Alert archive / Georgia / Tornado Watches in 2000

Tornado Watch 794

November 9, 2000Henry County, Houston County, Alabama; 11 counties in Florida; 45 counties in Georgia

The Storm Prediction Center issued this tornado watch at Nov 9, 2000, 10:00 AM CST for Henry County, Houston County, Alabama; 11 counties in Florida; 45 counties in Georgia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Nov 9, 2000, 10:00 AM CST (16:00 UTC)
Expired: Nov 9, 2000, 3:00 PM CST
In force: 5 hr
Issued by: the Storm Prediction Center

All 58 counties

Henry County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Wakulla County, FL, Washington County, FL, Baker County, GA, Ben Hill County, GA, Bleckley County, GA, Brooks County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Crawford County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Houston County, GA, Irwin County, GA, Johnson County, GA, Laurens County, GA, Lee County, GA, Macon County, GA, Marion County, GA, Miller County, GA, Mitchell County, GA, Peach County, GA, Pulaski County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Twiggs County, GA, Webster County, GA, Wilcox County, GA, Worth County, GA

The radar

The Tallahassee radar (KTLH), 71 km from the middle of the area, began a volume at 15:59 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.

Warnings issued inside it

2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Nov 9, 10:04 AM CST	Severe Thunderstorm Warning	FFC	Chattahoochee, Stewart	41 min
Nov 9, 10:28 AM CST	Tornado Warning	FFC	Chattahoochee, Marion, Muscogee	32 min

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.0 hours before the alert went out and 72 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: 99 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 196 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

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

619 
WWUS9 KMKC 091541
SEL4  

SEL4  
WWUS9 KMKC 091535
MKC WW 091535
ALZ000-FLZ000-GAZ000-CWZ000-092100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 794
STORM PREDICTION CENTER NORMAN OK
1035 AM EST THU NOV 9 2000

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

   SOUTHEAST ALABAMA                            
   FLORIDA PANHANDLE                           
   SOUTHERN GEORGIA                            
   COASTAL WATERS                     

EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 1100 AM UNTIL
400 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 65 STATUTE MILES EAST AND WEST
OF A LINE FROM 20 MILES WEST SOUTHWEST OF APALACHICOLA FLORIDA TO
10 MILES EAST NORTHEAST OF MACON 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 793.  WATCH NUMBER 793 WILL NOT BE IN EFFECT AFTER 1100 AM
EST.

DISCUSSION...SQUALL LINE CONTINUES TO MOVE EWD INTO A VERY MOIST
AND UNSTABLE AIRMASS.  SHEAR PROFILES REMAINING FAVORABLE FOR
SUPERCELLS.  STRONG S/WV TROUGH MOVING RAPIDLY NEWD INTO TN VALLEY
ENHANCING SHEAR PROFILES ACROSS WATCH AREA. CONDITIONS EXPECTED TO
REMAIN FAVORABLE FOR ISOLATED TORNADIC SUPERCELLS WITH AND JUST
AHEAD OF SQUALL LINE.


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 23040.


...HALES

324,0822 293,0841 293,0862 324,0843

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 8, 8:00 PM CST	Tornado Watch	SPC	Choctaw, Colbert, Cullman, Fayette, Franklin, Greene and 15 more	6 hr
Nov 8, 11:30 PM CST	Tornado Watch	SPC	Autauga, Bibb, Blount, Calhoun, Cherokee, Chilton and 21 more	6 hr
Nov 9, 12:00 AM CST	Tornado Watch	SPC	Autauga, Baldwin, Butler, Choctaw, Clarke, Conecuh and 11 more	5 hr
Nov 9, 3:15 AM CST	Tornado Watch	SPC	Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 21 more	5 hr
Nov 9, 4:30 AM CST	Tornado Watch	SPC	Barbour, Butler, Coffee, Conecuh, Covington, Crenshaw and 8 more	6 hr

Nearby

Tornado Watches in Georgia, 2000 Tornado Watches in Florida, 2000 Tornado Watches in Alabama, 2000 Every tornado watch in 2000

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; radar from the NEXRAD Level II archive.