Alert archive / Alabama / Flash Flood Warnings in 2015

Flash Flood Warning 25, NWS Mobile, AL

December 24, 2015Covington County, Crenshaw County, Alabama

NWS Mobile, AL issued this flash flood warning at Dec 24, 2015, 1:50 PM CST for Covington County, Crenshaw County, Alabama. It was in force for 3 hr. 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: Dec 24, 2015, 1:50 PM CST (19:50 UTC)
Expired: Dec 24, 2015, 4:45 PM CST
In force: 3 hr
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Flood severity: None

Counties Covington County, AL, Crenshaw County, AL

The radar

The Ft Rucker radar (KEOX), 75 km from the middle of the area, began a volume at 19:52 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.

What was reported inside it

Time	Report	Where	Remark
Dec 24, 2:45 PM CST	FLOOD	Andalusia, AL	NUMEROUS ROADS CLOSED IN COVINGTON COUNTY DUE TO FLOODING.
Dec 24, 3:30 PM CST	FLASH FLOOD	3 Se Andalusia, AL	1-2 FEET OF WATER OVER LINDSEY BRIDGE RD NEAR THE INTERSECTION WITH EASLEY DR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.8 hours before the alert went out and 222 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1020 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 579 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 184 m²/s²
0-3 km storm-relative helicity: 195 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

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

249 
WGUS54 KMOB 241950
FFWMOB
ALC039-041-242245-
/O.NEW.KMOB.FF.W.0025.151224T1950Z-151224T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 445 PM CST

* AT 148 PM CST...VERY HEAVY RAINFALL WAS INDICATED OVER THE WARNED
  AREA. RADAR ESTIMATES SHOW 1 TO 2 INCHES OF RAINFALL HAS OCCURRED
  OVER THE PAST HOUR...WHICH HAS FALLEN ON EXTREMELY SATURATED
  GROUND. THIS WILL LIKELY CAUSE FLASH FLOODING IN THE WARNED AREA
  WITH ADDITIONAL HEAVY RAIN EXPECTED OVER AT LEAST THE NEXT HOUR.  

* LOCATIONS IMPACTED INCLUDE...
  ANDALUSIA...           OPP...                 BRANTLEY...
  BABBIE...              DOZIER...              CAROLINA...
  HEATH...               SANFORD...             HORN HILL...
  LIBERTYVILLE...        ROSE HILL...           

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!

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 3138 8619 3113 8635 3117 8665
      3165 8630 3163 8617 3162 8618 3162 8615
      3154 8614

$$

1 follow-up statement

949 
WGUS74 KMOB 242059
FFSMOB

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

ALC039-041-242245-
/O.CON.KMOB.FF.W.0025.000000T0000Z-151224T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRENSHAW AL-COVINGTON AL-
259 PM CST THU DEC 24 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 PM CST FOR
SOUTHEASTERN CRENSHAW AND CENTRAL COVINGTON COUNTIES...

AT 257 PM CST...EMERGENCY MANAGEMENT REPORTED NUMEROUS ROADS FLOODED
IN COVINGTON COUNTY AND TRAVEL IS STRONGLY DISCOURAGED. ADDITIONAL
HEAVY RAIN CONTINUES AND THIS WILL LIKELY RESULT IN ADDITIONAL FLASH
FLOODING IN COVINGTON COUNTY AND SOUTHERN CRENSHAW COUNTY.

LOCATIONS IMPACTED INCLUDE...
ANDALUSIA...           OPP...                 BRANTLEY...
BABBIE...              DOZIER...              CAROLINA...
HEATH...               SANFORD...             HORN HILL...
LIBERTYVILLE...        ROSE HILL...           

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!

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 3138 8619 3113 8635 3117 8665
      3165 8630 3163 8617 3162 8618 3162 8615
      3154 8614

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 23, 7:29 PM CST	River Flood Warning	MOB	Baldwin	43 hr
Dec 23, 9:05 PM CST	Special Weather Statement	MOB	Covington	25 min
Dec 23, 11:00 PM CST	Areal Flood Warning	MOB	Covington, Crenshaw	12 hr
Dec 24, 5:22 AM CST	Areal Flood Advisory	MOB	Mobile	113 min
Dec 24, 6:53 AM CST	Areal Flood Advisory	MOB	Baldwin, Escambia	3 hr
Dec 24, 7:30 AM CST	Special Weather Statement	MOB	Conecuh	60 min
Dec 24, 8:04 AM CST	Areal Flood Advisory	MOB	Escambia	3 hr
Dec 24, 8:27 AM CST	Areal Flood Advisory	MOB	Conecuh	3 hr
Dec 24, 8:46 AM CST	River Flood Warning	MOB	Covington, Escambia	61 hr
Dec 24, 9:21 AM CST	River Flood Warning	MOB	Covington	4 days
Dec 24, 9:28 AM CST	Flash Flood Warning	MOB	Conecuh, Escambia	4 hr
Dec 24, 9:55 AM CST	Areal Flood Advisory	MOB	Monroe	3 hr
Dec 24, 10:02 AM CST	Areal Flood Advisory	MOB	Butler	3 hr
Dec 24, 11:48 AM CST	Areal Flood Warning	MOB	Monroe	6 hr
Dec 24, 12:27 PM CST	Dense Fog Advisory	MOB	Baldwin, Mobile	21 hr
Dec 24, 1:04 PM CST	Areal Flood Advisory	MOB	Covington, Crenshaw	3 hr
Dec 24, 1:22 PM CST	Special Weather Statement	MOB	Covington	38 min
Dec 24, 1:28 PM CST	Areal Flood Warning	MOB	Conecuh, Escambia	6 hr
Dec 24, 2:18 PM CST	Areal Flood Warning	MOB	Butler	6 hr
Dec 24, 2:49 PM CST	Flash Flood Warning	MOB	Monroe	4 hr
Dec 24, 3:07 PM CST	Flash Flood Warning	MOB	Wilcox	4 hr
Dec 24, 4:44 PM CST	Flash Flood Warning	MOB	Covington, Crenshaw	3 hr
Dec 24, 5:22 PM CST	Flash Flood Warning	MOB	Conecuh	3 hr

Nearby

Flash Flood Warnings in Alabama, 2015 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.