Alert archive / Alabama / Flash Flood Watches in 2021
Flash Flood Watch 1, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood watch at Mar 30, 2021, 1:25 PM CDT for 22 counties in Alabama. It took effect at Mar 30, 2021, 7:00 PM CDT. It was in force for 23 hr.
The area
The counties it named.
The facts
- Issued
- Mar 30, 2021, 1:25 PM CDT (18:25 UTC)
- In effect from
- Mar 30, 2021, 7:00 PM CDT
- Expired
- Mar 31, 2021, 5:40 PM CDT
- In force
- 23 hr
- Issued by
- NWS Birmingham, AL
- Flood severity
- None
All 22 counties
Bibb County, AL, Blount County, AL, Calhoun County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Marion County, AL, Pickens County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL
The radar
The Birmingham radar (KBMX), 41 km from the middle of the area, began a volume at 18:28 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.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 6.4 hours before the alert went out and 40 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1879 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
480 WGUS64 KBMX 301825 FFABMX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Birmingham AL 125 PM CDT Tue Mar 30 2021 ALZ011>015-017>021-024-026-311200- /O.NEW.KBMX.FF.A.0001.210331T0000Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Jefferson-St. Clair- Including the cities of Double Springs, Sulligent, Gadsden, Birmingham, Centre, Fayette, Oneonta, Vernon, Hoover, Hamilton, Jasper, Pell City, Heflin, Anniston, and Moody 125 PM CDT Tue Mar 30 2021 ...FLASH FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH WEDNESDAY 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, Blount, Jefferson, St. Clair and Walker. In east central Alabama, Calhoun and Cleburne. In northeast Alabama, Cherokee and Etowah. In northwest Alabama, Marion and Winston. In west central Alabama, Fayette and Lamar. * From 7 PM CDT this evening through Wednesday evening * Rainfall amounts from one to two inches are expected within the watch area. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 05
4 follow-up statements
469 WGUS64 KBMX 310942 FFABMX Flood Watch National Weather Service Birmingham AL 442 AM CDT Wed Mar 31 2021 ALZ011>015-017>021-024-026-010000- /O.CON.KBMX.FF.A.0001.000000T0000Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Jefferson-St. Clair- Including the cities of Double Springs, Sulligent, Gadsden, Birmingham, Centre, Fayette, Oneonta, Vernon, Hoover, Hamilton, Jasper, Pell City, Heflin, Anniston, and Moody 442 AM CDT Wed Mar 31 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... The Flash Flood Watch continues for * Portions of central Alabama...east central Alabama...northeast Alabama...northwest Alabama and west central Alabama, including the following areas, in central Alabama, Blount, Jefferson, St. Clair and Walker. In east central Alabama, Calhoun and Cleburne. In northeast Alabama, Cherokee and Etowah. In northwest Alabama, Marion and Winston. In west central Alabama, Fayette and Lamar. * Through this evening * Rainfall amounts from one to three inches are expected within the watch area. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 16
592 WGUS64 KBMX 311331 FFABMX Flood Watch National Weather Service Birmingham AL 831 AM CDT Wed Mar 31 2021 ALZ022-023-025-027>031-034-010000- /O.EXA.KBMX.FF.A.0001.000000T0000Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pickens-Tuscaloosa-Shelby-Talladega-Clay-Randolph-Sumter-Greene-Bibb- Including the cities of Roanoke, Livingston, Alabaster, Talladega, Tuscaloosa, Sylacauga, Carrollton, Columbiana, Ashland, Centreville, Pelham, and Eutaw 831 AM CDT Wed Mar 31 2021 ...FLASH FLOOD WATCH IN EFFECT UNTIL 7 PM CDT THIS EVENING... The National Weather Service in Birmingham has expanded the * Flash Flood Watch to include portions of central Alabama...east central Alabama and west central Alabama, including the following areas, in central Alabama, Bibb, Shelby and Talladega. In east central Alabama, Clay and Randolph. In west central Alabama, Greene, Pickens, Sumter and Tuscaloosa. * Until 7 PM CDT this evening * Rainfall amounts of two to four inches are expected within the watch area, with isolated higher amounts. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ ALZ011>015-017>021-024-026-010000- /O.CON.KBMX.FF.A.0001.000000T0000Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Jefferson-St. Clair- Including the cities of Double Springs, Sulligent, Gadsden, Birmingham, Centre, Fayette, Oneonta, Vernon, Hoover, Hamilton, Jasper, Pell City, Heflin, Anniston, and Moody 831 AM CDT Wed Mar 31 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... The Flash Flood Watch continues for * Portions of central Alabama...east central Alabama...northeast Alabama...northwest Alabama and west central Alabama, including the following areas, in central Alabama, Blount, Jefferson, St. Clair and Walker. In east central Alabama, Calhoun and Cleburne. In northeast Alabama, Cherokee and Etowah. In northwest Alabama, Marion and Winston. In west central Alabama, Fayette and Lamar. * Until 7 PM CDT this evening * Rainfall amounts of two to four inches are expected within the watch area, with isolated higher amounts. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 08
