Alert archive / Alabama / Tornado Watches in 2004

Tornado Watch 826

September 16, 200440 counties in Alabama; 15 counties in Florida; 32 counties in Georgia

The Storm Prediction Center issued this tornado watch at Sep 16, 2004, 1:10 AM CDT for 40 counties in Alabama; 15 counties in Florida; 32 counties in Georgia. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Sep 16, 2004, 1:10 AM CDT (06:10 UTC)
Expired
Sep 16, 2004, 10:00 AM CDT
In force
9 hr
Issued by
the Storm Prediction Center
All 87 counties

Autauga County, AL, Baldwin County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Butler County, AL, Chambers County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Coffee County, AL, Conecuh County, AL, Coosa County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Dallas County, AL, Elmore County, AL, Escambia County, AL, Geneva County, AL, Greene County, AL, Hale County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike County, AL, Russell County, AL, Sumter County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Washington County, AL, Wilcox County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Okaloosa County, FL, Santa Rosa County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Colquitt County, GA, Crawford County, GA, Crisp County, GA, Decatur County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Harris County, GA, Lee County, GA, Macon County, GA, Marion County, GA, Miller County, GA, Mitchell County, GA, Muscogee County, GA, Peach 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, Terrell County, GA, Thomas County, GA, Webster County, GA, Worth County, GA

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Sep 16, 1:22 AM CDTTornado WarningBMXPike28 min
Sep 16, 1:44 AM CDTTornado WarningTAEGadsden, Leon46 min
Sep 16, 1:56 AM CDTTornado WarningBMXBarbour24 min
Sep 16, 2:04 AM CDTTornado WarningBMXPike26 min
Sep 16, 2:45 AM CDTTornado WarningBMXMontgomery30 min
Sep 16, 3:41 AM CDTFlash Flood WarningMOBBaldwin3 hr
Sep 16, 4:01 AM CDTTornado WarningBMXBarbour29 min
Sep 16, 4:26 AM CDTTornado WarningTAEJefferson, Leon34 min
Sep 16, 4:34 AM CDTTornado WarningBMXRussell26 min
Sep 16, 4:49 AM CDTTornado WarningBMXMacon26 min
Sep 16, 5:13 AM CDTTornado WarningBMXElmore47 min
Sep 16, 5:34 AM CDTTornado WarningTAEEarly, Miller, Seminole26 min
Sep 16, 5:37 AM CDTFlash Flood WarningMOBEscambia, Monroe113 min
Sep 16, 6:01 AM CDTTornado WarningTAEHenry44 min
Sep 16, 6:19 AM CDTSevere Thunderstorm WarningTAEDougherty, Mitchell, Worth41 min
Sep 16, 6:23 AM CDTTornado WarningTAEDougherty, Mitchell, Worth52 min
Sep 16, 6:27 AM CDTTornado WarningTAEBay48 min
Sep 16, 6:28 AM CDTTornado WarningTAEBay, Gulf47 min
Sep 16, 6:48 AM CDTTornado WarningTAEClay, Early42 min
Sep 16, 7:00 AM CDTTornado WarningTAEBay, Calhoun, Jackson, Washington45 min
Sep 16, 7:20 AM CDTTornado WarningTAEEarly, Miller40 min
Sep 16, 7:40 AM CDTTornado WarningTAEBay, Gulf35 min
Sep 16, 8:22 AM CDTTornado WarningTAECalhoun, Clay, Early38 min
Sep 16, 8:38 AM CDTTornado WarningBMXRussell37 min
Sep 16, 8:53 AM CDTTornado WarningBMXLee37 min
Sep 16, 9:12 AM CDTTornado WarningTAEHenry, Houston48 min
Sep 16, 9:16 AM CDTTornado WarningTAEDecatur29 min
Sep 16, 9:34 AM CDTTornado WarningTAEHenry, Houston41 min
Sep 16, 9:40 AM CDTTornado WarningFFCStewart35 min
Sep 16, 9:41 AM CDTTornado WarningBMXLee34 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 6.2 hours before the alert went out and 145 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-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2004-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 95 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2004-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
95 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
648 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
251 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 160612
SEL6  
SPC WW 160610
ALZ000-FLZ000-GAZ000-CWZ000-161500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 826
NWS STORM PREDICTION CENTER NORMAN OK
210 AM EDT THU SEP 16 2004

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

       SOUTHERN AND CENTRAL ALABAMA
       FLORIDA PANHANDLE
       WESTERN GEORGIA
       COASTAL WATERS

EFFECTIVE THIS THURSDAY MORNING FROM 210 AM UNTIL 1100 AM 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 110 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 80 MILES WEST SOUTHWEST OF SELMA ALABAMA TO 5
MILES EAST NORTHEAST OF MOULTRIE 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 825. WATCH NUMBER 825 WILL NOT BE IN EFFECT AFTER 210
AM EDT. 

DISCUSSION...HURRICANE IVAN IS NOW MAKING LANDFALL NEAR MOB.  RAIN
BANDS ON EAST SIDE OF SYSTEM WILL CONTINUE TO POSE A RISK OF
ISOLATED TORNADOES THROUGH THE NIGHT AND INTO TOMORROW MORNING.

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 550.
MEAN STORM MOTION VECTOR 13030.


...HART

332,0881 324,0834 293,0834 301,0881

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 15, 8:09 PM CDTMesoscale DiscussionSPCBaldwin, Barbour, Bullock, Butler, Clarke, Coffee and 17 more2 hr
Sep 15, 10:35 PM CDTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Bullock, Chambers, Chilton and 20 more115 min
Sep 16, 2:57 AM CDTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bibb, Bullock, Butler and 33 more2 hr
Sep 16, 7:03 AM CDTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bibb, Bullock, Butler and 32 more117 min
Sep 16, 9:09 AM CDTMesoscale DiscussionSPCAutauga, Barbour, Bullock, Butler, Calhoun, Chambers and 25 more66 min
Sep 16, 9:45 AM CDTTornado WatchSPCAutauga, Barbour, Bullock, Calhoun, Chambers, Cherokee and 17 more10 hr
Sep 16, 9:50 AM CDTTornado WatchSPCCoffee, Dale, Geneva, Henry, Houston, Pike10 hr
Sep 16, 1:16 PM CDTMesoscale DiscussionSPCBarbour, Bullock, Calhoun, Chambers, Cherokee, Clay and 15 more119 min
Sep 16, 5:38 PM CDTMesoscale DiscussionSPCCalhoun, Chambers, Cherokee, Clay, Cleburne, DeKalb and 6 more2 hr
Sep 16, 5:00 AM CDTTornado WatchSPCColumbia, Dixie, Gilchrist, Hamilton, Lafayette, Madison and 2 more5 hr
Sep 16, 9:58 AM CDTMesoscale DiscussionSPCBryan, Bulloch, Burke, Candler, Chatham, Columbia and 16 more2 hr
Sep 16, 11:20 AM CDTTornado WatchSPCBryan, Bulloch, Burke, Candler, Chatham, Columbia and 19 more9 hr
Sep 16, 2:31 PM CDTMesoscale DiscussionSPCBulloch, Burke, Candler, Columbia, Effingham, Emanuel and 11 more119 min

Nearby

Tornado Watches in Alabama, 2004Tornado Watches in Georgia, 2004Tornado Watches in Florida, 2004Every tornado watch in 2004

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.