Tornado Watch 54

Issued

Feb 25, 2000, 1:15 PM CST (19:15 UTC)

Expired

Feb 25, 2000, 7:00 PM CST

In force

6 hr

Issued by

the Storm Prediction Center

000 
WWUS9 KMKC 251849
MKC WW 251849
ARZ000-MOZ000-260100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 54
STORM PREDICTION CENTER NORMAN OK
1249 PM CST FRI FEB 25 2000

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

   WESTERN AND CENTRAL ARKANSAS                           
   SOUTHWESTERN MISSOURI                           

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 115 PM UNTIL 700
PM CST.

TORNADOES...HAIL TO 1 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 35 MILES SOUTHEAST OF TEXARKANA ARKANSAS TO 50 MILES
NORTHWEST OF FORT LEONARD WOOD MISSOURI.

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...WEAK TO MODERATE INSTABILITY OVER WATCH AREA WHERE
MUCAPES RANGE FROM AROUND 500 TO 1000 J/KG. EXPECT DYNAMIC LIFTING
WILL INCREASE OVER REGION AS 120 KT UPPER JET STREAK APPROACHES
SOUTHERN PLAINS WITH ASSOCIATED COOLING ALOFT STEEPENING LAPSE
RATES. MID LEVEL FLOW WILL EXCEED 80 KT PROVIDING FAVORABLE SHEAR
FOR ISOLATED TORNADOES AND AT LEAST A FEW DAMAGING DOWNDRAFTS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 24040.

...ROGASH

;381,0914 33z0,0923 330,0943 381,0935;

Tornado Watches in Arkansas, 2000Tornado Watches in Missouri, 2000Tornado Watches in Texas, 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.