Alert archive / Alabama / Flash Flood Warnings in 2003

Flash Flood Warning 24, NWS Birmingham, AL

May 7, 2003Clay County, Alabama

NWS Birmingham, AL issued this flash flood warning at May 7, 2003, 3:26 PM CDT for Clay County, Alabama. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 7, 2003, 3:26 PM CDT (20:26 UTC)
Expired: May 7, 2003, 7:30 PM CDT
In force: 4 hr
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

County Clay County, AL

The radar

The Birmingham radar (KBMX), 88 km from the middle of the area, began a volume at 20:26 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 nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.4 hours before the alert went out and 88 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: 1457 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 538 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 178 m²/s²
0-3 km storm-relative helicity: 236 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 6.5

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBMX 072026
FFWBHM
ALC027-080030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
326 PM CDT WED MAY 7 2003

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLAY COUNTY IN EAST CENTRAL ALABAMA

* UNTIL 730 PM CDT

* AT 321 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER ASHLAND...OR ABOUT 16 MILES SOUTHEAST OF TALLADEGA...
  MOVING NORTHEAST AT 20 MPH.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND
ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

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.

CALL 1-800-856-0758 TO REPORT FLOODING CONDITIONS.

LAT...LON 3345 8590 3316 8611 3314 8566 3349 8567

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 7:08 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Jefferson	37 min
May 6, 7:17 PM CDT	Severe Thunderstorm Warning	BMX	Shelby	58 min
May 6, 7:43 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson	32 min
May 6, 7:44 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair, Talladega	46 min
May 6, 7:56 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cleburne	64 min
May 6, 8:13 PM CDT	Severe Thunderstorm Warning	BMX	Shelby	32 min
May 6, 8:29 PM CDT	Severe Thunderstorm Warning	BMX	Talladega	31 min
May 7, 10:19 AM CDT	Tornado Warning	BMX	Lamar	56 min
May 7, 11:07 AM CDT	Tornado Warning	BMX	Lamar	28 min
May 7, 11:17 AM CDT	Tornado Warning	BMX	Fayette	58 min
May 7, 11:53 AM CDT	Tornado Warning	BMX	Walker	67 min
May 7, 12:37 PM CDT	Tornado Warning	BMX	Jefferson	53 min
May 7, 1:19 PM CDT	Tornado Warning	BMX	Jefferson	26 min
May 7, 1:25 PM CDT	Flash Flood Warning	BMX	Jefferson	3 hr
May 7, 1:27 PM CDT	Tornado Warning	BMX	St. Clair	63 min
May 7, 1:31 PM CDT	Severe Thunderstorm Warning	BMX	Blount	44 min
May 7, 1:45 PM CDT	Tornado Warning	BMX	Jefferson	15 min
May 7, 2:00 PM CDT	Flash Flood Warning	BMX	St. Clair	3 hr
May 7, 2:11 PM CDT	Tornado Warning	BMX	Talladega	64 min
May 7, 2:13 PM CDT	Tornado Warning	BMX	Shelby	62 min
May 7, 2:18 PM CDT	Tornado Warning	BMX	Hale	42 min
May 7, 2:22 PM CDT	Tornado Warning	BMX	Calhoun	58 min
May 7, 2:29 PM CDT	Tornado Warning	BMX	St. Clair	31 min
May 7, 2:46 PM CDT	Tornado Warning	BMX	Cleburne	74 min
May 7, 2:52 PM CDT	Tornado Warning	BMX	Clay	53 min
May 7, 3:05 PM CDT	Flash Flood Warning	BMX	Calhoun, Talladega	4 hr
May 7, 3:05 PM CDT	Tornado Warning Emergency	BMX	Jefferson, St. Clair	40 min
May 7, 3:11 PM CDT	Tornado Warning	BMX	Talladega	34 min
May 7, 3:13 PM CDT	Flash Flood Warning	BMX	Cleburne	4 hr
May 7, 3:13 PM CDT	Tornado Warning	BMX	Randolph	62 min
May 7, 3:35 PM CDT	Tornado Warning	BMX	Perry	25 min
May 7, 3:36 PM CDT	Tornado Warning Emergency	BMX	Calhoun, Talladega	54 min
May 7, 3:37 PM CDT	Tornado Warning Emergency	BMX	Clay	68 min
May 7, 3:45 PM CDT	Tornado Warning	BMX	Jefferson	60 min
May 7, 3:50 PM CDT	Flash Flood Warning	BMX	Randolph	4 hr
May 7, 3:58 PM CDT	Tornado Warning	BMX	St. Clair	32 min
May 7, 4:04 PM CDT	Flash Flood Warning	BMX	Jefferson	4 hr
May 7, 4:09 PM CDT	Tornado Warning	BMX	Randolph	51 min
May 7, 4:09 PM CDT	Tornado Warning	BMX	Sumter	66 min
May 7, 4:23 PM CDT	Tornado Warning Emergency	BMX	Clay, Cleburne, Randolph, Talladega	52 min
May 7, 4:35 PM CDT	Flash Flood Warning	BMX	St. Clair	4 hr
May 7, 4:38 PM CDT	Flash Flood Warning	BMX	Jefferson	4 hr
May 7, 4:49 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair	56 min
May 7, 4:50 PM CDT	Tornado Warning	BMX	Marengo	55 min
May 7, 4:54 PM CDT	Severe Thunderstorm Warning	BMX	Shelby	36 min
May 7, 5:08 PM CDT	Tornado Warning	BMX	Randolph	52 min
May 7, 5:32 PM CDT	Tornado Warning	BMX	Clay	43 min
May 7, 5:46 PM CDT	Tornado Warning	BMX	Talladega	44 min
May 7, 5:51 PM CDT	Tornado Warning	BMX	Marengo	54 min
May 7, 5:55 PM CDT	Tornado Warning	BMX	Randolph	50 min
May 7, 5:57 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Tuscaloosa	33 min
May 7, 6:12 PM CDT	Tornado Warning	BMX	Clay, Coosa, Tallapoosa	48 min
May 7, 6:28 PM CDT	Tornado Warning Emergency	BMX	Chambers	47 min
May 7, 6:41 PM CDT	Tornado Warning	BMX	Randolph	34 min

Nearby

Flash Flood Warnings in Alabama, 2003 Every flash flood warning in 2003

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.