Alert archive / Alabama / Flash Flood Warnings in 2022

Flash Flood Warning 21, NWS Huntsville, AL

June 8, 2022Franklin County, Lawrence County, Alabama

NWS Huntsville, AL issued this flash flood warning at Jun 8, 2022, 12:04 AM CDT for Franklin County, Lawrence 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
Jun 8, 2022, 12:04 AM CDT (05:04 UTC)
Expired
Jun 8, 2022, 3:15 AM CDT
In force
3 hr
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Flood severity
None

Counties Franklin County, AL, Lawrence County, AL

The radar

The Columbus AFB radar (KGWX), 74 km from the middle of the area, began a volume at 05:08 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, 5.1 hours before the alert went out and 167 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 00:00Z on 2022-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 980 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2022-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
980 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1378 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

227 
WGUS54 KHUN 080504
FFWHUN
ALC059-079-080815-
/O.NEW.KHUN.FF.W.0021.220608T0504Z-220608T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Huntsville AL
1204 AM CDT Wed Jun 8 2022

The National Weather Service in Huntsville has issued a

* Flash Flood Warning for...
  Franklin AL County in northwestern Alabama...
  Southwestern Lawrence County in northwestern Alabama...

* Until 315 AM CDT.

* At 1204 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 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.

  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...
  Russellville, Phil Campbell, Belgreen, Vina, Hodges, Spruce Pine, 
  Isbell, Rockwood, Duketon, Tharptown, Newburg, Little Bear Creek 
  Reservoir, Atwood, Mt Hope and western Bankhead National Forest.

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 3436 8817 3454 8775 3456 8753 3442 8746
      3430 8747 3432 8817

FLASH FLOOD...RADAR INDICATED

$$

McCoy

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 11:16 PM CDTFlash Flood WarningHUNColbert, Franklin3 hr
Jun 7, 11:41 PM CDTSpecial Weather StatementHUNFranklin49 min
Jun 8, 4:50 AM CDTFlash Flood WarningHUNCullman3 hr
Jun 8, 2:07 PM CDTSpecial Weather StatementHUNLawrence23 min
Jun 8, 4:39 PM CDTFlash Flood WarningHUNColbert, Franklin5 hr
Jun 8, 4:44 PM CDTSpecial Weather StatementHUNFranklin46 min
Jun 8, 4:46 PM CDTSpecial Weather StatementHUNJackson29 min
Jun 8, 4:51 PM CDTSevere Thunderstorm WarningHUNColbert, Franklin24 min
Jun 8, 5:05 PM CDTSpecial Weather StatementHUNJackson40 min
Jun 8, 5:14 PM CDTSevere Thunderstorm WarningHUNColbert, Franklin, Lawrence31 min
Jun 8, 5:30 PM CDTSpecial Weather StatementHUNDeKalb45 min
Jun 8, 5:37 PM CDTSevere Thunderstorm WarningHUNColbert, Franklin, Lawrence53 min
Jun 8, 6:12 PM CDTSpecial Weather StatementHUNMorgan48 min
Jun 8, 6:18 PM CDTFlash Flood WarningHUNFranklin, Lawrence3 hr
Jun 8, 6:21 PM CDTSevere Thunderstorm WarningHUNCullman, Marshall, Morgan24 min
Jun 8, 6:28 PM CDTSevere Thunderstorm WarningHUNFranklin, Lawrence32 min
Jun 8, 6:39 PM CDTFlash Flood WarningHUNCullman, Morgan3 hr
Jun 8, 6:46 PM CDTSpecial Weather StatementHUNCullman, Marshall, Morgan44 min

Nearby

Flash Flood Warnings in Alabama, 2022Every flash flood warning in 2022

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.