Tornado Watch 809

Issued

Sep 7, 2004, 11:55 AM EDT (15:55 UTC)

Expired

Sep 7, 2004, 7:00 PM EDT

In force

7 hr

Issued by

the Storm Prediction Center

The Columbia radar (KCAE), 46 km from the middle of the area, began a volume at 15:57 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 2183Sep 7, 11:29 AM EDT
• Mesoscale Discussion 2184Sep 7, 3:19 PM EDT
• Mesoscale Discussion 2185Sep 7, 6:07 PM EDT

000 
WWUS20 KWNS 071559
SEL9  
SPC WW 071555
GAZ000-NCZ000-SCZ000-CWZ000-072300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 809
NWS STORM PREDICTION CENTER NORMAN OK
1155 AM EDT TUE SEP 7 2004

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

       EASTERN GEORGIA
       SOUTHERN NORTH CAROLINA
       SOUTH CAROLINA
       COASTAL WATERS

EFFECTIVE THIS TUESDAY MORNING AND EVENING FROM 1155 AM UNTIL 700
PM EDT.

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 95 STATUTE MILES EAST AND WEST
OF A LINE FROM 20 MILES NORTHWEST OF CHARLOTTE NORTH CAROLINA TO
50 MILES SOUTHEAST 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 808. WATCH NUMBER 808 WILL NOT BE IN EFFECT AFTER
1155 AM EDT. 

DISCUSSION...REMNANTS OF FRANCES WILL MOVE SLOWLY NWD THIS AFTERNOON
ACROSS W CENTRAL GA.  TO THE NE OF THE CIRCULATION CENTER...A BELT
OF STRONG L0W-LEVEL WINDS/SHEAR EXTENDS ACROSS ERN GA/SC.  THE
COMBINATION OF A VERY MOIST LOW-LEVEL AIR MASS AND STRONG L0W-LEVEL
SHEAR WILL SUPPORT A CONTINUED THREAT OF SUPERCELLS AND TORNADOES
WITH THE OUTER CONVECTIVE BANDS.  THE TORNADO THREAT SHOULD BE
GREATEST FOR THE NEXT FEW HOURS ACROSS SC WHERE THE SUPERCELLS
INTERACT WITH AN E-W SURFACE BOUNDARY IN THE CORRIDOR FROM ROUGHLY
CAE TO FLO...AND THE TORNADO THREAT WILL SHIFT GRADUALLY NWD TOWARD
NC THIS AFTERNOON.

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 16030.


...THOMPSON

352,0793 313,0785 313,0821 352,0825

Tornado Watches in South Carolina, 2004Tornado Watches in Georgia, 2004Tornado Watches in North Carolina, 2004Every tornado watch in 2004

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.