Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 207, NWS Birmingham, AL

April 2, 2000Chilton County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 2, 2000, 11:41 PM CDT for Chilton County, Alabama. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 2, 2000, 11:41 PM CDT (04:41 UTC)
Expired: Apr 3, 2000, 12:15 AM CDT
In force: 34 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Chilton County, AL

The radar

The Birmingham radar (KBMX), 36 km from the middle of the area, began a volume at 04:44 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.

What was reported inside it

Time	Report	Where	Remark
Apr 2, 11:52 PM CDT	Hail 0.75	Thorsby, AL	Dime size hail was observed just west of Thorsby on CR 5.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 2, 10:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 4.7 hours before the alert went out and 37 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: 430 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 982 m above ground
0-6 km bulk shear: 81 kt
0-1 km storm-relative helicity: 851 m²/s²
0-3 km storm-relative helicity: 851 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 21.3

Open this sounding in Storm Lab

The text

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

101 
WUUS54 KBMX 030441
SVRBHM
ALC021-030515-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1141 PM CDT SUN APR 2 2000

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A...

* SEVERE THUNDERSTORM WARNING FOR...
  CHILTON COUNTY IN CENTRAL ALABAMA...

* UNTIL 1215 AM CDT.

* AT 1141 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTH OF THORSBY...MOVING EAST AT 45
  MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...THORSBY
  AND CLANTON.

STRONG DAMAGING WIND...LARGE HAIL...AND VERY HEAVY RAIN ARE LIKELY
WITH THIS STORM. TAKE COVER IN A STURDY SHELTER UNTIL THE STORM
PASSES.

NNNN

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 Apr 2, 3:00 PM CDT, 8 hours 41 minutes earlier.

Area forecast discussion, Apr 2, 3:00 PM CDT, 8 hours 41 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM, AL
300 PM CDT SUN APR 02 2000

TIME IS RUNNING SHORT SO THIS WILL BE BRIEF. SHORT
RANGE MODELS IN GENERAL AGREEMENT WITH UPCOMING WEATHER. NOT MUCH
CHANGE IN IDEAS OF PAST RUNS. UNSTABLE AIRMASS OVER S AL WILL
SPREAD N AND SHOWERS AND THUNDERSTORMS WILL INCREASE IN COVERAGE
TONIGHT. ADDITIONAL 2 TO 4 INCHES EXPECTED THROUGH MONDAY. BOUNDARY
ACROSS S AL WILL ALSO MOVE N AND POTENTIAL FOR SEVERE EXIST...
MENTIONED IN ZONES FROM TCL-BHM-ANB AND S MAINLY THIS EVENING.
AXIS OF HEAVIEST RAIN SHIFTS SLIGHTLY S ON MONDAY BUT ATTM WILL
LEAVE FFA IN SAME ORIENTATION. SHARP COLD FRONT MOVES THROUGH THE
AREA EARLY TUE ENDING PRECIP CHANCES AND TURNING BRIEFLY COLDER.
MOS/FAN AGAIN FAIRLY CLOSE AND BOTH HAVE PERFORMED OK SO WILL NOT
STRAY TOO FAR.

PRELIM NUMBERS...
HSV TE 062/067 049/053 034 75+++
BHM TC 062/071 052/055 035 75+++
MGM TW 062/077 059/064 038 75878=

.BHM...FLASH FLOOD WATCH TONIGHT AND MONDAY ALZ001>027-030>32-34.

75

In the hours before

Local storm report, Apr 2, 5:57 PM CDT, 5 hours 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM, AL
457 PM CST SUN APR 02 2000

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

0538 PM    SARDIS                    AL   1.5 INCH HAIL
04/02/00   DALLAS                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

0544 PM    ORRVILLE                  AL   TORNADO
04/02/00   DALLAS                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.
                                          POSSIBLE TORNADO...
                                          TREES DOWN JUST SOUTH
                                          OF ORRVILLE.

Local storm report, Apr 2, 6:49 PM CDT, 4 hours 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM, AL
649 PM CDT SUN APR 02 2000

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

0645 PM    (MXF)MAXWELL AFB MNTGMRY  AL   2 INCH HAIL
04/02/00   MONTGOMERY

0645 PM    PRATTVILLE                AL   .88 INCH HAIL
04/02/00   AUTAUGA

Special weather statement, Apr 2, 8:07 PM CDT, 3 hours 34 minutes before

ALZ049-050-30200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
807 PM CDT SUN APR 02 2000

THE TORNADO WATCH IS NO LONGER IN EFFECT FOR PIKE AND BARBOUR
COUNTIES.

