Alert archive / Alabama / Tornado Watches in 2000

Tornado Watch 149

April 2, 200032 counties in Alabama; 5 counties in Georgia

The Storm Prediction Center issued this tornado watch at Apr 2, 2000, 10:00 PM CDT for 32 counties in Alabama; 5 counties in Georgia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 2, 2000, 10:00 PM CDT (03:00 UTC)
Expired
Apr 3, 2000, 4:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 37 counties

Autauga County, AL, Barbour County, AL, Blount County, AL, Bullock County, AL, Butler County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coffee County, AL, Conecuh County, AL, Coosa County, AL, Crenshaw County, AL, Cullman County, AL, Dale County, AL, Elmore County, AL, Etowah County, AL, Henry County, AL, Jefferson County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Carroll County, GA, Haralson County, GA, Heard County, GA, Polk County, GA, Troup County, GA

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 2, 10:13 PM CDTTornado WarningBMXSt. Clair62 min
Apr 2, 10:48 PM CDTSevere Thunderstorm WarningBMXCherokee27 min
Apr 2, 10:48 PM CDTSevere Thunderstorm WarningFFCBartow, Polk27 min
Apr 2, 11:41 PM CDTSevere Thunderstorm WarningBMXChilton34 min
Apr 2, 11:47 PM CDTSevere Thunderstorm WarningBMXCalhoun43 min
Apr 3, 12:04 AM CDTSevere Thunderstorm WarningBMXClay, Cleburne41 min
Apr 3, 12:18 AM CDTTornado WarningBMXCalhoun27 min
Apr 3, 12:21 AM CDTTornado WarningBMXCherokee29 min
Apr 3, 12:31 AM CDTSevere Thunderstorm WarningBMXCoosa, Tallapoosa44 min
Apr 3, 12:41 AM CDTSevere Thunderstorm WarningBMXClay, Randolph39 min
Apr 3, 12:47 AM CDTSevere Thunderstorm WarningFFCFloyd, Polk28 min
Apr 3, 1:19 AM CDTFlash Flood WarningFFCBartow, Floyd, Paulding, Polk56 min

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 3.0 hours before the alert went out and 88 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 2000-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 430 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 2000-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 851 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
430 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
982 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
851 m²/s²
0-3 km storm-relative helicity
851 m²/s²
Significant tornado parameter
2.3
Supercell composite
21.3

Open this sounding in Storm Lab

The text

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

000 
WWUS9 KMKC 030249
MKC WW 030249
ALZ000-030900-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 149
STORM PREDICTION CENTER NORMAN OK
949 PM CDT SUN APR 2 2000

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

   EASTERN AND CENTRAL ALABAMA                            

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

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 15 MILES NORTH OF GADSDEN ALABAMA TO 35 MILES SOUTH
OF TROY 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...  CONTINUE...WW 146...WW 147...WW 148...

DISCUSSION...SEVERE AND TORNADIC THUNDERSTORMS CONTINUE MOVING
ALONG BOUNDARY IN MODERATELY UNTSTABLE AIR. 50 TO 60 KT MID LEVEL
FLOW WILL MAINTAIN FAVORABLE SHEAR FOR ISOLATED TORNADOES.

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.


...ROGASH

;341,0850 3612,0850 312,0870 341,0870;

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 7:30 PM CDTTornado WatchSPCChoctaw, Fayette, Greene, Hale, Marengo, Perry and 4 more7 hr
Apr 3, 2:00 AM CDTSevere Thunderstorm WatchSPCBibb, Greene, Hale, Marengo, Perry, Pickens and 3 more6 hr
Apr 3, 10:30 AM CDTTornado WatchSPCAutauga, Baldwin, Bibb, Blount, Butler, Chilton and 39 more6 hr
Apr 3, 1:30 PM CDTTornado WatchSPCChambers, Cherokee, Clay, Cleburne, Randolph, Tallapoosa7 hr
Apr 3, 3:15 PM CDTTornado WatchSPCAutauga, Baldwin, Barbour, Bullock, Butler, Coffee and 15 more5 hr
Apr 2, 11:00 PM CDTSevere Thunderstorm WatchSPCBaldwin, Banks, Barrow, Bartow, Bibb, Butts and 48 more5 hr

Nearby

Tornado Watches in Alabama, 2000Tornado Watches in Georgia, 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.