

174 

WWUS20 KWNS 052031

SEL2

SPC WW 052031

ALZ000-060300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 842

NWS STORM PREDICTION CENTER NORMAN OK

335 PM CDT MON SEP 5 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL ALABAMA



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 335 PM UNTIL

1000 PM 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 40 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES NORTHEAST OF ANNISTON

ALABAMA TO 40 MILES EAST OF SELMA ALABAMA.  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 838...WW 840...WW 841...



DISCUSSION...SURFACE LOW SW OF MGM WILL CONTINUE TO DEVELOP NEWD

ALONG ATTENDANT BAROCLINIC ZONE ENHANCING VERTICAL SHEAR AND

CONVERGENCE ALONG IT/S TRACK.  AS SUCH...THE POTENTIAL FOR

SUPERCELLS CAPABLE OF A COUPLE TORNADOES AND DAMAGING WINDS WILL

LIKELY PERSIST THROUGH THIS EVENING ACROSS THE WATCH AREA.



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 500.

MEAN STORM MOTION VECTOR 21030.





...MEAD

