Alert archive / Alabama / Flash Flood Warnings in 2008

Flash Flood Warning 1, NWS Mobile, AL

January 31, 2008Baldwin County, Escambia County, Mobile County, Alabama; Escambia County, Florida; George County, Mississippi

NWS Mobile, AL issued this flash flood warning at Jan 31, 2008, 8:08 PM CST for Baldwin County, Escambia County, Mobile County, Alabama; Escambia County, Florida; George County, Mississippi. It was in force for 2 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
Jan 31, 2008, 8:08 PM CST (02:08 UTC)
Expired
Jan 31, 2008, 10:15 PM CST
In force
2 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Baldwin County, AL, Escambia County, AL, Mobile County, AL, Escambia County, FL, George County, MS

The radar

The Mobile radar (KMOB), 27 km from the middle of the area, began a volume at 02:11 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 175 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 2008-02-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2008-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -231 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
797 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-231 m²/s²
0-3 km storm-relative helicity
-182 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 010209
FFWMOB
ALC003-053-097-FLC033-MSC039-010415-
/O.NEW.KMOB.FF.W.0001.080201T0208Z-080201T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
808 PM CST THU JAN 31 2008

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  WESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
  THIS INCLUDES THE CITY OF BREWTON...
  GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF LUCEDALE...
  NORTHERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITY OF BAY MINETTE...
  MOBILE COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITY OF DOWNTOWN MOBILE...

* UNTIL 1015 PM CST

* AT 752 PM CST...TRAINED WEATHER SPOTTER REPORTED FLOOD WATERS
  COVERING ROADWAYS WEST OF BIG CREEK LAKE NEAR TANNER WILLIAMS.
  RADAR RAINFALL ESTIMATES INDICATE SIMILAR WIDESPREAD RAINFALL
  AMOUNTS OF TWO TO FOUR INCHES ACROSS THE INLAND PORTIONS OF
  SOUTHEAST MISSISSIPPI...SOUTHWEST ALABAMA AND THE EXTREME
  NORTHWEST FLORIDA PANHANDLE.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO...
  LUCEDALE...MOBILE METRO...BAY MINETTE...ROBINSONVILLE...AND BRATT.

ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE INCH ARE POSSIBLE IN 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.

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 3126 8694 3105 8702 3083 8751 3055 8789
      3073 8799 3028 8813 3033 8828 3038 8833
      3036 8839 3073 8843 3077 8886 3099 8883
      3100 8843 3122 8781
TIME...MOT...LOC 0208Z 256DEG 31KT 3092 8801

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 31, 6:25 PM CSTSevere Thunderstorm WarningMOBConecuh, Monroe35 min
Jan 31, 6:44 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw, Escambia, Monroe and 1 more61 min
Jan 31, 6:52 PM CSTSpecial Marine WarningMOB23 min
Jan 31, 7:09 PM CSTSpecial Marine WarningMOB2 hr
Jan 31, 7:31 PM CSTSpecial Marine WarningMOB59 min
Jan 31, 7:45 PM CSTSevere Thunderstorm WarningMOBCovington, Crenshaw45 min
Jan 31, 8:26 PM CSTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia49 min
Jan 31, 8:33 PM CSTSpecial Marine WarningMOB27 min
Jan 31, 9:23 PM CSTSpecial Marine WarningMOB67 min
Jan 31, 9:28 PM CSTSevere Thunderstorm WarningMOBCovington, Crenshaw32 min
Jan 31, 10:09 PM CSTSevere Thunderstorm WarningMOBCovington, Escambia51 min
Jan 31, 11:17 PM CSTSpecial Marine WarningMOB28 min
Feb 1, 5:24 AM CSTFire Weather WatchMOB24 hr
Jan 31, 6:09 PM CSTSevere Thunderstorm WarningMOBGeorge34 min

Nearby

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