Alert archive / Alabama / Flash Flood Warnings in 2016

Flash Flood Warning 3, NWS Mobile, AL

February 23, 2016Choctaw County, Clarke County, Wilcox County, Alabama

NWS Mobile, AL issued this flash flood warning at Feb 23, 2016, 7:25 PM CST for Choctaw County, Clarke County, Wilcox County, Alabama. 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
Feb 23, 2016, 7:25 PM CST (01:25 UTC)
Expired
Feb 23, 2016, 10:30 PM CST
In force
3 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Choctaw County, AL, Clarke County, AL, Wilcox County, AL

The radar

The Birmingham radar (KBMX), 137 km from the middle of the area, began a volume at 01:28 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

Birmingham, AL (KBMX), launched 00:00Z, 1.4 hours before the alert went out and 138 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, Birmingham, AL at 00:00Z on 2016-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 joules per kilogram.LCLLFCEL10008507005003002001001 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, Birmingham, AL at 00:00Z on 2016-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 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
37 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
626 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

520 
WGUS54 KMOB 240125
FFWMOB
ALC023-025-131-240430-
/O.NEW.KMOB.FF.W.0003.160224T0125Z-160224T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
725 PM CST TUE FEB 23 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL CHOCTAW COUNTY IN SOUTHWESTERN ALABAMA...
  WESTERN WILCOX COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTHERN CLARKE COUNTY IN SOUTHWESTERN ALABAMA...

* UNTIL 1030 PM CST
    
* AT 724 PM CST...DOPPLER RADAR INDICATED A SERIES OF THUNDERSTORMS
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  THOMASVILLE...GROVE HILL...PINE HILL...FULTON...YELLOW BLUFF...CATHERINE
  AND BOYKIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW! ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3225 8742 3224 8739 3220 8736 3220 8733
      3214 8728 3214 8725 3212 8726 3209 8723
      3167 8778 3189 8816 3199 8807 3199 8767
      3200 8763 3213 8762 3213 8752 3227 8751
      3227 8744

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 6:01 PM CSTSpecial Marine WarningMOB59 min
Feb 23, 6:06 PM CSTFlash Flood WarningMOBChoctaw, Clarke, Washington3 hr
Feb 23, 6:06 PM CSTSpecial Marine WarningMOB54 min
Feb 23, 6:10 PM CSTTornado WarningMOBChoctaw, Clarke, Washington50 min
Feb 23, 6:29 PM CSTTornado WarningMOBBaldwin, Clarke, Mobile, Washington11 min
Feb 23, 6:31 PM CSTSevere Thunderstorm WarningMOBClarke, Mobile, Monroe, Washington, Wilcox44 min
Feb 23, 6:35 PM CSTSevere Thunderstorm WarningMOBWashington25 min
Feb 23, 6:58 PM CSTSpecial Marine WarningMOB62 min
Feb 23, 7:00 PM CSTSpecial Marine WarningMOB30 min
Feb 23, 7:13 PM CSTTornado Warning Considerable damage threatMOBBaldwin62 min
Feb 23, 7:14 PM CSTSevere Thunderstorm WarningMOBClarke, Monroe, Washington, Wilcox46 min
Feb 23, 7:17 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Monroe, Washington43 min
Feb 23, 7:27 PM CSTSpecial Marine WarningMOB48 min
Feb 23, 7:28 PM CSTAreal Flood AdvisoryMOBBaldwin2 hr
Feb 23, 7:34 PM CSTAreal Flood AdvisoryMOBMobile116 min
Feb 23, 8:01 PM CSTSevere Thunderstorm WarningMOBWilcox21 min
Feb 23, 8:09 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Monroe, Washington39 min
Feb 23, 8:15 PM CSTSpecial Marine WarningMOB15 min
Feb 23, 8:28 PM CSTSpecial Marine WarningMOB32 min
Feb 23, 8:30 PM CSTFlash Flood WarningMOBBaldwin2 hr
Feb 23, 8:59 PM CSTSpecial Marine WarningMOB61 min
Feb 23, 9:08 PM CSTSevere Thunderstorm WarningMOBCovington22 min
Feb 23, 9:56 PM CSTSpecial Weather StatementMOBMonroe34 min
Feb 23, 9:57 PM CSTSpecial Marine WarningMOB63 min
Feb 24, 12:44 AM CSTSpecial Weather StatementMOBChoctaw76 min
Feb 24, 3:59 AM CSTGale WarningMOB17 hr
Feb 24, 1:02 PM CSTRiver Flood WarningMOBDallas, Monroe, Wilcox4 days
Feb 24, 1:02 PM CSTRiver Flood WarningMOBClarke, Monroe, Wilcox8 days

Nearby

Flash Flood Warnings in Alabama, 2016Every flash flood warning in 2016

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.