Alert archive / Alabama / Flash Flood Warnings in 2015

Flash Flood Warning 30, NWS Mobile, AL

December 24, 2015Crenshaw County, Alabama

NWS Mobile, AL issued this flash flood warning at Dec 24, 2015, 8:07 PM CST for Crenshaw 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
Dec 24, 2015, 8:07 PM CST (02:07 UTC)
Expired
Dec 25, 2015, 12:00 AM CST
In force
4 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

County Crenshaw County, AL

The radar

The Ft Rucker radar (KEOX), 81 km from the middle of the area, began a volume at 02:10 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, 2.1 hours before the alert went out and 177 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 2015-12-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 349 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, Birmingham, AL at 00:00Z on 2015-12-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
349 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

522 
WGUS54 KMOB 250207
FFWMOB
ALC041-250600-
/O.NEW.KMOB.FF.W.0030.151225T0207Z-151225T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
807 PM CST THU DEC 24 2015

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL MIDNIGHT CST

* AT 805 PM CST...HEAVY RAINFALL WAS INDICATED OVER CRENSHAW COUNTY.
  RADAR ESTIMATES SHOW 1 TO 2 INCHES OF RAINFALL HAS OCCURRED OVER
  THE PAST HOUR...WHICH HAS FALLEN ON SATURATED GROUND. THESE VALUES
  WILL ONLY PROLONG ONGOING FLOODING PROBLEMS IN THE COUNTY.

* LOCATIONS IMPACTED INCLUDE...
  LUVERNE...             BRANTLEY...            RUTLEDGE...
  DOZIER...              GLENWOOD...            PETREY...

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!

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

IF YOU ARE IN DANGER FROM THE FLOOD WATERS AND NEED RESCUE ASSISTANCE
CALL 911.  TO REPORT FLOODING TO THE NATIONAL WEATHER SERVICE CALL
(800) 284-9059.

&&

LAT...LON 3153 8620 3144 8620 3146 8628 3153 8628
      3145 8640 3153 8640 3153 8650 3163 8650
      3166 8648 3166 8645 3171 8644 3196 8628
      3196 8619 3189 8617 3179 8620 3179 8615
      3166 8615 3162 8618 3162 8615 3154 8614

$$

DB
1 follow-up statement
380 
WGUS74 KMOB 250557
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1157 PM CST THU DEC 24 2015

ALC041-250606-
/O.EXP.KMOB.FF.W.0030.000000T0000Z-151225T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRENSHAW AL-
1157 PM CST THU DEC 24 2015

...THE FLASH FLOOD WARNING FOR CRENSHAW COUNTY WILL BE ALLOWED TO
EXPIRE...

AT 1156 PM CST...THE HEAVY RAINS THAT PROMPTED THE WARNING FOR
CRENSHAW COUNTY HAVE ENDED. AS SUCH...THE FLASH FLOOD WARNING WILL
BE ALLOWED TO EXPIRE AT 1200 AM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT FLOODING TO THE NATIONAL WEATHER SERVICE CALL (800) 284-
9059.

STAY TUNED FOR FURTHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE IN
MOBILE.

&&

LAT...LON 3153 8620 3144 8620 3146 8628 3153 8628
      3145 8640 3153 8640 3153 8650 3163 8650
      3166 8648 3166 8645 3171 8644 3196 8628
      3196 8619 3189 8617 3179 8620 3179 8615
      3166 8615 3162 8618 3162 8615 3154 8614

$$

BUTTS

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 24, 6:58 PM CSTAreal Flood WarningMOBMonroe6 hr
Dec 24, 8:21 PM CSTAreal Flood WarningMOBCovington6 hr
Dec 24, 8:34 PM CSTAreal Flood WarningMOBConecuh6 hr
Dec 24, 8:37 PM CSTRiver Flood WarningMOBCovington, Crenshaw, Escambia5 days
Dec 24, 8:48 PM CSTFlash Flood WarningMOBMonroe6 hr
Dec 24, 8:59 PM CSTFlash Flood WarningMOBWilcox6 hr
Dec 24, 9:16 PM CSTRiver Flood WarningMOBDallas, Monroe, Wilcox14 days
Dec 24, 9:16 PM CSTRiver Flood WarningMOBClarke, Monroe, Wilcox17 days
Dec 24, 10:58 PM CSTSpecial Weather StatementMOBButler32 min
Dec 25, 2:19 AM CSTAreal Flood WarningMOBCovington12 hr
Dec 25, 2:31 AM CSTAreal Flood WarningMOBConecuh12 hr
Dec 25, 3:05 AM CSTAreal Flood WarningMOBMonroe, Wilcox12 hr
Dec 25, 6:02 AM CSTRip Current StatementMOBBaldwin, Mobile3 days
Dec 25, 7:32 AM CSTRiver Flood WarningMOBEscambia25 hr
Dec 25, 12:50 PM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington14 days
Dec 25, 12:50 PM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington14 days
Dec 25, 1:12 PM CSTRiver Flood WarningMOBEscambia19 hr
Dec 25, 1:21 PM CSTSpecial Weather StatementMOBWashington54 min
Dec 25, 2:10 PM CSTAreal Flood WarningMOBCovington12 hr
Dec 25, 4:50 PM CSTSpecial Weather StatementMOBWilcox55 min

Nearby

Flash Flood Warnings in Alabama, 2015Every flash flood warning in 2015

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.