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WWUS20 KWNS 080047

SEL2

SPC WW 080047

TXZ000-080700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 872

NWS STORM PREDICTION CENTER NORMAN OK

645 PM CST MON NOV 7 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTH CENTRAL AND NORTHEAST TEXAS



EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 645 PM UNTIL

100 AM CST.



TORNADOES...HAIL TO 1.8 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 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTH SOUTHWEST OF

WACO TEXAS TO 25 MILES NORTHWEST OF PARIS TEXAS.  FOR A COMPLETE

DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE

(WOUS64 KWNS WOU2).



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 870...WW 871...



DISCUSSION...WDLY SCTD ELEVATED SHOWERS/TSTMS THAT HAVE BEEN FORMING

ACROSS THE REGION SINCE MID TO LATE AFTN APPEAR TO HAVE BECOME MORE

NEARLY SFC-BASED IN THE PAST HOUR OR SO...PER LIGHTNING AND RADAR

REFLECTIVITY TRENDS.  STORMS LIKELY ARE FORMING IN RESPONSE TO LOW

LVL WAA/MOISTURE INFLOW THAT WILL PERSIST THROUGH EARLY TUE.

COUPLED WITH EXPECTED STRENGTHENING OF SSWLY LLJ AND CONTINUED SELY

NEAR-SFC WINDS...SETUP MAY YIELD A COUPLE STORMS CAPABLE OF

TORNADOES IN ADDITION TO LOCALLY DMGG WIND/SVR HAIL.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 1.8 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 23035.





...CORFIDI

