Tornado Watch 64

Issued

Mar 20, 2003, 2:40 AM CST (08:40 UTC)

Expired

Mar 20, 2003, 8:00 AM CST

In force

5 hr

Issued by

the Storm Prediction Center

The Tallahassee radar (KTLH), 86 km from the middle of the area, began a volume at 08:44 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 300Mar 19, 11:52 PM CST
• Mesoscale Discussion 302Mar 20, 2:06 AM CST
• Mesoscale Discussion 304Mar 20, 5:12 AM CST

000 
WWUS20 KWNS 200840
SEL4
SPC WW 200840
FLZ000-GAZ000-SCZ000-CWZ000-201400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 64
STORM PREDICTION CENTER NORMAN OK
340 AM EST THU MAR 20 2003

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

   NORTHWEST FLORIDA                            
   SOUTHERN AND EAST CENTRAL GEORGIA                            
   SOUTHEAST SOUTH CAROLINA                     
   COASTAL WATERS                     

EFFECTIVE THIS THURSDAY MORNING FROM 340 AM UNTIL 900 AM EST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO
70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES EAST AND WEST
OF A LINE FROM 15 MILES WEST SOUTHWEST OF APALACHICOLA FLORIDA TO
75 MILES NORTH OF SAVANNAH GEORGIA.

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 62.  WATCH NUMBER 62 WILL NOT BE IN EFFECT AFTER 340 AM EST. 
CONTINUE...WW 63...

DISCUSSION...STRONG THUNDERSTORMS ARE EXPECTED TO CONTINUE MOVING
NEWD FROM THE NERN GULF OF MEXICO ACROSS NWRN FL INTO GA AND SC
THIS MORNING IN ASSOCIATION WITH UPPER LEVEL JET STREAK LIFTING
NEWD ACROSS THE NERN GULF.  AIR MASS IN WARM SECTOR IS MOIST WITH
SURFACE DEW POINTS OF 65-70 F CONTRIBUTING TO MUCAPE OF 1500 J/KG. 
AREA VAD PROFILES EXHIBIT VERY STRONG VERTICAL SHEAR/HELICITY
INDICATING POTENTIAL FOR TORNADIC SUPERCELLS TO DEVELOP.   


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH...EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. 
MEAN STORM MOTION VECTOR 23045.


...WEISS

293,0863 331,0823 331,0794 293,0835

Tornado Watches in Georgia, 2003Tornado Watches in Florida, 2003Tornado Watches in South Carolina, 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.