Tornado Watch 816

Issued

Nov 24, 2001, 5:30 AM CST (11:30 UTC)

Expired

Nov 24, 2001, 11:00 AM CST

In force

6 hr

Issued by

the Storm Prediction Center

000 
WWUS20 KWNS 241126
SEL6  
SPC WW 241121
ALZ000-LAZ000-MSZ000-241700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 816
STORM PREDICTION CENTER NORMAN OK
521 AM CST SAT NOV 24 2001

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

   EXTREME NORTHWEST ALABAMA                            
   EXTREME NORTHEAST LOUISIANA                          
   MISSISSIPPI                        

EFFECTIVE THIS SATURDAY MORNING FROM 530 AM UNTIL 1100 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 ALONG AND 65 STATUTE MILES EAST AND WEST
OF A LINE FROM 30 MILES EAST SOUTHEAST OF NATCHEZ MISSISSIPPI TO 50
MILES WEST NORTHWEST OF MUSCLE SHOALS ALABAMA.

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...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 814.  WATCH NUMBER 814 WILL NOT BE IN EFFECT AFTER 530 AM
CST.  CONTINUE...WW 815...

DISCUSSION...LINE OF STRONG/SEVERE STORMS FROM NERN LA INTO NWRN MS
IS MOVING EWD...WITH ISOLATED SUPERCELLS CONTINUING IN ADVANCE OF
THE LINE.  VAD AND WIND PROFILER DATA SHOW VERY STRONG WINDS THAT
VEER WITH HEIGHT...WITH 50-60 KT FLOW IN THE LOWEST 1-2 KM AGL. 
THREAT FOR SEVERE STORMS INCLUDING ISOLATED TORNADOES WILL CONTINUE
INTO THE MORNING HOURS.


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.


...WEISS

350,0871 312,0894 312,0915 350,0893

Tornado Watches in Mississippi, 2001Tornado Watches in Alabama, 2001Tornado Watches in Louisiana, 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.