Alert archive / Alabama / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 2

January 19, 20014 states

The Storm Prediction Center issued this severe thunderstorm watch at Jan 19, 2001, 6:00 AM CST for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jan 19, 2001, 6:00 AM CST (12:00 UTC)
Expired
Jan 19, 2001, 11:00 AM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 48 counties

Autauga County, AL, Baldwin County, AL, Barbour County, AL, Bullock County, AL, Butler County, AL, Chambers County, AL, Choctaw County, AL, Clarke County, AL, Clay 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, 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, Pike County, AL, Randolph County, AL, Tallapoosa County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Holmes County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, Saint Bernard Parish, LA, Forrest County, MS, George County, MS, Greene County, MS, Harrison County, MS, Jackson County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jan 19, 6:02 AM CSTSevere Thunderstorm WarningMOBStone58 min
Jan 19, 6:17 AM CSTSevere Thunderstorm WarningMOBPerry43 min
Jan 19, 6:20 AM CSTSevere Thunderstorm WarningLIXHarrison, Jackson40 min
Jan 19, 6:28 AM CSTSevere Thunderstorm WarningMOBGeorge, Greene62 min
Jan 19, 7:02 AM CSTSevere Thunderstorm WarningMOBWashington28 min
Jan 19, 7:22 AM CSTSevere Thunderstorm WarningMOBMobile38 min
Jan 19, 7:34 AM CSTSevere Thunderstorm WarningMOBClarke41 min
Jan 19, 7:38 AM CSTSevere Thunderstorm WarningMOBBaldwin67 min
Jan 19, 7:57 AM CSTSevere Thunderstorm WarningMOBMonroe, Wilcox48 min
Jan 19, 8:24 AM CSTTornado WarningMOBOkaloosa36 min
Jan 19, 8:44 AM CSTSevere Thunderstorm WarningBMXLowndes46 min
Jan 19, 9:03 AM CSTSevere Thunderstorm WarningBMXMontgomery57 min
Jan 19, 9:12 AM CSTSevere Thunderstorm WarningBMXCoosa, Elmore33 min
Jan 19, 9:16 AM CSTTornado WarningBMXMontgomery44 min
Jan 19, 9:20 AM CSTSevere Thunderstorm WarningMOBButler, Crenshaw55 min
Jan 19, 9:25 AM CSTTornado WarningTAEGeneva, Houston35 min
Jan 19, 9:30 AM CSTTornado WarningBMXElmore45 min
Jan 19, 9:36 AM CSTTornado WarningTAEDale, Henry24 min
Jan 19, 9:37 AM CSTSevere Thunderstorm WarningMOBCovington23 min
Jan 19, 9:40 AM CSTTornado WarningBMXTallapoosa65 min
Jan 19, 9:51 AM CSTSevere Thunderstorm WarningBMXMacon39 min
Jan 19, 9:59 AM CSTSevere Thunderstorm WarningBMXRandolph61 min
Jan 19, 10:00 AM CSTSevere Thunderstorm WarningBMXChambers, Lee60 min
Jan 19, 10:02 AM CSTSevere Thunderstorm WarningMOBCovington28 min

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 0.0 hours before the alert went out and 237 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 2001-01-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 2001-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
491 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

131 
WWUS9 KMKC 191131
SEL2  

SEL2  
MKC WW 191119
ALZ000-FLZ000-MSZ000-CWZ000-191700-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 2
STORM PREDICTION CENTER NORMAN OK
519 AM CST FRI JAN 19 2001

THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR PORTIONS OF

   SOUTHERN ALABAMA                            
   WESTERN FLORIDA PANHANDLE                            
   SOUTHEASTERN MISSISSIPPI                        
   COASTAL WATERS                     

EFFECTIVE THIS FRIDAY MORNING FROM 600 AM UNTIL 1100 AM CST.

HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 100 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTH SOUTHWEST OF GULFPORT
MISSISSIPPI TO 30 MILES SOUTH SOUTHEAST OF AUBURN ALABAMA.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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 SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 1.  WATCH NUMBER 1 WILL NOT BE IN
EFFECT AFTER 600 AM CST.

DISCUSSION...UPPER LEVEL TROUGH IS BEGINNING TO TURN ENEWD FROM
SOUTH TX INCREASING THE LIFT ACROSS THE CENTRAL GULF COASTAL
STATES. THUNDERSTORMS HAVE DEVELOPED ALONG THE FRONT IN EXTREME
SERN LA AND WILL MOVE EWD AT 40-45 KT WITH AN INCREASING THREAT OF 
WIND DAMAGE. SCATTERED THUNDERSTORMS ACROSS THE NRN GULF COASTAL
WATERS WILL MOVE NEWD INTO SRN AL/WRN FL PANHANDLE NEXT FEW HOURS
WITH A THREAT OF WIND DAMAGE AND ISOLATED HAIL. 

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. 
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.  MEAN STORM MOTION
VECTOR 24045.

...IMY

312,0891 333,0851 304,0851 283,0891

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 19, 1:15 AM CSTSevere Thunderstorm WatchSPCChoctaw, Clarke, Greene, Hale, Marengo, Mobile and 4 more5 hr
Jan 19, 11:00 AM CSTSevere Thunderstorm WatchSPCBay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 8 more4 hr

Nearby

Severe Thunderstorm Watches in Alabama, 2001Severe Thunderstorm Watches in Mississippi, 2001Severe Thunderstorm Watches in Florida, 2001Every severe thunderstorm watch in 2001

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.