WATCHES: Severe Thunderstorm Watch Number 318

WWUS20 KWNS 162026
SEL8
SPC WW 162026
OKZ000-170300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 318
NWS STORM PREDICTION CENTER NORMAN OK
320 PM CDT SUN JUN 16 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
MUCH OF OKLAHOMA

* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
1000 PM CDT.

* PRIMARY THREATS INCLUDE...
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 50 MILES WEST
SOUTHWEST OF CLINTON OKLAHOMA TO 25 MILES EAST OF MUSKOGEE
OKLAHOMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).

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 316...

DISCUSSION...AS A WEAK MID-LEVEL IMPULSE CONTINUES TO SPREAD
EAST-SOUTHEASTWARD...MAINLY MULTICELLULAR STORMS ARE LIKELY TO
CONTINUE TO INCREASE/INTENSIFY THROUGH LATE AFTERNOON ACROSS MUCH OF
OK...BUT ESPECIALLY IN VICINITY OF A SUBTLE OUTFLOW BOUNDARY.
DOWNBURSTS/LOCALIZED WIND DAMAGE AND BOUTS OF MAINLY MARGINALLY
SEVERE HAIL WILL POSSIBLE AS STORMS GRADUALLY SPREAD
EAST-SOUTHEASTWARD THROUGH EARLY EVENING.

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 550. MEAN STORM
MOTION VECTOR 28020.


...GUYER

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