327 WGUS64 KBMX 311340 FFABMX Flood Watch National Weather Service Birmingham AL 840 AM CDT Wed Mar 31 2021 ALZ032-010000- /O.EXA.KBMX.FF.A.0001.000000T0000Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Hale- Including the cities of Greensboro and Moundville 840 AM CDT Wed Mar 31 2021 ...FLASH FLOOD WATCH IN EFFECT UNTIL 7 PM CDT THIS EVENING... The National Weather Service in Birmingham has expanded the * Flash Flood Watch to include a portion of west central Alabama, including the following area, Hale. * Until 7 PM CDT this evening * Rainfall amounts of two to four inches are expected within the watch area, with isolated higher amounts. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ ALZ011>015-017>021-024-026-010000- /O.CON.KBMX.FF.A.0001.000000T0000Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Jefferson-St. Clair- Including the cities of Double Springs, Sulligent, Gadsden, Birmingham, Centre, Fayette, Oneonta, Vernon, Hoover, Hamilton, Jasper, Pell City, Heflin, Anniston, and Moody 840 AM CDT Wed Mar 31 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... The Flash Flood Watch continues for * Portions of central Alabama...east central Alabama...northeast Alabama...northwest Alabama and west central Alabama, including the following areas, in central Alabama, Blount, Jefferson, St. Clair and Walker. In east central Alabama, Calhoun and Cleburne. In northeast Alabama, Cherokee and Etowah. In northwest Alabama, Marion and Winston. In west central Alabama, Fayette and Lamar. * Until 7 PM CDT this evening * Rainfall amounts of two to four inches are expected within the watch area, with isolated higher amounts. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ ALZ022-023-025-027>031-034-010000- /O.CON.KBMX.FF.A.0001.000000T0000Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pickens-Tuscaloosa-Shelby-Talladega-Clay-Randolph-Sumter-Greene-Bibb- Including the cities of Roanoke, Livingston, Alabaster, Talladega, Tuscaloosa, Sylacauga, Carrollton, Columbiana, Ashland, Centreville, Pelham, and Eutaw 840 AM CDT Wed Mar 31 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 and west central Alabama, including the following areas, in central Alabama, Bibb, Shelby and Talladega. In east central Alabama, Clay and Randolph. In west central Alabama, Greene, Pickens, Sumter and Tuscaloosa. * Until 7 PM CDT this evening * Rainfall amounts of two to four inches are expected within the watch area, with isolated higher amounts. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 08
246 WGUS64 KBMX 312240 FFABMX Flood Watch National Weather Service Birmingham AL 540 PM CDT Wed Mar 31 2021 ALZ011>015-017>032-034-312345- /O.CAN.KBMX.FF.A.0001.000000T0000Z-210401T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Pickens-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega- Clay-Randolph-Sumter-Greene-Hale-Bibb- Including the cities of Roanoke, Heflin, Oneonta, Centreville, Moundville, Double Springs, Centre, Alabaster, Fayette, Vernon, Sylacauga, Carrollton, Pell City, Hamilton, Moody, Gadsden, Hoover, Columbiana, Ashland, Pelham, Greensboro, Sulligent, Talladega, Tuscaloosa, Livingston, Birmingham, Jasper, Eutaw, and Anniston 540 PM CDT Wed Mar 31 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of central Alabama...east central Alabama...northeast Alabama...northwest Alabama and west central Alabama, including the following areas, in central Alabama, Bibb, Blount, Jefferson, Shelby, St. Clair, Talladega and Walker. In east central Alabama, Calhoun, Clay, Cleburne and Randolph. In northeast Alabama, Cherokee and Etowah. In northwest Alabama, Marion and Winston. In west central Alabama, Fayette, Greene, Hale, Lamar, Pickens, Sumter and Tuscaloosa has been cancelled. The Flood Watch is cancelled. Flooding from additional rainfall is no longer expected to pose a threat. Please continue to heed remaining road closures and several creeks , streams, and low lying areas may still have runoff on them. $$ 75/Linhares
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 11:49 AM CDT | River Flood Warning | BMX | Greene, Pickens, Sumter | 5 days |
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.