Alert archive / Mississippi / Flash Flood Warnings in 2008

Flash Flood Warning 23, NWS Mobile, AL

September 1, 20085 counties in Mississippi; Choctaw County, Mobile County, Washington County, Alabama

NWS Mobile, AL issued this flash flood warning at Sep 1, 2008, 9:03 PM CDT for 5 counties in Mississippi; Choctaw County, Mobile County, Washington 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
Sep 1, 2008, 9:03 PM CDT (02:03 UTC)
Expired
Sep 2, 2008, 12:00 AM CDT
In force
3 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Choctaw County, AL, Mobile County, AL, Washington County, AL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 64 km from the middle of the area, began a volume at 02:03 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 2.1 hours before the alert went out and 129 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, Slidell Radar S, LA at 00:00Z on 2008-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 783 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, Slidell Radar S, LA at 00:00Z on 2008-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 549 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
783 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
467 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
549 m²/s²
0-3 km storm-relative helicity
579 m²/s²
Significant tornado parameter
2.8
Supercell composite
11.4

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 020203
FFWMOB
ALC023-097-129-MSC039-041-111-131-153-020500-
/O.NEW.KMOB.FF.W.0023.080902T0203Z-080902T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
903 PM CDT MON SEP 1 2008

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF LUCEDALE...
  GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF LEAKESVILLE...
  PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF NEW AUGUSTA...
  STONE COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF WIGGINS...
  WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF WAYNESBORO...
  SOUTHWESTERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
  MOBILE COUNTY IN SOUTHWEST ALABAMA...
  WESTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITY OF CHATOM...

* UNTIL MIDNIGHT CDT

* AT 858 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO YELLOW
  PINE...YARBO...WILMER...VINEGAR BEND...TURNERVILLE...TIBBIE...
  SIDNEY...SEABOARD...SATSUMA...SARALAND...SALCO...PINEOLA...OAK
  GROVE...MOFFET...MELVIN...LOTT AND COLEMAN DAIRY RO...LOPER...
  KUSHLA...ISNEY...I65 AND US 43...I65 AND AL 158...HEALING
  SPRINGS...GULFCREST...GEORGETOWN...FRUITDALE...EVANSBORO...
  ESCATAWPA...EARLVILLE...DEER PARK...CREOLA...CITRONELLE...
  CHUNCHULA...CELESTE...AXIS...AQUILLA...WOODWARDS...WINGATE...
  WINCHESTER...WHITES CROSSING...WHISTLER...VERNAL...TALLAHALA...
  STRENGTHFORD...STATE LINE...SMITHTOWN...SHIPMAN...SAND HILL...
  RUNNELSTOWN...ROYCE...ROUNSAVILLE...ROBINSON JUNCTION...RICHTON...
  RHODES...PISGAH...PIAVE...NEELY...MULBERRY...MERRILL...MCLAIN...
  MAHNED...LEAF...KITTRELL...JONATHAN...JANICE...HIWANNEE...
  HINTONVILLE...GRETNA...FERGUSON...EVANSTON...EUCUTTA...DENHAM...
  CLARA...CHICORA...BUCKATUNNA...BOTHWELL...BOICE...BEXLEY...
  BENNDALE...BELLEVILLE...BEAUMONT...BATTLES...BASIN...AVERA...AVENT
  STATION...AVENT AND AGRICOLA

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 3092 8933 3092 8914 3143 8914 3144 8893
      3183 8892 3189 8848 3196 8847 3196 8846
      3090 8800 3037 8813 3039 8836 3036 8840
      3073 8843 3075 8887 3068 8887 3067 8934

$$
1 follow-up statement
000 
WGUS74 KMOB 020410
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1110 PM CDT MON SEP 1 2008

ALC023-097-129-020419-
/O.CAN.KMOB.FF.W.0023.000000T0000Z-080902T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON AL-CHOCTAW AL-MOBILE AL-
1110 PM CDT MON SEP 1 2008

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR MOBILE...
SOUTHWESTERN CHOCTAW AND WESTERN WASHINGTON COUNTIES...

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT TUESDAY MORNING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.

THE HEAVY RAINS HAVE MOVED WEST OF THE CANCELLED AREA.

LAT...LON 3143 8914 3144 8893 3183 8892 3186 8860
      3074 8845 3075 8887 3092 8914

$$

MSC039-041-111-131-153-020500-
/O.CON.KMOB.FF.W.0023.000000T0000Z-080902T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GEORGE MS-STONE MS-PERRY MS-GREENE MS-WAYNE MS-
1110 PM CDT MON SEP 1 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
WAYNE...GREENE...PERRY...NORTHEASTERN STONE AND GEORGE COUNTIES...

AT 1104 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODWARDS...
WINGATE...WINCHESTER...WHISTLER...WAYNESBORO...TALLAHALA...
STRENGTHFORD...SMITHTOWN...SAND HILL...RUNNELSTOWN...RICHTON...
RHODES...PIAVE...NEW AUGUSTA...NEELY...MULBERRY...MCLAIN...MAHNED...
LEAKESVILLE...KITTRELL...JONATHAN...HIWANNEE...HINTONVILLE...
FERGUSON...EUCUTTA...CLARA...CHICORA...BOTHWELL...BOICE...
BELLEVILLE...BEAUMONT AND AVERA

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT TUESDAY MORNING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3143 8914 3144 8893 3183 8892 3186 8860
      3074 8845 3075 8887 3092 8914

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 12:02 AM CDTTornado WarningMOBGeorge, Greene, Perry, Stone43 min
Sep 2, 12:21 AM CDTTornado WarningMOBGeorge, Greene, Perry, Stone, Wayne39 min
Sep 2, 12:59 AM CDTTornado WarningMOBPerry21 min
Sep 2, 1:46 AM CDTTornado WarningMOBPerry23 min
Sep 2, 7:15 AM CDTTornado WarningMOBStone45 min
Sep 2, 8:27 AM CDTTornado WarningMOBPerry18 min
Sep 2, 10:30 AM CDTTornado WarningMOBGreene30 min
Sep 1, 7:18 PM CDTRiver Flood WarningMOBBaldwin14 hr
Sep 1, 9:49 PM CDTSmall Craft AdvisoryMOB18 hr
Sep 2, 7:00 AM CDTTornado WarningMOBBaldwin45 min
Sep 2, 7:56 AM CDTSpecial Marine WarningMOB34 min
Sep 2, 8:12 AM CDTTornado WarningMOBBaldwin63 min
Sep 2, 8:53 AM CDTSpecial Marine WarningMOB97 min
Sep 2, 9:00 AM CDTSpecial Marine WarningMOB90 min
Sep 2, 9:20 AM CDTTornado WarningMOBBaldwin40 min
Sep 2, 10:11 AM CDTTornado WarningMOBBaldwin49 min
Sep 2, 10:38 AM CDTSpecial Marine WarningMOB82 min
Sep 2, 11:07 AM CDTTornado WarningMOBBaldwin38 min

Nearby

Flash Flood Warnings in Mississippi, 2008Flash Flood Warnings in Alabama, 2008Every flash flood warning in 2008

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.