Alert archive / Alabama / Flash Flood Warnings in 2012
Flash Flood Warning 10, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at May 8, 2012, 6:24 PM CDT for Lamar County, Alabama. It was in force for 3 hr. 2 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, 6:24 PM CDT (23:24 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
County Lamar County, AL
The radar
The Columbus AFB radar (KGWX), 20 km from the middle of the area, began a volume at 23:26 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 8, 7:30 PM CDT | FLASH FLOOD | 2 Sse Beaverton, AL | SEVERAL ROADS IN THE AREA CLOSED DUE TO WATER OVER THEM. |
| May 8, 7:30 PM CDT | FLASH FLOOD | Vernon, AL | HIGHWAY 18 IN VERNON CLOSED DUE TO WATER OVER THE ROADWAY. |
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, 11.4 hours before the alert went out and 146 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.
581 WGUS54 KBMX 082324 FFWBMX ALC075-090230- /O.NEW.KBMX.FF.W.0010.120508T2324Z-120509T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 624 PM CDT TUE MAY 8 2012 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL LAMAR COUNTY IN WEST CENTRAL ALABAMA... * UNTIL 930 PM CDT * AT 622 PM CDT...NATIONAL WEATHER SERVICE INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN WITH AN ADDITIONAL 1 TO 2 INCHES EXPECTED. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... SULLIGENT...VERNON...BEAVERTON...BEDFORD...BLOOMING GROVE...CREWS AND LAMAR COUNTY AIRPORT. 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 3400 8822 3399 8795 3367 8795 3368 8826 $$ GRANTHAM
1 follow-up statement
023 WGUS74 KBMX 090057 FFSBMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 757 PM CDT TUE MAY 8 2012 ALC075-090230- /O.CON.KBMX.FF.W.0010.000000T0000Z-120509T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LAMAR AL- 757 PM CDT TUE MAY 8 2012 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL LAMAR COUNTY UNTIL 930 PM CDT... AT 756 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 2 TO 4 INCHES OF RAIN HAS FALLEN WITH LIGHT TO MODERATE RAIN EXPECTED TO CONTINUE. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE... SULLIGENT...VERNON...BEAVERTON...BEDFORD...BLOOMING GROVE...CREWS AND LAMAR COUNTY AIRPORT. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. && LAT...LON 3400 8822 3399 8795 3367 8795 3368 8826 $$ GRANTHAM
The 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, 6:33 PM CDT | Flash Flood Warning | BMX | Fayette, Marion | 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.