Alert archive / Alabama / Flash Flood Watches in 2021

Flash Flood Watch 2, NWS Birmingham, AL

June 9, 20219 counties in Alabama

NWS Birmingham, AL issued this flash flood watch at Jun 9, 2021, 10:52 AM CDT for 9 counties in Alabama. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued
Jun 9, 2021, 10:52 AM CDT (15:52 UTC)
Expired
Jun 10, 2021, 6:02 PM CDT
In force
31 hr
Issued by
NWS Birmingham, AL
Flood severity
None

Counties Blount County, AL, Fayette County, AL, Jefferson County, AL, Lamar County, AL, Marion County, AL, Pickens County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL

The radar

The Columbus AFB radar (KGWX), 79 km from the middle of the area, began a volume at 15:51 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, 3.9 hours before the alert went out and 91 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2021-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 714 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2021-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
714 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
547 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
-5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

214 
WGUS64 KBMX 091552
FFABMX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Birmingham AL
1052 AM CDT Wed Jun 9 2021

ALZ011>015-017-022>024-100000-
/O.NEW.KBMX.FF.A.0002.210609T1552Z-210610T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marion-Lamar-Fayette-Winston-Walker-Blount-Pickens-Tuscaloosa-
Jefferson-
Including the cities of Double Springs, Sulligent, Birmingham, 
Fayette, Oneonta, Tuscaloosa, Vernon, Hoover, Hamilton, Jasper, and 
Carrollton
1052 AM CDT Wed Jun 9 2021

...FLASH FLOOD WATCH IN EFFECT UNTIL 10 PM CDT THIS EVENING...

The National Weather Service in Birmingham has issued a

* Flash Flood Watch for portions of central Alabama, northwest 
  Alabama and west central Alabama, including the following areas, 
  in central Alabama, Blount, Jefferson and Walker. In northwest 
  Alabama, Marion and Winston. In west central Alabama, Fayette, 
  Lamar, Pickens and Tuscaloosa.

* Until 10 PM CDT this evening.

* Heavy rainfall has impacted portions of the watch area. Additional 
  heavy rainfall is expected to affect portions of the watch area 
  this afternoon and evening that may result in localized flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

05
4 follow-up statements
491 
WGUS64 KBMX 092128
FFABMX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Birmingham AL
428 PM CDT Wed Jun 9 2021

ALZ011>015-017-022>024-101300-
/O.EXT.KBMX.FF.A.0002.000000T0000Z-210611T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marion-Lamar-Fayette-Winston-Walker-Blount-Pickens-Tuscaloosa-
Jefferson-
Including the cities of Double Springs, Sulligent, Birmingham, 
Fayette, Oneonta, Tuscaloosa, Vernon, Hoover, Hamilton, Jasper, and 
Carrollton
428 PM CDT Wed Jun 9 2021

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH 7 PM THURSDAY EVENING...

The Flash Flood Watch is now in effect for

* Portions of central Alabama, northwest Alabama and west central 
  Alabama, including the following areas, in central Alabama, 
  Blount, Jefferson and Walker. In northwest Alabama, Marion and 
  Winston. In west central Alabama, Fayette, Lamar, Pickens and 
  Tuscaloosa.

* Through Thursday evening.

* Heavy rainfall has impacted portions of the watch area. Additional 
  heavy rainfall is expected to affect portions of the watch area 
  now through  the day on Thursday that may result in localized 
  flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

08
075 
WGUS64 KBMX 100856
FFABMX

Flood Watch
National Weather Service Birmingham AL
356 AM CDT Thu Jun 10 2021

ALZ011>015-017-022>024-102100-
/O.CON.KBMX.FF.A.0002.000000T0000Z-210611T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marion-Lamar-Fayette-Winston-Walker-Blount-Pickens-Tuscaloosa-
Jefferson-
Including the cities of Double Springs, Sulligent, Birmingham, 
Fayette, Oneonta, Tuscaloosa, Vernon, Hoover, Hamilton, Jasper, and 
Carrollton
356 AM CDT Thu Jun 10 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

The Flash Flood Watch continues for

* Portions of central Alabama, northwest Alabama and west central 
  Alabama, including the following areas, in central Alabama, 
  Blount, Jefferson and Walker. In northwest Alabama, Marion and 
  Winston. In west central Alabama, Fayette, Lamar, Pickens and 
  Tuscaloosa.

* Through this evening.

