Alert archive / Alabama / Flash Flood Warnings in 2008

Flash Flood Warning 27, NWS Mobile, AL

December 10, 20084 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Dec 10, 2008, 9:40 AM CST for 4 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida. 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
Dec 10, 2008, 9:40 AM CST (15:40 UTC)
Expired
Dec 10, 2008, 12:30 PM CST
In force
3 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Baldwin County, AL, Conecuh County, AL, Covington County, AL, Escambia County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 95 km from the middle of the area, began a volume at 15:40 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 3.7 hours before the alert went out and 251 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, Tallahassee Rgnl, FL at 12:00Z on 2008-12-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 103 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, Tallahassee Rgnl, FL at 12:00Z on 2008-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 271 square meters per square second.193958Sfc1 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
103 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
514 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
271 m²/s²
0-3 km storm-relative helicity
319 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 101540
FFWMOB
ALC003-035-039-053-FLC033-091-113-101830-
/O.NEW.KMOB.FF.W.0027.081210T1540Z-081210T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
940 AM CST WED DEC 10 2008

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  THIS INCLUDES THE CITY OF PENSACOLA...
  OKALOOSA COUNTY IN NORTHWEST FLORIDA...
  THIS INCLUDES THE CITIES OF...FORT WALTON BEACH...DESTIN...
  CRESTVIEW...
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
  THIS INCLUDES THE CITY OF NAVARRE...
  SOUTHEASTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
  COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
  THIS INCLUDES THE CITY OF ANDALUSIA...
  EASTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
  THIS INCLUDES THE CITY OF BREWTON...
  SOUTHEASTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 1230 PM CST

* AT 926 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES   
  TO INDICATE HEAVY RAIN FROM TRAINING THUNDERSTORMS OVER THE WARNED 
  AREA.

  REPORTS OF FLOODING FROM THE PUBLIC CONTINUE OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO            
  PENSACOLA...BAGDAD...HAROLD...BAKER...RED OAK AND OPP.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA MAINLY ALONG A LINE FROM GULF BREEZE TO ALLENTOWN TO 
OPP.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 3023 8783 3027 8782 3029 8776 3033 8780
      3067 8771 3149 8683 3145 8619 3100 8620
      3098 8638 3049 8640 3046 8643 3049 8645
      3042 8657 3043 8647 3042 8647 3040 8650
      3040 8674

$$

04
1 follow-up statement
000 
WGUS74 KMOB 101647
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1047 AM CST WED DEC 10 2008

ALC035-101639-
/O.CAN.KMOB.FF.W.0027.000000T0000Z-081210T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CONECUH AL-
1047 AM CST WED DEC 10 2008

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN
CONECUH COUNTY...

LAT...LON 3104 8620 3098 8638 3048 8642 3036 8722
      3037 8722 3046 8693 3055 8701 3044 8709
      3058 8716 3058 8717 3047 8714 3034 8727
      3027 8774 3072 8756 3127 8681 3120 8671
      3135 8670 3147 8654 3144 8619

$$

ALC003-039-053-FLC033-091-113-101830-
/O.CON.KMOB.FF.W.0027.000000T0000Z-081210T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ESCAMBIA AL-COVINGTON AL-BALDWIN AL-OKALOOSA FL-ESCAMBIA FL-
SANTA ROSA FL-
1047 AM CST WED DEC 10 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 PM CST FOR
SANTA ROSA...ESCAMBIA...OKALOOSA...SOUTHERN BALDWIN...COVINGTON AND
EASTERN ESCAMBIA COUNTIES...

AT 1026 AM CST...TRAINED WEATHER SPOTTERS CONTINUE TO REPORT SEVERAL 
ROADS ACROSS THE AREA FLOODED. RADAR ESTIMATES 3 TO 5 INCHES OF 
RAINFALL HAS FALLEN ACROSS THE AREA WITH ISOLATED AMOUNTS OF 5 TO 7 
INCHES. COCORAHS RAINFALL NETWORK REPORTED AROUND 3 INCHES OF RAIN 
HAD FALLEN IN PARTS OF BALDWIN COUNTY ENDING ABOUT 7 AM.   

