Alert archive / Alabama / Flash Flood Warnings in 2004

Flash Flood Warning 34, NWS Birmingham, AL

September 16, 20048 counties in Alabama

NWS Birmingham, AL issued this flash flood warning at Sep 16, 2004, 3:01 PM CDT for 8 counties in Alabama. It was in force for 5 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
Sep 16, 2004, 3:01 PM CDT (20:01 UTC)
Expired
Sep 16, 2004, 8:00 PM CDT
In force
5 hr
Issued by
NWS Birmingham, AL
Area
Counties, with a storm outline in the text

Counties Calhoun County, AL, Clay County, AL, Cleburne County, AL, Jefferson County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL

The radar

The Birmingham radar (KBMX), 57 km from the middle of the area, began a volume at 20:03 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, 8.0 hours before the alert went out and 57 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-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2004-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 287 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2004-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 337 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
287 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
496 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
337 m²/s²
0-3 km storm-relative helicity
719 m²/s²
Significant tornado parameter
0.8
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBMX 162008
FFWBHM
ALC015-027-029-073-111-115-117-121-170100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
301 PM CDT THU SEP 16 2004

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JEFFERSON COUNTY IN CENTRAL ALABAMA
  THIS INCLUDES THE CITIES OF...TRUSSVILLE...MINOR...HUEYTOWN...
  HOOVER...GARDENDALE...FULTONDALE...BIRMINGHAM...BESSEMER
  SHELBY COUNTY IN CENTRAL ALABAMA
  THIS INCLUDES THE CITIES OF...PELHAM...HELENA...COLUMBIANA...
  ALABASTER
  ST. CLAIR COUNTY IN CENTRAL ALABAMA
  THIS INCLUDES THE CITIES OF...PELL CITY...MOODY
  CALHOUN COUNTY IN EAST CENTRAL ALABAMA
  THIS INCLUDES THE CITIES OF...WEST END-COBB TOWN...OXFORD...
  ANNISTON
  CLAY COUNTY IN EAST CENTRAL ALABAMA
  THIS INCLUDES THE CITY OF ASHLAND
  CLEBURNE COUNTY IN EAST CENTRAL ALABAMA
  THIS INCLUDES THE CITY OF HEFLIN
  RANDOLPH COUNTY IN EAST CENTRAL ALABAMA
  THIS INCLUDES THE CITY OF WEDOWEE
  TALLADEGA COUNTY IN EAST CENTRAL ALABAMA
  THIS INCLUDES THE CITIES OF...TALLADEGA...SYLACAUGA...LINCOLN...
  CHILDERSBURG

* UNTIL 800 PM CDT

* AT 305 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
AVERAGE RAINFALL AMOUNTS OF 4 TO 6 INCHES HAVE FALLEN OVER THE 
WARNED AREA...WITH SOME LOCALIZED AMOUNTS UP TO 8 INCHES.  AN 
ADDITIONAL 1 TO 3 INCHES CAN BE EXPECTED OVER THE NEXT FEW HOURS AS 
RAINBANDS FROM IVAN CONTINUE TO MOVE THROUGH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO   
WILSONVILLE...PINSON....OAK MOUNTAIN STATE 
PARK...HOMEWOOD...BIRMINGHAM AIRPORT AND ASHVILLE.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 3348 8727 3311 8688 3313 8625 3317 8526
      3394 8542 3384 8608 3397 8626 3381 8640
      3372 8659 3383 8691

$$
1 follow-up statement
000 
WGUS74 KBMX 162236
FFSBHM
ALC073-117-170100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
535 PM CDT THU SEP 16 2004

A FLASH FLOOD WARNING REMAINS IN EFFECT FOR SHELBY AND JEFFERSON
COUNTIES UNTIL 800 PM CDT.

...SIGNIFICANT FLASH FLOODING IS STILL OCCURRING...

AT 535 PM CDT...MAJOR FLASH FLOODING IS OCCURRING ALONG CREEKS AND 
STREAMS IN AND AROUND THE BIRMINGHAM METROPOLITAN AREA.  EVEN THOUGH 
THE RAIN IS COMING TO AN END...MAJOR RUNOFF IS STILL CAUSING 
SIGNIFICANT FLASH FLOODING CONDITIONS.  

PEOPLE SHOULD AVOID THE FOLLOWING CREEKS...

VILLAGE...5-MILE...PATTON...SHADES...TURKEY...AND VALLEY.

5 TO 8 INCHES OF RAIN HAVE FALLEN OVER THE METROPOLITAN AREA TODAY.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER 
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

TURN AROUND...DONT DROWN.

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 3372 8657 3355 8658 3341 8639 3328 8647
      3307 8654 3311 8688 3347 8729 3383 8689

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 16, 1:22 AM CDTTornado WarningBMXPike28 min
Sep 16, 1:56 AM CDTTornado WarningBMXBarbour24 min
Sep 16, 2:04 AM CDTTornado WarningBMXPike26 min
Sep 16, 2:45 AM CDTTornado WarningBMXMontgomery30 min
Sep 16, 4:01 AM CDTTornado WarningBMXBarbour29 min
Sep 16, 4:34 AM CDTTornado WarningBMXRussell26 min
Sep 16, 4:49 AM CDTTornado WarningBMXMacon26 min
Sep 16, 5:13 AM CDTTornado WarningBMXElmore47 min
Sep 16, 8:38 AM CDTTornado WarningBMXRussell37 min
Sep 16, 8:53 AM CDTTornado WarningBMXLee37 min
Sep 16, 9:41 AM CDTTornado WarningBMXLee34 min
Sep 16, 10:11 AM CDTFlash Flood WarningBMXAutauga, Elmore, Lowndes, Montgomery4 hr
Sep 16, 10:22 AM CDTTornado WarningBMXRussell23 min
Sep 16, 10:43 AM CDTFlash Flood WarningBMXBibb, Chilton, Dallas, Hale, Perry, Shelby4 hr
Sep 16, 10:54 AM CDTTornado WarningBMXRussell21 min
Sep 16, 10:57 AM CDTFlash Flood WarningBMXBarbour, Bullock, Chambers, Coosa, Lee, Macon and 3 more4 hr
Sep 16, 11:40 AM CDTFlash Flood WarningBMXCalhoun, Clay, Cleburne, Jefferson, Randolph, St. Clair and 2 more4 hr
Sep 16, 11:58 AM CDTFlash Flood WarningBMXJefferson5 hr
Sep 16, 12:51 PM CDTFlash Flood WarningBMXBlount, Cherokee, Etowah, Walker, Winston4 hr
Sep 16, 2:50 PM CDTFlash Flood WarningBMXChambers, Lee, Tallapoosa3 hr
Sep 16, 3:00 PM CDTFlash Flood WarningBMXJefferson6 hr
Sep 16, 4:57 PM CDTFlash Flood WarningBMXBlount, Cherokee, Etowah3 hr

Nearby

Flash Flood Warnings in Alabama, 2004Every flash flood warning in 2004

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.