Alert archive / Alabama / Flash Flood Warnings in 2014

Flash Flood Warning 6, NWS Mobile, AL

March 28, 2014Choctaw County, Clarke County, Washington County, Alabama; Greene County, Perry County, Wayne County, Mississippi

NWS Mobile, AL issued this flash flood warning at Mar 28, 2014, 6:57 AM CDT for Choctaw County, Clarke County, Washington County, Alabama; Greene County, Perry County, Wayne 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
Mar 28, 2014, 6:57 AM CDT (11:57 UTC)
Expired
Mar 28, 2014, 9:00 AM CDT
In force
2 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Choctaw County, AL, Clarke County, AL, Washington County, AL, Greene County, MS, Perry County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 109 km from the middle of the area, began a volume at 12:00 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

Jackson, MS (KJAN), launched 00:00Z, 12.0 hours before the alert went out and 163 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, Jackson, MS at 00:00Z on 2014-03-28Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2014-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
970 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

725 
WGUS54 KMOB 281157
FFWMOB
ALC023-025-129-MSC041-111-153-281400-
/O.NEW.KMOB.FF.W.0006.140328T1157Z-140328T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
657 AM CDT FRI MAR 28 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
  NORTHERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
  WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
  SOUTHERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
  CLARKE COUNTY IN SOUTHWEST ALABAMA...
  WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 900 AM CDT

* AT 651 AM CDT...A LARGE AREA OF SHOWERS AND THUNDERSTORMS WITH VERY
  HEAVY RAINFALL WAS INDICATED OVER THE WARNED AREA. RADAR ESTIMATES
  SHOW 2 TO 3 INCHES OF RAINFALL HAS OCCURRED OVER THE PAST ONE TO 
  HOURS AND ADDITIONAL HEAVY RAINFALL WILL LIKELY CAUSE FLASH 
  FLOODING IN THE WARNED AREA. A FEW OF THE MAJOR ROADWAYS IMPACTED  
  INCLUDE HIGHWAY 84...HIGHWAY 45...AND HIGHWAY 43. 

* LOCATIONS IMPACTED INCLUDE...
  WAYNESBORO...         STATE LINE...         CLARA...
  BUCKATUNNA...         RICHTON...            NEW AUGUSTA...
  BEAUMONT...           TOXEY...              SILAS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR OCCURRING. SEEK
HIGHER GROUND IMMEDIATELY. DO NOT DRIVE OR WALK INTO AREAS WHERE
WATER CROSSES A ROAD. TURN AROUND - DON'T DROWN!

&&

LAT...LON 3144 8915 3144 8895 3183 8894 3184 8873
      3189 8849 3196 8847 3200 8769 3164 8757
      3130 8780 3111 8915

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 6:23 AM CDTAreal Flood AdvisoryMOBChoctaw, Washington3 hr
Mar 28, 7:27 AM CDTAreal Flood AdvisoryMOBMobile63 min
Mar 28, 8:24 AM CDTSpecial Marine WarningMOB66 min
Mar 28, 8:49 AM CDTAreal Flood AdvisoryMOBMobile116 min
Mar 28, 9:00 AM CDTAreal Flood WarningMOBWashington3 hr
Mar 28, 9:15 AM CDTSevere Thunderstorm WarningMOBMobile45 min
Mar 28, 9:27 AM CDTSpecial Marine WarningMOB93 min
Mar 28, 9:30 AM CDTSpecial Marine WarningMOB90 min
Mar 28, 9:34 AM CDTSevere Thunderstorm WarningMOBMobile41 min
Mar 28, 9:41 AM CDTSevere Thunderstorm WarningMOBBaldwin64 min
Mar 28, 9:47 AM CDTAreal Flood AdvisoryMOBBaldwin118 min
Mar 28, 10:00 AM CDTAreal Flood AdvisoryMOBBaldwin2 hr
Mar 28, 10:09 AM CDTFlash Flood WarningMOBBaldwin3 hr
Mar 28, 10:31 AM CDTAreal Flood WarningMOBBaldwin3 hr
Mar 28, 10:54 AM CDTSpecial Marine WarningMOB81 min
Mar 28, 12:39 PM CDTAreal Flood WarningMOBBaldwin, Mobile12 hr
Mar 28, 1:14 PM CDTFlash Flood WatchMOBChoctaw, Clarke, Conecuh, Covington, Escambia, Monroe and 1 more15 hr
Mar 28, 1:53 PM CDTRiver Flood WarningMOBBaldwin21 hr
Mar 28, 3:05 PM CDTSmall Craft AdvisoryMOB4 hr
Mar 28, 11:59 AM CDTRiver Flood WarningMOBGeorge, Greene, Perry23 days
Mar 28, 11:59 AM CDTRiver Flood WarningMOBGeorge, Greene, Wayne26 days

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.