Alert archive / Florida / Flash Flood Warnings in 2014

Flash Flood Warning 31, NWS Mobile, AL

May 14, 2014Escambia County, Okaloosa County, Santa Rosa County, Florida; Conecuh County, Covington County, Escambia County, Alabama

NWS Mobile, AL issued this flash flood warning at May 14, 2014, 9:48 AM CDT for Escambia County, Okaloosa County, Santa Rosa County, Florida; Conecuh County, Covington County, Escambia County, Alabama. It was in force for 6 hr. 1 report 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
May 14, 2014, 9:48 AM CDT (14:48 UTC)
Expired
May 14, 2014, 3:45 PM CDT
In force
6 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Conecuh County, AL, Covington County, AL, Escambia County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 96 km from the middle of the area, began a volume at 14:51 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

TimeReportWhereRemark
May 14, 11:10 AM CDTFLASH FLOOD5 Nw Whiting Field, FLALLENTOWN RD WEST OF HAWSEY LANE CLOSED DUE TO WATER OVER THE ROAD.

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, 2.8 hours before the alert went out and 252 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, Tallahassee Rgnl, FL at 12:00Z on 2014-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 501 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, Tallahassee Rgnl, FL at 12:00Z on 2014-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 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
501 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
711 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

134 
WGUS54 KMOB 141448
FFWMOB
ALC035-039-053-FLC033-091-113-142045-
/O.NEW.KMOB.FF.W.0031.140514T1448Z-140514T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
948 AM CDT WED MAY 14 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EXTREME SOUTHEASTERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  OKALOOSA COUNTY IN NORTHWEST FLORIDA...
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
  SOUTHEASTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
  WESTERN COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
  EASTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 345 PM CDT

* AT 938 AM CDT...SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAINFALL
  WERE INDICATED OVER THE WARNED AREA AND RADAR ESTIMATES SHOW 2 TO
  3 INCHES OF RAINFALL HAS OCCURRED OVER THE PAST THREE HOURS. ONE
  TO TWO INCH PER HOUR RAINFALL RATES AREA OCCURRING AS WELL.
  ADDITIONAL THUNDERSTORMS ARE DEVELOPING AND WILL MOVE OVER THE
  SAME AREAS THIS MORNING AND INTO THIS AFTERNOON. THIS WILL LIKELY
  CAUSE FLASH FLOODING IN THE WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...
  WHITFIELD...          MIDWAY...             OCEAN CITY...
  FORT WALTON BEACH...  PINE LEVEL...         WOODLAWN BEACH...
  WHITING FIELD...      TIGER POINT...        ROEVILLE...

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 3037 8719 3045 8695 3054 8703 3044 8707
      3047 8715 3042 8718 3052 8716 3047 8710
      3057 8716 3156 8715 3153 8641 3045 8641
      3048 8646 3042 8659 3038 8641 3038 8681
      3032 8720

$$
1 follow-up statement
092 
WGUS74 KMOB 141802
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
102 PM CDT WED MAY 14 2014

FLC033-091-113-141809-
/O.CAN.KMOB.FF.W.0031.000000T0000Z-140514T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OKALOOSA FL-SANTA ROSA FL-ESCAMBIA FL-
102 PM CDT WED MAY 14 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EXTREME
SOUTHEASTERN ESCAMBIA...SANTA ROSA AND OKALOOSA COUNTIES...

AT 1256 PM CDT...THE HEAVY RAINFALL THAT PROMPTED THE WARNING FOR
EXTREME SOUTHEASTERN ESCAMBIA...SANTA ROSA AND OKALOOSA COUNTIES HAS 
MOVED OUT OF THE COUNTY...THUS THE FLASH FLOOD WARNING HAS BEEN 
CANCELLED. HOWEVER...PONDING OF WATER MAY STILL BE ENCOUNTERED.

ADDITIONAL HEAVY RAIN IS DEVELOPING WELL TO THE WEST OF THE AREA. 
ADDITIONAL WARNINGS MAY BE REQUIRED LATER THIS AFTERNOON AS THIS 
ACTIVITY MOVES EAST. 

LAT...LON 3100 8715 3155 8715 3155 8687 3152 8681
      3152 8641 3099 8641

$$

ALC035-039-053-142045-
/O.CON.KMOB.FF.W.0031.000000T0000Z-140514T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CONECUH AL-COVINGTON AL-ESCAMBIA AL-
102 PM CDT WED MAY 14 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR
EASTERN ESCAMBIA...WESTERN COVINGTON AND SOUTHEASTERN CONECUH
COUNTIES...

AT 1256 PM CDT...VERY HEAVY RAINFALL WAS INDICATED OVER THE WARNED
AREA AND RADAR ESTIMATES SHOW 1 TO 2 INCHES OF RAINFALL HAS OCCURRED 
OVER THE PAST HOUR OVER EASTERN ESCAMBIA COUNTY AND FAR SOUTHEASTERN 
CONECUH COUNTY. 4 TO 6 INCHES OF RAIN HAS FALLEN OVER THE LAST 3 
HOURS IN MUCH OF THE WARNED AREA. THE ADDITIONAL HEAVY RAINFALL
WILL LIKELY CAUSE CONTINUED FLASH FLOODING IN THE WARNED AREA.

LOCATIONS IMPACTED INCLUDE...
  I65 AND US 84...      I65 AND CR 6...       I65 AND CR 29...
  I65 AND AL 83...      EVERGREEN...          CASTLEBERRY...
  RIVER FALLS...        RED LEVEL...          LIBERTYVILLE...

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 3100 8715 3155 8715 3155 8687 3152 8681
      3152 8641 3099 8641

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 4:16 AM CDTFlash Flood WatchMOB16 hr
May 14, 9:32 AM CDTAreal Flood AdvisoryMOBEscambia, Okaloosa, Santa Rosa6 hr
May 14, 1:47 PM CDTFlash Flood WarningMOBEscambia4 hr
May 14, 3:36 PM CDTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa4 hr
May 14, 4:52 PM CDTRiver Flood WarningMOBEscambia8 days
May 14, 5:13 PM CDTAreal Flood AdvisoryMOBOkaloosa3 hr
May 14, 9:44 AM CDTSmall Craft AdvisoryMOB39 hr
May 14, 11:32 AM CDTFlash Flood WarningMOBButler, Conecuh, Covington, Crenshaw, Monroe, Wilcox6 hr
May 14, 11:51 AM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw24 min
May 14, 12:15 PM CDTSevere Thunderstorm WarningMOBButler, Covington, Crenshaw60 min
May 14, 12:52 PM CDTAreal Flood AdvisoryMOBBaldwin, Mobile113 min
May 14, 5:28 PM CDTAreal Flood AdvisoryMOBButler, Conecuh, Crenshaw, Monroe, Wilcox3 hr
May 14, 5:38 PM CDTAreal Flood WarningMOBConecuh, Escambia6 hr
May 14, 5:42 PM CDTSpecial Marine WarningMOB33 min

Nearby

Flash Flood Warnings in Florida, 2014Flash Flood Warnings in Alabama, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.