Alert archive / Alabama / Flood Watches in 2021
Flood Watch 2, NWS Birmingham, AL
NWS Birmingham, AL issued this flood watch at Dec 29, 2021, 10:50 PM CST for 24 counties in Alabama. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Dec 29, 2021, 10:50 PM CST (04:50 UTC)
- Expired
- Dec 30, 2021, 2:28 PM CST
- In force
- 16 hr
- Issued by
- NWS Birmingham, AL
- Flood severity
- None
All 24 counties
Autauga County, AL, Bibb County, AL, Blount County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Elmore County, AL, Etowah County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Perry County, AL, Pickens County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL
The radar
The Birmingham radar (KBMX), 19 km from the middle of the area, began a volume at 04:49 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.
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 4.8 hours before the alert went out and 20 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
- 179 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 1065 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 230 m²/s²
- 0-3 km storm-relative helicity
- 292 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted.
169
WGUS64 KBMX 300450
FFABMX
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Birmingham AL
1050 PM CST Wed Dec 29 2021
.Heavy rains will continue into Thursday. One to two inches of
rainfall have already fallen in some areas. Additional rains may
cause flash flooding across portions of Central Alabama.
ALZ017>038-041-043-301400-
/O.NEW.KBMX.FA.A.0002.211230T0450Z-211230T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Blount-Etowah-Calhoun-Cherokee-Cleburne-Pickens-Tuscaloosa-Jefferson-
Shelby-St. Clair-Talladega-Clay-Randolph-Sumter-Greene-Hale-Perry-
Bibb-Chilton-Coosa-Tallapoosa-Chambers-Autauga-Elmore-
Including the cities of Roanoke, Lanett, Prattville, Oneonta,
Dadeville, Valley, Centreville, Moundville, Hoover, Alexander City,
Centre, Alabaster, Sylacauga, Heflin, Pell City, Carrollton,
Wetumpka, Eutaw, Rockford, Marion, Tallassee, Gadsden, Livingston,
Lafayette, Columbiana, Ashland, Pelham, Greensboro, Clanton,
Talladega, Tuscaloosa, Birmingham, Moody, and Anniston
1050 PM CST Wed Dec 29 2021
...FLOOD WATCH IN EFFECT THROUGH NOON THURSDAY...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...A portion of Central Alabama, including the following
counties, Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee,
Chilton, Clay, Cleburne, Coosa, Elmore, Etowah, Greene, Hale,
Jefferson, Perry, Pickens, Randolph, Shelby, St. Clair, Sumter,
Talladega, Tallapoosa and Tuscaloosa.
* WHEN...Through noon on Thursday.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Additional heavy rains of near one to two inches with
isolated higher amounts may occur in the watch area.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
082 follow-up statements
073
WGUS64 KBMX 301153
FFABMX
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Birmingham AL
553 AM CST Thu Dec 30 2021
.Heavy rains will continue today. One to two inches of rain have
already fallen in some areas. Additional rains may cause flash
flooding across portions of Central Alabama.
ALZ017>038-041-043-310000-
/O.EXT.KBMX.FA.A.0002.000000T0000Z-211231T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Blount-Etowah-Calhoun-Cherokee-Cleburne-Pickens-Tuscaloosa-Jefferson-
Shelby-St. Clair-Talladega-Clay-Randolph-Sumter-Greene-Hale-Perry-
Bibb-Chilton-Coosa-Tallapoosa-Chambers-Autauga-Elmore-
Including the cities of Roanoke, Lanett, Prattville, Oneonta,
Dadeville, Valley, Centreville, Moundville, Hoover, Alexander City,
Centre, Alabaster, Sylacauga, Heflin, Pell City, Carrollton,
Wetumpka, Eutaw, Rockford, Marion, Tallassee, Gadsden, Livingston,
Lafayette, Columbiana, Ashland, Pelham, Greensboro, Clanton,
Talladega, Tuscaloosa, Birmingham, Moody, and Anniston
553 AM CST Thu Dec 30 2021
...FLOOD WATCH NOW IN EFFECT THROUGH 6 PM...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of Central Alabama, including the following
counties, Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee,
Chilton, Clay, Cleburne, Coosa, Elmore, Etowah, Greene, Hale,
Jefferson, Perry, Pickens, Randolph, Shelby, St. Clair, Sumter,
Talladega, Tallapoosa and Tuscaloosa.
