Alert archive / Alabama / Flash Flood Warnings in 2004

Flash Flood Warning 6, NWS Mobile, AL

June 1, 2004Mobile County, Alabama

NWS Mobile, AL issued this flash flood warning at Jun 1, 2004, 10:55 AM CDT for Mobile County, Alabama. It was in force for 6 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: Jun 1, 2004, 10:55 AM CDT (15:55 UTC)
Expired: Jun 1, 2004, 4:45 PM CDT
In force: 6 hr
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Mobile County, AL

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 3.9 hours before the alert went out and 155 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: 613 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 846 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 161 m²/s²
0-3 km storm-relative helicity: 233 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 011555
FFWMOB
ALC097-012145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1055 AM CDT TUE JUN 1 2004

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MOBILE COUNTY IN SOUTHWEST ALABAMA

* UNTIL 445 PM CDT

* AT 1034 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN MOBILE 
ALABAMA INDICATED THAT BETWEEN 3 AND 5 INCHES OF RAIN FELL BETWEEN 
700 AND 1000 AM CDT OVER PORTIONS OF NORTHEASTERN MOBILE COUNTY.  IN 
SATSUMA ALABAMA ...FLOODING WAS REPORTED ON STEELE CREEK BY THE 
MOBILE COUNTY EMERGENCY MANAGEMENT.  THEY REPORTED THAT THE WATER 
WAS RISING RAPIDLY AND THAT IT WAS APPROACHING HOMES.

ADDITIONAL EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING 
OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND 
ALONG THE BANKS OF CREEKS AND STREAMS OVER A PORTION OF NORTHEASTERN 
MOBILE COUNTY.

MORE HEAVY RAINFALL WILL DEVELOP OVER THIS AREA THROUGHOUT THE 
COURSE OF THIS AFTERNOON.

IF YOU LIVE IN THESE LOCATIONS...SEEK HIGHER GROUND UNTIL THE FLOOD 
THREAT HAS DIMINSIHED.  DO NOT DRIVE INTO AREAS WHERE WATER CROSSES 
THE ROAD.


LAT...LON 3082 8799 3079 8803 3075 8802 3067 8805
          3071 8813 3071 8818 3081 8823 3087 8821
          3095 8797

$$

1 follow-up statement

000 
WGUS74 KMOB 011651
FFSMOB
ALC097-011845-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1151 AM CDT TUE JUN 1 2004

...A FLASH FLOOD WARNING CONTINUES IN EFFECT UNTIL 445 PM CDT FOR 
THE FOLLOWING COUNTY...

IN SOUTHWEST ALABAMA...MOBILE COUNTY.

SOME CITIES IN THE WARNED AREA SUBJECT TO FLOOD PROBLEMS 
ARE...SARALAND...I65 AND US-43...CREOLA AND SATSUMA.

AT 1147 AM CDT...WEATHER SERVICE RADAR INDICATED A LINE OF 
THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUING TO DEVELOP AND MOVE 
EAST AT 30 TO 40 MPH ACROSS THE WARNED AREA. SOME OF THESE STORMS 
ARE CAPABABLE OF PRODUCING UP TO 2 INCHES OF RAIN PER HOUR OVER AN 
ALREADY SATURATED GROUND.

EXCESSIVE RUNOFF FROM THESE STORMS WILL CONTINUE TO CAUSE ADDITIONAL 
FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES... 
AND OTHER LOW LYING FLOOD PRONE AREAS.

REMEMBER...A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR
OCCURRING. RESIDENTS LIVING IN AREAS SUBJECT TO FLOODING SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. IF FLASH FLOODING
IS OBSERVED...MOVE QUICKLY TO HIGHER GROUND AND NEVER DRIVE INTO AN 
AREA WHERE WATER COVERS THE ROAD.

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.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 10:20 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	25 min
Jun 1, 10:53 AM CDT	Special Marine Warning	MOB		37 min
Jun 1, 11:16 AM CDT	Severe Thunderstorm Warning	MOB	Mobile, Washington	44 min
Jun 1, 11:55 AM CDT	Severe Thunderstorm Warning	MOB	Mobile	35 min
Jun 1, 12:12 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	33 min
Jun 1, 12:17 PM CDT	Special Marine Warning	MOB		58 min
Jun 1, 12:38 PM CDT	Severe Thunderstorm Warning	MOB	Escambia	52 min
Jun 1, 1:13 PM CDT	Special Marine Warning	MOB		32 min
Jun 1, 2:28 PM CDT	Special Marine Warning	MOB		32 min
Jun 1, 2:54 PM CDT	Special Marine Warning	MOB		36 min

Nearby

Flash Flood Warnings in Alabama, 2004 Every flash flood warning in 2004

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.