Alert archive / Alabama / Flash Flood Warnings in 2002

Flash Flood Warning 3, NWS Mobile, AL

September 24, 2002Mobile County, Alabama

NWS Mobile, AL issued this flash flood warning at Sep 24, 2002, 6:44 PM CDT for Mobile County, Alabama. It was in force for 116 min. 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 24, 2002, 6:44 PM CDT (23:44 UTC)
Expired: Sep 24, 2002, 8:40 PM CDT
In force: 116 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Mobile County, AL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.7 hours before the alert went out and 151 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: 207 J/kg
Mixed-layer CIN: -113 J/kg
Mixed-layer LCL: 872 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 88 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 242344
FFWMOB
ALC097-250140-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
640 PM CDT TUE SEP 24 2002

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MOBILE COUNTY IN SOUTHWEST ALABAMA
  THIS INCLUDES THE CITY OF MOBILE

* UNTIL 840 PM CDT

* AT 640 PM CDT...THE PUBLIC REPORTED THE INTERSECTION OF 
BELLINGRATH ROAD AND HIGHWAY 90 WAS FLOODED.  DITCHES ALONG THE 
HIGHWAYS WERE ALSO AT BANKFULL.  MOTORISTS SHOULD EXPECT OTHER ROADS 
...HIGHWAYS AND INTERSECTIONS ACROSS MOBILE COUNTY TO POSSIBLY BE 
FLOODED THIS EVENING.  PARTICULARY THOSE AREAS THAT FLOOD EASILY.  
POOR DRAINAGE AND LOW LYING AREAS MAY ALSO HAVE STANDING WATERS THIS 
EVENING.  

ONE AND A HALF TO TWO INCHES OF RAINFALL HAS FALLEN OVER MOBILE 
COUNTY OVER THE PAST HOUR OR SO...RESULTING IN THE REPORTED 
FLOODING.  RADAR INDICATES THAT THE RAINFALL HAS DECREASED IN 
INTENSITY SOME OVER THE PAST FEW MINUTES...BUT ANOTHER AREA OF VERY 
HEAVY RAINFALL WILL MOVE INLAND OVER MOBILE COUNTY FROM THE GULF 
BETWEEN 700 PM AND 900 PM THIS EVENING.  ADDITIONAL FLOODING OF 
STREETS...INTERSECTIONS AND FLOOD PRONE AREAS WILL CONTINUE TO BE A 
POSSIBILITY.            

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.

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 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 3033 8806 3032 8838 3094 8840 3109 8798

Nearby

Flash Flood Warnings in Alabama, 2002 Every 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.