Alert archive / Alabama / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 13, NWS Birmingham, AL

February 21, 2003Lamar County, Pickens County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Feb 21, 2003, 11:42 PM CST for Lamar County, Pickens County, Alabama. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 21, 2003, 11:42 PM CST (05:42 UTC)
Expired
Feb 22, 2003, 12:30 AM CST
In force
48 min
Issued by
NWS Birmingham, AL
Area
Counties, with a storm outline in the text

Counties Lamar County, AL, Pickens County, AL

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 21, 9:30 PM CSTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 5.7 hours before the alert went out and 139 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 2003-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2003-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
186 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.

000 
WUUS54 KBMX 220542
SVRBHM
ALC075-107-220630-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1142 PM CST FRI FEB 21 2003

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAMAR COUNTY IN WEST CENTRAL ALABAMA
  PICKENS COUNTY IN WEST CENTRAL ALABAMA

* UNTIL 1230 AM CST

* AT 1139 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 8 MILES WEST OF MOLLOY TO
  MEMPHIS...MOVING EAST AT 15 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
CARROLLTON...ETHELSVILLE...KENNEDY...MILLPORT...PICKENSVILLE...REFORM
AND VERNON.

STRONG DAMAGING WIND WILL KNOCK DOWN TREES AND POWER LINES...AND
DAMAGE BUILDINGS AND HOMES. TAKE COVER NOW. FIND SUBSTANTIAL
SHELTER...AVOID WINDOWS...VEHICLES AND MOBILE HOMES.

CALL 1-800-856-0758 TO REPORT SEVERE WEATHER.

LAT...LON 3378 8837 3310 8837 3316 8801 3378 8796

$$

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 21, 9:28 PM CSTFlash Flood WarningBMXLamar, Marion3 hr
Feb 21, 11:19 PM CSTSevere Thunderstorm WarningBMXMontgomery41 min
Feb 22, 12:20 AM CSTSevere Thunderstorm WarningBMXFayette40 min
Feb 22, 12:26 AM CSTFlash Flood WarningBMXLamar, Marion, Pickens4 hr
Feb 22, 12:31 AM CSTSevere Thunderstorm WarningBMXTallapoosa44 min
Feb 22, 12:41 AM CSTSevere Thunderstorm WarningBMXAutauga34 min
Feb 22, 12:49 AM CSTSevere Thunderstorm WarningBMXElmore26 min
Feb 22, 12:49 AM CSTSevere Thunderstorm WarningBMXRandolph41 min
Feb 22, 1:09 AM CSTSevere Thunderstorm WarningBMXLamar, Marion36 min
Feb 22, 1:48 AM CSTSevere Thunderstorm WarningBMXMarion12 min
Feb 22, 2:33 AM CSTTornado WarningBMXChilton27 min
Feb 22, 2:39 AM CSTSevere Thunderstorm WarningBMXTuscaloosa, Walker36 min
Feb 22, 2:41 AM CSTSevere Thunderstorm WarningBMXTuscaloosa34 min
Feb 22, 2:55 AM CSTSevere Thunderstorm WarningBMXJefferson50 min
Feb 22, 2:59 AM CSTSevere Thunderstorm WarningBMXMontgomery31 min
Feb 22, 3:05 AM CSTSevere Thunderstorm WarningBMXShelby25 min
Feb 22, 3:21 AM CSTSevere Thunderstorm WarningBMXSt. Clair24 min
Feb 22, 3:25 AM CSTSevere Thunderstorm WarningBMXBlount35 min
Feb 22, 3:49 AM CSTTornado WarningBMXBlount, Etowah26 min
Feb 22, 4:30 AM CSTFlash Flood WarningBMXFayette, Lamar, Marion, Pickens6 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2003Every severe thunderstorm warning in 2003

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.