SPC Severe Thunderstorm Watch 380

WW 380 SEVERE TSTM OK 280050Z – 280500Z


URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 380
NWS STORM PREDICTION CENTER NORMAN OK
750 PM CDT THU JUN 27 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
  A SMALL PART OF NORTHEAST OKLAHOMA

* EFFECTIVE THIS THURSDAY NIGHT FROM 750 PM UNTIL MIDNIGHT CDT.

* PRIMARY THREATS INCLUDE...
  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  A FEW LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST
SOUTHWEST OF BARTLESVILLE OKLAHOMA TO 15 MILES NORTH NORTHEAST OF
TULSA OKLAHOMA.  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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 377...WW 378...WW 379...

DISCUSSION...A SQUALL LINE WILL CONTINUE TO MOVE SEWD FROM KS INTO N
CENTRAL AND NE OK...WITH A RISK FOR DAMAGING GUSTS AND ISOLATED
LARGE HAIL FOR THE NEXT FEW HOURS.  THE EASTERN EXTENT OF THE SEVERE
WEATHER THREAT IS A BIT UNCERTAIN...AND STORMS SHOULD BEGIN TO
WEAKEN DURING THE EARLY OVERNIGHT HOURS AS THE LOW LEVELS BEGIN TO
STABILIZE.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. MEAN STORM MOTION
VECTOR 33035.


...THOMPSON

via SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0380.html