Alert archive / Alabama / Flash Flood Warnings in 2001

Flash Flood Warning 10, NWS Birmingham, AL

April 3, 20016 counties in Alabama

NWS Birmingham, AL issued this flash flood warning at Apr 3, 2001, 5:48 PM CDT for 6 counties in Alabama. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 3, 2001, 5:48 PM CDT (22:48 UTC)
Expired: Apr 3, 2001, 8:30 PM CDT
In force: 3 hr
Issued by: NWS Birmingham, AL
Area: Whole counties

Counties Clay County, AL, Jefferson County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Walker County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.8 hours before the alert went out and 42 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: 101 J/kg
Mixed-layer CIN: -326 J/kg
Mixed-layer LCL: 692 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 315 m²/s²
0-3 km storm-relative helicity: 362 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBMX 032252 CCA
FFWBMX
ALC027-073-115-117-121-127-040130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE BIRMINGHAM AL
548 PM CDT TUE APR 3 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLAY COUNTY IN ALABAMA
  JEFFERSON COUNTY IN ALABAMA
  SHELBY COUNTY IN ALABAMA
  ST. CLAIR COUNTY IN ALABAMA
  TALLADEGA COUNTY IN ALABAMA
  WALKER COUNTY IN ALABAMA

* UNTIL 830 PM CDT

* AT 548 PM CDT...WEATHER SERVICE RADAR CONTINUES TO SHOW SHOWERS
AND THUNDERSTORMS...WITH VERY HEAVY RAINFALL...MOVING ACROSS PARTS
OF CENTRAL ALABAMA.  RAINFALL AMOUNTS OF 2 TO 3 INCHES WERE COMMON.
MANY REPORTS OF WATER ON ROADS AND CREEKS OUT OF THEIR BANKS.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE ACROSS THE
ALREADY SATURDATED GROUND.  THIS WILL PRODUCE MORE FLOODING ACROSS
THE NAMED COUNTIES.

PLEASE STAY CLEAR OF DRAINAGE DITCHES OR SEWERS!

THIS WARNING EXTENDS AND REPLACES THE PREVIOUS WARNING ISSUED.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 5:03 AM CDT	Severe Thunderstorm Warning	BMX	Franklin, Marion	27 min
Apr 3, 5:19 AM CDT	Severe Thunderstorm Warning	BMX	Autauga, Dallas	41 min
Apr 3, 5:20 AM CDT	Severe Thunderstorm Warning	BMX	Blount, Etowah, St. Clair	40 min
Apr 3, 5:28 AM CDT	Severe Thunderstorm Warning	BMX	Marion, Winston	47 min
Apr 3, 5:54 AM CDT	Severe Thunderstorm Warning	BMX	Franklin	51 min
Apr 3, 6:13 AM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Etowah	32 min
Apr 3, 6:33 AM CDT	Severe Thunderstorm Warning	BMX	Marion, Winston	27 min
Apr 3, 6:41 AM CDT	Severe Thunderstorm Warning	BMX	Cherokee, Cleburne	34 min
Apr 3, 6:42 AM CDT	Severe Thunderstorm Warning	BMX	Dallas, Lowndes	48 min
Apr 3, 7:16 AM CDT	Severe Thunderstorm Warning	BMX	DeKalb	29 min
Apr 3, 7:17 AM CDT	Severe Thunderstorm Warning	BMX	Cullman, Winston	28 min
Apr 3, 7:21 AM CDT	Severe Thunderstorm Warning	BMX	Walker	24 min
Apr 3, 7:31 AM CDT	Severe Thunderstorm Warning	BMX	Elmore, Montgomery	29 min
Apr 3, 7:38 AM CDT	Severe Thunderstorm Warning	BMX	Jefferson	52 min
Apr 3, 7:40 AM CDT	Severe Thunderstorm Warning	BMX	Blount, Cullman	35 min
Apr 3, 8:11 AM CDT	Severe Thunderstorm Warning	BMX	Lawrence	19 min
Apr 3, 8:18 AM CDT	Severe Thunderstorm Warning	BMX	Walker	27 min
Apr 3, 8:54 AM CDT	Severe Thunderstorm Warning	BMX	St. Clair, Talladega	36 min
Apr 3, 9:13 AM CDT	Severe Thunderstorm Warning	BMX	Clay	32 min
Apr 3, 9:18 AM CDT	Severe Thunderstorm Warning	BMX	Dallas	42 min
Apr 3, 9:26 AM CDT	Severe Thunderstorm Warning	BMX	Jefferson	34 min
Apr 3, 10:00 AM CDT	Severe Thunderstorm Warning	BMX	Dallas	30 min
Apr 3, 10:32 AM CDT	Severe Thunderstorm Warning	BMX	St. Clair, Talladega	28 min
Apr 3, 3:05 PM CDT	Flash Flood Warning	BMX	Jefferson, St. Clair, Walker	3 hr
Apr 3, 3:28 PM CDT	Flash Flood Warning	BMX	Clay, Talladega	3 hr
Apr 3, 3:41 PM CDT	Tornado Warning	BMX	Clay, Talladega	34 min
Apr 3, 3:51 PM CDT	Flash Flood Warning	BMX	Marion, Winston	3 hr
Apr 3, 4:11 PM CDT	Tornado Warning	BMX	Bibb, Tuscaloosa	49 min
Apr 3, 4:22 PM CDT	Tornado Warning	BMX	Talladega	23 min
Apr 3, 4:25 PM CDT	Tornado Warning	BMX	Shelby	35 min
Apr 3, 4:34 PM CDT	Tornado Warning	BMX	Clay	26 min
Apr 3, 4:58 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton	47 min
Apr 3, 5:26 PM CDT	Flash Flood Warning	BMX	Blount, Cullman	3 hr
Apr 3, 5:33 PM CDT	Severe Thunderstorm Warning	BMX	Coosa	37 min
Apr 3, 5:39 PM CDT	Flash Flood Warning	BMX	Chambers, Randolph, Tallapoosa	3 hr
Apr 3, 6:49 PM CDT	Flash Flood Warning	BMX	Winston	101 min

Nearby

Flash Flood Warnings in Alabama, 2001 Every flash flood 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.