Tornado Watch 22

Issued

Feb 16, 2001, 10:00 AM CST (16:00 UTC)

Expired

Feb 16, 2001, 3:00 PM CST

In force

5 hr

Issued by

the Storm Prediction Center

000 
WWUS9 KMKC 161547
SEL2  

SEL2  
MKC WW 161539
LAZ000-MSZ000-CWZ000-162100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 22
STORM PREDICTION CENTER NORMAN OK
939 AM CST FRI FEB 16 2001

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

   LOUISIANA                          
   CENTRAL AND SOUTHWEST MISSISSIPPI                        
   COASTAL WATERS                     

EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 1000 AM UNTIL 300
PM CST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO
80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST
OF A LINE FROM 25 MILES WEST SOUTHWEST OF INTRACOASTAL CITY
LOUISIANA TO 35 MILES EAST NORTHEAST OF GREENWOOD MISSISSIPPI.

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.


DISCUSSION...LINE OF THUNDERSTORMS IS BECOMING BETTER ORGANIZED
FROM NRN INTO SWRN LA WITH COOLING IR CLOUD TOPS AND SERIES OF BOW
ECHOES/SMALL SCALE LEWPS EVIDENT ON RADAR.  CONVECTION IS MOVING
INTO MODERATELY UNSTABLE AIR MASS WITH MUCAPE OF 1500 J/KG...AND
VAD DATA SHOW VERY STRONG LOW LEVEL SHEAR IN THE PRE-CONVECTIVE
ENVIRONMENT...SUGGESTING POTENTIAL FOR SUPERCELL DEVELOPMENT. 
SHEAR IS LIKELY ENHANCED ALONG THE FRONT FROM NERN LA INTO NERN MS. 


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH...EXTREME TURBULENCE AND SURFACE WIND
2GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. 
MEAN STORM MOTION VECTOR 23045.


...WEISS

;293,0934 334,0904 334,0881 293,0911;

Tornado Watches in Mississippi, 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.