Alert archive / Alabama / Flash Flood Warnings in 2009

Flash Flood Warning 2, NWS Mobile, AL

March 27, 20094 counties in Alabama; 4 counties in Mississippi

NWS Mobile, AL issued this flash flood warning at Mar 27, 2009, 1:07 AM CDT for 4 counties in Alabama; 4 counties in Mississippi. It was in force for 4 hr. 6 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 27, 2009, 1:07 AM CDT (06:07 UTC)
Expired
Mar 27, 2009, 4:45 AM CDT
In force
4 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Baldwin County, AL, Clarke County, AL, Mobile County, AL, Washington County, AL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 45 km from the middle of the area, began a volume at 06:07 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.

What was reported inside it

TimeReportWhereRemark
Mar 27, 2:35 AM CDTFLASH FLOODCitronelle, ALCITRONELLE POLICE REPORTED MANY ROADS ARE FLOODED.
Mar 27, 2:53 AM CDTFLASH FLOODMcintosh, ALSOME ROADS REPORTED FLOODED IN MCINTOSH.
Mar 27, 3:02 AM CDTFLASH FLOODWiggins, MSSTONE COUNTY SHERIFFS OFFICE REPORTED WIDESPREAD STREET FLOODING IN WIGGINS AND ACROSS THE COUNTY.
Mar 27, 3:15 AM CDTFLASH FLOOD4 S Leakesville, MSWATER COVERS THE ROADWAY ON VERNAL RIVER ROAD AT SANDY CREEK BRIDGE.
Mar 27, 3:40 AM CDTFLASH FLOOD1 E Leakesville, MSGREENE COUNTY SHERIFFS OFFICE REPORTED THAT ANNEX ROAD IS IMPASSABLE DUE TO HIGH WATER.
Mar 27, 3:56 AM CDTFLASH FLOOD7 Se Leakesville, MSWILL PET ROAD IS CLOSED DUE TO WATER COVERING THE ROADWAY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 6.1 hours before the alert went out and 148 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 2009-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1797 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, Slidell Radar S, LA at 00:00Z on 2009-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 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
1797 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
559 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
245 m²/s²
Significant tornado parameter
3.0
Supercell composite
10.8

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 270607
FFWMOB
ALC003-025-097-129-MSC039-041-111-131-270945-
/O.NEW.KMOB.FF.W.0002.090327T0607Z-090327T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
107 AM CDT FRI MAR 27 2009

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...
  SOUTHERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
  STONE COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF WIGGINS...
  NORTHWESTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITY OF BAY MINETTE...
  SOUTHEASTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
  NORTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
  SOUTHERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 445 AM CDT

* AT 1248 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED   FLASH FLOODING IS POSSIBLE FROM AN EXTENSIVE AREA OF   
  HEAVY RAIN MOVING ACROSS THE WARNING AREA TONIGHT.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  GEORGETOWN...WALKER SPRINGS...WAGARVILLE...VINEGAR BEND...VAUGHN...
  TURNERVILLE...TOPTON...TOINETTE...TIBBIE...TENSAW...SUNFLOWER...
  SUGGSVILLE...STOCKTON...SIDNEY...SEABOARD...SALCO...RABUN...
  PRESTWICK...PINEOLA...MOUNT VERNON...MCINTOSH...MANILLA...
  MALCOLM...LITTLE RIVER...LEROY...LATHAM...JACKSON...I65 AND AL
  59...I65 AND AL 287...I65 AND AL 225...HAWTHORN...GULFCREST...
  GAINESTOWN...FRUITDALE...FORT STODDARD...FAIRFORD...ESCATAWPA...
  EARLVILLE...DYAS...DEER PARK...CORTELUOU...CITRONELLE...
  CHUNCHULA...CHOCTAW BLUFF...CHASTANG...CARSON...CARNEY...CARLTON...
  CALVERT...BUCKS...BLACKSHER...AXIS...ALMA...ALLEN...VERNAL...
  ROYCE...ROUNSAVILLE...PISGAH...NEELY...MERRILL...MCLAIN...LEAF...
  KITTRELL...JONATHAN...JANICE...FERGUSON...BEXLEY...BEAUMONT...AVENT
  STATION AND AVENT

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE 
WARNED AREA. RADAR INDICATES 8 TO 10 INCHES OF RAIN HAS FELL OVER 
THE AREA SINCE TUESDAY NIGHT. ADDITIONAL HEAVY RAIN IS EXPECTED TO 
ENTER THE SOUTHWEST SECTIONS OF THE AREA AROUND 2 AM AND SPREAD 
ACROSS THE WARNING AREA OVERNIGHT. 

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.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

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.

LAT...LON 3092 8914 3114 8914 3166 8756 3141 8767
      3139 8772 3135 8772 3137 8775 3134 8778
      3128 8768 3083 8763 3072 8842 3073 8886
      3068 8888 3068 8922 3065 8923 3065 8931
      3091 8934

$$
1 follow-up statement
000 
WGUS74 KMOB 270736
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
236 AM CDT FRI MAR 27 2009

ALC003-025-097-129-MSC039-041-111-131-270945-
/O.CON.KMOB.FF.W.0002.000000T0000Z-090327T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON AL-CLARKE AL-GEORGE MS-STONE MS-PERRY MS-GREENE MS-
BALDWIN AL-MOBILE AL-
236 AM CDT FRI MAR 27 2009

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR
NORTHERN MOBILE...NORTHWESTERN BALDWIN...GREENE...SOUTHERN PERRY...
STONE...GEORGE...SOUTHEASTERN CLARKE AND SOUTHERN WASHINGTON
COUNTIES...

