Alert archive / Alabama / Flash Flood Warnings in 2025

Flash Flood Warning 21, NWS Birmingham, AL

June 18, 2025Jefferson County, St. Clair County, Shelby County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jun 18, 2025, 3:28 PM CDT for Jefferson County, St. Clair County, Shelby County, Alabama. It was in force for 3 hr. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 18, 2025, 3:28 PM CDT (20:28 UTC)
Expired
Jun 18, 2025, 6:30 PM CDT
In force
3 hr
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Flood severity
None

Counties Jefferson County, AL, Shelby County, AL, St. Clair County, AL

The radar

The Birmingham radar (KBMX), 27 km from the middle of the area, began a volume at 20:31 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.

What was reported inside it

TimeReportWhereRemark
Jun 18, 3:50 PM CDTFLASH FLOOD2 Wnw Barber Motorsport, ALOn-ramp at I-20/I-459 interchange flooded.
Jun 18, 3:55 PM CDTFLASH FLOOD1 Sse Vulcan Park, ALU.S. 31 at Ventura Ave was flooded.
Jun 18, 4:00 PM CDTFLASH FLOOD1 Nw Kingston, ALSocial media photos/videos of flooding in the I-59/20 area south of the airport including 31st St and Tallapoosa St.
Jun 18, 4:40 PM CDTFLASH FLOOD1 Nw Shops Of Grand Riv, ALFloyd Bradford Rd flooded at Amber Hills Rd.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.5 hours before the alert went out and 26 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 2025-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1205 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 2025-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
1205 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

295 
WGUS54 KBMX 182028
FFWBMX
ALC073-115-117-182330-
/O.NEW.KBMX.FF.W.0021.250618T2028Z-250618T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Birmingham AL
328 PM CDT Wed Jun 18 2025

The National Weather Service in Birmingham has issued a

* Flash Flood Warning for...
  Central Jefferson County in central Alabama...
  West Central St. Clair County in central Alabama...
  Northwestern Shelby County in central Alabama...

* Until 630 PM CDT.

* At 328 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 1.5 inches of 
  rain have fallen. Additional rainfall amounts up to 1.5 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...
  Birmingham, Hoover, Vestavia Hills, Alabaster, Bessemer, Homewood, 
  Pelham, Mountain Brook, Trussville, Helena, Hueytown, Irondale, 
  Leeds, Moody, Fairfield, Chelsea, Fultondale, Springville, 
  Odenville and Center Point.

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 3325 8707 3328 8707 3328 8709 3329 8709
      3329 8713 3330 8713 3331 8716 3332 8716
      3332 8718 3334 8718 3356 8688 3384 8640
      3377 8625 3377 8627 3339 8661 3316 8697
      3317 8703 3325 8703

FLASH FLOOD...RADAR INDICATED

$$

12/Robinson
2 follow-up statements
925 
WGUS74 KBMX 182116
FFSBMX

Flash Flood Statement
National Weather Service Birmingham AL
416 PM CDT Wed Jun 18 2025

ALC073-115-117-182330-
/O.CON.KBMX.FF.W.0021.000000T0000Z-250618T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson AL-St. Clair AL-Shelby AL-
416 PM CDT Wed Jun 18 2025

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM CDT THIS 
EVENING FOR CENTRAL JEFFERSON, WEST CENTRAL ST. CLAIR AND 
NORTHWESTERN SHELBY COUNTIES...

At 416 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1 and 1.5 inches of rain have 
fallen. Flooding impacts will continue, but no additional rainfall 
is expected. 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...
  Birmingham, Hoover, Vestavia Hills, Bessemer, Homewood, Pelham, 
  Mountain Brook, Trussville, Helena, Hueytown, Irondale, Leeds, 
  Moody, Fairfield, Fultondale, Springville, Odenville, Center 
  Point, Pleasant Grove and Clay.

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 3329 8709 3329 8713 3330 8713 3331 8716
      3332 8716 3356 8688 3369 8665 3381 8634
      3377 8625 3377 8627 3339 8661 3322 8698
      3325 8703 3325 8707 3328 8707 3328 8709

FLASH FLOOD...RADAR INDICATED

$$

12/Robinson
095 
WGUS74 KBMX 182238
FFSBMX

Flash Flood Statement
National Weather Service Birmingham AL
538 PM CDT Wed Jun 18 2025

ALC115-117-182248-
/O.CAN.KBMX.FF.W.0021.000000T0000Z-250618T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
St. Clair AL-Shelby AL-
538 PM CDT Wed Jun 18 2025

...FLASH FLOOD WARNING IS CANCELLED FOR WEST CENTRAL ST. CLAIR AND 
NORTHWESTERN SHELBY COUNTIES...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

&&

LAT...LON 3373 8653 3366 8653 3362 8655 3356 8655
      3355 8652 3352 8652 3352 8656 3347 8660
      3347 8667 3342 8672 3342 8675 3337 8678
      3336 8683 3333 8683 3333 8688 3325 8698
      3325 8707 3328 8707 3331 8716 3356 8688

$$

ALC073-182330-
/O.CON.KBMX.FF.W.0021.000000T0000Z-250618T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson AL-
538 PM CDT Wed Jun 18 2025

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM CDT THIS 
EVENING FOR SOUTHEASTERN JEFFERSON COUNTY...

At 538 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1 and 2 inches of rain have 
fallen. Flooding impacts will continue, but no additional rainfall 
is expected. 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...
  Birmingham, Hoover, Vestavia Hills, Bessemer, Homewood, Pelham, 
  Mountain Brook, Trussville, Helena, Hueytown, Irondale, Leeds, 
  Moody, Fairfield, Fultondale, Center Point, Pleasant Grove, Clay, 
  Tarrant and Midfield.

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 3373 8653 3366 8653 3362 8655 3356 8655
      3355 8652 3352 8652 3352 8656 3347 8660
      3347 8667 3342 8672 3342 8675 3337 8678
      3336 8683 3333 8683 3333 8688 3325 8698
      3325 8707 3328 8707 3331 8716 3356 8688

FLASH FLOOD...RADAR INDICATED

$$

12/Robinson

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 12:59 PM CDTSpecial Weather StatementBMXAutauga46 min
Jun 18, 1:06 PM CDTSpecial Weather StatementBMXCleburne39 min
Jun 18, 1:13 PM CDTSevere Thunderstorm WarningBMXAutauga33 min
Jun 18, 1:21 PM CDTSpecial Weather StatementBMXAutauga, Coosa, Lowndes39 min
Jun 18, 1:30 PM CDTSevere Thunderstorm WarningBMXChilton, Coosa30 min
Jun 18, 1:33 PM CDTSpecial Weather StatementBMXJefferson42 min
Jun 18, 2:02 PM CDTSpecial Weather StatementBMXCoosa43 min
Jun 18, 2:17 PM CDTSpecial Weather StatementBMXMarengo43 min
Jun 18, 2:41 PM CDTSpecial Weather StatementBMXHale49 min
Jun 18, 2:57 PM CDTSpecial Weather StatementBMXJefferson48 min
Jun 18, 3:13 PM CDTSpecial Weather StatementBMXSt. Clair47 min
Jun 18, 3:21 PM CDTAreal Flood AdvisoryBMXJefferson, St. Clair, Shelby3 hr
Jun 18, 3:24 PM CDTSpecial Weather StatementBMXRandolph51 min
Jun 18, 4:14 PM CDTSpecial Weather StatementBMXFayette46 min

Nearby

Flash Flood Warnings in Alabama, 2025Every flash flood warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.