Alert archive / Florida / Flash Flood Warnings in 2005

Flash Flood Warning 9, NWS Mobile, AL

March 31, 2005Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Mar 31, 2005, 10:12 PM CST for Okaloosa County, Santa Rosa County, Florida. It was in force for 4 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
Mar 31, 2005, 10:12 PM CST (04:12 UTC)
Expired
Apr 1, 2005, 2:00 AM CST
In force
4 hr
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

Counties Okaloosa County, FL, Santa Rosa County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 4.2 hours before the alert went out and 249 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 00:00Z on 2005-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2005-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -139 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
914 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-139 m²/s²
0-3 km storm-relative helicity
220 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 010413
FFWMOB
FLC091-113-010800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1012 PM CST THU MAR 31 2005

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  OKALOOSA COUNTY IN NORTHWEST FLORIDA
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA

* UNTIL 200 AM CST

* AT 1011 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED
  TO INDICATE NUMEROUS SHOWERS AND THUNDERSTORMS TRAINING ACROSS
  THE AREA.  VERY HEAVY RAINS FROM THESE STORMS WILL PERSIST FOR
  SEVERAL MORE HOURS AND RAINFALL RATES OF UP TO 1 TO 1.5 INCHES PER
  HOUR WILL MAINTAIN FLOODED CONDITIONS ACROSS THE WARNED
  AREA...MAINLY IN THE SOUTHERN PORTION OF THE COUNTIES.  EMERGENCY
  MANAGEMENT PERSONNEL CONTINUE TO REPORT NUMEROUS FLOODED ROADWAYS.
  THIS IS A CONTINUATION OF THE FLASH FLOOD WARNING CURRENTLY IN 
  EFFECT FOR OKALOOSA AND SANTA ROSA COUNTIES.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MILTON...WHITING FIELD...MILLIGAN...HOLT...HAROLD...GALLIVER...
  DORCAS...DEERLAND...CRESTVIEW...BAKER AND ALLENTOWN.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING.

FLOODING IS OCCURRING.  MOST FLOOD RELATED DEATHS OCCUR IN 
AUTOMOBILES.  DO NOT ATTEMPT TO CROSS WATER COVERED 
BRIDGES...DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A 
FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER 
MOVE UP TO HIGHER GROUND.

LAT...LON 3079 8724 3038 8711 3043 8643 3087 8639

$$
1 follow-up statement
000 
WGUS74 KMOB 010549
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1148 PM CST THU MAR 31 2005

FLC091-113-010800-
OKALOOSA FL-SANTA ROSA FL-
1148 PM CST THU MAR 31 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 200 AM CST FOR SOUTHERN AND 
CENTRAL SANTA ROSA AND OKALOOSA COUNTIES...

...THIS IS A DANGEROUS FLASH FLOOD SITUATION...

AT 1145 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUES TO INDICATE 
NUMEROUS SHOWERS AND A FEW THUNDERSTORMS TRAINING ACROSS THE AREA.  
RAINFALL RATES HAVE DECREASED IN THE LAST HOUR...BUT SEVERAL STRONG 
STORMS CURRENTLY OVER SOUTHERN ESCAMBIA COUNTY FLORIDA WILL MOVE 
ACROSS SOUTHERN SANTA ROSA AND OKALOOSA COUNTIES THROUGH 200 AM.  
HOURLY RAINFALL RATES WITH THESE STORMS WILL BE UP TO 2.5 INCHES PER 
HOUR WHICH WILL WORSEN THE FLASH FLOODING ALREADY ONGOING ACROSS THE 
AREA.  SANTA ROSA COUNTY EMERGENCY MANAGEMENT REPORTED WIDESPREAD 
FLOODING OF ROADWAYS CONTINUES ACROSS THE CENTRAL AND SOUTHERN 
PORTION OF THE COUNTY.  OKALOOSA COUNTY 911 REPORTED THAT A 
RESIDENCE IN THE FORT WALTON BEACH AREA HAD WATER IN THE HOUSE.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MILTON...
WHITING FIELD...MILLIGAN...HOLT...HAROLD...GALLIVER...DORCAS...
DEERLAND...CRESTVIEW...BAKER...FORT WALTON BEACH AND ALLENTOWN.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING.

FLOODING IS OCCURRING.  MOST FLOOD RELATED DEATHS OCCUR IN 
AUTOMOBILES.  DO NOT ATTEMPT TO CROSS WATER COVERED 
BRIDGES...DIPS...OR LOW WATER CROSSINGS.  NEVER TRY TO CROSS A 
FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.  TO ESCAPE RISING WATER 
MOVE UP TO HIGHER GROUND.

LAT...LON 3079 8724 3038 8711 3043 8643 3087 8639

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 6:22 PM CSTFlash Flood WarningMOBOkaloosa, Santa Rosa4 hr
Mar 31, 7:30 PM CSTFlash Flood WarningMOBEscambia2 hr
Mar 31, 9:27 PM CSTFlash Flood WarningMOBEscambia3 hr
Mar 31, 10:04 PM CSTSevere Thunderstorm WarningMOBOkaloosa26 min
Apr 1, 12:20 AM CSTFlash Flood WarningMOBEscambia3 hr
Apr 1, 12:34 AM CSTSevere Thunderstorm WarningMOBEscambia, Okaloosa, Santa Rosa56 min
Apr 1, 1:27 AM CSTSevere Thunderstorm WarningMOBOkaloosa18 min
Apr 1, 1:42 AM CSTSevere Thunderstorm WarningMOBEscambia, Santa Rosa18 min
Apr 1, 2:00 AM CSTSevere Thunderstorm WarningMOBEscambia, Santa Rosa60 min
Apr 1, 2:25 AM CSTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa4 hr
Apr 1, 4:45 AM CSTSevere Thunderstorm WarningMOBEscambia, Santa Rosa75 min
Apr 1, 6:07 AM CSTSevere Thunderstorm WarningMOBEscambia, Santa Rosa53 min
Apr 1, 6:30 AM CSTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa3 hr
Apr 1, 6:30 AM CSTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa30 min
Apr 1, 7:09 AM CSTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa66 min
Apr 1, 9:38 AM CSTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa3 hr

Nearby

Flash Flood Warnings in Florida, 2005Every flash flood warning in 2005

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.