Alert archive / Alabama / Flash Flood Warnings in 2014

Flash Flood Warning 40, NWS Mobile, AL

July 15, 2014Choctaw County, Washington County, Alabama; Wayne County, Mississippi

NWS Mobile, AL issued this flash flood warning at Jul 15, 2014, 6:34 AM CDT for Choctaw County, Washington County, Alabama; Wayne County, Mississippi. It was in force for 116 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
Jul 15, 2014, 6:34 AM CDT (11:34 UTC)
Expired
Jul 15, 2014, 8:30 AM CDT
In force
116 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Choctaw County, AL, Washington County, AL, Wayne County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.6 hours before the alert went out and 171 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, Jackson, MS at 00:00Z on 2014-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1798 joules per kilogram.LCLEL10008507005003002001001 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, Jackson, MS at 00:00Z on 2014-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
1798 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1361 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

255 
WGUS54 KMOB 151134
FFWMOB
ALC023-129-MSC153-151330-
/O.NEW.KMOB.FF.W.0040.140715T1134Z-140715T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
634 AM CDT TUE JUL 15 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
  SOUTHWESTERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
  NORTHWESTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 830 AM CDT

* AT 634 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED 
  SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL OVER THE
  WARNED. RADAR ESTIMATES INDICATE THAT 2 TO 3 INCHES OF RAINFALL 
  WITH ISOLATED AMOUNTS OVER 4 INCHES HAS FALLEN DURING THE PAST HOUR.
  EXCESSIVE RUNOFF FROM THE TORRENTIAL RAINS WILL LIKELY CAUSE FLASH
  FLOODING IN THE WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...
  WAYNESBORO...         BUCKATUNNA...         SILAS...
  MILLRY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR OCCURRING. SEEK
HIGHER GROUND IMMEDIATELY. DO NOT DRIVE OR WALK INTO AREAS WHERE
WATER CROSSES A ROAD. TURN AROUND - DON'T DROWN!

NEVER TRY TO CROSS OR PLAY IN AN URBAN SPILLWAY OR FLOWING CREEK...
EVEN A SMALL ONE. URBAN FLASH FLOODING IS A MAJOR KILLER.

&&

LAT...LON 3177 8826 3151 8826 3152 8859 3160 8867
      3179 8862

$$
2 follow-up statements
822 
WGUS74 KMOB 151204
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
704 AM CDT TUE JUL 15 2014

ALC023-129-MSC153-151330-
/O.CON.KMOB.FF.W.0040.000000T0000Z-140715T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHOCTAW AL-WASHINGTON AL-WAYNE MS-
704 AM CDT TUE JUL 15 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM CDT FOR
EASTERN WAYNE...NORTHWESTERN WASHINGTON AND SOUTHWESTERN CHOCTAW
COUNTIES...

AT 702 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
DETECT SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL FROM 
NEAR BUCKATUNNA TO NEAR MILLRY. RADAR ESTIMATES INDICATE THAT 2 TO 3 
INCHES OF RAIN...WITH ISOLATED AMOUNTS OVER 4 INCHES HAVE FALLEN 
DURING THE PAST HOUR ACROSS RURAL LOCATIONS BETWEEN BUCKATUNNA AND 
MILLRY. EXCESSIVE RUNOFF FROM HEAVY RAINS WILL LIKELY CAUSE FLASH 
FLOODING IN THE WARNED AREA.

LOCATIONS IMPACTED INCLUDE...
BUCKATUNNA... 
SILAS... 
MILLRY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR OCCURRING. SEEK
HIGHER GROUND IMMEDIATELY. DO NOT DRIVE OR WALK INTO AREAS WHERE 
WATER CROSSES A ROAD. TURN AROUND - DON'T DROWN!

&&

LAT...LON 3177 8826 3151 8826 3152 8859 3160 8867
      3179 8862

$$
751 
WGUS74 KMOB 151328
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
828 AM CDT TUE JUL 15 2014

ALC023-129-MSC153-151338-
/O.EXP.KMOB.FF.W.0040.000000T0000Z-140715T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHOCTAW AL-WASHINGTON AL-WAYNE MS-
828 AM CDT TUE JUL 15 2014

...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 830 AM CDT
FOR EASTERN WAYNE...NORTHWESTERN WASHINGTON AND SOUTHWESTERN CHOCTAW
COUNTIES...

AT 826 AM CDT...THE HEAVY RAINFALL THAT PROMPTED THE WARNING FOR
EASTERN WAYNE...NORTHWESTERN WASHINGTON AND SOUTHWESTERN CHOCTAW
COUNTIES HAS ENDED...THUS THE FLASH FLOOD WARNING WILL BE ALLOWED TO
EXPIRE AT 830 AM CDT. HOWEVER...PONDING OF WATER MAY STILL BE 
ENCOUNTERED.

LAT...LON 3177 8826 3151 8826 3152 8859 3160 8867
      3179 8862

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 6:01 AM CDTAreal Flood AdvisoryMOBChoctaw, Washington119 min
Jul 15, 10:53 AM CDTSpecial Marine WarningMOB97 min
Jul 15, 11:10 AM CDTSpecial Marine WarningMOB35 min
Jul 15, 12:53 PM CDTSpecial Marine WarningMOB37 min
Jul 15, 1:25 PM CDTSpecial Marine WarningMOB65 min
Jul 15, 1:34 PM CDTAreal Flood AdvisoryMOBBaldwin116 min
Jul 15, 2:59 PM CDTSpecial Marine WarningMOB91 min

Nearby

Flash Flood Warnings in Alabama, 2014Flash Flood Warnings in Mississippi, 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.