Alert archive / Alabama / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 23, NWS Birmingham, AL

March 30, 2002Lamar County, Marion County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 30, 2002, 1:40 AM CST for Lamar County, Marion County, Alabama. It was in force for 50 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
Mar 30, 2002, 1:40 AM CST (07:40 UTC)
Expired
Mar 30, 2002, 2:30 AM CST
In force
50 min
Issued by
NWS Birmingham, AL
Area
Counties, with a storm outline in the text

Counties Lamar County, AL, Marion County, AL

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 30, 1:00 AM CSTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 7.7 hours before the alert went out and 168 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 2002-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1146 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 2002-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
1146 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1460 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
308 m²/s²
Significant tornado parameter
0.6
Supercell composite
6.9

Open this sounding in Storm Lab

The text

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

192 
WUUS54 KBMX 300740
SVRBHM
ALC075-093-300830-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
139 AM CST SAT MAR 30 2002

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

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

* UNTIL 230 AM CST

* AT 136 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 13 MILES WEST OF DETROIT...MOVING EAST AT 30
  MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BEAVERTON...
HAMILTON AND WESTON.

TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. BE ALERT
FOR RAPIDLY CHANGING CONDITIONS...STAY INDOORS...AWAY FROM WINDOWS
UNTIL THE STORM HAS PASSED.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1, 800, 8 5 6, 0 7 5 8.

LAT...LON 3426 8838 3397 8839 3379 8796 3428 8795

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 8:41 PM CSTSevere Thunderstorm WarningBMXFranklin34 min
Mar 29, 8:56 PM CSTSevere Thunderstorm WarningBMXLawrence64 min
Mar 29, 9:18 PM CSTSevere Thunderstorm WarningBMXMorgan57 min
Mar 29, 9:30 PM CSTSevere Thunderstorm WarningBMXFranklin45 min
Mar 29, 9:38 PM CSTTornado WarningBMXMorgan52 min
Mar 29, 9:39 PM CSTSevere Thunderstorm WarningBMXLimestone36 min
Mar 29, 9:59 PM CSTSevere Thunderstorm WarningBMXLawrence46 min
Mar 29, 10:00 PM CSTSevere Thunderstorm WarningBMXMadison45 min
Mar 29, 10:08 PM CSTTornado WarningBMXLawrence37 min
Mar 29, 10:19 PM CSTTornado WarningBMXMadison41 min
Mar 29, 10:27 PM CSTTornado WarningBMXMarshall48 min
Mar 29, 10:28 PM CSTTornado WarningBMXMorgan47 min
Mar 29, 11:10 PM CSTTornado WarningBMXCullman20 min
Mar 29, 11:11 PM CSTTornado WarningBMXMarshall34 min
Mar 29, 11:22 PM CSTTornado WarningBMXDeKalb38 min
Mar 29, 11:44 PM CSTTornado WarningBMXMarshall31 min
Mar 29, 11:55 PM CSTTornado WarningBMXDeKalb65 min
Mar 30, 12:04 AM CSTTornado WarningBMXEtowah41 min
Mar 30, 12:05 AM CSTTornado WarningBMXCherokee40 min
Mar 30, 12:45 AM CSTSevere Thunderstorm WarningBMXCherokee30 min
Mar 30, 1:39 AM CSTSevere Thunderstorm WarningBMXMarshall51 min
Mar 30, 1:45 AM CSTSevere Thunderstorm WarningBMXCullman45 min
Mar 30, 2:26 AM CSTSevere Thunderstorm WarningBMXFayette49 min
Mar 30, 2:34 AM CSTSevere Thunderstorm WarningBMXMarion26 min
Mar 30, 2:43 AM CSTSevere Thunderstorm WarningBMXWalker47 min
Mar 30, 3:16 AM CSTSevere Thunderstorm WarningBMXCullman, Winston44 min
Mar 30, 9:35 AM CSTSevere Thunderstorm WarningBMXTuscaloosa25 min
Mar 30, 9:58 AM CSTSevere Thunderstorm WarningBMXJefferson47 min
Mar 30, 10:34 AM CSTSevere Thunderstorm WarningBMXShelby41 min
Mar 30, 10:47 AM CSTSevere Thunderstorm WarningBMXJefferson38 min
Mar 30, 11:13 AM CSTSevere Thunderstorm WarningBMXShelby17 min
Mar 30, 11:18 AM CSTSevere Thunderstorm WarningBMXTalladega42 min
Mar 30, 11:45 AM CSTSevere Thunderstorm WarningBMXClay45 min
Mar 30, 12:04 PM CSTSevere Thunderstorm WarningBMXTalladega41 min
Mar 30, 12:10 PM CSTSevere Thunderstorm WarningBMXRandolph35 min
Mar 30, 12:40 PM CSTSevere Thunderstorm WarningBMXRandolph20 min
Mar 30, 2:23 PM CSTSevere Thunderstorm WarningBMXBibb37 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2002Every severe thunderstorm warning in 2002

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.