Alert archive / Alabama / Tornado Watches in 2000

Tornado Watch 16

January 9, 200030 counties in Alabama; 14 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Jan 9, 2000, 10:00 PM CST for 30 counties in Alabama; 14 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jan 9, 2000, 10:00 PM CST (04:00 UTC)
Expired
Jan 10, 2000, 4:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 44 counties

Autauga County, AL, Bibb County, AL, Butler County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Clay County, AL, Cleburne County, AL, Conecuh County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Hale County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Washington County, AL, Wilcox County, AL, Clarke County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Jones County, MS, Lamar County, MS, Pearl River County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jan 9, 10:11 PM CSTSevere Thunderstorm WarningBMXPerry34 min
Jan 9, 10:23 PM CSTSevere Thunderstorm WarningBMXChilton47 min
Jan 9, 10:39 PM CSTSevere Thunderstorm WarningMOBChoctaw51 min
Jan 9, 11:01 PM CSTSevere Thunderstorm WarningMOBMarengo59 min
Jan 9, 11:03 PM CSTSevere Thunderstorm WarningBMXCoosa47 min
Jan 9, 11:10 PM CSTSevere Thunderstorm WarningBMXTalladega50 min
Jan 9, 11:19 PM CSTSevere Thunderstorm WarningBMXClay46 min
Jan 9, 11:29 PM CSTSevere Thunderstorm WarningBMXDallas46 min
Jan 9, 11:30 PM CSTFlash Flood WarningMOBChoctaw2 hr
Jan 9, 11:32 PM CSTSevere Thunderstorm WarningMOBWilcox43 min
Jan 9, 11:46 PM CSTSevere Thunderstorm WarningBMXRandolph49 min
Jan 9, 11:50 PM CSTTornado WarningBMXClay, Randolph50 min
Jan 9, 11:52 PM CSTSevere Thunderstorm WarningMOBButler53 min
Jan 9, 11:57 PM CSTSevere Thunderstorm WarningJANCovington33 min
Jan 10, 12:24 AM CSTSevere Thunderstorm WarningMOBMobile, Washington36 min
Jan 10, 12:27 AM CSTSevere Thunderstorm WarningMOBClarke63 min
Jan 10, 12:40 AM CSTSevere Thunderstorm WarningMOBBaldwin, Monroe50 min
Jan 10, 1:17 AM CSTSevere Thunderstorm WarningMOBConecuh43 min
Jan 10, 1:37 AM CSTFlash Flood WarningBHMRandolph3 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 4.0 hours before the alert went out and 178 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 2000-01-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 395 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 2000-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.1939587897117136Sfc1 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
395 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
700 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

574 
WWUS9 KMKC 100349
SEL6  
MKC WW 100349
ALZ000-MSZ000-101000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 16
STORM PREDICTION CENTER NORMAN OK
949 PM CST SUN JAN 9 2000

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

   CENTRAL AND SOUTHWEST ALABAMA                            
   SOUTHERN MISSISSIPPI                        

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1000 PM UNTIL
400 AM CST.

TORNADOES...HAIL TO 1 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 40 MILES WEST NORTHWEST OF GULFPORT
MISSISSIPPI TO 30 MILES EAST SOUTHEAST OF ANNISTON 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 ARE INCREASING ACROSS WARM SECTOR.
STRONG MOSTLY UNIDIRECTIONAL WIND FIELDS WILL SUPPORT BOW ECHO
DEVELOPMENT AND POSSIBLY ISOLATED TORNADOES.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. 
MEAN STORM MOTION VECTOR 25040.


...VESCIO

322,0852 294,0894 313,0894 342,0852

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 9, 10:30 PM CSTTornado WatchSPCBibb, Blount, Calhoun, Cherokee, Cullman, DeKalb and 20 more6 hr
Jan 10, 1:00 AM CSTTornado WatchSPCBaldwin, Barbour, Bullock, Coffee, Conecuh, Covington and 9 more5 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.