Alert archive / Alabama / Tornado Watches in 2004

Tornado Watch 897

November 24, 20044 states

The Storm Prediction Center issued this tornado watch at Nov 24, 2004, 5:20 AM CST for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Nov 24, 2004, 5:20 AM CST (11:20 UTC)
Expired
Nov 24, 2004, 11:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 31 counties

Autauga County, AL, Baldwin County, AL, Bibb County, AL, Butler County, AL, Chambers County, AL, Chilton County, AL, Clarke County, AL, Clay County, AL, Conecuh County, AL, Coosa County, AL, Covington County, AL, Crenshaw County, AL, Dallas County, AL, Elmore County, AL, Escambia County, AL, Lowndes County, AL, Macon County, AL, Mobile County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Randolph County, AL, Shelby County, AL, Tallapoosa County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Santa Rosa County, FL, Heard County, GA, George County, MS, Jackson County, MS

The radar

The Mobile radar (KMOB), 120 km from the middle of the area, began a volume at 11:19 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

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

IssuedProductOfficeCountiesLasted
Nov 24, 5:28 AM CSTTornado WarningMOBClarke, Washington, Wilcox32 min
Nov 24, 5:37 AM CSTTornado WarningBMXAutauga, Chilton, Dallas38 min
Nov 24, 5:55 AM CSTSevere Thunderstorm WarningLIXHarrison, Jackson50 min
Nov 24, 5:57 AM CSTSevere Thunderstorm WarningMOBMobile33 min
Nov 24, 6:00 AM CSTSevere Thunderstorm WarningMOBMobile30 min
Nov 24, 6:06 AM CSTTornado WarningBMXLowndes24 min
Nov 24, 6:07 AM CSTTornado WarningMOBMobile23 min
Nov 24, 6:11 AM CSTTornado WarningBMXAutauga49 min
Nov 24, 6:16 AM CSTTornado WarningMOBMonroe44 min
Nov 24, 6:19 AM CSTTornado WarningBMXChilton, Coosa26 min
Nov 24, 6:20 AM CSTFlash Flood WarningBMXShelby2 hr
Nov 24, 6:33 AM CSTSevere Thunderstorm WarningMOBMobile27 min
Nov 24, 6:41 AM CSTTornado WarningBMXElmore49 min
Nov 24, 6:41 AM CSTSevere Thunderstorm WarningLIXJackson49 min
Nov 24, 6:44 AM CSTTornado WarningBMXCoosa31 min
Nov 24, 6:49 AM CSTSevere Thunderstorm WarningMOBBaldwin41 min
Nov 24, 7:05 AM CSTTornado WarningBMXClay25 min
Nov 24, 7:06 AM CSTSevere Thunderstorm WarningBMXTallapoosa39 min
Nov 24, 7:06 AM CSTTornado WarningMOBMobile24 min
Nov 24, 7:30 AM CSTSevere Thunderstorm WarningBMXMacon, Tallapoosa30 min
Nov 24, 7:35 AM CSTSevere Thunderstorm WarningMOBBaldwin55 min
Nov 24, 7:47 AM CSTTornado WarningMOBBaldwin, Mobile58 min
Nov 24, 8:03 AM CSTSevere Thunderstorm WarningFFCCarroll, Heard42 min
Nov 24, 8:10 AM CSTTornado WarningBMXChambers, Lee35 min
Nov 24, 8:12 AM CSTFlash Flood WarningBMXBlount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 4 more4 hr
Nov 24, 8:16 AM CSTTornado WarningMOBCovington29 min
Nov 24, 8:24 AM CSTTornado WarningMOBSanta Rosa36 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, 11.3 hours before the alert went out and 197 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 2004-11-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 748 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 2004-11-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.19395878Sfc1 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
748 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
728 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
342 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

287 
WWUS20 KWNS 241121
SEL7  
SPC WW 241120
ALZ000-FLZ000-MSZ000-CWZ000-241700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 897
NWS STORM PREDICTION CENTER NORMAN OK
520 AM CST WED NOV 24 2004

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

       CENTRAL AND SOUTHERN ALABAMA
       WESTERN FLORIDA PANHANDLE
       EXTREME SOUTHERN MISSISSIPPI
       COASTAL WATERS

EFFECTIVE THIS WEDNESDAY MORNING FROM 520 AM UNTIL 1100 AM CST.

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 60 STATUTE MILES EAST AND WEST
OF A LINE FROM 75 MILES NORTH NORTHEAST OF MONTGOMERY ALABAMA TO
30 MILES SOUTH SOUTHEAST OF MOBILE ALABAMA.

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 893. WATCH NUMBER 893 WILL NOT BE IN EFFECT AFTER 520
AM CST. CONTINUE...WW 895...WW 896...

DISCUSSION...LINE OF SEVERE THUNDERSTORMS...INCLUDING EMBEDDED
TORNADIC SUPERCELLS...WILL CONTINUE TO TRACK EASTWARD THIS MORNING
ACROSS MUCH OF CENTRAL/SOUTHERN AL.  LOCAL VAD PROFILES SHOW VERY
FAVORABLE LOW LEVEL VERTICAL SHEAR FOR TORNADOES.  LINE OF STORMS
WILL ALSO POSE A THREAT OF DAMAGING WINDS ACROSS WATCH AREA.

