Alert archive / Alabama / Flash Flood Warnings in 2024

Flash Flood Warning 21, NWS Birmingham, AL

September 25, 2024Chambers County, Lee County, Alabama

NWS Birmingham, AL issued this flash flood warning at Sep 25, 2024, 3:01 PM CDT for Chambers County, Lee County, 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
Sep 25, 2024, 3:01 PM CDT (20:01 UTC)
Expired
Sep 25, 2024, 6:00 PM CDT
In force
3 hr
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Flood severity
None

Counties Chambers County, AL, Lee County, AL

The radar

The Maxwell AFB radar (KMXX), 44 km from the middle of the area, began a volume at 20:04 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.0 hours before the alert went out and 108 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, Peachtre/Fal Fld, GA at 12:00Z on 2024-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 543 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, Peachtre/Fal Fld, GA at 12:00Z on 2024-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.19395878Sfc1 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
543 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
905 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

286 
WGUS54 KBMX 252001
FFWBMX
ALC017-081-252300-
/O.NEW.KBMX.FF.W.0021.240925T2001Z-240925T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Birmingham AL
301 PM CDT Wed Sep 25 2024

The National Weather Service in Birmingham has issued a

* Flash Flood Warning for...
  Southeastern Chambers County in east central Alabama...
  Central Lee County in east central Alabama...

* Until 600 PM CDT.

* At 301 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. The expected rainfall rate is 1 to 2 inches in 1 
  hour. Additional rainfall amounts of 1 to 2 inches are possible in 
  the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Auburn, Opelika, Lanett, Lafayette, La Fayette, Lakeview, Cusseta, 
  Oak Bowery, Chambers County Lake, Beans Mill, Huguley, Denson, 
  Auburn University, Beauregard, Fredonia, Amity Park, Veasey Creek 
  Park, Mount Jefferson, Lanett Municipal Airport and Robert G. 
  Pitts Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3296 8539 3300 8531 3300 8521 3286 8518
      3285 8517 3258 8530 3248 8542 3248 8544
      3250 8544 3250 8548 3252 8554 3273 8550
      3278 8545

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

$$

40/Sizemore
1 follow-up statement
780 
WGUS74 KBMX 252059
FFSBMX

Flash Flood Statement
National Weather Service Birmingham AL
359 PM CDT Wed Sep 25 2024

ALC017-081-252300-
/O.CON.KBMX.FF.W.0021.000000T0000Z-240925T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chambers AL-Lee AL-
359 PM CDT Wed Sep 25 2024

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING 
FOR SOUTHEASTERN CHAMBERS AND CENTRAL LEE COUNTIES...

At 359 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 2.5 and 4 inches of rain have 
fallen. The expected rainfall rate is 0.5 to 1 inch in 1 hour. 
Additional rainfall amounts up to 1 inch are possible in the warned 
area. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Auburn, Opelika, Lanett, Lafayette, La Fayette, Lakeview, Cusseta, 
  Oak Bowery, Chambers County Lake, Beans Mill, Huguley, Denson, 
  Auburn University, Beauregard, Fredonia, Amity Park, Veasey Creek 
  Park, Mount Jefferson, Lanett Municipal Airport and Robert G. 
  Pitts Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3296 8539 3300 8531 3300 8521 3286 8518
      3285 8517 3258 8530 3248 8542 3248 8544
      3250 8544 3250 8548 3252 8554 3273 8550
      3278 8545

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.5-1 INCH IN 1 HOUR

$$

40/Sizemore

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 24, 9:59 PM CDTFlood WatchBMXAutauga, Barbour, Blount, Bullock, Calhoun, Chambers and 19 more57 hr
Sep 25, 9:33 AM CDTSpecial Weather StatementBMXCleburne27 min
Sep 25, 10:17 AM CDTTropical Storm WarningBMXBarbour, Bullock, Chambers, Cherokee, Cleburne, Lee and 4 more42 hr
Sep 25, 10:43 AM CDTRiver Flood WarningBMXElmore, Montgomery34 hr
Sep 25, 10:46 AM CDTRiver Flood WarningBMXChambers, Randolph, Tallapoosa34 hr
Sep 25, 10:50 AM CDTRiver Flood WarningBMXElmore, Macon, Montgomery23 hr
Sep 25, 1:21 PM CDTAreal Flood AdvisoryBMXMontgomery54 min
Sep 25, 1:38 PM CDTAreal Flood AdvisoryBMXChambers, Lee3 hr
Sep 25, 2:08 PM CDTSpecial Weather StatementBMXBullock37 min
Sep 25, 2:51 PM CDTSpecial Weather StatementBMXBarbour39 min
Sep 25, 3:38 PM CDTSpecial Weather StatementBMXRussell52 min
Sep 25, 3:49 PM CDTWind AdvisoryBMXAutauga, Barbour, Blount, Bullock, Calhoun, Chambers and 26 more54 hr

Nearby

Flash Flood Warnings in Alabama, 2024Every flash flood warning in 2024

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.