Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 421, NWS Birmingham, AL

November 24, 2001Morgan County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Nov 24, 2001, 1:10 PM CST for Morgan County, Alabama. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 24, 2001, 1:10 PM CST (19:10 UTC)
Expired
Nov 24, 2001, 1:45 PM CST
In force
35 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Morgan County, AL

The radar

The Northeast Alabama radar (KHTX), 88 km from the middle of the area, began a volume at 19:14 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
Nov 24, 9:30 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.2 hours before the alert went out and 142 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 2001-11-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 185 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 12:00Z on 2001-11-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 329 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
185 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
449 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
329 m²/s²
0-3 km storm-relative helicity
315 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

174 
WUUS54 KBMX 241910
SVRBHM
ALC103-241945-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
110 PM CST SAT NOV 24 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN MORGAN COUNTY IN NORTH CENTRAL ALABAMA

* UNTIL 145 PM CST

* AT 109 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES WEST OF EVA...MOVING NORTHEAST AT 30
  MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...SOMERVILLE.

TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. STAY
INDOORS...AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A STURDY BUILDING.
DAMAGING WIND...LARGE HAIL AND HEAVY RAIN ARE ALL POSSIBLE. STAY
INSIDE...AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 3431 8700 3431 8660 3455 8654 3456 8678

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 24, 9:36 AM CSTSevere Thunderstorm WarningBMXLamar, Marion54 min
Nov 24, 9:39 AM CSTSevere Thunderstorm WarningBMXLauderdale36 min
Nov 24, 9:57 AM CSTTornado WarningBMXSumter63 min
Nov 24, 10:22 AM CSTSevere Thunderstorm WarningBMXPickens38 min
Nov 24, 10:32 AM CSTTornado WarningBMXPickens28 min
Nov 24, 10:34 AM CSTTornado WarningBMXHale41 min
Nov 24, 10:36 AM CSTTornado WarningBMXGreene39 min
Nov 24, 10:37 AM CSTSevere Thunderstorm WarningBMXLamar, Marion23 min
Nov 24, 10:52 AM CSTTornado WarningBMXFayette, Lamar53 min
Nov 24, 11:03 AM CSTTornado WarningBMXTuscaloosa42 min
Nov 24, 11:12 AM CSTSevere Thunderstorm WarningBMXMarengo, Sumter48 min
Nov 24, 11:28 AM CSTSevere Thunderstorm WarningBMXFranklin, Lawrence47 min
Nov 24, 11:30 AM CSTTornado WarningBMXBibb45 min
Nov 24, 11:33 AM CSTTornado WarningBMXFranklin, Lawrence42 min
Nov 24, 11:35 AM CSTTornado WarningBMXHale25 min
Nov 24, 11:36 AM CSTTornado WarningBMXWalker24 min
Nov 24, 11:41 AM CSTSevere Thunderstorm WarningBMXWinston49 min
Nov 24, 11:41 AM CSTTornado WarningBMXFayette34 min
Nov 24, 11:44 AM CSTTornado WarningBMXMarengo, Sumter46 min
Nov 24, 11:45 AM CSTTornado WarningBMXTuscaloosa30 min
Nov 24, 11:48 AM CSTTornado WarningBMXJefferson57 min
Nov 24, 11:57 AM CSTTornado WarningBMXWalker48 min
Nov 24, 12:06 PM CSTSevere Thunderstorm WarningBMXLimestone, Morgan39 min
Nov 24, 12:12 PM CSTTornado WarningBMXBibb, Tuscaloosa33 min
Nov 24, 12:17 PM CSTTornado WarningBMXLimestone, Morgan43 min
Nov 24, 12:18 PM CSTTornado WarningBMXHale42 min
Nov 24, 12:25 PM CSTSevere Thunderstorm WarningBMXCullman, Winston35 min
Nov 24, 12:34 PM CSTTornado WarningBMXMarengo41 min
Nov 24, 12:40 PM CSTTornado WarningBMXJefferson65 min
Nov 24, 12:41 PM CSTTornado WarningBMXCullman49 min
Nov 24, 12:46 PM CSTSevere Thunderstorm WarningBMXMadison44 min
Nov 24, 12:51 PM CSTTornado WarningBMXPerry39 min
Nov 24, 12:56 PM CSTTornado WarningBMXBlount, St. Clair49 min
Nov 24, 1:11 PM CSTTornado WarningBMXEtowah49 min
Nov 24, 1:14 PM CSTTornado WarningBMXBibb46 min
Nov 24, 1:16 PM CSTTornado WarningBMXMarshall44 min
Nov 24, 1:26 PM CSTTornado WarningBMXMorgan19 min
Nov 24, 1:27 PM CSTTornado WarningBMXHale, Marengo, Perry48 min
Nov 24, 1:38 PM CSTTornado WarningBMXSt. Clair52 min
Nov 24, 1:40 PM CSTTornado WarningBMXMadison35 min
Nov 24, 1:47 PM CSTTornado WarningBMXShelby43 min
Nov 24, 1:58 PM CSTTornado WarningBMXDeKalb47 min
Nov 24, 2:03 PM CSTTornado WarningBMXEtowah57 min
Nov 24, 2:09 PM CSTTornado WarningBMXJackson, Marshall51 min
Nov 24, 2:11 PM CSTSevere Thunderstorm WarningBMXChilton, Perry49 min
Nov 24, 2:28 PM CSTSevere Thunderstorm WarningBMXShelby32 min
Nov 24, 2:43 PM CSTSevere Thunderstorm WarningBMXSt. Clair47 min
Nov 24, 2:43 PM CSTTornado WarningBMXDeKalb32 min
Nov 24, 2:51 PM CSTTornado WarningBMXCherokee39 min
Nov 24, 3:24 PM CSTSevere Thunderstorm WarningBMXCalhoun, Talladega51 min
Nov 24, 3:24 PM CSTTornado WarningBMXCherokee36 min
Nov 24, 3:45 PM CSTTornado WarningBMXTalladega45 min
Nov 24, 3:55 PM CSTTornado WarningBMXCoosa35 min
Nov 24, 4:01 PM CSTTornado WarningBMXAutauga29 min
Nov 24, 4:07 PM CSTTornado WarningBMXCalhoun23 min
Nov 24, 4:10 PM CSTTornado WarningBMXClay50 min
Nov 24, 4:16 PM CSTSevere Thunderstorm WarningBMXChilton, Elmore29 min
Nov 24, 4:24 PM CSTSevere Thunderstorm WarningBMXCherokee51 min
Nov 24, 4:25 PM CSTSevere Thunderstorm WarningBMXCoosa35 min
Nov 24, 4:30 PM CSTTornado WarningBMXCleburne45 min
Nov 24, 4:38 PM CSTTornado WarningBMXCalhoun, Talladega37 min
Nov 24, 4:43 PM CSTTornado WarningBMXCoosa17 min
Nov 24, 4:59 PM CSTTornado WarningBMXCoosa, Tallapoosa31 min
Nov 24, 5:00 PM CSTTornado WarningBMXClay45 min
Nov 24, 5:18 PM CSTSevere Thunderstorm WarningBMXRandolph27 min
Nov 24, 5:40 PM CSTTornado WarningBMXClay, Randolph35 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2001Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.