* Heavy rainfall has impacted portions of the watch area. Additional 
  heavy rainfall is expected to affect portions of the watch area 
  now through early this evening and may result in localized 
  flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$
271 
WGUS64 KBMX 102003
FFABMX

Flood Watch
National Weather Service Birmingham AL
303 PM CDT Thu Jun 10 2021

ALZ011>015-017-022>024-110000-
/O.CON.KBMX.FF.A.0002.000000T0000Z-210611T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marion-Lamar-Fayette-Winston-Walker-Blount-Pickens-Tuscaloosa-
Jefferson-
Including the cities of Double Springs, Sulligent, Birmingham, 
Fayette, Oneonta, Tuscaloosa, Vernon, Hoover, Hamilton, Jasper, and 
Carrollton
303 PM CDT Thu Jun 10 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

The Flash Flood Watch continues for

* Portions of central Alabama, northwest Alabama and west central 
  Alabama, including the following areas, in central Alabama, 
  Blount, Jefferson and Walker. In northwest Alabama, Marion and 
  Winston. In west central Alabama, Fayette, Lamar, Pickens and 
  Tuscaloosa.

* Until 7 PM CDT this evening.

* Recent heavy rainfall has impacted portions of the watch area. 
  Additional heavy rainfall may affect portions of the watch area 
  now through early this evening and may result in localized 
  flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

08
635 
WGUS64 KBMX 102302
FFABMX

Flood Watch
National Weather Service Birmingham AL
602 PM CDT Thu Jun 10 2021

ALZ011>015-017-022>024-110015-
/O.CAN.KBMX.FF.A.0002.000000T0000Z-210611T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marion-Lamar-Fayette-Winston-Walker-Blount-Pickens-Tuscaloosa-
Jefferson-
Including the cities of Double Springs, Sulligent, Birmingham, 
Fayette, Oneonta, Tuscaloosa, Vernon, Hoover, Hamilton, Jasper, and 
Carrollton
602 PM CDT Thu Jun 10 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for portions of central Alabama, northwest 
Alabama and west central Alabama, including the following areas, in 
central Alabama, Blount, Jefferson and Walker. In northwest Alabama, 
Marion and Winston. In west central Alabama, Fayette, Lamar, Pickens 
and Tuscaloosa has been cancelled.

The Flood Watch is cancelled. Flooding is no longer expected to pose 
a threat. Please continue to heed remaining road closures. 
Additional rain is still forecasted later tonight and on Friday. 
Conditions will continue to be monitored.

$$

75/Linhares

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 9, 10:05 AM CDTRiver Flood WarningBMXGreene, Marengo, Sumter8 days
Jun 9, 10:06 AM CDTRiver Flood WarningBMXGreene, Hale, Marengo, Sumter9 days
Jun 9, 10:44 AM CDTSpecial Weather StatementBMXEtowah46 min
Jun 9, 11:22 AM CDTSpecial Weather StatementBMXDeKalb38 min
Jun 9, 12:01 PM CDTSpecial Weather StatementBMXWinston44 min
Jun 9, 12:33 PM CDTSpecial Weather StatementBMXDallas42 min
Jun 9, 1:19 PM CDTSpecial Weather StatementBMXLamar, Pickens56 min
Jun 9, 1:59 PM CDTSpecial Weather StatementBMXFayette61 min
Jun 9, 2:03 PM CDTSpecial Weather StatementBMXDallas, Marengo57 min
Jun 9, 2:17 PM CDTSpecial Weather StatementBMXFayette58 min
Jun 9, 2:50 PM CDTSpecial Weather StatementBMXWalker55 min
Jun 9, 3:24 PM CDTSpecial Weather StatementBMXJefferson66 min
Jun 9, 3:32 PM CDTSpecial Weather StatementBMXLowndes58 min
Jun 9, 4:14 PM CDTSpecial Weather StatementBMXShelby31 min
Jun 9, 4:17 PM CDTSpecial Weather StatementBMXSt. Clair43 min
Jun 9, 4:24 PM CDTSpecial Weather StatementBMXMontgomery51 min
Jun 9, 4:48 PM CDTAreal Flood AdvisoryBMXSt. Clair, Shelby, Talladega117 min
Jun 9, 5:11 PM CDTSpecial Weather StatementBMXCalhoun64 min
Jun 9, 5:18 PM CDTSpecial Weather StatementBMXMacon27 min
Jun 9, 5:22 PM CDTSevere Thunderstorm WarningBMXCalhoun, Clay, Cleburne, Talladega68 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.