Tornado Watch 956

Issued

Nov 18, 2003, 1:55 AM CST (07:55 UTC)

Expired

Nov 18, 2003, 8:00 AM CST

In force

6 hr

Issued by

the Storm Prediction Center

The Little Rock radar (KLZK), 83 km from the middle of the area, began a volume at 07:59 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.

• Mesoscale Discussion 2515Nov 18, 1:29 AM CST
• Mesoscale Discussion 2517Nov 18, 4:48 AM CST

000 
WWUS20 KWNS 180801
SEL6  
SPC WW 180755
ARZ000-MOZ000-MSZ000-TNZ000-181400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 956 
NWS STORM PREDICTION CENTER NORMAN OK 
155 AM CST TUE NOV 18 2003

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

       CENTRAL AND EASTERN ARKANSAS
       THE MISSOURI BOOTHEEL
       NORTHERN AND WESTERN MISSISSIPPI
       WEST TENNESSEE

EFFECTIVE THIS TUESDAY MORNING FROM 155 AM UNTIL 800 AM CST.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 30 MILES NORTH NORTHEAST OF WALNUT RIDGE ARKANSAS
TO 45 MILES SOUTHWEST OF GREENVILLE MISSISSIPPI.

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 954...WW 955...


DISCUSSION...THREAT FOR EMBEDDED SUPERCELLS EXPECTED TO DEVELOP IN
NNE/SSW CONVECTIVE BAND ALONG VERY SLOW MOVING FRONT OVER CNTRL AR. 
OTHER SUPERCELLS MAY MOVE/DEVELOP NNEWD FROM NRN END OF CONVECTIVE
SYSTEM CROSSING LA.  SURFACE PRESSURE FALL AXIS FROM LIT TO CMI AND
LATEST PROFILER DATA OVER ERN OK/NE TX SUGGEST THAT 80+ KT SPEED MAX
ASSOCIATED WITH TX SHORTWAVE TROUGH WILL SPREAD NNE ACROSS WW AREA
DURING NEXT FEW HRS...ENHANCING DEEP SHEAR.  COUPLED WITH GRADUALLY
INCREASING LOW LEVEL MOISTURE INFLOW...SETUP COULD SUPPORT ISOLATED
TORNADOES WITH THE SUPERCELLS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 21035.


...CORFIDI

363,0891 330,0900 330,0930 363,0921

Tornado Watches in Arkansas, 2003Tornado Watches in Mississippi, 2003Tornado Watches in Tennessee, 2003Every tornado watch in 2003

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.