Alert archive / Alabama / Flash Flood Watches in 2021
Flash Flood Watch 7, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood watch at Sep 18, 2021, 1:10 PM CDT for 39 counties in Alabama. It was in force for 54 hr.
The area
The counties it named.
The facts
- Issued
- Sep 18, 2021, 1:10 PM CDT (18:10 UTC)
- Expired
- Sep 20, 2021, 7:00 PM CDT
- In force
- 54 hr
- Issued by
- NWS Birmingham, AL
- Flood severity
- None
All 39 counties
Autauga County, AL, Barbour County, AL, Bibb County, AL, Blount County, AL, Bullock County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Marion County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL
The radar
The Birmingham radar (KBMX), 22 km from the middle of the area, began a volume at 18:14 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 12:00Z, 6.2 hours before the alert went out and 23 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
- 1167 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 453 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
772 WGUS64 KBMX 181810 FFABMX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Birmingham AL 110 PM CDT Sat Sep 18 2021 ALZ011>015-017>043-190215- /O.NEW.KBMX.FF.A.0007.210918T1810Z-210920T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Pickens-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega- Clay-Randolph-Sumter-Greene-Hale-Perry-Bibb-Chilton-Coosa-Tallapoosa- Chambers-Marengo-Dallas-Autauga-Lowndes-Elmore- Including the cities of Roanoke, Lanett, Selma, Heflin, Fort Deposit, Oneonta, Dadeville, Valley, Centreville, Moundville, Linden, Double Springs, Alexander City, Centre, Alabaster, Demopolis, Fayette, Prattville, Vernon, Sylacauga, Carrollton, Pell City, Hamilton, Wetumpka, Moody, Rockford, Marion, Tallassee, Gadsden, Hayneville, Hoover, Lafayette, Columbiana, Ashland, Pelham, Greensboro, Sulligent, Clanton, Talladega, Tuscaloosa, Livingston, Birmingham, Jasper, Eutaw, and Anniston 110 PM CDT Sat Sep 18 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH SUNDAY EVENING... The National Weather Service in Birmingham has issued a * Flash Flood Watch for portions of central Alabama, east central Alabama, northeast Alabama, northwest Alabama and west central Alabama, including the following areas, in central Alabama, Autauga, Bibb, Blount, Chilton, Coosa, Dallas, Elmore, Jefferson, Lowndes, Perry, Shelby, St. Clair, Talladega and Walker. In east central Alabama, Calhoun, Chambers, Clay, Cleburne, Randolph and Tallapoosa. In northeast Alabama, Cherokee and Etowah. In northwest Alabama, Marion and Winston. In west central Alabama, Fayette, Greene, Hale, Lamar, Marengo, Pickens, Sumter and Tuscaloosa. * Through Sunday evening. * Rainfall amounts of 1 to 3 inches with locally higher amounts will result in the potential for flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 86/Martin
6 follow-up statements
856 WGUS64 KBMX 190145 FFABMX Flood Watch National Weather Service Birmingham AL 845 PM CDT Sat Sep 18 2021 ALZ011>015-017>043-191000- /O.CON.KBMX.FF.A.0007.000000T0000Z-210920T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Pickens-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega- Clay-Randolph-Sumter-Greene-Hale-Perry-Bibb-Chilton-Coosa-Tallapoosa- Chambers-Marengo-Dallas-Autauga-Lowndes-Elmore- Including the cities of Roanoke, Lanett, Selma, Heflin, Fort Deposit, Oneonta, Dadeville, Valley, Centreville, Moundville, Linden, Double Springs, Alexander City, Centre, Alabaster, Demopolis, Fayette, Prattville, Vernon, Sylacauga, Carrollton, Pell City, Hamilton, Wetumpka, Moody, Rockford, Marion, Tallassee, Gadsden, Hayneville, Hoover, Lafayette, Columbiana, Ashland, Pelham, Greensboro, Sulligent, Clanton, Talladega, Tuscaloosa, Livingston, Birmingham, Jasper, Eutaw, and Anniston 845 PM CDT Sat Sep 18 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY EVENING... The Flash Flood Watch continues for * Portions of central Alabama, east central Alabama, northeast Alabama, northwest Alabama and west central Alabama, including the following areas, in central Alabama, Autauga, Bibb, Blount, Chilton, Coosa, Dallas, Elmore, Jefferson, Lowndes, Perry, Shelby, St. Clair, Talladega and Walker. In east central Alabama, Calhoun, Chambers, Clay, Cleburne, Randolph and Tallapoosa. In northeast Alabama, Cherokee and Etowah. In northwest Alabama, Marion and Winston. In west central Alabama, Fayette, Greene, Hale, Lamar, Marengo, Pickens, Sumter and Tuscaloosa. * Through Sunday evening. * Following widespread rain on Saturday and a relative lull Saturday night, multiple rounds of rain and a few storms are expected on Sunday. This activity is expected to be slow-moving and heavy at times. There is potential for an additional one to three inches of rain with locally higher amounts. This rain falling onto already wet ground will result in a risk of flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 89^GSatterwhite