AT 222 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE VERY HEAVY RAIN...POSSIBLY PRODUCING FLASH FLOODING OVER 
THE WARNED AREA. THE HEAVIEST RAIN AND GREATEST THREAT OF FLASH 
FLOODING IS IN THE AREA BOUNDED BY PINEOLA CHUNCHULA AND GULFCREST. 
THIS AREA OF VERY HEAVY RAIN WILL MOVE OVER THE AREA BETWEEN 
SARALAND AND BUCKS BEFORE 4 AM.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WALKER
SPRINGS...WAGARVILLE...VINEGAR BEND...TOPTON...TOINETTE...TIBBIE...
TENSAW...SUNFLOWER...SUGGSVILLE...SIDNEY...SEABOARD...PRESTWICK...
PINEOLA...MOUNT VERNON...MCINTOSH...MANILLA...MALCOLM...LITTLE
RIVER...LEROY...LATHAM...JACKSON...HAWTHORN...GAINESTOWN...
FRUITDALE...FORT STODDARD...FAIRFORD...ESCATAWPA...DEER PARK...
CORTELUOU...CITRONELLE...CHOCTAW BLUFF...CARSON...CARLTON...
CALVERT...BLACKSHER...ALMA...ALLEN...ROYCE...ROUNSAVILLE...PISGAH...
NEELY...MCLAIN...LEAKESVILLE...KITTRELL...JONATHAN...FERGUSON AND
BEAUMONT

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE ACROSS 
NORTH MOBILE COUNTY AND 1 TO 2 INCHES ELSEWHERE IN THE WARNING  
AREA.

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.

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.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT FRIDAY MORNING FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3092 8914 3114 8914 3166 8756 3141 8767
      3139 8772 3135 8772 3137 8775 3134 8778
      3128 8768 3083 8763 3072 8842 3073 8886
      3068 8888 3068 8922 3065 8923 3065 8931
      3091 8934

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 10:46 PM CDTAreal Flood WarningMOBClarke, Mobile, Washington6 hr
Mar 26, 10:57 PM CDTSpecial Marine WarningMOB63 min
Mar 27, 2:47 AM CDTSevere Thunderstorm WarningMOBMobile43 min
Mar 27, 3:12 AM CDTAreal Flood AdvisoryMOBBaldwin, Mobile108 min
Mar 27, 3:12 AM CDTSpecial Marine WarningMOB63 min
Mar 27, 3:28 AM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile47 min
Mar 27, 4:10 AM CDTSevere Thunderstorm WarningMOBBaldwin, Conecuh, Escambia65 min
Mar 27, 4:12 AM CDTSpecial Marine WarningMOB63 min
Mar 27, 4:19 AM CDTAreal Flood AdvisoryMOBChoctaw, Clarke116 min
Mar 27, 4:24 AM CDTTornado WarningMOBBaldwin36 min
Mar 27, 4:53 AM CDTTornado WarningMOBEscambia27 min
Mar 27, 4:54 AM CDTSevere Thunderstorm WarningMOBConecuh36 min
Mar 27, 5:09 AM CDTSpecial Marine WarningMOB111 min
Mar 27, 5:17 AM CDTTornado WarningMOBConecuh, Covington, Escambia33 min
Mar 27, 5:46 AM CDTTornado WarningMOBButler, Crenshaw59 min
Mar 27, 5:49 AM CDTTornado WarningMOBCovington, Crenshaw41 min
Mar 27, 5:56 AM CDTTornado WarningMOBCovington49 min
Mar 27, 6:53 AM CDTSpecial Marine WarningMOB112 min
Mar 27, 9:05 AM CDTSpecial Marine WarningMOB115 min
Mar 27, 10:09 AM CDTRiver Flood WarningMOBMobile47 hr
Mar 27, 10:12 AM CDTRiver Flood WarningMOBDallas, Monroe, Wilcox7 days
Mar 27, 11:09 AM CDTSpecial Marine WarningMOB111 min
Mar 27, 12:59 PM CDTSpecial Marine WarningMOB2 hr
Mar 27, 2:44 PM CDTAreal Flood WarningMOBMobile12 hr
Mar 27, 3:44 PM CDTSpecial Marine WarningMOB91 min
Mar 27, 5:13 PM CDTSpecial Marine WarningMOB62 min
Mar 26, 8:22 PM CDTAreal Flood AdvisoryMOBPerry, Stone3 hr
Mar 26, 9:18 PM CDTAreal Flood WarningMOBStone6 hr
Mar 27, 1:40 AM CDTSevere Thunderstorm WarningMOBStone50 min
Mar 27, 1:50 AM CDTTornado WarningMOBStone25 min

Nearby

Flash Flood Warnings in Alabama, 2009Flash Flood Warnings in Mississippi, 2009Every flash flood warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.