Wednesday, April 9, 2008

WATCHES: Tornado Watch Number 183

WWUS20 KWNS 100105
SEL3
SPC WW 100105
ARZ000-OKZ000-TXZ000-100800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 183
NWS STORM PREDICTION CENTER NORMAN OK
805 PM CDT WED APR 9 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

WESTERN ARKANSAS
SOUTHEAST OKLAHOMA
NORTHEAST TEXAS

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 805 PM
UNTIL 300 AM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTHEAST OF FORT
SMITH ARKANSAS TO 35 MILES SOUTH SOUTHWEST OF DE QUEEN ARKANSAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU3).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.

OTHER WATCH INFORMATION...CONTINUE...WW 179...WW 180...WW
181...WW 182...

DISCUSSION...SCATTERED INTENSE/SUPERCELL THUNDERSTORMS ARE MOVING
EASTWARD ACROSS EASTERN OK INTO WESTERN AR. THESE STORMS ARE IN
REGION OF STRONG ASCENT AHEAD OF SUB-SYNOPTIC SURFACE LOW. VERY
STRONG WIND FIELDS AND MODERATE INSTABILITY SHOULD MAINTAIN THE RISK
OF LARGE HAIL...DAMAGING WINDS...AND TORNADOES FOR SEVERAL HOURS.

AVIATION...TORNADOES AND 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 24035.


..HART

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