707 WGUS64 KBMX 190648 FFABMX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Birmingham AL 148 AM CDT Sun Sep 19 2021 ALZ022-030>033-039-040-190800- /O.CAN.KBMX.FF.A.0007.000000T0000Z-210920T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pickens-Sumter-Greene-Hale-Perry-Marengo-Dallas- Including the cities of Linden, Demopolis, Selma, Livingston, Marion, Carrollton, Eutaw, Greensboro, and Moundville 148 AM CDT Sun Sep 19 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of central Alabama and west central Alabama, including the following areas, in central Alabama, Dallas and Perry. In west central Alabama, Greene, Hale, Marengo, Pickens and Sumter has been cancelled. Flooding is no longer expected to pose a threat. $$ ALZ044>050-191600- /O.EXA.KBMX.FF.A.0007.000000T0000Z-210920T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Montgomery-Macon-Bullock-Lee-Russell-Pike-Barbour- Including the cities of Union Springs, Eufaula, Auburn, Troy, Phenix City, Tuskegee, Montgomery, and Opelika 148 AM CDT Sun Sep 19 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING... The National Weather Service in Birmingham has expanded the * Flash Flood Watch to include portions of central Alabama, east central Alabama and southeast Alabama, including the following areas, in central Alabama, Montgomery. In east central Alabama, Lee, Macon and Russell. In southeast Alabama, Barbour, Bullock and Pike. * Through this evening. * Following widespread moderate to heavy rainfall on Saturday, multiple rounds of rain and a few storms are expected again today. This activity is expected to be slow-moving and heavy at times. There is potential for one to two inches of rain with locally higher amounts. This rain falling onto already wet ground will result in a risk of flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ ALZ011>015-017>021-023>029-034>038-041>043-191600- /O.CON.KBMX.FF.A.0007.000000T0000Z-210920T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega-Clay- Randolph-Bibb-Chilton-Coosa-Tallapoosa-Chambers-Autauga-Lowndes- Elmore- Including the cities of Roanoke, Lanett, Prattville, Oneonta, Dadeville, Valley, Centreville, Double Springs, Alexander City, Centre, Alabaster, Fayette, Fort Deposit, Vernon, Sylacauga, Hamilton, Pell City, Heflin, Wetumpka, Moody, Rockford, Tallassee, Gadsden, Hayneville, Hoover, Lafayette, Columbiana, Ashland, Pelham, Sulligent, Clanton, Talladega, Tuscaloosa, Birmingham, Jasper, and Anniston 148 AM CDT Sun Sep 19 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... The Flash Flood Watch continues for * Portions of central Alabama, east central Alabama, northeast Alabama, northwest Alabama and west central Alabama, including the following areas, in central Alabama, Autauga, Bibb, Blount, Chilton, Coosa, Elmore, Jefferson, Lowndes, Shelby, St. Clair, Talladega and Walker. In east central Alabama, Calhoun, Chambers, Clay, Cleburne, Randolph and Tallapoosa. In northeast Alabama, Cherokee and Etowah. In northwest Alabama, Marion and Winston. In west central Alabama, Fayette, Lamar and Tuscaloosa. * Through this evening. * Following widespread moderate to heavy rainfall on Saturday, multiple rounds of rain and a few storms are expected again today. This activity is expected to be slow-moving and heavy at times. There is potential for one to two inches of rain with locally higher amounts. This rain falling onto already wet ground will result in a risk of flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
