Alert archive / Alabama / Flash Flood Warnings in 2003
Flash Flood Warning 41, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at May 8, 2003, 3:51 AM CDT for Jefferson County, 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 outline as issued.
The facts
- Issued
- May 8, 2003, 3:51 AM CDT (08:51 UTC)
- Expired
- May 8, 2003, 7:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Birmingham, AL
- Area
- Counties, with a storm outline in the text
County Jefferson County, AL
The radar
The Birmingham radar (KBMX), 48 km from the middle of the area, began a volume at 08:53 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 00:00Z, 8.9 hours before the alert went out and 47 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.
- Mixed-layer CAPE
- 2242 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 809 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 8.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KBMX 080854
FFWBHM
ALC073-081200-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
351 AM CDT THU MAY 8 2003
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
* FLASH FLOOD WARNING FOR...
JEFFERSON COUNTY IN ALABAMA
* UNTIL 700 AM CDT
* AT 351 AM CDT...MOST OF RAIN HAS PUSHED SOUTHEAST AND EAST OF
JEFFERSON COUNTY...BUT SIGNIFICANT RESIDUAL FLOODING CONTINUES.
RADAR ESTIMATES THAT ARE LARGE PORTION OF THE COUNTY RECEIVED 6 TO 8
INCHES OF RAIN TODAY WITH ISOLATED TOTALS OF 10 OR MORE INCHES.
TH3E RUNOFF OF THE WATER WILL CONTINUE TO AFFECT THE AREA THROUGH 7
AM. SEVERAL ROADS REMAIN CLOSED AND AREA CREEKS AND STREAMS ARE
STILL AT OR ABOVE BANKFULL.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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 3376 8665 3367 8653 3355 8655 3337 8681
3349 8694
$$1 follow-up statement
000
WGUS74 KBMX 080912
FFSBHM
ALC015-027-073-111-115-121-081200-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
409 AM CDT THU MAY 8 2003
A FLASH FLOOD WARNING REMAINS IN EFFECT FOR CLAY...RANDOLPH...
TALLADEGA...JEFFERSON...CALHOUN AND ST. CLAIR COUNTIES UNTIL 700 AM
CDT.
AT 409 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS AND THUNDERSTORMS CONTINUING ACROSS SOUTHERN CLAY AND
RANDOLPH COUNTIES. ONLY ISOLATED SHOWERS REMAIN ACROSS THE REST OF
THE AREA. RADAR ESTIMATES 6 TO 10 INCHES OF RAIN OCCURRED ON
WEDNESDAY AND RUNOFF CONTINUES. MANY ROADS ARE STILL CLOSED DUE TO
HIGH WATER AND AREA CREEKS AND STREAMS ARE RUNNING AT FULL CAPACITY.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
LAT...LON 3350 8726 3381 8695 3376 8666 3382 8643
3398 8620 3386 8609 3395 8557 3347 8588
3350 8533 3314 8524 3315 8646 3351 8638
3359 8656 3331 8700
$$The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 7:02 PM CDT | Tornado Warning | BMX | Tallapoosa | 18 min |
| May 7, 7:04 PM CDT | Flash Flood Warning | BMX | Talladega | 4 hr |
| May 7, 7:11 PM CDT | Flash Flood Warning | BMX | Calhoun | 4 hr |
| May 7, 7:12 PM CDT | Tornado Warning | BMX | Chambers | 48 min |
| May 7, 7:22 PM CDT | Flash Flood Warning | BMX | Clay, Randolph | 4 hr |
| May 7, 8:37 PM CDT | Flash Flood Warning | BMX | Jefferson | 3 hr |
| May 7, 8:44 PM CDT | Flash Flood Warning | BMX | St. Clair | 3 hr |
| May 7, 9:42 PM CDT | Severe Thunderstorm Warning | BMX | Chambers, Lee | 48 min |
| May 7, 10:35 PM CDT | Flash Flood Warning | BMX | Calhoun | 5 hr |
| May 7, 10:42 PM CDT | Flash Flood Warning | BMX | Talladega | 5 hr |
| May 7, 10:56 PM CDT | Flash Flood Warning | BMX | Jefferson | 5 hr |
| May 7, 11:06 PM CDT | Flash Flood Warning | BMX | Clay, Randolph | 4 hr |
| May 7, 11:25 PM CDT | Flash Flood Warning | BMX | St. Clair | 3 hr |
| May 8, 1:46 AM CDT | Flash Flood Warning | BMX | St. Clair | 2 hr |
| May 8, 2:48 AM CDT | Flash Flood Warning | BMX | Clay, Randolph | 4 hr |
| May 8, 4:00 AM CDT | Flash Flood Warning | BMX | Calhoun, St. Clair, Talladega | 3 hr |
Nearby
Flash Flood Warnings in Alabama, 2003Every 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.