SEL9
SPC WW 090307
ARZ000-091000-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 649
NWS STORM PREDICTION CENTER NORMAN OK
1005 PM CDT WED SEP 8 2010
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN AND CENTRAL ARKANSAS
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1005 PM
UNTIL 500 AM CDT.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 5 MILES NORTH OF RUSSELLVILLE
ARKANSAS TO 45 MILES SOUTH SOUTHWEST OF HOT SPRINGS ARKANSAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).
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 648...
DISCUSSION...A SMALL AREA OF WRN AND CNTRL AR MAY SEE A CONTINUED
RISK FOR A TORNADO OR TWO THROUGH EARLY THU AS REGION IS GLANCED BY
LOW LVL SPEED MAX ASSOCIATED WITH NE-MOVING T.D "HERMINE." VERY
MOIST LOW LVL ENVIRONMENT AND MODERATELY BACKED FLOW INVOF WEAK
WNW/ESE WARM FRONT IN CNTRL/SRN AR WILL ENHANCE POTENTIAL FOR LOW
LVL STORM ROTATION WITH ANY ACTIVITY CONTINUING TO FORM ON ERN
FRINGE OF SSWLY LLJ.
AVIATION...TORNADOES AND 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 450.
MEAN STORM MOTION VECTOR 21030.
...CORFIDI
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