Alert archive / Alabama / Flash Flood Warnings in 2011
Flash Flood Warning 57, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Sep 5, 2011, 4:39 PM CDT for Jefferson County, Alabama. It was in force for 5 hr. 7 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 5, 2011, 4:39 PM CDT (21:39 UTC)
- Expired
- Sep 5, 2011, 9:30 PM CDT
- In force
- 5 hr
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Emergency
- Flash flood emergency
- Flood severity
- None
County Jefferson County, AL
The radar
The Birmingham radar (KBMX), 47 km from the middle of the area, began a volume at 21:39 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 5, 4:45 PM CDT | FLASH FLOOD | Tarrant, AL | SEVERAL ROADS FLOODED IN TARRANT AND BIRMINGHAM INCLUDING BLACK CREEK ROAD AND TALLAPOOSA STREET. |
| Sep 5, 5:10 PM CDT | FLASH FLOOD | Bessemer, AL | NINE INCHES OF WATER OVER 9TH AVE AT HWY 150 IN BESSEMER. |
| Sep 5, 5:20 PM CDT | FLASH FLOOD | Vestavia Hills, AL | HIGHWAY 31 FLOODED IN VESTAVIA HILLS. |
| Sep 5, 5:25 PM CDT | FLASH FLOOD | Mccalla, AL | EASTERN VALLEY ROAD AND MCCALLA ROAD FLOODED. |
| Sep 5, 5:38 PM CDT | FLASH FLOOD | Birmingham, AL | INTERSTATE 65 AND INTERSTATE 20 RAMP, 8-10 INCHES OF FLOWING WATER COVERING THE ROADWAY. |
| Sep 5, 5:39 PM CDT | FLASH FLOOD | Tarrant, AL | HIGHWAY 79 IS UNDERWATER IN TARRANT CITY AS FIVE MILE CREEK IS FLOODING. |
| Sep 5, 8:04 PM CDT | FLASH FLOOD | Hueytown, AL | WATER REPORTED OVER TINMILL ROAD BETWEEN PARK ROAD AND DOLOMITE. MOTORISTS WERE STRANDED AT THE TIME LISTED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 9.7 hours before the alert went out and 46 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
- 371 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 471 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 238 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
624
WGUS54 KBMX 052139
FFWBMX
ALC073-060230-
/O.NEW.KBMX.FF.W.0057.110905T2139Z-110906T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
439 PM CDT MON SEP 5 2011
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
* FLASH FLOOD WARNING FOR...
JEFFERSON COUNTY IN ALABAMA...
* UNTIL 930 PM CDT
* AT 437 PM CDT...A FLASH FLOOD EMERGENCY WITH SEVERE AND WIDESPREAD
LIFE-THREATENING FLOODING WAS OCCURRING ACROSS THE AREA. MANY
STREAMS AND CREEKS ARE OUT OF THEIR BANKS. NUMEROUS STREETS AND
ROADS REMAIN FLOODED AND DANGEROUS. PEOPLE ARE URGED TO REMAIN IN
A SAFE LOCATION AND AVOID TRAVEL IF POSSIBLE.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BESSEMER...
BIRMINGHAM...FAIRFIELD...FULTONDALE...GARDENDALE...HOMEWOOD...
HOOVER...HUEYTOWN...IRONDALE...LEEDS...MOUNTAIN BROOK...
PINSON-CLAY-CHALKVILLE...TRUSSVILLE...VESTAVIA HILLS...
ADAMSVILLE...ALABAMA ADVENTURE...ALTON...B.J.C.C....BARBER
MOTORSPORTS PARK...BIRMINGHAM AIRPORT...BIRMINGHAM FAIRGOUNDS...
BLUFF PARK...BON AIR...BRIGHTON...BROOKSIDE...CAHABA HEIGHTS...