* WHEN...Through 6 PM.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Additional heavy rains of near one to two inches with
isolated higher amounts may occur in the watch area.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
08861 WGUS64 KBMX 302028 FFABMX Flood Watch National Weather Service Birmingham AL 228 PM CST Thu Dec 30 2021 ALZ017>038-041-043-302130- /O.CAN.KBMX.FA.A.0002.000000T0000Z-211231T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Blount-Etowah-Calhoun-Cherokee-Cleburne-Pickens-Tuscaloosa-Jefferson- Shelby-St. Clair-Talladega-Clay-Randolph-Sumter-Greene-Hale-Perry- Bibb-Chilton-Coosa-Tallapoosa-Chambers-Autauga-Elmore- Including the cities of Roanoke, Lanett, Prattville, Oneonta, Dadeville, Valley, Centreville, Moundville, Hoover, Alexander City, Centre, Alabaster, Sylacauga, Heflin, Pell City, Carrollton, Wetumpka, Eutaw, Rockford, Marion, Tallassee, Gadsden, Livingston, Lafayette, Columbiana, Ashland, Pelham, Greensboro, Clanton, Talladega, Tuscaloosa, Birmingham, Moody, and Anniston 228 PM CST Thu Dec 30 2021 ...FLOOD WATCH IS CANCELLED... The Flash Flood Watch is cancelled for a portion of central Alabama, including the following counties, Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee, Chilton, Clay, Cleburne, Coosa, Elmore, Etowah, Greene, Hale, Jefferson, Perry, Pickens, Randolph, Shelby, St. Clair, Sumter, Talladega, Tallapoosa and Tuscaloosa. The Flood Watch is cancelled. Flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 29, 6:02 PM CST | Special Weather Statement | BMX | Marion | 43 min |
| Dec 29, 6:27 PM CST | Tornado Warning | BMX | Fayette, Lamar, Marion | 34 min |
| Dec 29, 6:39 PM CST | Severe Thunderstorm Warning | BMX | Lamar | 36 min |
| Dec 29, 7:00 PM CST | Severe Thunderstorm Warning | BMX | Fayette | 34 min |
| Dec 29, 7:03 PM CST | Special Weather Statement | BMX | Winston | 27 min |
| Dec 29, 7:13 PM CST | Severe Thunderstorm Warning | BMX | Walker, Winston | 32 min |
| Dec 29, 7:17 PM CST | Severe Thunderstorm Warning | BMX | Greene, Pickens, Sumter | 42 min |
| Dec 29, 7:34 PM CST | Special Weather Statement | BMX | Walker | 41 min |
| Dec 29, 8:00 PM CST | Tornado Warning | BMX | Walker | 18 min |
| Dec 29, 8:01 PM CST | Special Weather Statement | BMX | Hale | 44 min |
| Dec 29, 8:04 PM CST | Severe Thunderstorm Warning | BMX | Blount | 41 min |
| Dec 29, 8:16 PM CST | Severe Thunderstorm Warning | BMX | Jefferson | 29 min |
| Dec 29, 8:27 PM CST | Severe Thunderstorm Warning | BMX | Etowah, St. Clair | 63 min |
| Dec 29, 8:32 PM CST | Tornado Warning | BMX | Bibb, Hale, Tuscaloosa | 43 min |
| Dec 29, 8:41 PM CST | Severe Thunderstorm Warning | BMX | Cherokee | 22 min |
| Dec 29, 8:51 PM CST | Areal Flood Advisory | BMX | Blount, Calhoun, Etowah, Jefferson, St. Clair | 114 min |
| Dec 29, 9:05 PM CST | Special Weather Statement | BMX | Cherokee | 25 min |
| Dec 29, 9:11 PM CST | Special Weather Statement | BMX | Bibb | 34 min |
| Dec 29, 9:14 PM CST | Tornado Warning | BMX | Calhoun | 31 min |
| Dec 29, 9:19 PM CST | Severe Thunderstorm Warning | BMX | Cherokee | 26 min |
| Dec 29, 9:25 PM CST | Tornado Warning | BMX | Bibb | 20 min |
| Dec 29, 9:25 PM CST | Tornado Warning | BMX | Calhoun, Cherokee, Cleburne | 35 min |
| Dec 29, 9:34 PM CST | Areal Flood Advisory | BMX | Bibb, Hale, Shelby, Tuscaloosa | 116 min |
| Dec 29, 9:47 PM CST | Special Weather Statement | BMX | Bibb | 43 min |
| Dec 29, 10:01 PM CST | Tornado Warning | BMX | Chilton, Shelby | 32 min |
| Dec 29, 10:18 PM CST | Tornado Warning | BMX | Coosa, Talladega | 24 min |
| Dec 29, 10:29 PM CST | Special Weather Statement | BMX | Pickens | 31 min |
| Dec 29, 10:39 PM CST | Flash Flood Warning | BMX | Bibb, Chilton, Coosa, Shelby, Talladega | 2 hr |
| Dec 29, 10:43 PM CST | Special Weather Statement | BMX | Clay | 47 min |
| Dec 29, 11:08 PM CST | Special Weather Statement | BMX | Pickens | 37 min |
| Dec 29, 11:41 PM CST | Special Weather Statement | BMX | Randolph | 34 min |
