Alert archive / Alabama / Flash Flood Warnings in 2012
Flash Flood Warning 11, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at May 8, 2012, 6:33 PM CDT for Fayette County, Marion County, Alabama. It was in force for 3 hr. 3 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
- May 8, 2012, 6:33 PM CDT (23:33 UTC)
- Expired
- May 8, 2012, 9:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Fayette County, AL, Marion County, AL
The radar
The Columbus AFB radar (KGWX), 41 km from the middle of the area, began a volume at 23:35 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 |
|---|---|---|---|
| May 8, 6:55 PM CDT | FLASH FLOOD | Guin, AL | MAIN STREET IN GUIN IS UNDER WATER. |
| May 8, 7:05 PM CDT | FLASH FLOOD | Guin, AL | WATER DEPTH OF NEARLY 3 FEET ON HIGHWAY 43 IN GUIN. |
| May 8, 7:26 PM CDT | FLASH FLOOD | Fayette, AL | THE STREETS IN DOWNTOWN FAYETTE ARE COVERED IN APPROXIMATELY 6 INCHES OF WATER. |
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, 11.6 hours before the alert went out and 127 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
- 12 J/kg
- Mixed-layer CIN
- -167 J/kg
- Mixed-layer LCL
- 1015 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
616
WGUS54 KBMX 082333
FFWBMX
ALC057-093-090230-
/O.NEW.KBMX.FF.W.0011.120508T2333Z-120509T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
633 PM CDT TUE MAY 8 2012
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN FAYETTE COUNTY IN WEST CENTRAL ALABAMA...
SOUTHEASTERN MARION COUNTY IN NORTHWEST ALABAMA...
* UNTIL 930 PM CDT
* AT 632 PM CDT...NATIONAL WEATHER SERVICE INDICATED SLOW MOVING
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
1 TO 2 INCHES OF RAIN HAS ALREADY FALLEN WITH ANOTHER 2 TO 3
INCHES EXPECTED.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FAYETTE...WINFIELD...BLUFF...BRILLIANT...GLEN ALLEN...GU-WIN AND
GUIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
&&
TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758.
LAT...LON 3389 8795 3403 8795 3402 8764 3367 8764
3368 8795 3383 8795 3384 8796 3389 8796
$$
GRANTHAM1 follow-up statement
303
WGUS74 KBMX 090101
FFSBMX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
801 PM CDT TUE MAY 8 2012
ALC057-093-090230-
/O.CON.KBMX.FF.W.0011.000000T0000Z-120509T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FAYETTE AL-MARION AL-
801 PM CDT TUE MAY 8 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN MARION AND
NORTHWESTERN FAYETTE COUNTIES UNTIL 930 PM CDT...
AT 758 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY
HEAVY RAINFALL ACROSS THE WARNED AREA. 2 TO 4 INCHES OF RAINFALL HAS
FALLEN ACROSS THE WARNED AREA WITH ADDITIONAL LIGHT TO MODERATE
RAIN EXPECTED TO CONTINUE. EXTENSIVE FLOODING HAS BEEN REPORTED IN
THE CITY OF GUIN IN SOUTHEAST MARION COUNTY. STREET FLOODING HAS
ALSO BEEN REPORTED IN THE CITY OF FAYETTE.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
FAYETTE...WINFIELD...BLUFF...BRILLIANT...GLEN ALLEN...GU-WIN AND
GUIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
&&
LAT...LON 3389 8795 3403 8795 3402 8764 3367 8764
3368 8795 3383 8795 3384 8796 3389 8796
$$
GRANTHAMThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 7:08 PM CDT | Special Weather Statement | BMX | Randolph | 52 min |
| May 7, 7:10 PM CDT | Special Weather Statement | BMX | Elmore, Macon, Tallapoosa | 50 min |
| May 8, 1:06 AM CDT | Dense Fog Advisory | BMX | Blount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 12 more | 8 hr |
| May 8, 2:07 PM CDT | Special Weather Statement | BMX | Pike | 23 min |
| May 8, 5:39 PM CDT | Special Weather Statement | BMX | Lamar | 36 min |
| May 8, 5:52 PM CDT | Areal Flood Advisory | BMX | Lamar | 113 min |
| May 8, 6:24 PM CDT | Flash Flood Warning | BMX | Lamar | 3 hr |
| May 8, 6:44 PM CDT | Special Weather Statement | BMX | Sumter | 46 min |
Nearby
Flash Flood Warnings in Alabama, 2012Every flash flood warning in 2012
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.