Alert archive / Alabama / Flash Flood Watches in 2021
Flash Flood Watch 5, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood watch at Aug 16, 2021, 3:15 AM CDT for 11 counties in Alabama. It took effect at Aug 16, 2021, 1:00 PM CDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Aug 16, 2021, 3:15 AM CDT (08:15 UTC)
- In effect from
- Aug 16, 2021, 1:00 PM CDT
- Expired
- Aug 17, 2021, 3:10 AM CDT
- In force
- 14 hr
- Issued by
- NWS Birmingham, AL
- Flood severity
- None
Counties Barbour County, AL, Bullock County, AL, Chambers County, AL, Elmore County, AL, Lee County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Tallapoosa County, AL
The radar
The Maxwell AFB radar (KMXX), 15 km from the middle of the area, began a volume at 08:18 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, 8.3 hours before the alert went out and 132 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
- 657 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1045 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
823 WGUS64 KBMX 160815 FFABMX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Birmingham AL 315 AM CDT Mon Aug 16 2021 ALZ029-037-038-043>050-162100- /O.NEW.KBMX.FF.A.0005.210816T1800Z-210818T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Randolph-Tallapoosa-Chambers-Elmore-Montgomery-Macon-Bullock-Lee- Russell-Pike-Barbour- Including the cities of Roanoke, Lanett, Union Springs, Tallassee, Eufaula, Alexander City, Auburn, Montgomery, Dadeville, Troy, Lafayette, Phenix City, Tuskegee, Valley, Opelika, and Wetumpka 315 AM CDT Mon Aug 16 2021 ...FLASH FLOOD WATCH IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... The National Weather Service in Birmingham has issued a * Flash Flood Watch for portions of central Alabama, east central Alabama and southeast Alabama, including the following areas, in central Alabama, Elmore and Montgomery. In east central Alabama, Chambers, Lee, Macon, Randolph, Russell and Tallapoosa. In southeast Alabama, Barbour, Bullock and Pike. * From 1 PM CDT this afternoon through Tuesday evening. * Periods of heavy rainfall are forecast for portions of eastern and southeastern Central Alabama this afternoon and through Tuesday evening in association with Fred. Rainfall totals of 2 to 4 inches with locally higher amounts are possible across the watch area. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 40/Sizemore
3 follow-up statements
191 WGUS64 KBMX 162037 FFABMX Flood Watch National Weather Service Birmingham AL 337 PM CDT Mon Aug 16 2021 ALZ043-044-162145- /O.CAN.KBMX.FF.A.0005.000000T0000Z-210818T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Elmore-Montgomery- Including the cities of Tallassee, Wetumpka, and Montgomery 337 PM CDT Mon Aug 16 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for a portion of central Alabama, including the following areas, Elmore and Montgomery has been cancelled. Flooding is no longer expected to pose a threat. The rainfall maximum will be heavily dependent on the track of Fred and it appears to be east of this area. Please continue to heed remaining road closures. $$ ALZ029-037-038-045>050-171000- /O.CON.KBMX.FF.A.0005.000000T0000Z-210818T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Randolph-Tallapoosa-Chambers-Macon-Bullock-Lee-Russell-Pike-Barbour- Including the cities of Roanoke, Lanett, Union Springs, Eufaula, Alexander City, Auburn, Dadeville, Troy, Lafayette, Phenix City, Tuskegee, Valley, and Opelika 337 PM CDT Mon Aug 16 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY EVENING... The Flash Flood Watch continues for * Portions of east central Alabama and southeast Alabama, including the following areas, in east central Alabama, Chambers, Lee, Macon, Randolph, Russell and Tallapoosa. In southeast Alabama, Barbour, Bullock and Pike. * Through Tuesday evening. * Periods of heavy rainfall are forecast for portions of eastern and southeastern Central Alabama through Tuesday evening. This will be associated with tropical system Fred. Rainfall totals of 2 to 4 inches with locally higher amounts are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 75/Linhares
886 WGUS64 KBMX 170209 FFABMX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Birmingham AL 909 PM CDT Mon Aug 16 2021 ALZ037-170315- /O.CAN.KBMX.FF.A.0005.000000T0000Z-210818T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Tallapoosa- Including the cities of Dadeville and Alexander City 909 PM CDT Mon Aug 16 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for a portion of east central Alabama, including the following area, Tallapoosa has been cancelled. Flooding is no longer expected to pose a threat. $$ ALZ029-038-045>050-171200- /O.EXT.KBMX.FF.A.0005.000000T0000Z-210817T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Randolph-Chambers-Macon-Bullock-Lee-Russell-Pike-Barbour- Including the cities of Roanoke, Lanett, Union Springs, Eufaula, Auburn, Troy, Lafayette, Phenix City, Tuskegee, Valley, and Opelika 909 PM CDT Mon Aug 16 2021 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH TUESDAY AFTERNOON... The Flash Flood Watch is now in effect for * Portions of east central Alabama and southeast Alabama, including the following areas, in east central Alabama, Chambers, Lee, Macon, Randolph and Russell. In southeast Alabama, Barbour, Bullock and Pike. * Through Tuesday afternoon. * Periods of heavy rainfall are forecast for portions of eastern and southeastern Central Alabama through Tuesday evening. This will be associated with tropical system Fred. Rainfall totals of 2 to 4 inches with locally higher amounts are possible. The highest amounts should fall near the Georgia state line. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 75/Linhares
537 WGUS64 KBMX 170810 FFABMX Flood Watch National Weather Service Birmingham AL 310 AM CDT Tue Aug 17 2021 ALZ029-038-045>050-170915- /O.CAN.KBMX.FF.A.0005.000000T0000Z-210817T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Randolph-Chambers-Macon-Bullock-Lee-Russell-Pike-Barbour- Including the cities of Roanoke, Lanett, Union Springs, Eufaula, Auburn, Troy, Lafayette, Phenix City, Tuskegee, Valley, and Opelika 310 AM CDT Tue Aug 17 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for Chambers, Lee, Macon, Randolph, Russell, Barbour, Bullock, and Pike Counties has been cancelled. The Flash Flood Watch is cancelled. Heavy rainfall associated with Fred is diminishing and Flash Flooding is no longer expected to pose an immediate threat. Please continue to heed remaining road closures. $$ 40/Sizemore
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 3:22 AM CDT | Wind Advisory | BMX | Barbour, Bullock, Lee, Macon, Pike, Russell | 24 hr |
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.