NNNN
*

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 7:06 PM CDT	Tornado Warning	BMX	Elmore, Macon	54 min
Apr 2, 7:13 PM CDT	Tornado Warning	BMX	Montgomery	17 min
Apr 2, 7:16 PM CDT	Tornado Warning	BMX	Greene, Pickens, Sumter	59 min
Apr 2, 7:26 PM CDT	Tornado Warning	BMX	Tallapoosa	64 min
Apr 2, 8:12 PM CDT	Severe Thunderstorm Warning	BMX	Etowah, St. Clair	48 min
Apr 2, 8:27 PM CDT	Severe Thunderstorm Warning	BMX	Shelby	48 min
Apr 2, 8:53 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair	37 min
Apr 2, 9:20 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Talladega	40 min
Apr 2, 9:29 PM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	46 min
Apr 2, 9:34 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson	56 min
Apr 2, 9:44 PM CDT	Tornado Warning	BMX	Jefferson	46 min
Apr 2, 10:13 PM CDT	Tornado Warning	BMX	St. Clair	62 min
Apr 2, 10:48 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	27 min
Apr 2, 11:47 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun	43 min
Apr 3, 12:04 AM CDT	Severe Thunderstorm Warning	BMX	Clay, Cleburne	41 min
Apr 3, 12:18 AM CDT	Tornado Warning	BMX	Calhoun	27 min
Apr 3, 12:21 AM CDT	Tornado Warning	BMX	Cherokee	29 min
Apr 3, 12:31 AM CDT	Severe Thunderstorm Warning	BMX	Coosa, Tallapoosa	44 min
Apr 3, 12:41 AM CDT	Severe Thunderstorm Warning	BMX	Clay, Randolph	39 min
Apr 3, 10:46 AM CDT	Severe Thunderstorm Warning	BMX	Pickens	44 min
Apr 3, 11:05 AM CDT	Severe Thunderstorm Warning	BMX	Greene, Sumter	40 min
Apr 3, 11:23 AM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	52 min
Apr 3, 11:31 AM CDT	Tornado Warning	BMX	Lawrence, Winston	29 min
Apr 3, 11:42 AM CDT	Tornado Warning	BMX	Tuscaloosa	33 min
Apr 3, 11:43 AM CDT	Tornado Warning	BMX	Fayette, Walker	47 min
Apr 3, 11:53 AM CDT	Tornado Warning	BMX	Morgan	52 min
Apr 3, 12:11 PM CDT	Tornado Warning	BMX	Tuscaloosa	34 min
Apr 3, 12:13 PM CDT	Tornado Warning	BMX	Winston	32 min
Apr 3, 12:29 PM CDT	Tornado Warning	BMX	Jefferson	61 min
Apr 3, 12:31 PM CDT	Tornado Warning	BMX	Walker	44 min
Apr 3, 12:32 PM CDT	Tornado Warning	BMX	Madison	43 min
Apr 3, 12:36 PM CDT	Tornado Warning	BMX	Hale, Perry	39 min
Apr 3, 12:41 PM CDT	Severe Thunderstorm Warning	BMX	Bibb	34 min
Apr 3, 12:48 PM CDT	Tornado Warning	BMX	Blount, Cullman	57 min
Apr 3, 1:01 PM CDT	Tornado Warning	BMX	Shelby	44 min
Apr 3, 1:10 PM CDT	Tornado Warning	BMX	Perry	50 min
Apr 3, 1:17 PM CDT	Tornado Warning	BMX	Bibb	28 min
Apr 3, 1:23 PM CDT	Tornado Warning	BMX	St. Clair	67 min
Apr 3, 1:30 PM CDT	Tornado Warning	BMX	Chilton	45 min
Apr 3, 1:40 PM CDT	Tornado Warning	BMX	Shelby	35 min
Apr 3, 1:54 PM CDT	Severe Thunderstorm Warning	BMX	Etowah	36 min
Apr 3, 1:57 PM CDT	Tornado Warning	BMX	Calhoun	48 min
Apr 3, 2:06 PM CDT	Tornado Warning	BMX	Coosa	39 min
Apr 3, 2:14 PM CDT	Severe Thunderstorm Warning	BMX	Talladega	46 min
Apr 3, 2:22 PM CDT	Tornado Warning	BMX	Talladega	23 min
Apr 3, 2:27 PM CDT	Tornado Warning	BMX	Autauga, Dallas	33 min
Apr 3, 2:34 PM CDT	Tornado Warning	BMX	Cherokee, Etowah	41 min
Apr 3, 2:38 PM CDT	Tornado Warning	BMX	DeKalb	52 min
Apr 3, 2:47 PM CDT	Severe Thunderstorm Warning	BMX	Talladega	28 min
Apr 3, 2:57 PM CDT	Tornado Warning	BMX	Autauga	33 min
Apr 3, 3:03 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cleburne	42 min
Apr 3, 3:17 PM CDT	Severe Thunderstorm Warning	BMX	Clay	43 min
Apr 3, 3:39 PM CDT	Severe Thunderstorm Warning	BMX	Elmore	51 min
Apr 3, 3:43 PM CDT	Severe Thunderstorm Warning	BMX	Coosa	32 min
Apr 3, 3:45 PM CDT	Severe Thunderstorm Warning	BMX	Lowndes	30 min
Apr 3, 3:48 PM CDT	Tornado Warning	BMX	Coosa, Tallapoosa	42 min
Apr 3, 3:59 PM CDT	Severe Thunderstorm Warning	BMX	Montgomery	46 min
Apr 3, 4:25 PM CDT	Severe Thunderstorm Warning	BMX	Randolph	50 min
Apr 3, 4:29 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Macon, Tallapoosa	61 min
Apr 3, 5:53 PM CDT	Severe Thunderstorm Warning	BMX	Lee, Macon	52 min
Apr 3, 6:38 PM CDT	Tornado Warning	BMX	Russell	37 min
Apr 3, 6:44 PM CDT	Severe Thunderstorm Warning	BMX	Lee	16 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2000 Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.