Alert archive / Alabama / Flash Flood Warnings in 2014

Flash Flood Warning 3, NWS Mobile, AL

March 16, 2014George County, Mississippi; Baldwin County, Mobile County, Alabama

NWS Mobile, AL issued this flash flood warning at Mar 16, 2014, 7:41 AM CDT for George County, Mississippi; Baldwin County, Mobile County, Alabama. It was in force for 4 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
Mar 16, 2014, 7:41 AM CDT (12:41 UTC)
Expired
Mar 16, 2014, 11:45 AM CDT
In force
4 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

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

The radar

The Mobile radar (KMOB), 41 km from the middle of the area, began a volume at 12:43 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 12:00Z, 0.7 hours before the alert went out and 181 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 12:00Z on 2014-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1142 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 12:00Z on 2014-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 284 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
1142 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
284 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
1.7
Supercell composite
8.6

Open this sounding in Storm Lab

The text

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

604 
WGUS54 KMOB 161241
FFWMOB
ALC003-097-MSC039-161645-
/O.NEW.KMOB.FF.W.0003.140316T1241Z-140316T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
741 AM CDT SUN MAR 16 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
  NORTHWESTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
  NORTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITIES OF...SATSUMA...SARALAND...CREOLA...
  CHICKASAW...

* UNTIL 1145 AM CDT

* AT 738 AM CDT...A SERIES OF THUNDERSTORMS PRODUCING VERY HEAVY
  RAINFALL WILL GRADUALLY SHIFT SOUTHWARD ACROSS THE WARNED AREA.
  THESE STORMS WILL PRODUCE 3 TO 4 INCHES OF RAIN IN AN HOUR WITH
  ADDITIONAL HEAVY RAINS CONTINUING TO FALL. THIS WILL LIKELY CAUSE
  FLASH FLOODING IN THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MOVICO AND
  MOUNT VERNON

LAT...LON 3073 8842 3073 8862 3115 8791 3115 8790
      3116 8789 3115 8787 3117 8789 3117 8786
      3119 8785 3128 8770 3106 8762 3076 8804
      3063 8841

$$
1 follow-up statement
485 
WGUS74 KMOB 161633
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1133 AM CDT SUN MAR 16 2014

ALC003-097-MSC039-161642-
/O.CAN.KMOB.FF.W.0003.000000T0000Z-140316T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GEORGE MS-BALDWIN AL-MOBILE AL-
1133 AM CDT SUN MAR 16 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN MOBILE...
NORTHWESTERN BALDWIN AND SOUTHEASTERN GEORGE COUNTIES...

AN AREAL FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR 
GENERAL INUNDATION FLOODING AND PONDING OF WATER.

A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CDT SUNDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

LAT...LON 3073 8842 3073 8862 3115 8791 3115 8790
      3116 8789 3115 8787 3117 8789 3117 8786
      3119 8785 3128 8770 3106 8762 3076 8804
      3063 8841

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 3:44 AM CDTFlash Flood WatchMOBGeorge, Greene, Perry, Stone, Wayne9 hr
Mar 16, 5:53 AM CDTSevere Thunderstorm WarningMOBGreene, Perry, Wayne52 min
Mar 16, 6:31 AM CDTTornado WarningMOBGreene44 min
Mar 16, 6:40 AM CDTAreal Flood AdvisoryMOBGreene, Perry2 hr
Mar 16, 6:43 AM CDTAreal Flood AdvisoryMOBGeorge2 hr
Mar 16, 7:09 AM CDTFlash Flood WarningMOBGeorge3 hr
Mar 16, 7:11 AM CDTFlash Flood WarningMOBPerry3 hr
Mar 16, 9:19 AM CDTAreal Flood WarningMOBGeorge6 hr
Mar 16, 5:06 AM CDTTornado WarningMOBChoctaw, Clarke24 min
Mar 16, 5:30 AM CDTTornado WarningMOBClarke30 min
Mar 16, 6:00 AM CDTTornado WarningMOBClarke, Wilcox45 min
Mar 16, 7:46 AM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile44 min
Mar 16, 7:59 AM CDTTornado WarningMOBBaldwin, Mobile31 min
Mar 16, 8:18 AM CDTTornado WarningMOBEscambia27 min
Mar 16, 8:28 AM CDTSevere Thunderstorm WarningMOBMobile62 min
Mar 16, 8:31 AM CDTSpecial Marine WarningMOB89 min
Mar 16, 8:37 AM CDTTornado WarningMOBConecuh, Covington38 min
Mar 16, 9:01 AM CDTFlash Flood WarningMOBBaldwin, Conecuh, Escambia29 min
Mar 16, 9:25 AM CDTSpecial Marine WarningMOB95 min
Mar 16, 9:48 AM CDTSpecial Marine WarningMOB117 min
Mar 16, 9:49 AM CDTFlash Flood WarningMOBCovington, Escambia3 hr
Mar 16, 10:00 AM CDTAreal Flood AdvisoryMOBBaldwin3 hr
Mar 16, 10:08 AM CDTSevere Thunderstorm WarningMOBBaldwin52 min
Mar 16, 10:14 AM CDTSpecial Marine WarningMOB91 min
Mar 16, 10:59 AM CDTSpecial Marine WarningMOB91 min
Mar 16, 2:35 PM CDTSpecial Marine WarningMOB85 min

Nearby

Flash Flood Warnings in Alabama, 2014Flash Flood Warnings in Mississippi, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.