Alert archive / Alabama / Tornado Watches in 2000

Tornado Watch 808

December 16, 200043 counties in Alabama; 33 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Dec 16, 2000, 10:15 AM CST for 43 counties in Alabama; 33 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Dec 16, 2000, 10:15 AM CST (16:15 UTC)
Expired
Dec 16, 2000, 4:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 76 counties

Autauga County, AL, Bibb County, AL, Blount County, AL, Butler County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Colbert County, AL, Conecuh County, AL, Coosa County, AL, Cullman County, AL, Dallas County, AL, DeKalb County, AL, Escambia County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Hale County, AL, Jackson County, AL, Jefferson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Lowndes County, AL, Madison County, AL, Marengo County, AL, Marion County, AL, Marshall County, AL, Monroe County, AL, Morgan County, AL, Perry County, AL, Pickens County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tuscaloosa County, AL, Walker County, AL, Washington County, AL, Wilcox County, AL, Winston County, AL, Alcorn County, MS, Chickasaw County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Covington County, MS, Forrest County, MS, Greene County, MS, Itawamba County, MS, Jasper County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lee County, MS, Lowndes County, MS, Marion County, MS, Monroe County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Perry County, MS, Pontotoc County, MS, Prentiss County, MS, Scott County, MS, Smith County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Wayne County, MS, Webster County, MS, Winston County, MS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Dec 16, 10:20 AM CSTTornado WarningJANClay, Oktibbeha25 min
Dec 16, 10:32 AM CSTTornado WarningMEGMonroe43 min
Dec 16, 10:58 AM CSTSevere Thunderstorm WarningJANJasper, Newton47 min
Dec 16, 11:00 AM CSTSevere Thunderstorm WarningBMXColbert, Lauderdale45 min
Dec 16, 11:17 AM CSTSevere Thunderstorm WarningBMXMarion28 min
Dec 16, 11:23 AM CSTSevere Thunderstorm WarningMEGMonroe37 min
Dec 16, 11:28 AM CSTSevere Thunderstorm WarningBMXFranklin47 min
Dec 16, 11:48 AM CSTTornado WarningBMXSumter42 min
Dec 16, 11:49 AM CSTTornado WarningBMXFranklin26 min
Dec 16, 11:51 AM CSTSevere Thunderstorm WarningMEGItawamba39 min
Dec 16, 11:54 AM CSTSevere Thunderstorm WarningBMXMarion51 min
Dec 16, 12:01 PM CSTSevere Thunderstorm WarningBMXLawrence29 min
Dec 16, 12:14 PM CSTSevere Thunderstorm WarningBMXFranklin31 min
Dec 16, 12:17 PM CSTTornado WarningBMXGreene43 min
Dec 16, 12:20 PM CSTTornado WarningBMXLawrence25 min
Dec 16, 12:26 PM CSTSevere Thunderstorm WarningBMXMadison49 min
Dec 16, 12:28 PM CSTTornado WarningBMXLimestone32 min
Dec 16, 12:39 PM CSTSevere Thunderstorm WarningMOBMarengo51 min
Dec 16, 12:40 PM CSTTornado WarningBMXTuscaloosa50 min
Dec 16, 12:58 PM CSTTornado WarningBMXPerry47 min
Dec 16, 1:09 PM CSTSevere Thunderstorm WarningJANMontgomery, Webster36 min
Dec 16, 1:14 PM CSTSevere Thunderstorm WarningBMXLimestone, Madison, Morgan46 min
Dec 16, 1:16 PM CSTSevere Thunderstorm WarningJANForrest29 min
Dec 16, 1:17 PM CSTTornado WarningBMXJefferson58 min
Dec 16, 1:24 PM CSTSevere Thunderstorm WarningBMXDallas36 min
Dec 16, 1:32 PM CSTSevere Thunderstorm WarningMOBGreene, Perry, Wayne43 min
Dec 16, 1:33 PM CSTSevere Thunderstorm WarningBMXChilton42 min
Dec 16, 1:40 PM CSTSevere Thunderstorm WarningJANClay35 min
Dec 16, 1:41 PM CSTSevere Thunderstorm WarningMEGLee34 min
Dec 16, 1:55 PM CSTSevere Thunderstorm WarningMEGItawamba35 min
Dec 16, 1:57 PM CSTTornado WarningBMXSt. Clair48 min
Dec 16, 1:59 PM CSTSevere Thunderstorm WarningBMXBlount46 min
Dec 16, 2:01 PM CSTSevere Thunderstorm WarningBMXLawrence29 min
Dec 16, 2:09 PM CSTSevere Thunderstorm WarningBMXCoosa36 min
Dec 16, 2:20 PM CSTTornado WarningBMXEtowah40 min
Dec 16, 2:26 PM CSTSevere Thunderstorm WarningBMXLimestone34 min
Dec 16, 2:28 PM CSTSevere Thunderstorm WarningJANLowndes32 min
Dec 16, 2:31 PM CSTSevere Thunderstorm WarningBMXColbert, Franklin44 min
Dec 16, 2:33 PM CSTSevere Thunderstorm WarningBMXLamar, Marion27 min
Dec 16, 2:37 PM CSTTornado WarningMOBChoctaw, Clarke, Washington23 min
Dec 16, 2:42 PM CSTSevere Thunderstorm WarningMOBGreene33 min
Dec 16, 2:51 PM CSTSevere Thunderstorm WarningBMXLauderdale24 min
Dec 16, 2:53 PM CSTSevere Thunderstorm WarningBMXHale, Perry37 min
Dec 16, 2:57 PM CSTSevere Thunderstorm WarningBMXDeKalb33 min
Dec 16, 3:02 PM CSTSevere Thunderstorm WarningBMXMarion13 min
Dec 16, 3:10 PM CSTSevere Thunderstorm WarningBMXBibb35 min
Dec 16, 3:26 PM CSTSevere Thunderstorm WarningBMXLawrence, Limestone, Morgan34 min
Dec 16, 3:37 PM CSTSevere Thunderstorm WarningBMXFayette, Walker23 min
Dec 16, 3:37 PM CSTSevere Thunderstorm WarningBMXWinston23 min
Dec 16, 3:41 PM CSTSevere Thunderstorm WarningBMXShelby49 min
Dec 16, 3:46 PM CSTSevere Thunderstorm WarningBMXCullman, Morgan44 min
Dec 16, 3:52 PM CSTSevere Thunderstorm WarningBMXMadison38 min

