Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 424, NWS Birmingham, AL

November 24, 2001St. Clair County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Nov 24, 2001, 2:43 PM CST for St. Clair County, Alabama. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Nov 24, 2001, 2:43 PM CST (20:43 UTC)
Expired: Nov 24, 2001, 3:30 PM CST
In force: 47 min
Issued by: NWS Birmingham, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County St. Clair County, AL

The watch it was issued in

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

Issued	Product	Office	Lasted
Nov 24, 9:30 AM CST	Tornado Watch	SPC	6 hr
Nov 24, 2:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.7 hours before the alert went out and 72 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

000 
WUUS54 KBMX 242043
SVRBHM
ALC115-242130-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ST. CLAIR COUNTY IN ALABAMA

* UNTIL 330 PM CST

* AT 238 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTH OF BRANCHVILLE...MOVING NORTHEAST
  AT 35 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ODENVILLE AND
RAGLAND.

A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER...TORNADOES CAN DEVELOP
SUDDENLY FROM SEVERE THUNDERSTORMS.

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

LAT...LON 3363 8653 3353 8639 3380 8607 3398 8620

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Birmingham, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 24, 3:17 AM CST, 11 hours 26 minutes earlier.

Area forecast discussion, Nov 24, 3:17 AM CST, 11 hours 26 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM, AL
317 AM CST SAT NOV 24 2001

ACTIVE WEATHER DAY IN STORE...AND USERS SENSITIVE TO SEVERE WEATHER
SHOULD CHECK STAFFING NEEDS.  SEVERE STORMS NOW ACROSS THE MS
RIVER...AND WILL GET INTO ALABAMA LATER THIS MORNING AND THIS
AFTERNOON.  SPC CURRENTLY HAS US IN SLIGHT RISK AREA...WITH CAVEAT
THAT IF INSTABILITY INCREASES DUE TO GREATER THAN EXPECTED SOLAR
HEATING...THEN RISK MAY BE UPGRADED.  AT ANY RATE...WILL CONTINUE
WITH ENHANCED SEVERE WEATHER WORDING IN ZONES...AND MOST LIKELY BE
MORE SPECIFIC WITH DAMAING WIND/TORNADO WORDING.

STORMS EXPECTED TO TAPER OFF FROM THE EAST TONIGHT...ALTHOUGH FRONT
SEEMS TO STALL AND SOME MODELS KEEP MOISTURE AXIS ALONG EASTERN AND
SOUTHERN ZONES THROUGH SUNDAY.

HARD TO LOCK ON EXACTLY WHAT HAPPENS DAYS 3-7...BUT IT IS APPARENT
WE HAVE GONE FROM A TOTALLY TRANQUIL TO A VERY ACTIVE WEATHER
PATTERN ALMOST OVERNIGHT.

HSV 071/052/066/045 +811
BHM 072/055/069/048 +911
MGM 076/058/072/050 8832

.BHM...NONE.

In the hours before

Special weather statement, Nov 24, 12:29 PM CST, 2 hours 14 minutes before

ALZ001>018-022>026-030>035-039-242100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM ALABAMA
1229 PM CST SAT NOV 24 2001

THE FOLLOWING COUNTIES HAVE BEEN REMOVED FROM
TORNADO WATCH NUMBER 818...

  COLBERT...FRANKLIN...LAUDERDALE...MARION...

THE FOLLOWING COUNTIES REMAIN IN
TORNADO WATCH NUMBER 818
WHICH IS IN EFFECT UNTIL 300 PM...

  BIBB...BLOUNT...CHILTON...CULLMAN...DALLAS...
  DEKALB...ETOWAH...FAYETTE...GREENE...HALE...
  JACKSON...JEFFERSON...LAMAR...LAWRENCE...LIMESTONE...
  MADISON...MARENGO...MARSHALL...MORGAN...PERRY...
  PICKENS...SHELBY...ST CLAIR...SUMTER...TUSCALOOSA...
  WALKER...WINSTON...

Local storm report, Nov 24, 1:32 PM CST, 1 hour 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
132 PM CST SAT NOV 24 2001

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1127 AM    HALEYVILLE                AL   WIND DAMAGE
11/24/01   WINSTON                        *** ? INJ ***
                                          BUILDINGS DAMAGED
                                          INCLUDING A SHOPPING
                                          CENTER.  NUMBER OF
                                          INJURIES UNKNOWN. FROM
                                          EMA.

1130 AM    MILLPORT                  AL   TORNADO
11/24/01   LAMAR                          POSSBILE TORNADO AT
                                          MILLPORT.  TREES DOWN AND
                                          BUILDINGS DESTROYED.
                                          FROM VOLUNTEER FD

0100 PM    2SE LINDEN                AL   TORNADO
11/24/01   MARENGO                        TORNADO REPORTED BY 911
                                          OFFICE.

