

956 

WWUS20 KWNS 232212

SEL6

SPC WW 232212

TXZ000-240300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 706

NWS STORM PREDICTION CENTER NORMAN OK

515 PM CDT SAT OCT 23 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHEAST TEXAS



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 515 PM UNTIL

1000 PM CDT.



TORNADOES...HAIL TO 1.5 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 50 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES WEST OF TEXARKANA

ARKANSAS TO 55 MILES SOUTH SOUTHWEST OF TYLER TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU6).



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 704...WW 705...



DISCUSSION...BAND OF STORMS WITH EMBEDDED SUPERCELLS WILL CONTINUE

TO SPREAD EWD/NEWD ACROSS NE TX...IN ADVANCE OF AN EJECTING

SHORTWAVE TROUGH OVER CENTRAL TX.  THOUGH MOISTURE AND INSTABILITY

DIMINISH FROM WEST TO EAST TOWARD THE LA/TX BORDER...INSTABILITY AND

VERTICAL SHEAR WILL REMAIN SUFFICIENT FOR A TORNADO OR TWO...AS WELL

AS DAMAGING WINDS...FOR THE NEXT FEW HOURS.



AVIATION...TORNADOES AND 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

500. MEAN STORM MOTION VECTOR 24035.





...THOMPSON

