Tornado Watch 258

Issued

May 20, 2001, 6:00 PM CDT (23:00 UTC)

Expired

May 20, 2001, 11:00 PM CDT

In force

5 hr

Issued by

the Storm Prediction Center

000 
WWUS9 KMKC 202254
SEL8  

SEL8  
MKC WW 202250
ARZ000-210400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 258
STORM PREDICTION CENTER NORMAN OK
550 PM CDT SUN MAY 20 2001

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

   ARKANSAS                           

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 600 PM UNTIL 1100
PM CDT.

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 80 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 5 MILES SOUTHWEST OF FORT SMITH ARKANSAS TO 65
MILES EAST NORTHEAST OF LITTLE ROCK ARKANSAS.

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 254...WW 255...WW
256...WW 257...

DISCUSSION...SEVERE STORMS ARE EXPECTED TO CONTINUE DEVELOPING OVER
WRN/CENTRAL AR AS SHORT WAVE TROUGH APPROACHES FROM THE WEST.  AIR
MASS IS UNSTABLE WITH SBCAPE TO 4000 J/KG...AND VAD/PROFILER WINDS
SHOW FAVORABLE SHEAR FOR SUPERCELLS AND POSSIBLE TORNADOES. 


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE W,IND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 24035.


...WEISS

;362,0942 361,0911 335,0911 340,0942;

Tornado Watches in Arkansas, 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.