CARDIFF...CENTER POINT...CLAY AND ENSLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXTREMELY DANGEROUS FLOODING IS OCCURRING. NUMEROUS ROADS...STREETS
AND HIGHWAYS ARE CLOSED DUE TO HIGH WATER. TRAVEL IS DISCOURAGED. DO
NOT ATTEMPT TO DRIVE UNTIL WEATHER AND TRAVEL CONDITIONS IMPROVE
LATER. CONDITIONS ARE LIFE THREATENING.
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.
&&
TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758.
LAT...LON 3384 8676 3376 8665 3376 8654 3356 8655
3352 8652 3347 8661 3347 8667 3325 8699
3325 8706 3328 8707 3346 8733 3349 8733
3348 8729 3353 8727 3352 8725 3355 8719
3362 8717 3366 8706 3377 8703 3382 8695
$$1 follow-up statement
097
WGUS74 KBMX 060108
FFSBMX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
808 PM CDT MON SEP 5 2011
ALC073-060230-
/O.CON.KBMX.FF.W.0057.000000T0000Z-110906T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JEFFERSON AL-
808 PM CDT MON SEP 5 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR JEFFERSON COUNTY UNTIL
930 PM CDT...
...A FLASH FLOOD EMERGENCY FOR JEFFERSON COUNTY...
AT 803 PM CDT...COUNTY OFFICIALS REPORTED THAT FLASH FLOODING WAS
OCCURRING IN MUCH OF JEFFERSON COUNTY WITH MANY ROADS CLOSED AND
STREAMS STILL OVERFLOWING THEIR BANKS.
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING
INCLUDE...BESSEMER...BIRMINGHAM...FAIRFIELD...FULTONDALE...
GARDENDALE...HUEYTOWN...PINSON...TRUSSVILLE...VESTAVIA
HILLS...BIRMINGHAM AIRPORT...BRIGHTON...BROOKSIDE...CARDIFF...CENTER
POINT...CLAY AND ENSLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXTREMELY DANGEROUS FLOODING IS OCCURRING. NUMEROUS ROADS...STREETS
AND HIGHWAYS ARE CLOSED DUE TO HIGH WATER. TRAVEL IS DISCOURAGED. DO
NOT ATTEMPT TO DRIVE UNTIL WEATHER AND TRAVEL CONDITIONS IMPROVE
LATER. CONDITIONS ARE LIFE THREATENING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3384 8676 3376 8665 3376 8654 3356 8655
3352 8652 3347 8661 3347 8667 3325 8699
3325 8706 3328 8707 3346 8733 3349 8733
3348 8729 3353 8727 3352 8725 3355 8719
3362 8717 3366 8706 3377 8703 3382 8695
$$The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 4:31 AM CDT | Wind Advisory | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 26 hr |
| Sep 5, 5:34 AM CDT | Areal Flood Advisory | BMX | Montgomery | 3 hr |
| Sep 5, 5:54 AM CDT | Flash Flood Warning | BMX | Elmore, Montgomery | 2 hr |
| Sep 5, 6:19 AM CDT | Flash Flood Warning | BMX | Pickens | 7 hr |
| Sep 5, 6:20 AM CDT | Tornado Warning | BMX | Pickens | 24 min |
| Sep 5, 6:44 AM CDT | Flash Flood Warning | BMX | Lamar | 4 hr |
| Sep 5, 6:57 AM CDT | Flash Flood Warning | BMX | Lamar | 7 hr |
| Sep 5, 7:16 AM CDT | Flash Flood Warning | BMX | Fayette, Marion, Walker, Winston | 8 hr |
| Sep 5, 8:27 AM CDT | Flash Flood Warning | BMX | Sumter | 4 hr |
| Sep 5, 9:01 AM CDT | Areal Flood Warning | BMX | Lamar | 60 hr |
