Tornado Watch 798

Issued

Oct 24, 2001, 1:45 PM CDT (18:45 UTC)

Expired

Oct 24, 2001, 7:00 PM CDT

In force

5 hr

Issued by

the Storm Prediction Center

The Memphis radar (KNQA), 112 km from the middle of the area, began a volume at 18:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

903 
WWUS9 KMKC 241825
SEL8  

SEL8  
MKC WW 241819
ARZ000-ILZ000-KYZ000-MOZ000-TNZ000-250000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 798
STORM PREDICTION CENTER NORMAN OK
119 PM CDT WED OCT 24 2001

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

   NORTH CENTRAL AND NORTHEAST ARKANSAS                           
   EXTREME SOUTHERN ILLINOIS                           
   WESTERN KENTUCKY                           
   SOUTHEAST MISSOURI                           
   WESTERN TENNESSEE                          

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 145 PM UNTIL
700 PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 115 STATUTE MILES EAST AND WEST
OF A LINE FROM 65 MILES WEST OF MEMPHIS TENNESSEE TO 45 MILES
NORTHEAST OF CAPE GIRARDEAU 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.

OTHER WATCH INFORMATION...  CONTINUE...WW 797...

DISCUSSION...THUNDERSTORMS ARE DEVELOPING SWD ALONG THE COLD FRONT
MOVING ACROSS SRN MO AND NRN AR.  STORMS ARE EXPECTED TO INTENSIFY
THIS AFTERNOON IN RESPONSE TO STRONG UPPER TROUGH MOVING EWD ACROSS
THE CENTRAL PLAINS.  MODERATELY UNSTABLE AIR MASS COUPLED WITH
FAVORABLE VERTICAL SHEAR INDICATES POTENTIAL FOR SUPERCELL
DEVELOPMENT...ESPECIALLY IF DISCRETE CELLS FORM AHEAD OF THE
CONVECTIVE LINE.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. 
MEAN STORM MOTION VECTOR 24040.


...WEISS

373,0865 350,0890 350,0930 373,0910

Tornado Watches in Arkansas, 2001Tornado Watches in Kentucky, 2001Tornado Watches in Missouri, 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; radar from the NEXRAD Level II archive.