Severe Thunderstorm Watch 8

Issued

Jan 31, 2002, 12:15 PM CST (18:15 UTC)

Expired

Jan 31, 2002, 5:00 PM CST

In force

5 hr

Issued by

the Storm Prediction Center

The Little Rock radar (KLZK), 87 km from the middle of the area, began a volume at 18:17 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.

000 
WWUS20 KWNS 311803
SEL8  
SPC WW 311758
ARZ000-MOZ000-TNZ000-312300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 8
STORM PREDICTION CENTER NORMAN OK
1158 AM CST THU JAN 31 2002

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   CENTRAL AND EASTERN ARKANSAS                           
   SOUTHEAST MISSOURI                           
   WESTERN TENNESSEE                          

EFFECTIVE THIS THURSDAY AFTERNOON FROM 1215 PM UNTIL 500 PM CST.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 70 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 50 MILES WEST SOUTHWEST OF LITTLE
ROCK ARKANSAS TO 15 MILES NORTH NORTHEAST OF DYERSBURG TENNESSEE.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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.  SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.


DISCUSSION...DEVELOPING SURFACE LOW WRN AR IN RESPONSE TO APPROACH
OF VIGOROUS TROUGH AND STRONG WIND FIELDS.  AIR MASS AHEAD OF COLD
FRONT S OF SURFACE LOW HAS BECOME MOIST AND SUFFICIENTLY UNSTABLE
TO SUPPORT DEVELOPMENT OF SEVERE THUNDERSTORMS ALONG THE COLD
FRONT.  LINE OF STRONG/SEVERE THUNDERSTORMS WILL MOVE RAPIDLY EWD
ACROSS AR AND ALSO DEVELOP NEWD AHEAD OF SURFACE LOW VICINITY OF
WARM FRONT INTO SERN MO AND WRN TN.  SHEAR PROFILES ARE SUPPORTIVE
OF ISOLATED SUPERCELLS IN WARM SECTOR AHEAD OF FRONT...HOWEVER
PRIMARY THREAT EXPECTED TO BE WIND DAMAGE.


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.  MEAN STORM
MOTION VECTOR 23040.


...HALES

352,0930 371,0891 351,0891 332,0930

WWUS20 KWNS 311803
SEL8  
SPC WW 311758
ARZ000-MOZ000-TNZ000-312300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 8
STORM PREDICTION CENTER NORMAN OK
1158 AM CST THU JAN 31 2002

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   CENTRAL AND EASTERN ARKANSAS                           
   SOUTHEAST MISSOURI                           
   WESTERN TENNESSEE                          

EFFECTIVE THIS THURSDAY AFTERNOON FROM 1215 PM UNTIL 500 PM CST.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 70 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 50 MILES WEST SOUTHWEST OF LITTLE
ROCK ARKANSAS TO 15 MILES NORTH NORTHEAST OF DYERSBURG TENNESSEE.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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.  SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.


DISCUSSION...DEVELOPING SURFACE LOW WRN AR IN RESPONSE TO APPROACH
OF VIGOROUS TROUGH AND STRONG WIND FIELDS.  AIR MASS AHEAD OF COLD
FRONT S OF SURFACE LOW HAS BECOME MOIST AND SUFFICIENTLY UNSTABLE
TO SUPPORT DEVELOPMENT OF SEVERE THUNDERSTORMS ALONG THE COLD
FRONT.  LINE OF STRONG/SEVERE THUNDERSTORMS WILL MOVE RAPIDLY EWD
ACROSS AR AND ALSO DEVELOP NEWD AHEAD OF SURFACE LOW VICINITY OF
WARM FRONT INTO SERN MO AND WRN TN.  SHEAR PROFILES ARE SUPPORTIVE
OF ISOLATED SUPERCELLS IN WARM SECTOR AHEAD OF FRONT...HOWEVER
PRIMARY THREAT EXPECTED TO BE WIND DAMAGE.


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.  MEAN STORM
MOTION VECTOR 23040.


...HALES

352,0930 371,0891 351,0891 332,0930

Severe Thunderstorm Watches in Arkansas, 2002Severe Thunderstorm Watches in Missouri, 2002Severe Thunderstorm Watches in Tennessee, 2002Every severe thunderstorm watch in 2002

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.