| Sep 5, 9:29 AM CDT | River Flood Warning | BMX | Greene, Hale, Marengo, Sumter | 48 hr |
| Sep 5, 9:40 AM CDT | Flash Flood Warning | BMX | Pickens | 6 hr |
| Sep 5, 10:07 AM CDT | River Flood Warning | BMX | Jefferson, Tuscaloosa, Walker | 72 hr |
| Sep 5, 10:07 AM CDT | River Flood Warning | BMX | Greene, Hale, Marengo, Sumter, Tuscaloosa | 59 hr |
| Sep 5, 10:07 AM CDT | River Flood Warning | BMX | Greene, Hale, Marengo | 5 days |
| Sep 5, 10:14 AM CDT | Tornado Warning | BMX | Bullock, Pike | 13 min |
| Sep 5, 10:16 AM CDT | Flash Flood Warning | BMX | Greene | 6 hr |
| Sep 5, 10:28 AM CDT | Flash Flood Warning | BMX | Lamar | 4 hr |
| Sep 5, 10:31 AM CDT | Tornado Warning | BMX | Lee, Macon, Russell | 29 min |
| Sep 5, 10:48 AM CDT | Tornado Warning | BMX | Bibb, Hale, Perry | 27 min |
| Sep 5, 10:51 AM CDT | Tornado Warning | BMX | Lee | 24 min |
| Sep 5, 11:11 AM CDT | Tornado Warning | BMX | Chambers | 34 min |
| Sep 5, 11:36 AM CDT | Flash Flood Warning | BMX | Tuscaloosa | 7 hr |
| Sep 5, 11:39 AM CDT | Tornado Warning | BMX | Perry | 36 min |
| Sep 5, 12:20 PM CDT | Tornado Warning | BMX | Dallas | 25 min |
| Sep 5, 12:21 PM CDT | Tornado Warning | BMX | Bullock, Pike | 24 min |
| Sep 5, 12:35 PM CDT | Tornado Warning | BMX | Chilton, Dallas, Perry | 25 min |
| Sep 5, 12:40 PM CDT | Areal Flood Warning | BMX | Pickens | 3 hr |
| Sep 5, 1:00 PM CDT | Tornado Warning | BMX | Lee, Russell | 30 min |
| Sep 5, 1:09 PM CDT | Flash Flood Warning | BMX | Jefferson | 6 hr |
| Sep 5, 1:27 PM CDT | Areal Flood Warning | BMX | Pickens | 3 hr |
| Sep 5, 1:47 PM CDT | Areal Flood Warning | BMX | Pickens | 3 hr |
| Sep 5, 2:27 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 48 min |
| Sep 5, 2:28 PM CDT | Flash Flood Warning | BMX | Blount, Jefferson | 4 hr |
| Sep 5, 3:01 PM CDT | Areal Flood Warning | BMX | Fayette, Marion, Walker, Winston | 17 hr |
| Sep 5, 3:03 PM CDT | Tornado Warning | BMX | Lee, Macon | 27 min |
| Sep 5, 3:26 PM CDT | River Flood Warning | BMX | Jefferson | 15 hr |
| Sep 5, 4:06 PM CDT | Areal Flood Warning | BMX | Pickens | 16 hr |
| Sep 5, 4:52 PM CDT | Flash Flood Warning | BMX | Bibb, Shelby | 3 hr |
| Sep 5, 5:08 PM CDT | Special Weather Statement | BMX | Blount, Jefferson | 67 min |
| Sep 5, 5:12 PM CDT | Flash Flood Warning | BMX | Etowah, St. Clair | 6 hr |
| Sep 5, 6:12 PM CDT | Special Weather Statement | BMX | Blount, Jefferson | 78 min |
| Sep 5, 6:18 PM CDT | Areal Flood Warning | BMX | Tuscaloosa | 6 hr |
| Sep 5, 6:38 PM CDT | Flash Flood Warning | BMX | Blount | 3 hr |
| Sep 5, 6:41 PM CDT | High Wind Warning | BMX | Blount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 5 more | 3 hr |
Nearby
Flash Flood Warnings in Alabama, 2011Every flash flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.