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 4.3 hours before the alert went out and 147 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 12:00Z on 2000-12-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2000-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 531 square meters per square second.1939587897Sfc1 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
48 J/kg
Mixed-layer CIN
-269 J/kg
Mixed-layer LCL
466 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
531 m²/s²
0-3 km storm-relative helicity
563 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

968 
WWUS9 KMKC 161644
SEL8  

SEL8  
MKC WW 161600
ALZ000-MSZ000-162200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 808
STORM PREDICTION CENTER NORMAN OK
1000 AM CST SAT DEC 16 2000

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

   WESTERN...CENTRAL AND NORTHERN ALABAMA                         
   EASTERN MISSISSIPPI                        

EFFECTIVE THIS SATURDAY MORNING AND AFTERNOON FROM 1015 AM UNTIL
400 PM CST.

 ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
 
DAMAGING TORNADOES...LARGE 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 65 MILES SOUTHEAST OF LAUREL MISSISSIPPI TO 25 MILES
NORTHEAST OF MUSCLE SHOALS 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.

DISCUSSION...THUNDERSTORMS DEVELOPING ATTM ALONG ZONE OF DEEPENING
PRE-FRONTAL CONVERGENCE EXPECTED TO INTENSIFY LATER TODAY WITH
CONTINUED INFLUX OF MOIST GULF AIR /SURFACE DEWPOINTS IN THE MID
60S/ AND MODEST SURFACE HEATING.  DEEP-LAYER SHEAR...NOW ON THE
ORDER OF 55 KTS...SHOULD FURTHER STRENGTHEN AS 100 KT MID-LEVEL
SPEED MAX NOW OVER CNTRL TX REDVELOPS EWD.  THUS...SETUP WILL BE
FAVORABLE FOR SUPERCELLS WITH BOWS AND POSSIBLE TORNADOES.  A FEW
OF THE TORNADOES COULD BECOME STRONG...ESPECIALLY INVOF WEAK BACK-
DOOR FRONT IN AL...AS LINEAR FORCING DOES NOT APPEAR TO BE EXTREME. 
     
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 22045.

...CORFIDI

345,0853 305,0864 305,0900 345,0885

N

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 16, 10:45 AM CSTTornado WatchSPCBarbour, Bullock, Chambers, Coffee, Coosa, Covington and 12 more5 hr
Dec 16, 1:30 PM CSTSevere Thunderstorm WatchSPCBaldwin, Mobile6 hr
Dec 16, 2:30 PM CSTTornado WatchSPCCalhoun, Cherokee, Clay, Cleburne, DeKalb, Etowah and 2 more4 hr
Dec 16, 4:00 PM CSTTornado WatchSPCAutauga, Bibb, Blount, Butler, Calhoun, Chambers and 38 more6 hr
Dec 16, 4:00 PM CSTTornado WatchSPCBarbour, Bullock, Chambers, Coffee, Dale, Geneva and 6 more6 hr

Nearby

Tornado Watches in Alabama, 2000Tornado Watches in Mississippi, 2000Every 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.