Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 37, NWS Birmingham, AL

February 16, 2001Calhoun County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Feb 16, 2001, 3:33 PM CST for Calhoun County, Alabama. It was in force for 42 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: Feb 16, 2001, 3:33 PM CST (21:33 UTC)
Expired: Feb 16, 2001, 4:15 PM CST
In force: 42 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Calhoun County, AL

What was reported inside it

Time	Report	Where	Remark
Feb 16, 3:40 PM CST	Thunderstorm Wind 55 E	Countywide, AL	Calhoun County reported numerous trees and power lines blown down. Several roads were blocked a subsequently closed. A few buildings had significant roof damage in the Anniston area. Wind gusts of 60 mph were recorded at the Anniston/Oxford Airport.

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
Feb 16, 1:15 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.6 hours before the alert went out and 110 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: 111 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 507 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KBMX 162133
SVRBHM
ALC015-162215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
333 PM CST FRI FEB 16 2001

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CALHOUN COUNTY IN EAST CENTRAL ALABAMA

* UNTIL 415 PM CST

* AT 332 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES WEST OF OHATCHEE...MOVING EAST AT 50
  MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WEAVER...
SAKS...JACKSONVILLE...FORT MCCLELLAN AND ANNISTON.

STRONG DAMAGING WIND IS LIKELY WITH THIS STORM. TAKE COVER NOW. FIND
SUBSTANTIAL SHELTER. AVOID WINDOWS...VEHICLES AND MOBILE HOMES.

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 16, 1:21 PM CST	Severe Thunderstorm Warning	BMX	Limestone, Madison	24 min
Feb 16, 1:34 PM CST	Severe Thunderstorm Warning	BMX	Lamar, Pickens	41 min
Feb 16, 1:39 PM CST	Tornado Warning	BMX	Madison	51 min
Feb 16, 1:56 PM CST	Tornado Warning	BMX	Jackson	34 min
Feb 16, 1:57 PM CST	Severe Thunderstorm Warning	BMX	Greene, Sumter	48 min
Feb 16, 2:05 PM CST	Severe Thunderstorm Warning	BMX	Fayette, Tuscaloosa	40 min
Feb 16, 2:25 PM CST	Severe Thunderstorm Warning	BMX	Walker	50 min
Feb 16, 2:25 PM CST	Tornado Warning	BMX	Tuscaloosa	35 min
Feb 16, 2:32 PM CST	Tornado Warning	BMX	Jefferson, Walker	43 min
Feb 16, 2:39 PM CST	Severe Thunderstorm Warning	BMX	Bibb, Jefferson, Shelby	51 min
Feb 16, 2:40 PM CST	Severe Thunderstorm Warning	BMX	Winston	50 min
Feb 16, 2:45 PM CST	Severe Thunderstorm Warning	BMX	Blount, Cullman	45 min
Feb 16, 2:53 PM CST	Tornado Warning	BMX	Hale	37 min
Feb 16, 3:08 PM CST	Severe Thunderstorm Warning	BMX	Morgan	37 min
Feb 16, 3:08 PM CST	Severe Thunderstorm Warning	BMX	St. Clair	52 min
Feb 16, 3:08 PM CST	Tornado Warning	BMX	Sumter	52 min
Feb 16, 3:16 PM CST	Tornado Warning	BMX	Blount, Cullman	29 min
Feb 16, 3:16 PM CST	Tornado Warning	BMX	Perry	29 min
Feb 16, 3:22 PM CST	Severe Thunderstorm Warning	BMX	Etowah, Marshall	38 min
Feb 16, 3:26 PM CST	Severe Thunderstorm Warning	BMX	Bibb	64 min
Feb 16, 3:29 PM CST	Severe Thunderstorm Warning	BMX	Shelby, Talladega	31 min
Feb 16, 3:32 PM CST	Severe Thunderstorm Warning	BMX	Chilton	43 min
Feb 16, 3:41 PM CST	Severe Thunderstorm Warning	BMX	Cherokee, DeKalb	64 min
Feb 16, 3:50 PM CST	Severe Thunderstorm Warning	BMX	Clay, Cleburne	55 min
Feb 16, 3:58 PM CST	Severe Thunderstorm Warning	BMX	Talladega	32 min
Feb 16, 4:11 PM CST	Tornado Warning	BMX	Cherokee, Cleburne	34 min
Feb 16, 4:28 PM CST	Severe Thunderstorm Warning	BMX	Randolph	47 min
Feb 16, 4:36 PM CST	Tornado Warning	BMX	Chambers	24 min
Feb 16, 5:09 PM CST	Severe Thunderstorm Warning	BMX	Tallapoosa	36 min
Feb 16, 5:23 PM CST	Severe Thunderstorm Warning	BMX	Chambers	52 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.