Alert archive / Florida / Flash Flood Warnings in 2004

Flash Flood Warning 8, NWS Mobile, AL

June 26, 2004Okaloosa County, Florida

NWS Mobile, AL issued this flash flood warning at Jun 26, 2004, 3:25 PM CDT for Okaloosa County, Florida. 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
Jun 26, 2004, 3:25 PM CDT (20:25 UTC)
Expired
Jun 26, 2004, 6:15 PM CDT
In force
3 hr
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Okaloosa County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.4 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-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2004-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 794 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, Tallahassee Rgnl, FL at 12:00Z on 2004-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
794 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
974 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
78 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.

000 
WGUS54 KMOB 262023
FFWMOB
FLC091-262315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
325 PM CDT SAT JUN 26 2004

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  OKALOOSA COUNTY IN NORTHWEST FLORIDA

* UNTIL 615 PM CDT

* AT 306 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM
  NEAR HOLT TO DEERLAND. THE STORMS PRODUCING VERY HEAVY RAIN WERE   
  NEARLY STATIONARY.  AS MUCH AS 3 TO 5 INCHES OF RAIN HAS FALLEN    
  OVER PORTIONS OF EAST CENTRAL OKALOOSA COUNTY SINCE NOON.  ONE TO  
  THREE INCHES OF RAIN HAS FALLEN OVER THE LOCATION SINCE 215 PM
  CDT.  THE HEAVY RAINFALL AREA IS JUST SOUTH OF A DORCAS TO        
  CRESTVIEW TO MILLIGAN FL LINE.  

* THUNDERSTORMS PRODUCING HEAVY RAIN WILL CONTINUE AFFECTING A LARGE
  PORTION OF OKALOOSA COUNTY THROUGH AT LEAST 445 PM CDT...WITH THE  
  RUNOFF FROM THESE STORMS AFFECTING THE AREA THROUGH 615 PM CDT.

RAINFALL AMOUNTS OF 1 TO 2 INCHES PER HOUR AND 2 TO 3 INCHES IN 
THREE HOURS WILL REMAIN POSSIBLE THROUGH 445 PM CDT.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS...STREETS AND UNDERPASSES...AS WELL AS 
OTHER POUR DRAINAGE AND LOW LYING AREAS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY 
AUTOMOBILE.

LAT...LON 3097 8677 3097 8641 3070 8639 3043 8641
          3044 8678

$$

Nearby

Flash Flood Warnings in Florida, 2004Every flash flood warning in 2004

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.