Alert archive / Alabama / Flash Flood Warnings in 2021
Flash Flood Warning 15, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at May 3, 2021, 7:25 PM CDT for 4 counties in Alabama. It was in force for 5 hr. 4 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 3, 2021, 7:25 PM CDT (00:25 UTC)
- Expired
- May 4, 2021, 12:30 AM CDT
- In force
- 5 hr
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Autauga County, AL, Elmore County, AL, Macon County, AL, Montgomery County, AL
The radar
The Maxwell AFB radar (KMXX), 47 km from the middle of the area, began a volume at 00:28 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 3, 9:00 PM CDT | FLASH FLOOD | 1 S Wetumpka Muni Airpo, AL | RESIDENT UNABLE TO LEAVE THEIR HOME ALONG UPPER GIBSON TOWN RD DUE TO FLOODING OUTSIDE THE RESIDENCE. WATER WAS NOT INSIDE THE HOME. |
| May 3, 9:00 PM CDT | FLASH FLOOD | 2 Nnw Tallapoosa Lakes, AL | WATER OVER PORTION OF RIFLE RANGE RD NEAR OLD RIFLE RANGE RD. |
| May 3, 9:00 PM CDT | FLASH FLOOD | Speigner, AL | RESIDENCE PARTIALLY UNDERWATER ALONG HWY 143. |
| May 3, 9:00 PM CDT | HEAVY RAIN 3.92 | 3 Nnw Millbrook, AL | 3.92 INCHES IN 3.5 HOURS. |
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 00:00Z, 0.4 hours before the alert went out and 88 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
- 1119 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 1247 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.4
The text
As transmitted.
646
WGUS54 KBMX 040025
FFWBMX
ALC001-051-087-101-040230-
/O.NEW.KBMX.FF.W.0015.210504T0025Z-210504T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Birmingham AL
725 PM CDT Mon May 3 2021
The National Weather Service in Birmingham has issued a
* Flash Flood Warning for...
Northeastern Autauga County in central Alabama...
Southern Elmore County in east central Alabama...
Northern Montgomery County in south central Alabama...
West Central Macon County in southeastern Alabama...
* Until 930 PM CDT.
* At 725 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Northern Montgomery, Prattville, Millbrook, Wetumpka, Tallassee,
Elmore, Coosada, Deatsville, Eclectic, Shorter, Bob Woodruff Lake,
Blue Ridge, Boylston, Montgomery Zoo, Gunter Air Force Base,
Jordan Lake, Lagoon Park, Eastdale Mall, Emerald Mountain and
Auburn University In Montgomery.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3240 8642 3261 8676 3271 8654 3268 8641
3259 8590 3233 8594 3232 8593
FLASH FLOOD...RADAR INDICATED
$$
75/Linhares2 follow-up statements
268
WGUS74 KBMX 040221
FFSBMX
Flash Flood Statement
National Weather Service Birmingham AL
921 PM CDT Mon May 3 2021
ALC001-087-101-040231-
/O.CAN.KBMX.FF.W.0015.000000T0000Z-210504T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Autauga AL-Macon AL-Montgomery AL-
921 PM CDT Mon May 3 2021
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN AUTAUGA,
NORTHERN MONTGOMERY AND WEST CENTRAL MACON COUNTIES...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
LAT...LON 3268 8641 3259 8590 3245 8592 3244 8596
3245 8598 3244 8598 3245 8599 3243 8599
3240 8605 3242 8611 3243 8613 3243 8619
3245 8619 3250 8626 3247 8629 3249 8631
3244 8632 3240 8631 3243 8635 3240 8641
$$
ALC051-040230-
/O.CON.KBMX.FF.W.0015.000000T0000Z-210504T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Elmore AL-
921 PM CDT Mon May 3 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM CDT THIS
EVENING FOR SOUTHERN ELMORE COUNTY...