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
ELSANOR...ORANGE BEACH...MOLINO...BEULAH...PENSACOLA...JAY...
MUNSON...MILTON...NAVARRE...BAKER...CRESTVIEW...FORT WALTON 
BEACH...BRADLEY...ANDALUSIA...AND FLORALA

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES CAN BE EXPECTED ACROSS 
SANTA ROSA AND OKALOOSA COUNTIES...GENERALLY EAST OF NAVARRE BEACH 
TO LAUREL HILL. THE REST OF THE WARNED AREA WILL SEE AROUND AN INCH 
OF RAINFALL. 

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. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM CST WEDNESDAY 
AFTERNOON FOR SANTA ROSA AND OKALOOSA COUNTIES IN NORTHWEST FLORIDA.

LAT...LON 3104 8620 3098 8638 3048 8642 3036 8722
      3037 8722 3046 8693 3055 8701 3044 8709
      3058 8716 3058 8717 3047 8714 3034 8727
      3027 8774 3072 8756 3127 8681 3120 8671
      3135 8670 3147 8654 3144 8619

$$

04

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 2:23 AM CSTSevere Thunderstorm WarningMOBClarke, Wilcox52 min
Dec 10, 2:30 AM CSTSevere Thunderstorm WarningMOBChoctaw45 min
Dec 10, 2:35 AM CSTSpecial Marine WarningMOB40 min
Dec 10, 3:09 AM CSTTornado WarningMOBBaldwin, Mobile25 min
Dec 10, 3:16 AM CSTSpecial Marine WarningMOB44 min
Dec 10, 3:25 AM CSTSevere Thunderstorm WarningMOBBaldwin, Conecuh, Escambia, Monroe50 min
Dec 10, 4:01 AM CSTSpecial Marine WarningMOB59 min
Dec 10, 5:45 AM CSTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia45 min
Dec 10, 5:57 AM CSTAreal Flood AdvisoryMOBEscambia3 hr
Dec 10, 6:05 AM CSTSevere Thunderstorm WarningMOBBaldwin40 min
Dec 10, 6:09 AM CSTTornado WarningMOBBaldwin30 min
Dec 10, 6:27 AM CSTSevere Thunderstorm WarningMOBCovington, Crenshaw18 min
Dec 10, 6:31 AM CSTSevere Thunderstorm WarningMOBCovington29 min
Dec 10, 6:45 AM CSTSpecial Marine WarningMOB2 hr
Dec 10, 7:06 AM CSTSevere Thunderstorm WarningMOBBaldwin39 min
Dec 10, 7:08 AM CSTSevere Thunderstorm WarningMOBCovington52 min
Dec 10, 7:24 AM CSTFlash Flood WarningMOBConecuh, Covington, Escambia3 hr
Dec 10, 7:35 AM CSTSevere Thunderstorm WarningMOBBaldwin40 min
Dec 10, 7:38 AM CSTFlash Flood WarningMOBBaldwin112 min
Dec 10, 7:45 AM CSTSevere Thunderstorm WarningMOBEscambia45 min
Dec 10, 8:14 AM CSTSevere Thunderstorm WarningMOBBaldwin46 min
Dec 10, 8:24 AM CSTTornado WarningMOBCovington36 min
Dec 10, 8:49 AM CSTSevere Thunderstorm WarningMOBCovington41 min
Dec 10, 8:57 AM CSTSpecial Marine WarningMOB2 hr
Dec 10, 9:04 AM CSTSevere Thunderstorm WarningMOBCovington26 min
Dec 10, 10:46 AM CSTSpecial Marine WarningMOB119 min
Dec 10, 12:44 PM CSTSpecial Marine WarningMOB91 min
Dec 10, 2:08 PM CSTSpecial Marine WarningMOB97 min
Dec 10, 9:34 AM CSTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa41 min
Dec 10, 12:32 PM CSTFlash Flood WarningMOBOkaloosa3 hr
Dec 10, 3:02 PM CSTRiver Flood WarningMOBOkaloosa4 days

Nearby

Flash Flood Warnings in Alabama, 2008Flash Flood Warnings in Florida, 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.