Alert archive / Florida / Flash Flood Warnings in 2003

Flash Flood Warning 24, NWS Mobile, AL

July 2, 2003Okaloosa County, Florida

NWS Mobile, AL issued this flash flood warning at Jul 2, 2003, 3:30 PM CDT for Okaloosa County, Florida. It was in force for 2 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: Jul 2, 2003, 3:30 PM CDT (20:30 UTC)
Expired: Jul 2, 2003, 5:45 PM CDT
In force: 2 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, 8.5 hours before the alert went out and 230 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: 143 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 975 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 105 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 022034
FFWMOB
FLC091-022245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
330 PM CDT WED JUL 2 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN OKALOOSA COUNTY IN NORTHWEST FLORIDA
  THIS INCLUDES THE CITY OF CRESTVIEW
  
* UNTIL 545 PM CDT

* AT 330 PM CDT...RADAR ESTIMATES AND PUBLIC REPORTS SHOW THAT   
  BETWEEN 3 AND 5 INCHES OR RAINFALL HAS FALLEN IN NORTHERN OKALOOSA 
  COUNTY...GENERALLY BETWEEN I-10 AND HIGHWAY 4.  SOME FLOODING WAS  
  REPORTED IN DORCAS WHERE THE SHOAL RIVER RUNS THROUGH TOWN.  THE   
  SHOAL RIVER FROM DORCAS TO NEAR CRESTVIEW AT HIGHWAY 90 WILL       
  LIKELY APPROACH BANKFULL AND POSSIBLY OVERFLOW IN SOME AREAS UNTIL
  THE RAINFALL HAS MOVED OUT OF THE AREA.  THE HEAVY RAINFALL WILL 
  CONTINUE ACROSS THE AREA BETWEEN BAKER AND DORCAS FOR AT LEAST 
  ANOTHER HOUR.  THE STORMS CAUSING THE RAIN WERE DRIFTING EAST.

IN ADDITION TO THE ABOVE...EXCESSIVE RUNOFF FROM THESE STORMS WILL 
CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND 
UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE 
BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO 
FLASH FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. 
MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY 
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.

LAT...LON 3077 8683 3064 8669 3088 8636 3104 8655

Nearby

Flash Flood Warnings in Florida, 2003 Every flash flood warning in 2003

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.