0105 PM    CULLMAN                   AL   1.00 IN HAIL
11/24/01   CULLMAN                        QUARTER SIZE HAIL IN CITY
                                          OF CULLMAN. FROM EMA.

0105 PM    FULTONDALE                AL   0.75 IN HAIL
11/24/01   JEFFERSON                      PENNY SIZE HAIL AT
                                          FULTONDALE FROM EMA.

0106 PM                              AL   1.75 IN HAIL
11/24/01   CULLMAN                        GOLFBALL SIZE HAIL AT
                                          I-65 AND US 278

Local storm report, Nov 24, 1:36 PM CST, 1 hour 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
136 PM CST SAT NOV 24 2001

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0128 PM    TAITS GAP                 AL   TORNADO
11/24/01   BLOUNT                         TREES AND POWER LINES
                                          DOWN IN TAITS GAP.
                                          NUMEROUS REPORTS FROM
                                          PUBLIC VIA EMA.

0112 PM    CULLMAN                   AL   1.75 IN HAIL
11/24/01   CULLMAN                        GOLF BALL SIZE HAIL IN
                                          CULLMAN VIA HAM
                                          SPOTTERS.

Special weather statement, Nov 24, 1:44 PM CST, 59 minutes before

ALZ001>018-022>026-030>035-039-242100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM ALABAMA
144 PM CST SAT NOV 24 2001

THE FOLLOWING COUNTIES HAVE BEEN REMOVED FROM
TORNADO WATCH NUMBER 818...

  COLBERT...FAYETTE...FRANKLIN...LAMAR...LAUDERDALE...
  LAWRENCE...LIMESTONE...MARION...PICKENS...WINSTON...

THE FOLLOWING COUNTIES REMAIN IN
TORNADO WATCH NUMBER 818
WHICH IS IN EFFECT UNTIL 300 PM...

  BIBB...BLOUNT...CHILTON...CULLMAN...DALLAS...
  DEKALB...ETOWAH...GREENE...HALE...JACKSON...
  JEFFERSON...MADISON...MARENGO...MARSHALL...MORGAN...
  PERRY...SHELBY...ST CLAIR...SUMTER...TUSCALOOSA...
  WALKER...

Special weather statement, Nov 24, 2:31 PM CST, 12 minutes before

ALZ001>018-022>026-030>035-039-242100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM ALABAMA
231 PM CST SAT NOV 24 2001

THE FOLLOWING COUNTIES HAVE BEEN REMOVED FROM
TORNADO WATCH NUMBER 818...

  CULLMAN...GREENE...HALE...MADISON...MARENGO...
  MORGAN...SUMTER...TUSCALOOSA...WALKER...

THE FOLLOWING COUNTIES REMAIN IN
TORNADO WATCH NUMBER 818
WHICH IS IN EFFECT UNTIL 300 PM...

  BIBB...BLOUNT...CHILTON...DALLAS...DEKALB...
  ETOWAH...JACKSON...JEFFERSON...MARSHALL...PERRY...
  SHELBY...ST CLAIR...

