Alert archive / Georgia / Tornado Watches in 2002

Tornado Watch 761

November 11, 20026 counties in Alabama; 14 counties in Florida; 30 counties in Georgia

The Storm Prediction Center issued this tornado watch at Nov 11, 2002, 6:30 AM CST for 6 counties in Alabama; 14 counties in Florida; 30 counties in Georgia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Nov 11, 2002, 6:30 AM CST (12:30 UTC)
Expired: Nov 11, 2002, 12:00 PM CST
In force: 6 hr
Issued by: the Storm Prediction Center

All 50 counties

Barbour County, AL, Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crisp County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Wilcox County, GA, Worth County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 0.5 hours before the alert went out and 84 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2254 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 481 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 181 m²/s²
0-3 km storm-relative helicity: 240 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 9.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS20 KWNS 111230
SEL1  
SPC WW 111230
ALZ000-FLZ000-GAZ000-CWZ000-111800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 761
STORM PREDICTION CENTER NORMAN OK
730 AM EST MON NOV 11 2002

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

   FAR SOUTHEAST ALABAMA                            
   FLORIDA PANHANDLE                            
   SOUTHERN GEORGIA                            
   COASTAL WATERS                     

EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 730 AM UNTIL 100
PM EST.

TORNADOES...HAIL TO 2 INCHES 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 40 MILES SOUTHEAST OF PANAMA CITY FLORIDA TO 30
MILES NORTH OF ALBANY 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 756.  WATCH NUMBER 756 WILL NOT BE IN EFFECT AFTER 730 AM
EST.  CONTINUE...WW 757...WW 758...WW 759...WW 760...

DISCUSSION...THOUGH ONGOING LINE OF STORMS CONTINUES TO WEAKEN OVER
FAR SRN AL...INSTABILITY AND SHEAR PARAMETERS REMAIN FAVORABLE FOR
ROTATING STORMS INTO FAR SERN AL/SWRN GA.  AS FURTHER DEVELOPMENT
OCCURS AHEAD OF AND NEAR LINE...THE THREAT OF TORNADOES WILL LIKELY
CONTINUE THROUGH THE LATE MORNING ACROSS WW.


AVIATION...TORNADOES AND 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 25035.


...EVANS

315,0823 294,0833 294,0864 315,0854

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 10, 7:55 PM CST	Tornado Watch	SPC	Coffee, Dale, Geneva, Henry, Houston	5 hr
Nov 10, 10:05 PM CST	Tornado Watch	SPC	Autauga, Bibb, Blount, Bullock, Butler, Calhoun and 30 more	6 hr
Nov 11, 2:10 AM CST	Tornado Watch	SPC	Baldwin, Barbour, Butler, Choctaw, Clarke, Coffee and 12 more	5 hr
Nov 11, 2:30 AM CST	Tornado Watch	SPC	Autauga, Bullock, Chambers, Clay, Coosa, Dallas and 8 more	6 hr
Nov 11, 4:40 AM CST	Tornado Watch	SPC	Baldwin, Bleckley, Burke, Candler, Columbia, Dodge and 25 more	5 hr
Nov 11, 10:05 AM CST	Severe Thunderstorm Watch	SPC	Bryan, Bulloch, Burke, Candler, Chatham, Dodge and 16 more	6 hr

Nearby

Tornado Watches in Georgia, 2002 Tornado Watches in Florida, 2002 Tornado Watches in Alabama, 2002 Every tornado watch in 2002

Sources

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.