Tornado Watch 263

Issued

May 6, 2003, 7:40 AM CDT (12:40 UTC)

Expired

May 6, 2003, 1:00 PM CDT

In force

5 hr

Issued by

the Storm Prediction Center

• Mesoscale Discussion 781May 6, 5:06 AM CDT
• Mesoscale Discussion 786May 6, 10:26 AM CDT
• Mesoscale Discussion 791May 6, 12:15 PM CDT

000 
WWUS20 KWNS 061238
SEL3  
SPC WW 061240
ALZ000-MSZ000-TNZ000-061800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 263 
NWS STORM PREDICTION CENTER NORMAN OK 
740 AM CDT TUE MAY 6 2003

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

       NORTHERN ALABAMA
       NORTHEAST MISSISSIPPI
       WEST AND MIDDLE TENNESSEE

EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 740 AM UNTIL 100
PM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 55 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 105 STATUTE MILES EAST AND
WEST OF A LINE FROM 85 MILES NORTH NORTHEAST OF MUSCLE SHOALS
ALABAMA TO 65 MILES WEST SOUTHWEST OF GADSDEN ALABAMA.

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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 262. WATCH NUMBER 262 WILL NOT BE IN EFFECT AFTER 740
AM CDT. 


DISCUSSION...POTENTIAL FOR ISOLATED TORNADOES WILL CONTINUE INVOF
EXISTING MCS.  THREAT SHOULD BE GREATEST ACROSS NRN AL AND PARTS OF
SRN MIDDLE TN...WHERE LOW LEVEL SHEAR AND MOISTURE INFLUX WILL BE
GREATEST.  POTENTIAL WILL ALSO EXIST FOR BACK-BUILDING STORMS INTO W
TN...WHERE GREATEST THREAT APPEARS TO BE HAIL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 24040.


...CORFIDI

355,0850 333,0851 333,0885 355,0885

Tornado Watches in Tennessee, 2003Tornado Watches in Alabama, 2003Tornado Watches in Mississippi, 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.