025 WGUS64 KBMX 191408 FFABMX Flood Watch National Weather Service Birmingham AL 908 AM CDT Sun Sep 19 2021 ALZ011>015-017>021-023>029-034>038-041>050-200000- /O.CON.KBMX.FF.A.0007.000000T0000Z-210920T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega-Clay- Randolph-Bibb-Chilton-Coosa-Tallapoosa-Chambers-Autauga-Lowndes- Elmore-Montgomery-Macon-Bullock-Lee-Russell-Pike-Barbour- Including the cities of Roanoke, Lanett, Union Springs, Eufaula, Prattville, Oneonta, Montgomery, Dadeville, Phenix City, Valley, Centreville, Double Springs, Alexander City, Centre, Alabaster, Fayette, Fort Deposit, Vernon, Sylacauga, Hamilton, Pell City, Heflin, Wetumpka, Moody, Rockford, Tallassee, Gadsden, Hayneville, Hoover, Lafayette, Columbiana, Ashland, Tuskegee, Opelika, Pelham, Sulligent, Clanton, Talladega, Auburn, Tuscaloosa, Troy, Birmingham, Jasper, and Anniston 908 AM CDT Sun Sep 19 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... The Flash Flood Watch continues for * Portions of central Alabama, east central Alabama, northeast Alabama, northwest Alabama, southeast Alabama and west central Alabama, including the following areas, in central Alabama, Autauga, Bibb, Blount, Chilton, Coosa, Elmore, Jefferson, Lowndes, Montgomery, Shelby, St. Clair, Talladega and Walker. In east central Alabama, Calhoun, Chambers, Clay, Cleburne, Lee, Macon, Randolph, Russell and Tallapoosa. In northeast Alabama, Cherokee and Etowah. In northwest Alabama, Marion and Winston. In southeast Alabama, Barbour, Bullock and Pike. In west central Alabama, Fayette, Lamar and Tuscaloosa. * Until 7 PM CDT this evening. * Following widespread moderate to heavy rainfall on Saturday, multiple rounds of rain and a few storms are expected again today. This activity is expected to be slow-moving and heavy at times. There is potential for one to two inches of rain with locally higher amounts. This rain falling onto already wet ground will result in a risk of flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 86/Martin
529 WGUS64 KBMX 192328 FFABMX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Birmingham AL 628 PM CDT Sun Sep 19 2021 ALZ011>015-017>021-023>029-034>038-041>050-200730- /O.EXT.KBMX.FF.A.0007.000000T0000Z-210921T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega-Clay- Randolph-Bibb-Chilton-Coosa-Tallapoosa-Chambers-Autauga-Lowndes- Elmore-Montgomery-Macon-Bullock-Lee-Russell-Pike-Barbour- Including the cities of Roanoke, Lanett, Union Springs, Eufaula, Prattville, Oneonta, Montgomery, Dadeville, Phenix City, Valley, Centreville, Double Springs, Alexander City, Centre, Alabaster, Fayette, Fort Deposit, Vernon, Sylacauga, Hamilton, Pell City, Heflin, Wetumpka, Moody, Rockford, Tallassee, Gadsden, Hayneville, Hoover, Lafayette, Columbiana, Ashland, Tuskegee, Opelika, Pelham, Sulligent, Clanton, Talladega, Auburn, Tuscaloosa, Troy, Birmingham, Jasper, and Anniston 628 PM CDT Sun Sep 19 2021 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH MONDAY EVENING... The Flash Flood Watch is now in effect for * Portions of central Alabama, east central Alabama, northeast Alabama, northwest Alabama, southeast Alabama and west central Alabama, including the following areas, in central Alabama, Autauga, Bibb, Blount, Chilton, Coosa, Elmore, Jefferson, Lowndes, Montgomery, Shelby, St. Clair, Talladega and Walker. In east central Alabama, Calhoun, Chambers, Clay, Cleburne, Lee, Macon, Randolph, Russell and Tallapoosa. In northeast Alabama, Cherokee and Etowah. In northwest Alabama, Marion and Winston. In southeast Alabama, Barbour, Bullock and Pike. In west central Alabama, Fayette, Lamar and Tuscaloosa. * Through Monday evening. * Periods of locally heavy rain are forecast through Monday. A focus for the highest coverage of rain and multi-inch rainfall totals may develop toward the northeast portion of Central Alabama on Monday. This trend may allow for counties elsewhere to be removed from the watch prior to Monday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 89^GSatterwhite