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 24035.


...HART

331,0845 301,0870 301,0890 331,0865

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 23, 9:00 PM CSTMesoscale DiscussionSPCBlount, Colbert, Cullman, DeKalb, Etowah, Franklin and 10 more2 hr
Nov 23, 9:20 PM CSTTornado WatchSPCBlount, Colbert, Cullman, Etowah, Fayette, Franklin and 13 more7 hr
Nov 23, 11:16 PM CSTMesoscale DiscussionSPCBibb, Blount, Chilton, Choctaw, Clarke, Cullman and 14 more119 min
Nov 24, 12:30 AM CSTMesoscale DiscussionSPCAutauga, Baldwin, Bibb, Chilton, Choctaw, Clarke and 12 more30 min
Nov 24, 12:45 AM CSTTornado WatchSPCBibb, Chilton, Choctaw, Clarke, Dallas, Greene and 7 more5 hr
Nov 24, 2:43 AM CSTMesoscale DiscussionSPCChoctaw, Clarke, Greene, Hale, Marengo, Pickens and 3 more62 min
Nov 24, 3:35 AM CSTMesoscale DiscussionSPCBlount, Calhoun, Cherokee, Clay, Cleburne, Cullman and 11 more25 min
Nov 24, 3:55 AM CSTTornado WatchSPCBlount, Calhoun, Cherokee, Cleburne, Cullman, Etowah and 5 more5 hr
Nov 24, 4:57 AM CSTMesoscale DiscussionSPCAutauga, Bibb, Chilton, Choctaw, Clarke, Conecuh and 13 more63 min
Nov 24, 7:11 AM CSTMesoscale DiscussionSPCBaldwin, Barbour, Bullock, Butler, Calhoun, Chambers and 24 more64 min
Nov 24, 7:25 AM CSTTornado WatchSPCBarbour, Chambers, Lee, Russell6 hr
Nov 24, 8:03 AM CSTMesoscale DiscussionSPCBarbour, Coffee, Covington, Dale, Geneva, Henry and 2 more57 min
Nov 24, 8:30 AM CSTTornado WatchSPCCoffee, Dale, Geneva, Henry, Houston6 hr
Nov 24, 9:23 AM CSTMesoscale DiscussionSPCBarbour, Chambers, Lee, Russell97 min
Nov 24, 11:24 AM CSTMesoscale DiscussionSPCCoffee, Dale, Geneva, Henry, Houston2 hr
Nov 24, 1:50 PM CSTTornado WatchSPCBaker, Columbia, Dixie, Gilchrist, Hamilton, Jefferson and 6 more4 hr
Nov 24, 3:30 PM CSTMesoscale DiscussionSPCBaker, Citrus, Columbia, Gilchrist, Hamilton, Hernando and 4 more2 hr
Nov 24, 5:36 PM CSTMesoscale DiscussionSPCAlachua, Baker, Bradford, Citrus, Clay, Gilchrist and 3 more24 min
Nov 24, 9:40 AM CSTTornado WatchSPCBaldwin, Bleckley, Bryan, Bulloch, Burke, Candler and 40 more6 hr
Nov 24, 1:13 PM CSTMesoscale DiscussionSPCBaldwin, Bleckley, Bryan, Bulloch, Burke, Candler and 40 more2 hr
Nov 23, 6:35 PM CSTTornado WatchSPCAlcorn, Attala, Benton, Calhoun, Carroll, Chickasaw and 28 more7 hr
Nov 23, 7:53 PM CSTMesoscale DiscussionSPCAdams, Amite, Claiborne, Copiah, Franklin, Hinds and 13 more37 min
Nov 23, 8:15 PM CSTTornado WatchSPCAdams, Amite, Claiborne, Copiah, Franklin, Hinds and 15 more6 hr
Nov 23, 9:14 PM CSTMesoscale DiscussionSPCAdams, Claiborne, Franklin, Hinds, Humphreys, Issaquena and 5 more2 hr
Nov 23, 10:01 PM CSTMesoscale DiscussionSPCAdams, Amite, Claiborne, Copiah, Franklin, Issaquena and 4 more119 min
Nov 24, 1:28 AM CSTMesoscale DiscussionSPCAdams, Amite, Claiborne, Copiah, Franklin, Hinds and 14 more32 min
Nov 24, 1:45 AM CSTTornado WatchSPCAdams, Amite, Attala, Claiborne, Copiah, Franklin and 15 more4 hr
Nov 24, 2:50 AM CSTTornado WatchSPCHancock, Harrison, Jackson3 hr
Nov 24, 5:35 AM CSTMesoscale DiscussionSPCHancock, Harrison, Jackson25 min
Nov 24, 5:55 AM CSTTornado WatchSPCHarrison, Jackson2 hr
Nov 24, 10:16 AM CSTMesoscale DiscussionSPCAlcorn, Benton, Lafayette, Marshall, Prentiss, Tippah and 1 more2 hr

Nearby

Tornado Watches in Alabama, 2004Tornado Watches in Florida, 2004Tornado Watches in Mississippi, 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; radar from the NEXRAD Level II archive.