Alert archive / Alabama / Flash Flood Warnings in 2005

Flash Flood Warning 1, NWS Mobile, AL

March 31, 2005Choctaw County, Alabama; Wayne County, Mississippi

NWS Mobile, AL issued this flash flood warning at Mar 31, 2005, 7:26 AM CST for Choctaw County, Alabama; Wayne County, Mississippi. It was in force for 94 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
Mar 31, 2005, 7:26 AM CST (13:26 UTC)
Expired
Mar 31, 2005, 9:00 AM CST
In force
94 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

Counties Choctaw County, AL, Wayne County, MS

The radar

The Mobile radar (KMOB), 127 km from the middle of the area, began a volume at 13:26 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

Jackson, MS (KJAN), launched 12:00Z, 1.4 hours before the alert went out and 156 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 12:00Z on 2005-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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, Jackson, MS at 12:00Z on 2005-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -234 square meters per square second.19395878Sfc1 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
54 J/kg
Mixed-layer CIN
-194 J/kg
Mixed-layer LCL
856 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
-234 m²/s²
0-3 km storm-relative helicity
-143 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.

000 
WGUS54 KMOB 311333
FFWMOB
ALC023-MSC153-311500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
726 AM CST THU MAR 31 2005

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  CHOCTAW COUNTY IN SOUTHWEST ALABAMA
  WAYNE COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 900 AM CST

* AT 717 AM CST...MEDIA REPORTED FLASH FLOODING FROM A LINE OF 
  THUNDERSTORMS  OCCURRING OVER PARTS OF IN AND AROUND THE BUTLER
  AREA OF CHOCTAW COUNTY ALABAMA.  RADAR INDICATES FLASH FLOODING
  IS ALSO LIKELY OCCURRING OVER MUCH OF WAYNE COUNTY MISSISSIPPI.
  THE LINE OF STORMS IS MOVING EAST AT 10 TO 15 MPH...WHILE INDIVIDUAL
  STORMS ALONG THE LINE ARE MOVING NORTHEAST AT AROUND 35 TO 40 MPH.  
  OBSERVERS REPORT THAT JUST OVER 5 INCHES OF RAINFALL HAS OCCURRED
  SINCE EARLY WEDNESDAY EVENING.   

* THE THUNDERSTORMS PRODUCING THE HEAVY RAIN WILL EFFECT AREAS AROUND...
   BUTLER...CHAPPELL HILL...WAYNESBORO...BUCKATUNNA AND MULBERRY THROUGH
   900 AM CST

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES IN A SHORT PERIOD OF TIME
WILL BE LIKELY OVER THE WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 3146 8892 3148 8850 3170 8845 3172 8816
      3233 8812 3233 8841 3182 8895

$$
1 follow-up statement
000 
WGUS74 KMOB 311433
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
832 AM CST THU MAR 31 2005

ALC023-MSC153-311500-
CHOCTAW AL-WAYNE MS-
832 AM CST THU MAR 31 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 900 AM CST FOR WAYNE AND
CHOCTAW COUNTIES...

AT 826 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE MODERATE RAINFALL CAPABLE OF PRODUCING FLASH FLOODING OVER
WAYNE AND CHOCTAW COUNTIES.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO YANTLEY...
WOMACK HILL...WIMBLY...WATER VALLEY...TOXEY...ROCK SPRINGS...
ROBJOHN...RIDERWOOD...PUSHMATAHA...PARAGON...NEEDHAM...MT STERLING...
MELVIN...LOU...LISMAN...LAND...JACHIN...HODGEWOOD...HINTON...
HALSELL...GILBERTOWN...EVANSBORO...CYRIL...CROMWELL...CHAPPELL
HILL...BUTLER...BARRYTOWN AND ARARAT.

ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE HALF INCH ARE POSSIBLE IN
THE WARNED AREA OVER THE NEXT HALF HOUR.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

LAT...LON 3146 8892 3148 8850 3170 8845 3172 8816
      3233 8812 3233 8841 3182 8895

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 7:21 PM CSTSevere Thunderstorm WarningMOBChoctaw25 min
Mar 30, 7:56 PM CSTSevere Thunderstorm WarningMOBWashington34 min
Mar 30, 8:24 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Monroe, Washington, Wilcox36 min
Mar 30, 8:58 PM CSTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox32 min
Mar 30, 9:29 PM CSTSevere Thunderstorm WarningMOBWilcox31 min
Mar 31, 2:22 AM CSTSevere Thunderstorm WarningMOBChoctaw23 min
Mar 31, 2:58 AM CSTSevere Thunderstorm WarningMOBChoctaw47 min
Mar 31, 7:48 AM CSTFlash Flood WarningMOBClarke, Washington, Wilcox117 min
Mar 31, 11:21 AM CSTSpecial Marine WarningMOB24 min
Mar 31, 11:50 AM CSTSpecial Marine WarningMOB25 min
Mar 31, 2:17 PM CSTSpecial Marine WarningMOB58 min
Mar 31, 2:36 PM CSTSevere Thunderstorm WarningMOBBaldwin24 min
Mar 31, 3:13 PM CSTSpecial Marine WarningMOB17 min
Mar 30, 7:00 PM CSTSevere Thunderstorm WarningMOBPerry30 min
Mar 30, 7:31 PM CSTSevere Thunderstorm WarningMOBGreene, Wayne29 min

Nearby

Flash Flood Warnings in Alabama, 2005Flash Flood Warnings in Mississippi, 2005Every flash flood warning in 2005

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.