At 921 PM CDT, emergency management reported thunderstorms producing
heavy rain across the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Emergency management.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Northern Montgomery, Prattville, Millbrook, Wetumpka, Tallassee,
Elmore, Coosada, Deatsville, Eclectic, Blue Ridge, Emerald
Mountain, Jordan Lake, Wallsboro, Claud, Jordan Dam, Ware,
Wetumpka Municipal Airport, Speigner and Holtville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3268 8641 3259 8590 3245 8592 3244 8596
3245 8598 3244 8598 3245 8599 3243 8599
3240 8605 3242 8611 3243 8613 3243 8619
3245 8619 3250 8626 3247 8629 3249 8631
3244 8632 3240 8631 3243 8635 3240 8641
FLASH FLOOD...OBSERVED
$$
32/Davis727
WGUS54 KBMX 040222
FFWBMX
ALC051-040530-
/O.EXT.KBMX.FF.W.0015.000000T0000Z-210504T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Birmingham AL
922 PM CDT Mon May 3 2021
The National Weather Service in Birmingham has extended the
* Flash Flood Warning for...
Southern Elmore County in east central Alabama...
* Until 1230 AM CDT.
* At 922 PM CDT, emergency management reported thunderstorms
producing heavy rain across the warned area. Flash flooding is
ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Emergency management.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Northern Montgomery, Prattville, Millbrook, Wetumpka, Tallassee,
Elmore, Coosada, Deatsville, Eclectic, Blue Ridge, Emerald
Mountain, Jordan Lake, Wallsboro, Claud, Jordan Dam, Ware,
Wetumpka Municipal Airport, Speigner and Holtville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3268 8641 3259 8590 3245 8592 3244 8596
3245 8598 3244 8598 3245 8599 3243 8599
3240 8605 3242 8611 3243 8613 3243 8619
3245 8619 3250 8626 3247 8629 3249 8631
3244 8632 3240 8631 3243 8635 3240 8641
FLASH FLOOD...OBSERVED
$$
32/DavisThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 7:02 PM CDT | Severe Thunderstorm Warning | BMX | Elmore, Montgomery | 43 min |
| May 3, 7:13 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Chilton, Perry | 32 min |
| May 3, 7:29 PM CDT | Areal Flood Advisory | BMX | Chambers, Lee, Macon, Tallapoosa | 2 hr |
| May 3, 7:40 PM CDT | Severe Thunderstorm Warning | BMX | Elmore, Macon, Montgomery | 47 min |
| May 3, 7:46 PM CDT | Special Weather Statement | BMX | Chilton | 44 min |
| May 3, 8:30 PM CDT | Special Weather Statement | BMX | Lee, Macon | 45 min |
| May 3, 8:36 PM CDT | Special Weather Statement | BMX | Chilton | 39 min |
| May 3, 8:51 PM CDT | Areal Flood Advisory | BMX | Bibb, Chilton, Perry | 3 hr |
| May 3, 8:59 PM CDT | Special Weather Statement | BMX | Russell | 46 min |
| May 3, 9:31 PM CDT | Special Weather Statement | BMX | Shelby | 59 min |
| May 4, 7:27 AM CDT | Special Weather Statement | BMX | Marion | 48 min |
| May 4, 7:57 AM CDT | Special Weather Statement | BMX | Lamar, Marion | 48 min |
| May 4, 9:07 AM CDT | Severe Thunderstorm Warning | BMX | Winston | 38 min |
| May 4, 10:26 AM CDT | Severe Thunderstorm Warning | BMX | Blount | 23 min |
| May 4, 10:59 AM CDT | Special Weather Statement | BMX | Walker | 31 min |
| May 4, 11:00 AM CDT | Areal Flood Advisory | BMX | Fayette, Lamar, Walker | 3 hr |
