Alert archive / Alabama / Flash Flood Warnings in 2021

Flash Flood Warning 24, NWS Birmingham, AL

June 7, 20215 counties in Alabama

NWS Birmingham, AL issued this flash flood warning at Jun 7, 2021, 8:08 PM CDT for 5 counties in Alabama. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 7, 2021, 8:08 PM CDT (01:08 UTC)
Expired: Jun 7, 2021, 11:15 PM CDT
In force: 3 hr
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Flood severity: None

Counties Bibb County, AL, Dallas County, AL, Hale County, AL, Marengo County, AL, Perry County, AL

The radar

The Birmingham radar (KBMX), 102 km from the middle of the area, began a volume at 01:10 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, 1.1 hours before the alert went out and 102 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1708 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 939 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: 17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

559 
WGUS54 KBMX 080108 RRA
FFWBMX
ALC007-047-065-091-105-080415-
/O.NEW.KBMX.FF.W.0024.210608T0108Z-210608T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Birmingham AL
808 PM CDT Mon Jun 7 2021

The National Weather Service in Birmingham has issued a

* Flash Flood Warning for...
  Northeastern Marengo County in southwestern Alabama...
  Perry County in central Alabama...
  Southeastern Hale County in west central Alabama...
  South central Bibb County in central Alabama...
  Western Dallas County in south central Alabama...

* Until 1115 PM CDT.

* At 807 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is ongoing or expected to begin
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flooding of small creeks and streams, urban areas, 
           highways, streets and underpasses as well as other 
           drainage and low lying areas.

* Some locations that will experience flooding include...
  Marion, Uniontown, Orrville, Newbern, Faunsdale, Bogue Chitto,
  Vaiden, Central Mills, Heiberger, Marion Junction, Perry County
  Correctional Center, Judson College, Radford, Morgan Springs,
  Safford, Folsom, Suttle, Oakmulgee, Sprott and Vaiden Field
  Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3220 8732 3220 8736 3222 8737 3222 8739
      3224 8739 3224 8741 3227 8745 3227 8748
      3237 8764 3285 8742 3287 8715 3280 8702
      3271 8702 3219 8732

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...ADDITIONAL 1-2 INCHES IN 1 HOUR

$$

75 Linhares

1 follow-up statement

628 
WGUS74 KBMX 080236
FFSBMX

Flash Flood Statement
National Weather Service Birmingham AL
936 PM CDT Mon Jun 7 2021

ALC007-065-080246-
/O.CAN.KBMX.FF.W.0024.000000T0000Z-210608T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hale AL-Bibb AL-
936 PM CDT Mon Jun 7 2021

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN HALE AND SOUTH CENTRAL
BIBB COUNTIES IS CANCELLED...

Flooding is no longer expected to pose an immediate threat. Please 
continue to heed any remaining road closures.

LAT...LON 3227 8745 3227 8748 3237 8764 3248 8759
      3248 8752 3268 8734 3273 8715 3265 8706
      3244 8717 3237 8722

$$

ALC047-091-105-080415-
/O.CON.KBMX.FF.W.0024.000000T0000Z-210608T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marengo AL-Perry AL-Dallas AL-
936 PM CDT Mon Jun 7 2021

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
NORTHEASTERN MARENGO...CENTRAL PERRY AND WEST CENTRAL DALLAS
COUNTIES...

At 936 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Up to three inches of rain have already 
fallen. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flooding of small creeks and streams, urban areas, 
         highways, streets and underpasses as well as other drainage 
         and low lying areas.

Some locations that will experience flooding include...
Marion, Uniontown, Faunsdale, Bogue Chitto, Vaiden, Central Mills,
Marion Junction, Perry County Correctional Center, Judson College,
Radford, Suttle, Sprott and Vaiden Field Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3227 8745 3227 8748 3237 8764 3248 8759
      3248 8752 3268 8734 3273 8715 3265 8706
      3244 8717 3237 8722

FLASH FLOOD...RADAR INDICATED

$$

40/Sizemore

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 7:11 PM CDT	Special Weather Statement	BMX	Jefferson	34 min
Jun 7, 7:42 PM CDT	Areal Flood Advisory	BMX	Bibb, Chilton, Jefferson, Shelby	2 hr
Jun 7, 8:08 PM CDT	Flash Flood Warning	BMX	Bibb, Chilton, Jefferson, Shelby	3 hr
Jun 7, 8:18 PM CDT	Areal Flood Advisory	BMX	Etowah, St. Clair	3 hr
Jun 7, 11:05 PM CDT	Flash Flood Warning	BMX	Hale, Perry	4 hr
Jun 7, 11:17 PM CDT	Special Weather Statement	BMX	Tallapoosa	43 min
Jun 7, 11:45 PM CDT	Areal Flood Advisory	BMX	Lamar	3 hr
Jun 8, 2:05 AM CDT	Special Weather Statement	BMX	Lamar	55 min
Jun 8, 11:34 AM CDT	River Flood Warning	BMX	Greene, Pickens, Sumter	8 days
Jun 8, 1:38 PM CDT	Special Weather Statement	BMX	Dallas, Lowndes	52 min
Jun 8, 2:21 PM CDT	Special Weather Statement	BMX	Autauga, Dallas, Perry	54 min
Jun 8, 2:47 PM CDT	Special Weather Statement	BMX	Montgomery	28 min
Jun 8, 2:56 PM CDT	Special Weather Statement	BMX	Marengo, Sumter	64 min
Jun 8, 3:10 PM CDT	Special Weather Statement	BMX	Bibb, Chilton, Coosa, Elmore	65 min
Jun 8, 3:45 PM CDT	Special Weather Statement	BMX	Shelby	60 min
Jun 8, 3:55 PM CDT	Special Weather Statement	BMX	Macon	65 min
Jun 8, 3:58 PM CDT	Special Weather Statement	BMX	Greene, Hale	62 min
Jun 8, 4:18 PM CDT	Special Weather Statement	BMX	Macon	27 min
Jun 8, 4:34 PM CDT	Special Weather Statement	BMX	St. Clair, Talladega	56 min
Jun 8, 4:38 PM CDT	Special Weather Statement	BMX	Chambers, Lee	67 min
Jun 8, 4:50 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	25 min
Jun 8, 4:56 PM CDT	Special Weather Statement	BMX	Fayette, Lamar, Marion, Winston	64 min
Jun 8, 5:06 PM CDT	Special Weather Statement	BMX	Pickens	54 min
Jun 8, 5:12 PM CDT	Special Weather Statement	BMX	Chambers	48 min
Jun 8, 5:33 PM CDT	Severe Thunderstorm Warning	BMX	Marion, Walker, Winston	27 min
Jun 8, 5:57 PM CDT	Special Weather Statement	BMX	Fayette, Walker, Winston	63 min

Nearby

Flash Flood Warnings in Alabama, 2021 Every flash flood warning 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.