Alert archive / Florida / Flash Flood Warnings in 2005

Flash Flood Warning 7, NWS Mobile, AL

March 31, 2005Escambia County, Florida

NWS Mobile, AL issued this flash flood warning at Mar 31, 2005, 7:30 PM CST for Escambia 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
Mar 31, 2005, 7:30 PM CST (01:30 UTC)
Expired
Mar 31, 2005, 9:30 PM CST
In force
2 hr
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Escambia County, FL

The radar

The Mobile radar (KMOB), 84 km from the middle of the area, began a volume at 01:29 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.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 1.5 hours before the alert went out and 225 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, Slidell Radar S, LA at 00:00Z on 2005-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1854 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, Slidell Radar S, LA at 00:00Z on 2005-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.193958Sfc1 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
1854 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
456 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
1.7
Supercell composite
7.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 010131
FFWMOB
FLC033-010330-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  ESCAMBIA COUNTY IN NORTHWEST FLORIDA

* UNTIL 930 PM CST

* AT 728 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM NUMEROUS SHOWERS AND THUNDERSTORMS TRAINING
  FROM WEST TO EAST ACROSS THE CENTRAL AND SOUTHERN PORTION OF
  ESCAMBIA COUNTY FLORIDA.  THESE STORMS WILL CONTINUE TO PRODUCE
  PERIODS OF HEAVY RAIN OVER THE NEXT COUPLE OF HOURS.  EMERGENCY
  MANAGEMENT PERSONNEL REPORT THAT SEVERAL ROADWAYS ARE INUNDATED
  WITH WATER IN THE WARNED AREA.  THIS IS A CONTINUATION OF THE
  FLASH FLOOD WARNING CURRENTLY IN EFFECT FOR ESCAMBIA COUNTY
  FLORIDA.

* THE THUNDERSTORMS PRODUCING HEAVY RAIN WILL EFFECT AREAS NORTH AND
  SOUTH OF THE I-10 CORRIDOR.

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 3033 8747 3035 8730 3049 8718 3073 8732
      3078 8730 3079 8752 3067 8737 3054 8744
      3045 8737

$$
1 follow-up statement
000 
WGUS74 KMOB 010244
FFSMOB

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

FLC033-010330-
ESCAMBIA FL-
836 PM CST THU MAR 31 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 930 PM CST FOR SOUTHERN AND 
CENTRAL ESCAMBIA COUNTY...

AT 833 PM CST...EMERGENCY MANAGEMENT REPORTED THAT A ROOF HAS 
COLLAPSED DUE TO THE WEIGHT OF WATER JUST WEST OF PENSACOLA...AND 
THAT THE BRIDGE AT US 90 AND 8 MILE CREEK IS UNDER WATER.  NUMEROUS 
OTHER ROADWAYS WERE REPORTED INUNDATED WITH WATER ACROSS THE WARNED 
AREA.  NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE TO TRAIN 
WEST TO EAST ACROSS ESCAMBIA COUNTY THROUGH 930 PM...AND MAINTAIN 
FLOODING CONDITIONS.  RAINFALL RATES HAVE SUBSIDED SOMEWHAT IN THE 
LAST HOUR...BUT ARE STILL SUFFICIENT TO MAINTAIN FLOODING.   A NEW 
FLASH FLOODING WARNING MAY BE ISSUED FOR ESCAMBIA COUNTY NEAR 930 PM 
TO REPLACE THE CURRENT FLASH FLOOD WARNING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
MOLINO...GONZALEZ...COTTAGE HILL AND CANTONMENT.

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 3033 8747 3035 8730 3049 8718 3073 8732
      3078 8730 3079 8752 3067 8737 3054 8744
      3045 8737

$$

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, 9:27 PM CSTFlash Flood WarningMOBEscambia3 hr
Mar 31, 10:04 PM CSTSevere Thunderstorm WarningMOBOkaloosa26 min
Mar 31, 10:12 PM CSTFlash Flood WarningMOBOkaloosa, Santa Rosa4 hr
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; radar from the NEXRAD Level II archive.