Alert archive / Alabama / Flash Flood Warnings in 2014

Flash Flood Warning 26, NWS Mobile, AL

April 29, 2014Baldwin County, Mobile County, Alabama

NWS Mobile, AL issued this flash flood warning at Apr 29, 2014, 7:50 PM CDT for Baldwin County, Mobile County, Alabama. It was in force for 115 min. 2 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
Apr 29, 2014, 7:50 PM CDT (00:50 UTC)
Expired
Apr 29, 2014, 9:45 PM CDT
In force
115 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Baldwin County, AL, Mobile County, AL

What was reported inside it

TimeReportWhereRemark
Apr 29, 8:44 PM CDTFLASH FLOOD4 E Mobile Airport, ALINTERSECTION OF UNIVERSITY AND OLD SHELL IS UNDERWATER.
Apr 29, 9:45 PM CDTFLASH FLOODSpanish Fort, ALHIGH WATER OVER HWY 31 NEAR SPANISH FORT BLVD WITH WATER CASCADING OVER CAR HOODS.

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, 0.8 hours before the alert went out and 180 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 2014-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3284 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2014-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 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
3284 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
577 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
3.5
Supercell composite
13.5

Open this sounding in Storm Lab

The text

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

502 
WGUS54 KMOB 300050
FFWMOB
ALC003-097-300245-
/O.NEW.KMOB.FF.W.0026.140430T0050Z-140430T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
ISSUED BY NATIONAL WEATHER SERVICE NEW ORLEANS LA
750 PM CDT TUE APR 29 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  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 945 PM CDT

* AT 742 PM CDT...FLASH FLOODING WAS REPORTED FROM A THUNDERSTORM
  OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WILMER...
  WHITEHOUSE FORKS...WHISTLER...WALLACE TUNNEL...UNIVERSITY OF SOUTH
  ALABAMA...TANNER WILLIAMS...STEELWOOD...STAPLETON...SPRING HILL       
  COLLEGE...SPANISH FORT...SEMMES...SATSUMA...SARALAND...ROSINTON...
  PRICHARD...PINTO ISLAND...  PHILLIPSVILLE...PARK CITY...OAK 
  GROVE...MOFFET...KUSHLA...JACKSON OAK...GEORGETOWN...GATESWOOD...
  FOREST HILL...DAWES...DAPHNE...CROSSROADS...CRICHTON...CREOLA...
  CHUNCHULA...CHICKASAW...CELESTE...CARPENTER...CARNEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE WARNED 
AREA. THIS WILL LIKELY CAUSE FLASH FLOODING DUE TO SATURATED GROUNDS 
FROM EARLIER HEAVY RAINFALL.

REMEMBER...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.

&&

LAT...LON 3041 8791 3048 8794 3061 8792 3066 8795
      3068 8801 3057 8808 3037 8810 3037 8832
      3039 8833 3038 8839 3094 8842 3095 8760
      3085 8763 3074 8753 3067 8741 3061 8739
      3051 8745 3042 8739 3036 8745 3029 8777

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 7:35 PM CDTSevere Thunderstorm WarningMOBConecuh, Escambia, Monroe25 min
Apr 29, 8:18 PM CDTSpecial Marine WarningMOB42 min
Apr 29, 8:20 PM CDTSpecial Marine WarningMOB25 min
Apr 29, 8:53 PM CDTRiver Flood WarningMOBBaldwin, Covington, Escambia57 hr
Apr 29, 9:02 PM CDTSevere Thunderstorm WarningMOBCovington43 min
Apr 29, 9:05 PM CDTSpecial Marine WarningMOB40 min
Apr 29, 9:07 PM CDTFlash Flood Warning EmergencyMOBBaldwin, Mobile18 hr
Apr 29, 9:49 PM CDTTornado WarningMOBCovington26 min
Apr 29, 10:23 PM CDTRiver Flood WarningMOBBaldwin40 hr
Apr 29, 10:46 PM CDTSpecial Marine WarningMOB89 min
Apr 29, 11:23 PM CDTRiver Flood WarningMOBBaldwin, Covington, Escambia49 hr
Apr 29, 11:34 PM CDTRiver Flood WarningMOBBaldwin69 hr
Apr 29, 11:43 PM CDTSpecial Marine WarningMOB92 min
Apr 30, 1:26 AM CDTSpecial Marine WarningMOB94 min
Apr 30, 1:43 AM CDTRiver Flood WarningMOBBaldwin50 hr
Apr 30, 2:04 AM CDTSpecial Marine WarningMOB26 min
Apr 30, 2:14 AM CDTSevere Thunderstorm WarningMOBButler, Clarke, Monroe, Wilcox46 min
Apr 30, 2:48 AM CDTSpecial Marine WarningMOB117 min
Apr 30, 4:29 AM CDTSpecial Marine WarningMOB2 hr
Apr 30, 6:26 AM CDTSpecial Marine WarningMOB2 hr
Apr 30, 7:06 AM CDTCoastal Flood StatementMOB8 hr
Apr 30, 9:04 AM CDTSevere Thunderstorm WarningMOBCovington26 min
Apr 30, 10:35 AM CDTRiver Flood WarningMOBBaldwin, Escambia71 hr
Apr 30, 2:06 PM CDTAreal Flood WarningMOBBaldwin, Mobile24 hr

Nearby

Flash Flood Warnings in Alabama, 2014Every flash flood warning in 2014

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.