Alert archive / Alabama / Flash Flood Warnings in 2014
Flash Flood Warning 21, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood warning at Jun 18, 2014, 6:20 PM CDT for Marshall County, Alabama. It was in force for 115 min. 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 18, 2014, 6:20 PM CDT (23:20 UTC)
- Expired
- Jun 18, 2014, 8:15 PM CDT
- In force
- 115 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Marshall County, AL
The radar
The Northeast Alabama radar (KHTX), 73 km from the middle of the area, began a volume at 23:20 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, 11.3 hours before the alert went out and 133 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.
- Mixed-layer CAPE
- 1445 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 979 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
178
WGUS54 KHUN 182320
FFWHUN
ALC095-190115-
/O.NEW.KHUN.FF.W.0021.140618T2320Z-140619T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
620 PM CDT WED JUN 18 2014
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WEST CENTRAL MARSHALL COUNTY IN NORTHEAST ALABAMA...
* UNTIL 815 PM CDT
* AT 618 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN IN NORTHWESTERN MARSHALL COUNTY...BETWEEN ARAB AND
UNION GROVE. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN IN THE
PAST HOUR...WITH AN ADDITIONAL INCH OF RAINFALL POSSIBLE THROUGH
815 PM CDT.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ARAB...UNION GROVE AND EDDY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3430 8655 3443 8654 3443 8636 3430 8635
$$
121 follow-up statement
843 WGUS74 KHUN 190032 FFSHUN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 732 PM CDT WED JUN 18 2014 ALC095-190041- /O.CAN.KHUN.FF.W.0021.000000T0000Z-140619T0115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARSHALL AL- 732 PM CDT WED JUN 18 2014 ...THE FLASH FLOOD WARNING FOR WEST CENTRAL MARSHALL COUNTY IS CANCELLED... THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. LAT...LON 3430 8655 3443 8654 3443 8636 3430 8635 $$ 12
The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 12:28 PM CDT | Special Weather Statement | HUN | Marshall | 32 min |
| Jun 18, 1:19 PM CDT | Special Weather Statement | HUN | Marshall | 56 min |
| Jun 18, 1:24 PM CDT | Special Weather Statement | HUN | DeKalb | 36 min |
| Jun 18, 3:19 PM CDT | Special Weather Statement | HUN | DeKalb | 41 min |
| Jun 18, 3:42 PM CDT | Special Weather Statement | HUN | Jackson | 33 min |
| Jun 18, 3:51 PM CDT | Special Weather Statement | HUN | Cullman | 24 min |
| Jun 18, 4:35 PM CDT | Special Weather Statement | HUN | Marshall | 25 min |
| Jun 18, 5:05 PM CDT | Special Weather Statement | HUN | Cullman | 25 min |
| Jun 18, 5:15 PM CDT | Special Weather Statement | HUN | Jackson | 15 min |
| Jun 18, 5:24 PM CDT | Special Weather Statement | HUN | Marshall | 36 min |
| Jun 18, 5:56 PM CDT | Special Weather Statement | HUN | Marshall | 34 min |
Nearby
Flash Flood Warnings in Alabama, 2014Every flash flood warning in 2014
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.