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 24, 9:36 AM CST	Severe Thunderstorm Warning	BMX	Lamar, Marion	54 min
Nov 24, 9:39 AM CST	Severe Thunderstorm Warning	BMX	Lauderdale	36 min
Nov 24, 9:57 AM CST	Tornado Warning	BMX	Sumter	63 min
Nov 24, 10:22 AM CST	Severe Thunderstorm Warning	BMX	Pickens	38 min
Nov 24, 10:32 AM CST	Tornado Warning	BMX	Pickens	28 min
Nov 24, 10:34 AM CST	Tornado Warning	BMX	Hale	41 min
Nov 24, 10:36 AM CST	Tornado Warning	BMX	Greene	39 min
Nov 24, 10:37 AM CST	Severe Thunderstorm Warning	BMX	Lamar, Marion	23 min
Nov 24, 10:52 AM CST	Tornado Warning	BMX	Fayette, Lamar	53 min
Nov 24, 11:03 AM CST	Tornado Warning	BMX	Tuscaloosa	42 min
Nov 24, 11:12 AM CST	Severe Thunderstorm Warning	BMX	Marengo, Sumter	48 min
Nov 24, 11:28 AM CST	Severe Thunderstorm Warning	BMX	Franklin, Lawrence	47 min
Nov 24, 11:30 AM CST	Tornado Warning	BMX	Bibb	45 min
Nov 24, 11:33 AM CST	Tornado Warning	BMX	Franklin, Lawrence	42 min
Nov 24, 11:35 AM CST	Tornado Warning	BMX	Hale	25 min
Nov 24, 11:36 AM CST	Tornado Warning	BMX	Walker	24 min
Nov 24, 11:41 AM CST	Severe Thunderstorm Warning	BMX	Winston	49 min
Nov 24, 11:41 AM CST	Tornado Warning	BMX	Fayette	34 min
Nov 24, 11:44 AM CST	Tornado Warning	BMX	Marengo, Sumter	46 min
Nov 24, 11:45 AM CST	Tornado Warning	BMX	Tuscaloosa	30 min
Nov 24, 11:48 AM CST	Tornado Warning	BMX	Jefferson	57 min
Nov 24, 11:57 AM CST	Tornado Warning	BMX	Walker	48 min
Nov 24, 12:06 PM CST	Severe Thunderstorm Warning	BMX	Limestone, Morgan	39 min
Nov 24, 12:12 PM CST	Tornado Warning	BMX	Bibb, Tuscaloosa	33 min
Nov 24, 12:17 PM CST	Tornado Warning	BMX	Limestone, Morgan	43 min
Nov 24, 12:18 PM CST	Tornado Warning	BMX	Hale	42 min
Nov 24, 12:25 PM CST	Severe Thunderstorm Warning	BMX	Cullman, Winston	35 min
Nov 24, 12:34 PM CST	Tornado Warning	BMX	Marengo	41 min
Nov 24, 12:40 PM CST	Tornado Warning	BMX	Jefferson	65 min
Nov 24, 12:41 PM CST	Tornado Warning	BMX	Cullman	49 min
Nov 24, 12:46 PM CST	Severe Thunderstorm Warning	BMX	Madison	44 min
Nov 24, 12:51 PM CST	Tornado Warning	BMX	Perry	39 min
Nov 24, 12:56 PM CST	Tornado Warning	BMX	Blount, St. Clair	49 min
Nov 24, 1:10 PM CST	Severe Thunderstorm Warning	BMX	Morgan	35 min
Nov 24, 1:11 PM CST	Tornado Warning	BMX	Etowah	49 min
Nov 24, 1:14 PM CST	Tornado Warning	BMX	Bibb	46 min
Nov 24, 1:16 PM CST	Tornado Warning	BMX	Marshall	44 min
Nov 24, 1:26 PM CST	Tornado Warning	BMX	Morgan	19 min
Nov 24, 1:27 PM CST	Tornado Warning	BMX	Hale, Marengo, Perry	48 min
Nov 24, 1:38 PM CST	Tornado Warning	BMX	St. Clair	52 min
Nov 24, 1:40 PM CST	Tornado Warning	BMX	Madison	35 min
Nov 24, 1:47 PM CST	Tornado Warning	BMX	Shelby	43 min
Nov 24, 1:58 PM CST	Tornado Warning	BMX	DeKalb	47 min
Nov 24, 2:03 PM CST	Tornado Warning	BMX	Etowah	57 min
Nov 24, 2:09 PM CST	Tornado Warning	BMX	Jackson, Marshall	51 min
Nov 24, 2:11 PM CST	Severe Thunderstorm Warning	BMX	Chilton, Perry	49 min
Nov 24, 2:28 PM CST	Severe Thunderstorm Warning	BMX	Shelby	32 min
Nov 24, 2:43 PM CST	Tornado Warning	BMX	DeKalb	32 min
Nov 24, 2:51 PM CST	Tornado Warning	BMX	Cherokee	39 min
Nov 24, 3:24 PM CST	Severe Thunderstorm Warning	BMX	Calhoun, Talladega	51 min
Nov 24, 3:24 PM CST	Tornado Warning	BMX	Cherokee	36 min
Nov 24, 3:45 PM CST	Tornado Warning	BMX	Talladega	45 min
Nov 24, 3:55 PM CST	Tornado Warning	BMX	Coosa	35 min
Nov 24, 4:01 PM CST	Tornado Warning	BMX	Autauga	29 min
Nov 24, 4:07 PM CST	Tornado Warning	BMX	Calhoun	23 min
Nov 24, 4:10 PM CST	Tornado Warning	BMX	Clay	50 min
Nov 24, 4:16 PM CST	Severe Thunderstorm Warning	BMX	Chilton, Elmore	29 min
Nov 24, 4:24 PM CST	Severe Thunderstorm Warning	BMX	Cherokee	51 min
Nov 24, 4:25 PM CST	Severe Thunderstorm Warning	BMX	Coosa	35 min
Nov 24, 4:30 PM CST	Tornado Warning	BMX	Cleburne	45 min
Nov 24, 4:38 PM CST	Tornado Warning	BMX	Calhoun, Talladega	37 min
Nov 24, 4:43 PM CST	Tornado Warning	BMX	Coosa	17 min
Nov 24, 4:59 PM CST	Tornado Warning	BMX	Coosa, Tallapoosa	31 min
Nov 24, 5:00 PM CST	Tornado Warning	BMX	Clay	45 min
Nov 24, 5:18 PM CST	Severe Thunderstorm Warning	BMX	Randolph	27 min
Nov 24, 5:40 PM CST	Tornado Warning	BMX	Clay, Randolph	35 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2001 Every 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.