

487 

WWUS20 KWNS 270807

SEL8

SPC WW 270807

OKZ000-TXZ000-271600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 958

NWS STORM PREDICTION CENTER NORMAN OK

205 AM CST SAT DEC 27 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHERN...CENTRAL...AND SOUTHWEST OKLAHOMA

       WESTERN NORTH TEXAS



EFFECTIVE THIS SATURDAY MORNING FROM 205 AM UNTIL 1000 AM CST.



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 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHWEST OF

BARTLESVILLE OKLAHOMA TO 25 MILES SOUTHWEST OF WICHITA FALLS

TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 955...WW 956...WW 957...



DISCUSSION...TSTMS ARE NOW FORMING ALONG COLD FRONT IN S CNTRL KS/NW

OK.  OTHER STORMS ARE FORMING ALONG TROUGH/DRY LINE EXTENDING

NNE/SSW IN WRN OK.  STORMS EXPECTED TO CONTINUE STRENGTHENING AS UVV

INCREASES WITH CONTINUED EWD MOVEMENT OF UPR VORT NOW NEAR ABQ.

AREA WIND PROFILES REMAIN FAVORABLE FOR SUSTAINED SUPERCELLS.  WITH

AT LEAST SOME OF THE STORMS EXPECTED TO REMAIN SEMI-DISCRETE...AND

WITH AMPLE BOUNDARY LAYER MOISTURE PRESENT THROUGHOUT

REGION...THREAT WILL EXIST FOR TORNADOES...IN ADDITION TO SMALL

SCALE BOWS WITH DMGG WIND GUSTS/SVR HAIL.



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 23045.





...CORFIDI



487 

WWUS20 KWNS 270807

SEL8

SPC WW 270807

OKZ000-TXZ000-271600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 958

NWS STORM PREDICTION CENTER NORMAN OK

205 AM CST SAT DEC 27 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHERN...CENTRAL...AND SOUTHWEST OKLAHOMA

       WESTERN NORTH TEXAS



EFFECTIVE THIS SATURDAY MORNING FROM 205 AM UNTIL 1000 AM CST.



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 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHWEST OF

BARTLESVILLE OKLAHOMA TO 25 MILES SOUTHWEST OF WICHITA FALLS

TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 955...WW 956...WW 957...



DISCUSSION...TSTMS ARE NOW FORMING ALONG COLD FRONT IN S CNTRL KS/NW

OK.  OTHER STORMS ARE FORMING ALONG TROUGH/DRY LINE EXTENDING

NNE/SSW IN WRN OK.  STORMS EXPECTED TO CONTINUE STRENGTHENING AS UVV

INCREASES WITH CONTINUED EWD MOVEMENT OF UPR VORT NOW NEAR ABQ.

AREA WIND PROFILES REMAIN FAVORABLE FOR SUSTAINED SUPERCELLS.  WITH

AT LEAST SOME OF THE STORMS EXPECTED TO REMAIN SEMI-DISCRETE...AND

WITH AMPLE BOUNDARY LAYER MOISTURE PRESENT THROUGHOUT

REGION...THREAT WILL EXIST FOR TORNADOES...IN ADDITION TO SMALL

SCALE BOWS WITH DMGG WIND GUSTS/SVR HAIL.



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 23045.





...CORFIDI

