Tornado Watch 41

Issued

Feb 18, 2000, 5:30 PM CST (23:30 UTC)

Expired

Feb 18, 2000, 10:00 PM CST

In force

5 hr

Issued by

the Storm Prediction Center

852 
WWUS9 KMKC 182304
SEL1  

SEL1  
MKC WW 182304
ALZ000-MSZ000-TNZ000-190400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 41
STORM PREDICTION CENTER NORMAN OK
504 PM CST FRI FEB 18 2000

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

   NORTHERN AND WEST CENTRAL ALABAMA                            
   NORTHEAST EAST CENTRAL MISSISSIPPI                        
   WESTERN AND MIDDLE TENNESSEE                          

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 530 PM UNTIL 1000
PM CST.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES EAST AND WEST
OF A LINE FROM 55 MILES SOUTH SOUTHWEST OF COLUMBUS AFB MISSISSIPPI
TO 35 MILES NORTH OF NASHVILLE TENNESSEE.

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 39...WW 40...

DISCUSSION...SEVERE THUNDERSTORMS FROM WRN TN INTO NWRN MS ARE
MOVING EWD 35-45 KT AHEAD OF COLD FRONT MOVING SEWD INTO THE LOWER
MS VALLEY.  VAD AND PROFILER WINDS VEER AND INCREASE WITH HEIGHT
EXHIBITING STRONG VERTICAL SHEAR AND HELICITY.  THIS SUGGESTS
CONTINUED POTENTIAL FOR SUPERCELL THUNDERSTORMS AND POSSIBLE
TORNADOES. 


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. 
MEAN STORM MOTION VECTOR 26045.


...WEISS

363,0852 325,0873 325,0900 363,0875

Tornado Watches in Tennessee, 2000Tornado Watches in Mississippi, 2000Tornado Watches in Alabama, 2000Every tornado watch in 2000

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.