Alert archive / Florida / Flash Flood Warnings in 2013

Flash Flood Warning 30, NWS Mobile, AL

July 5, 2013Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Jul 5, 2013, 1:45 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 6 hr. 3 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
Jul 5, 2013, 1:45 PM CDT (18:45 UTC)
Expired
Jul 5, 2013, 7:45 PM CDT
In force
6 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 60 km from the middle of the area, began a volume at 18:48 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
Jul 5, 3:30 PM CDTFLASH FLOOD2 E Destin, FLFLOODING IN DESTIN DOG PARK.
Jul 5, 3:30 PM CDTFLASH FLOOD2 Ene Destin, FLFLOODING IN INDIAN BAYOU. WATER UP TO BUMPER OF CARS. PHOTOS RECEIVED OF RESIDENTS PADDLEBOARDING THROUGH STREET.
Jul 5, 3:30 PM CDTFLASH FLOOD4 E Destin, FLINTERSECTION OF HWY 98 AND CRYSTAL BEACH DRIVE IS FLOODED. DISABLED VEHICLES DUE TO WATER.

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, 6.8 hours before the alert went out and 214 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 2013-07-05Temperature 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, Tallahassee Rgnl, FL at 12:00Z on 2013-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 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
349 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
729 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

166 
WGUS54 KMOB 051845
FFWMOB
FLC091-113-060045-
/O.NEW.KMOB.FF.W.0030.130705T1845Z-130706T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
145 PM CDT FRI JUL 5 2013

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN OKALOOSA COUNTY IN NORTHWEST FLORIDA...
  SOUTHEASTERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...

* UNTIL 745 PM CDT

* AT 140 PM CDT...NUMEROUS STORMS WITH VERY HEAVY RAINFALL ARE
  MOVING INTO AND ACROSS THE WARNED AREA.  DOPPLER RADAR ESTIMATES
  SHOW THAT THESE STORMS ARE PRODUCING VERY HIGH RAINFALL RATES WHICH
  WILL LIKELY RESULT IN FLASH FLOODING.  RAINFALL AMOUNTS OVER THE
  NEXT 2 TO 3 HOURS WILL BE AS HIGH AS 6 INCHES IN SOME LOCATIONS.

* LOCATIONS IMPACTED INCLUDE...
  OCEAN CITY...         FORT WALTON BEACH...  SHALIMAR...
  LAKE LORRAINE...      CINCO BAYOU...        WRIGHT...
  VALPARAISO...         NICEVILLE...          MARY ESTHER...

LAT...LON 3039 8667 3038 8679 3066 8686 3066 8638
      3045 8639 3044 8642 3048 8646 3045 8649
      3042 8659 3040 8658 3040 8653 3042 8649
      3042 8644 3041 8640 3038 8639 3037 8651

$$
1 follow-up statement
262 
WGUS74 KMOB 052135
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
435 PM CDT FRI JUL 5 2013

FLC091-113-060045-
/O.CON.KMOB.FF.W.0030.000000T0000Z-130706T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OKALOOSA FL-SANTA ROSA FL-
435 PM CDT FRI JUL 5 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR EAST
CENTRAL SANTA ROSA AND SOUTHERN OKALOOSA COUNTIES...

AT 356 PM CDT...OKALOOSA COUNTY LAW ENFORCEMENT REPORTED FLASH 
FLOODING ON SANTA ROSA BOULEVARD AT STARFISH AND SEAHORSE AVENUES ON 
OKALOOSA ISLAND. THIS INTERSECTION WAS REPORTED TO BE NEARLY 
COMPLETELY SUBMERGED WITH WATER. 

AT 435 PM CDT...A LARGE AREA OF RAIN CONTINUED TO MOVE NORTHWARD 
OVER SANTA ROSA AND SOUTHERN OKALOOSA COUNTIES. MANY LOCATIONS HAVE 
RECEIVED BETWEEN 6 TO 9 INCHES OF STORM TOTAL RAINFALL...AND 
ADDITIONAL HEAVY RAINS OVER ALREADY SATURATED GROUNDS WILL CONTINUE 
TO CAUSE FLASH FLOODING OVER THE WARNED AREA.

LOCATIONS IMPACTED INCLUDE...
  OCEAN CITY...         FORT WALTON BEACH...  SHALIMAR...
  LAKE LORRAINE...      CINCO BAYOU...        WRIGHT...
  VALPARAISO...         NICEVILLE...          MARY ESTHER...

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 3039 8667 3038 8679 3066 8686 3066 8638
      3045 8639 3044 8642 3048 8646 3045 8649
      3042 8659 3040 8658 3040 8653 3042 8649
      3042 8644 3041 8640 3038 8639 3037 8651

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 9:17 AM CDTAreal Flood AdvisoryMOBEscambia118 min
Jul 5, 11:08 AM CDTAreal Flood WarningMOBOkaloosa12 hr
Jul 5, 11:11 AM CDTFlash Flood WarningMOBEscambia6 hr
Jul 5, 11:22 AM CDTAreal Flood AdvisoryMOBSanta Rosa113 min
Jul 5, 11:40 AM CDTAreal Flood WarningMOBSanta Rosa12 hr
Jul 5, 12:22 PM CDTFlash Flood WarningMOBSanta Rosa6 hr
Jul 5, 12:31 PM CDTTornado WarningMOBOkaloosa44 min
Jul 5, 1:13 PM CDTTornado WarningMOBOkaloosa47 min
Jul 5, 1:59 PM CDTTornado WarningMOBOkaloosa31 min
Jul 5, 5:16 PM CDTAreal Flood WarningMOBEscambia12 hr
Jul 5, 6:21 PM CDTAreal Flood WarningMOBSanta Rosa6 hr

Nearby

Flash Flood Warnings in Florida, 2013Every flash flood warning in 2013

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.