| May 4, 11:06 AM CDT | Areal Flood Advisory | BMX | Blount, Calhoun, Cherokee, Etowah, St. Clair | 3 hr |
| May 4, 11:12 AM CDT | Tornado Warning | BMX | Fayette, Tuscaloosa | 21 min |
| May 4, 11:25 AM CDT | Severe Thunderstorm Warning | BMX | Jefferson, Walker | 50 min |
| May 4, 11:45 AM CDT | Areal Flood Advisory | BMX | Jefferson | 2 hr |
| May 4, 11:49 AM CDT | Severe Thunderstorm Warning | BMX | Blount, Jefferson, St. Clair | 26 min |
| May 4, 12:03 PM CDT | Flash Flood Warning | BMX | Blount, Etowah, St. Clair | 117 min |
| May 4, 12:10 PM CDT | Flash Flood Warning | BMX | Jefferson | 7 hr |
| May 4, 12:14 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, St. Clair, Talladega | 46 min |
| May 4, 12:17 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson, St. Clair, Shelby | 28 min |
| May 4, 12:35 PM CDT | Flash Flood Warning | BMX | Calhoun, Etowah, St. Clair, Talladega | 3 hr |
| May 4, 12:56 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Cherokee, Cleburne, Talladega | 64 min |
| May 4, 1:15 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson, Shelby | 30 min |
| May 4, 1:25 PM CDT | Tornado Warning | BMX | Cleburne | 24 min |
| May 4, 1:39 PM CDT | Flash Flood Warning | BMX | Jefferson, St. Clair, Shelby | 5 hr |
| May 4, 2:07 PM CDT | Areal Flood Warning | BMX | Blount, Calhoun, Cherokee, Etowah, St. Clair | 6 hr |
| May 4, 2:54 PM CDT | Areal Flood Advisory | BMX | Clay, Cleburne, Randolph, Shelby, Talladega | 3 hr |
| May 4, 3:50 PM CDT | Severe Thunderstorm Warning | BMX | Sumter | 55 min |
| May 4, 4:01 PM CDT | Flash Flood Warning | BMX | Shelby, Talladega | 3 hr |
| May 4, 4:05 PM CDT | Flash Flood Warning | BMX | Bibb, Tuscaloosa | 3 hr |
| May 4, 4:13 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 29 min |
| May 4, 4:20 PM CDT | Severe Thunderstorm Warning | BMX | Greene | 55 min |
| May 4, 4:30 PM CDT | Severe Thunderstorm Warning | BMX | Hale, Marengo | 63 min |
| May 4, 4:45 PM CDT | Special Weather Statement | BMX | Walker, Winston | 30 min |
| May 4, 5:00 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Chilton, Dallas, Perry | 75 min |
| May 4, 5:17 PM CDT | Flash Flood Warning | BMX | Jefferson, Shelby | 3 hr |
| May 4, 5:29 PM CDT | Severe Thunderstorm Warning | BMX | Autauga, Chilton, Lowndes | 76 min |
| May 4, 5:30 PM CDT | Tornado Warning | BMX | Chilton, Perry | 30 min |
| May 4, 5:38 PM CDT | Tornado Warning | BMX | Shelby | 12 min |
| May 4, 5:54 PM CDT | Severe Thunderstorm Warning | BMX | Coosa | 50 min |
| May 4, 5:59 PM CDT | Severe Thunderstorm Warning | BMX | Elmore | 61 min |
| May 4, 6:07 PM CDT | Severe Thunderstorm Warning | BMX | Montgomery | 68 min |
| May 4, 6:19 PM CDT | Severe Thunderstorm Warning | BMX | Tallapoosa | 56 min |
| May 4, 6:24 PM CDT | Tornado Warning | BMX | Elmore, Montgomery | 13 min |
| May 4, 6:37 PM CDT | Severe Thunderstorm Warning | BMX | Bullock, Macon, Pike | 83 min |
| May 4, 6:41 PM CDT | Severe Thunderstorm Warning | BMX | Chambers, Lee | 61 min |
| May 4, 6:48 PM CDT | River Flood Warning | BMX | Bibb, Jefferson, Shelby | 22 hr |
Nearby
Flash Flood Warnings in Alabama, 2021Every flash flood warning in 2021
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.