Alert archive / Alabama / Flash Flood Warnings in 2026

Flash Flood Warning 21, NWS Huntsville, AL

August 7, 2026Lawrence County, Limestone County, Morgan County, Alabama

NWS Huntsville, AL issued this flash flood warning at Aug 7, 2026, 3:50 PM CDT for Lawrence County, Limestone County, Morgan County, Alabama. It was in force for 2 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
Aug 7, 2026, 3:50 PM CDT (20:50 UTC)
Expired
Aug 7, 2026, 6:00 PM CDT
In force
2 hr
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Flood severity
None

Counties Lawrence County, AL, Limestone County, AL, Morgan County, AL

The radar

The Northeast Alabama radar (KHTX), 88 km from the middle of the area, began a volume at 20:51 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, 8.8 hours before the alert went out and 165 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 2026-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1391 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 2026-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -63 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
1391 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
858 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-63 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

446 
WGUS54 KHUN 072050
FFWHUN
ALC079-083-103-072345-
/O.NEW.KHUN.FF.W.0021.260807T2050Z-260807T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Huntsville AL
350 PM CDT Fri Aug 7 2026

The National Weather Service in Huntsville has issued a

* Flash Flood Warning for...
  Southern Limestone County in north central Alabama...
  Northwestern Morgan County in north central Alabama...
  Northeastern Lawrence County in northwestern Alabama...

* Until 645 PM CDT.

* At 350 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 1 and 2.5 inches of rain
  have fallen. 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 indicated.

  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...
  Decatur, Athens, Priceville, Trinity, Tanner, Hillsboro,
  Mooresville, Belle Mina and Ripley.

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.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 3475 8720 3485 8714 3472 8679 3455 8679
      3455 8678 3451 8678 3451 8696 3467 8726

FLASH FLOOD...RADAR INDICATED

$$

AMP
1 follow-up statement
477 
WGUS74 KHUN 072300
FFSHUN

Flash Flood Statement
National Weather Service Huntsville AL
600 PM CDT Fri Aug 7 2026

ALC079-083-103-072310-
/O.CAN.KHUN.FF.W.0021.000000T0000Z-260807T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lawrence AL-Limestone AL-Morgan AL-
600 PM CDT Fri Aug 7 2026

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN LIMESTONE,
NORTHWESTERN MORGAN AND NORTHEASTERN LAWRENCE COUNTIES...

The heavy rain has ended as the thunderstorm complex that produced 1
to 3 inches of rain in an hour has dissipated. Flash Flooding is no
longer expected to pose a threat, but lingering runoff may still be a
concern in a few localized areas. Please continue to heed remaining
road closures.

&&

LAT...LON 3475 8720 3485 8714 3472 8679 3455 8679
      3455 8678 3451 8678 3451 8696 3467 8726

$$

AMP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 2:25 PM CDTSpecial Weather StatementHUNDeKalb50 min
Aug 7, 3:08 PM CDTSpecial Weather StatementHUNMarshall52 min
Aug 7, 3:10 PM CDTSpecial Weather StatementHUNDeKalb50 min
Aug 7, 3:11 PM CDTSpecial Weather StatementHUNLimestone49 min
Aug 7, 3:17 PM CDTSevere Thunderstorm WarningHUNDeKalb, Jackson58 min
Aug 7, 3:52 PM CDTSpecial Weather StatementHUNLimestone53 min
Aug 7, 3:57 PM CDTSpecial Weather StatementHUNJackson48 min
Aug 7, 4:14 PM CDTSpecial Weather StatementHUNMarshall46 min
Aug 7, 4:30 PM CDTSpecial Weather StatementHUNMadison45 min
Aug 7, 4:49 PM CDTSevere Thunderstorm WarningHUNLimestone, Madison, Marshall, Morgan56 min
Aug 7, 5:44 PM CDTSpecial Weather StatementHUNMorgan46 min
Aug 7, 6:26 PM CDTSpecial Weather StatementHUNLawrence49 min
Aug 7, 6:55 PM CDTFlash Flood WarningHUNColbert, Lauderdale117 min

Nearby

Flash Flood Warnings in Alabama, 2026Every flash flood warning in 2026

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.