Alert archive / Alabama / Flash Flood Warnings in 2011
Flash Flood Warning 40, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Jul 27, 2011, 8:48 AM CDT for Lowndes County, Alabama. It was in force for 3 hr. 1 report 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
- Jul 27, 2011, 8:48 AM CDT (13:48 UTC)
- Expired
- Jul 27, 2011, 12:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Lowndes County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 27, 9:45 AM CDT | FLASH FLOOD | 4 Ne Macedonia, AL | WATER INTO TWO BRICK HOMES IN THE WALLER ROAD AREA. PORTIONS OF WALLER ROAD ALSO COVERED WITH UP TO SIX 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, 1.8 hours before the alert went out and 126 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
- 2408 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 879 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
104
WGUS54 KBMX 271348
FFWBMX
ALC085-271700-
/O.NEW.KBMX.FF.W.0040.110727T1348Z-110727T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
848 AM CDT WED JUL 27 2011
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN LOWNDES COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL NOON CDT
* AT 845 AM CDT...NATIONAL WEATHER SERVICE INDICATED SLOW MOVING
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
RAINFALL ESTIMATES OF UP TO 4 INCHES ARE BEING REPORTED FROM DOPPLER
RADAR...AND AN ADDITIONAL 1 TO 2 INCHES OF ADDITIONAL RAINFALL ARE
POSSIBLE ACROSS SOUTHERN LOWNDES COUNTY...NEAR THE COMMUNITIES OF
BRAGGS...AND INCLUDES HILLS CREEK...AND STATE HIGHWAYS 263 AND 21.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MACEDONIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE
WARNED AREA.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
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 3196 8686 3204 8686 3204 8691 3216 8691
3215 8671 3208 8662 3196 8660
$$
561 follow-up statement
093
WGUS74 KBMX 271443
FFSBMX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
943 AM CDT WED JUL 27 2011
ALC085-271700-
/O.CON.KBMX.FF.W.0040.000000T0000Z-110727T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOWNDES AL-
943 AM CDT WED JUL 27 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN LOWNDES COUNTY
UNTIL NOON CDT...
AT 938 AM CDT...EMERGENCY MANAGEMENT REPORTED THUNDERSTORMS WITH VERY
HEAVY RAINFALL ACROSS THE WARNED AREA...PRODUCING MINOR FLOODING AT
THIS TIME. OVER 6 INCHES OF RAINFALL HAS ALREADY FALLEN BASED ON
RAINFALL ESTIMATES...AND AN ADDITIONAL ONE TO 1.5 INCHES ARE
POSSIBLE THROUGH NOON TODAY.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
MACEDONIA.
AREAS MOST AFFECTED INCLUDE STATE HIGHWAYS 21 AND 263...AS WELL AS
THE WALLER ROAD AREAS ACROSS SOUTHWESTERN LOWNDES COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. RAINFALL FROM PERSISTENT RAINBANDS
WILL PRODUCE FLOODING IN LOW LYING AREAS AND ALONG STREETS. MANY
ROADS COULD BE CLOSED DUE TO HIGH WATER AND DRIVING IS NOT
RECOMMENDED ALONG STATE HIGHWAY 263 AND STATE HIGHWAY 21 DURING THE
NEXT SEVERAL HOURS.
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. TURN AROUND...DONT DROWN.
&&
LAT...LON 3196 8686 3204 8686 3204 8691 3216 8691
3215 8671 3208 8662 3196 8660
$$
56The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 8:14 AM CDT | Areal Flood Advisory | BMX | Lowndes | 61 min |
| Jul 27, 1:23 PM CDT | Special Weather Statement | BMX | Bibb | 37 min |
| Jul 27, 1:43 PM CDT | Special Weather Statement | BMX | Hale | 47 min |
| Jul 27, 4:37 PM CDT | Special Weather Statement | BMX | Hale | 38 min |
| Jul 27, 4:48 PM CDT | Special Weather Statement | BMX | Russell | 42 min |
| Jul 27, 5:08 PM CDT | Special Weather Statement | BMX | Fayette | 52 min |
| Jul 27, 5:56 PM CDT | Special Weather Statement | BMX | Fayette | 49 min |
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.