Alert archive / Florida / Flash Flood Warnings in 2002

Flash Flood Warning 11, NWS Mobile, AL

September 25, 2002Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Sep 25, 2002, 10:12 PM CDT for Escambia County, Santa Rosa 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
Sep 25, 2002, 10:12 PM CDT (03:12 UTC)
Expired
Sep 26, 2002, 1:00 AM CDT
In force
3 hr
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

Counties Escambia County, FL, Santa Rosa County, FL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 3.2 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, Slidell Radar S, LA at 00:00Z on 2002-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 201 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 2002-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 365 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
201 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
461 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
365 m²/s²
0-3 km storm-relative helicity
455 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 260312 CCA
FFWMOB
FLC033-113-260600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED 1ST BULLET
NATIONAL WEATHER SERVICE MOBILE AL
1001 PM CDT WED SEP 25 2002

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ESCAMBIA COUNTY IN NORTHWEST FLORIDA
  THIS INCLUDES THE CITY OF PENSACOLA
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA
  THIS INCLUDES THE CITY OF NAVARRE

* UNTIL 100 AM CDT

* AT 959 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED            
  THE LEADING EDGE OF A BAND OF VERY HEAVY RAIN ASSOCIATED           
  WITH TROPICAL STORM ISIDORE MOVING ACROSS ESCAMBIA AND SANTA ROSA  
  COUNTIES OF FLORIDA.  

*  THIS AREA OF RAINFALL EXTENDS NEARLY 30 MILES OFFSHORE...AND WILL 
   CONTINUE TO MOVE NORTH INTO ESCAMBIA AND SANTA ROSA COUNTIES INTO 
   THE EARLY MORNING HOURS.  RAINFALL RATES WILL LIKELY APPROACH 1.5 
   TO 2 INCHES PER HOUR OVER THE NEXT COUPLE OF HOURS...WHICH WILL   
   LIKELY RESULT IN FLOODING OF LOW LYING AND POOR DRAINAGE          
   AREAS...AS WELL AS STANDING WATERS ON MANY AREA ROADWAYS.  

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.  DONT DRIVE 
INTO AREAS WHERE WATER COVERS THE ROADWAY.  

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. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

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

LAT...LON 3035 8726 3036 8679 3098 8682 3098 8757

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 10:07 PM CDTFlash Flood WarningMOBEscambia, Santa Rosa3 hr
Sep 26, 8:00 AM CDTTornado WarningMOBSanta Rosa24 days
Sep 26, 8:48 AM CDTTornado WarningMOBOkaloosa, Santa Rosa24 days
Sep 26, 8:48 AM CDTTornado WarningMOBOkaloosa24 days
Sep 26, 9:07 AM CDTTornado WarningMOBOkaloosa33 days

Nearby

Flash Flood Warnings in Florida, 2002Every flash flood warning in 2002

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.