| Dec 30, 12:09 AM CST | Special Weather Statement | BMX | Talladega | 36 min |
| Dec 30, 12:12 AM CST | Special Weather Statement | BMX | Randolph | 18 min |
| Dec 30, 1:17 AM CST | Special Weather Statement | BMX | Shelby | 28 min |
| Dec 30, 3:24 AM CST | Special Weather Statement | BMX | Randolph | 36 min |
| Dec 30, 3:27 AM CST | Special Weather Statement | BMX | Pickens | 33 min |
| Dec 30, 4:19 AM CST | Areal Flood Advisory | BMX | Greene, Pickens, Sumter | 3 hr |
| Dec 30, 4:35 AM CST | Special Weather Statement | BMX | Tuscaloosa | 25 min |
| Dec 30, 4:53 AM CST | Special Weather Statement | BMX | Tuscaloosa | 52 min |
| Dec 30, 5:28 AM CST | Special Weather Statement | BMX | Bibb | 47 min |
| Dec 30, 5:33 AM CST | Areal Flood Advisory | BMX | Jefferson | 5 hr |
| Dec 30, 5:36 AM CST | Special Weather Statement | BMX | Jefferson | 24 min |
| Dec 30, 5:53 AM CST | Special Weather Statement | BMX | Tuscaloosa | 67 min |
| Dec 30, 6:20 AM CST | Areal Flood Advisory | BMX | Calhoun, Cleburne | 3 hr |
| Dec 30, 6:33 AM CST | Special Weather Statement | BMX | Walker | 27 min |
| Dec 30, 6:44 AM CST | Special Weather Statement | BMX | Shelby | 31 min |
| Dec 30, 7:05 AM CST | Areal Flood Advisory | BMX | Bibb, Shelby | 3 hr |
| Dec 30, 7:28 AM CST | Areal Flood Advisory | BMX | Calhoun, Etowah, St. Clair, Talladega | 5 hr |
| Dec 30, 7:32 AM CST | Special Weather Statement | BMX | Sumter | 58 min |
| Dec 30, 7:35 AM CST | Special Weather Statement | BMX | Greene | 25 min |
| Dec 30, 8:08 AM CST | Areal Flood Advisory | BMX | Greene, Sumter | 3 hr |
| Dec 30, 8:11 AM CST | Special Weather Statement | BMX | Clay, Randolph | 94 min |
| Dec 30, 8:27 AM CST | Flash Flood Warning | BMX | Bibb, Shelby, Talladega | 3 hr |
| Dec 30, 9:01 AM CST | Areal Flood Advisory | BMX | Clay, Cleburne, Randolph, Talladega | 3 hr |
| Dec 30, 9:27 AM CST | Special Weather Statement | BMX | Coosa | 33 min |
| Dec 30, 9:30 AM CST | Special Weather Statement | BMX | Chilton | 30 min |
| Dec 30, 9:41 AM CST | Severe Thunderstorm Warning | BMX | Clay, Coosa, Tallapoosa | 25 min |
| Dec 30, 9:57 AM CST | Severe Thunderstorm Warning | BMX | Chilton, Coosa, Shelby | 34 min |
| Dec 30, 10:12 AM CST | Special Weather Statement | BMX | Randolph | 33 min |
| Dec 30, 10:24 AM CST | Special Weather Statement | BMX | Sumter | 36 min |
| Dec 30, 10:38 AM CST | Special Weather Statement | BMX | Randolph | 22 min |
| Dec 30, 10:49 AM CST | Severe Thunderstorm Warning | BMX | Greene, Hale, Sumter | 41 min |
| Dec 30, 11:24 AM CST | Special Weather Statement | BMX | Perry | 36 min |
| Dec 30, 11:27 AM CST | Special Weather Statement | BMX | Chambers | 33 min |
| Dec 30, 11:37 AM CST | Special Weather Statement | BMX | Marengo | 23 min |
| Dec 30, 12:27 PM CST | Special Weather Statement | BMX | Elmore | 33 min |
| Dec 30, 12:29 PM CST | Special Weather Statement | BMX | Autauga | 31 min |
| Dec 30, 1:02 PM CST | Special Weather Statement | BMX | Elmore | 28 min |
| Dec 30, 1:08 PM CST | River Flood Warning | BMX | Chambers, Randolph, Tallapoosa | 19 hr |
| Dec 30, 1:14 PM CST | Special Weather Statement | BMX | Lowndes | 31 min |
| Dec 30, 1:36 PM CST | Severe Thunderstorm Warning | BMX | Elmore, Lee, Macon, Tallapoosa | 39 min |
| Dec 30, 1:37 PM CST | Special Weather Statement | BMX | Chambers | 23 min |
| Dec 30, 1:49 PM CST | Special Weather Statement | BMX | Lowndes, Montgomery | 41 min |
| Dec 30, 1:51 PM CST | Severe Thunderstorm Warning | BMX | Pike | 39 min |
| Dec 30, 1:57 PM CST | Severe Thunderstorm Warning | BMX | Lowndes, Montgomery | 48 min |
| Dec 30, 2:01 PM CST | Severe Thunderstorm Warning | BMX | Chambers | 14 min |
| Dec 30, 2:09 PM CST | Severe Thunderstorm Warning | BMX | Lee | 36 min |
| Dec 30, 2:16 PM CST | Special Weather Statement | BMX | Macon | 29 min |
| Dec 30, 2:16 PM CST | Severe Thunderstorm Warning | BMX | Barbour | 32 min |
| Dec 30, 2:23 PM CST | Severe Thunderstorm Warning | BMX | Macon | 37 min |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.