Tornado Watch 820

Issued

Nov 24, 2001, 2:00 PM CST (20:00 UTC)

Expired

Nov 24, 2001, 8:00 PM CST

In force

6 hr

Issued by

the Storm Prediction Center

000 
WWUS20 KWNS 241953
SEL0  
SPC WW 241946
ALZ000-GAZ000-MSZ000-250200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 820
STORM PREDICTION CENTER NORMAN OK
146 PM CST SAT NOV 24 2001

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

SOUTHERN...CENTRAL AND EASTERN ALABAMA                            
NORTHWEST GEORGIA                            
EXTREME SOUTHEAST MISSISSIPPI                        

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 200 PM UNTIL 800
PM 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 ALONG AND 60 STATUTE MILES EAST AND WEST
OF A LINE FROM 100 MILES SOUTH SOUTHWEST OF SELMA ALABAMA TO 45
MILES NORTH NORTHEAST OF ROME GEORGIA.

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 818...WW 819...

DISCUSSION...SCATTERED SUPERCELLS...SOME TORNADIC...WILL CONTINUE
TO MOVE NEWD ACROSS CENTRAL AL IN AN AREA OF STRONG SHEAR AND
MODERATE INSTABILITY.  THE RESIDUAL WEDGE OF COOL/DRY AIR IS
ERODING ACROSS NE AL/NW GA...WHICH MAY ALLOW SOME OF THE SEVERE
STORMS TO MOVE INTO GA.  FARTHER SW...THOUGH LOW-LEVEL SHEAR
PROFILES SHOULD BECOME MORE UNIDIRECTIONAL AND WEAKEN LATER THIS
AFTERNOON...THE ENVIRONMENT WILL STILL SUPPORT A THREAT OF
SUPERCELLS AND POSSIBLY AN ISOLATED TORNADO AS FAR SW AS SE MS/SW
AL.

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 22035.


...THOMPSON

345,0834 310,0863 310,0883 345,0855

Tornado Watches in Alabama, 2001Tornado Watches in Georgia, 2001Every tornado watch in 2001

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.