAST TEXAS THROUGH THE AFTERNOON. THE DOWNSTREAM AIR MASS IS VERY
UNSTABLE WITH AID OF RICH LOW-LEVEL MOISTURE AND SEASONALLY COOL
MID-LEVEL TEMPERATURES. LOCALIZED WIND DAMAGE IS THE MAIN RISK.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES NORTH
NORTHEAST OF LONGVIEW TEXAS TO 35 MILES SOUTH SOUTHEAST OF LAKE
CHARLES LOUISIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
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.
&&
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 04015.
...GUYER