010 WGUS64 KBMX 200750 FFABMX Flood Watch National Weather Service Birmingham AL 250 AM CDT Mon Sep 20 2021 ALZ041>050-200900- /O.CAN.KBMX.FF.A.0007.000000T0000Z-210921T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Autauga-Lowndes-Elmore-Montgomery-Macon-Bullock-Lee-Russell-Pike- Barbour- Including the cities of Union Springs, Tallassee, Eufaula, Hayneville, Prattville, Montgomery, Fort Deposit, Troy, Phenix City, Tuskegee, Auburn, Opelika, and Wetumpka 250 AM CDT Mon Sep 20 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of central Alabama, east central Alabama and southeast Alabama, including the following areas, in central Alabama, Autauga, Elmore, Lowndes and Montgomery. In east central Alabama, Lee, Macon and Russell. In southeast Alabama, Barbour, Bullock and Pike has been cancelled. Flooding is no longer expected to pose a threat. $$ ALZ011>015-017>021-023>029-034>038-201615- /O.CON.KBMX.FF.A.0007.000000T0000Z-210921T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega-Clay- Randolph-Bibb-Chilton-Coosa-Tallapoosa-Chambers- Including the cities of Roanoke, Lanett, Oneonta, Dadeville, Valley, Centreville, Double Springs, Alexander City, Centre, Alabaster, Fayette, Vernon, Sylacauga, Hamilton, Pell City, Heflin, Moody, Rockford, Gadsden, Hoover, Lafayette, Columbiana, Ashland, Pelham, Sulligent, Clanton, Talladega, Tuscaloosa, Birmingham, Jasper, and Anniston 250 AM CDT Mon Sep 20 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... The Flash Flood Watch continues for * Portions of central Alabama, east central Alabama, northeast Alabama, northwest Alabama and west central Alabama, including the following areas, in central Alabama, Bibb, Blount, Chilton, Coosa, Jefferson, Shelby, St. Clair, Talladega and Walker. In east central Alabama, Calhoun, Chambers, Clay, Cleburne, Randolph and Tallapoosa. In northeast Alabama, Cherokee and Etowah. In northwest Alabama, Marion and Winston. In west central Alabama, Fayette, Lamar and Tuscaloosa. * Through this evening. * Periods of locally heavy rain are possible today. Ground conditions are saturated from rainfall over the past few days and any heavy downpours could result in flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
354 WGUS64 KBMX 201525 FFABMX Flood Watch National Weather Service Birmingham AL 1025 AM CDT Mon Sep 20 2021 ALZ011>015-017>021-023>029-034>038-210000- /O.CON.KBMX.FF.A.0007.000000T0000Z-210921T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega-Clay- Randolph-Bibb-Chilton-Coosa-Tallapoosa-Chambers- Including the cities of Roanoke, Lanett, Oneonta, Dadeville, Valley, Centreville, Double Springs, Alexander City, Centre, Alabaster, Fayette, Vernon, Sylacauga, Hamilton, Pell City, Heflin, Moody, Rockford, Gadsden, Hoover, Lafayette, Columbiana, Ashland, Pelham, Sulligent, Clanton, Talladega, Tuscaloosa, Birmingham, Jasper, and Anniston 1025 AM CDT Mon Sep 20 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... The Flash Flood Watch continues for * Portions of central Alabama, east central Alabama, northeast Alabama, northwest Alabama and west central Alabama, including the following areas, in central Alabama, Bibb, Blount, Chilton, Coosa, Jefferson, Shelby, St. Clair, Talladega and Walker. In east central Alabama, Calhoun, Chambers, Clay, Cleburne, Randolph and Tallapoosa. In northeast Alabama, Cherokee and Etowah. In northwest Alabama, Marion and Winston. In west central Alabama, Fayette, Lamar and Tuscaloosa. * Until 7 PM CDT this evening. * Periods of locally heavy rain are possible today. Ground conditions are saturated from rainfall over the past few days and any heavy downpours could result in flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 05
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 11:00 PM CDT | Areal Flood Advisory | BMX | Tallapoosa | 2 hr |
| Sep 18, 8:46 AM CDT | Areal Flood Advisory | BMX | Jefferson, Shelby | 3 hr |
| Sep 18, 9:40 AM CDT | Flash Flood Warning | BMX | Jefferson, Shelby | 3 hr |
| Sep 18, 12:29 PM CDT | Areal Flood Advisory | BMX | Tallapoosa | 5 hr |
| Sep 18, 12:44 PM CDT | Areal Flood Advisory | BMX | Tuscaloosa | 11 min |
| Sep 18, 12:55 PM CDT | Flash Flood Warning | BMX | Tuscaloosa | 110 min |
| Sep 18, 1:33 PM CDT | Areal Flood Advisory | BMX | Etowah | 3 hr |
| Sep 18, 1:52 PM CDT | Areal Flood Advisory | BMX | Bibb, Dallas, Hale, Marengo, Perry | 3 hr |
| Sep 18, 2:53 PM CDT | Flash Flood Warning | BMX | Tuscaloosa | 112 min |
| Sep 18, 3:11 PM CDT | Areal Flood Advisory | BMX | Elmore, Montgomery | 4 hr |
| Sep 18, 3:25 PM CDT | Areal Flood Advisory | BMX | Chambers, Lee | 3 hr |
| Sep 18, 4:21 PM CDT | Areal Flood Advisory | BMX | Bullock, Montgomery, Pike | 3 hr |
| Sep 18, 5:29 PM CDT | Areal Flood Advisory | BMX | Russell | 108 min |
Nearby
Flash Flood Watches in Alabama, 2021Every flash flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.