Alert archive / Alabama / Flash Flood Warnings in 2003

Flash Flood Warning 15, NWS Mobile, AL

June 6, 2003Baldwin County, Alabama

NWS Mobile, AL issued this flash flood warning at Jun 6, 2003, 4:30 PM CDT for Baldwin County, Alabama. 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
Jun 6, 2003, 4:30 PM CDT (21:30 UTC)
Expired
Jun 6, 2003, 7:30 PM CDT
In force
3 hr
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 55 km from the middle of the area, began a volume at 21:29 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 9.5 hours before the alert went out and 123 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, Eglin AFB/Valpar, FL at 12:00Z on 2003-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1535 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, Eglin AFB/Valpar, FL at 12:00Z on 2003-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
1535 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 062132
FFWMOB
ALC003-070030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
430 PM CDT FRI JUN 6 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BALDWIN COUNTY IN SOUTHWEST ALABAMA
  THIS INCLUDES THE CITY OF BAY MINETTE

* UNTIL 730 PM CDT

* AT 419 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED DEVELOPING 
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE MOBILE RIVER DELTA. 
THESE STORMS WERE MOVING SLOWLY EAST AND PRODUCING BETWEEN ONE AND 
TWO INCHES OF RAIN PER HOUR. THE PRECIPITATION WAS MOVING NORTHEAST 
AROUND 20 MPH AND WILL MOVE ACROSS THE NORTHERN HALF OF BALDWIN 
COUNTY.  SOME AREAS OF BALDWIN COUNTY HAVE RECEIVED BETWEEN THREE 
AND FIVE INCHES OF RAINFALL SINCE LAST EVENING.

ADDITIONALLY SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAINFALL WAS 
ALSO MOVING ASHORE ON THE EASTERN SHORE OF MOBILE BAY FROM POINT 
CLEAR TO THE FORT MORGAN PENINSULA.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.

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.

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

LAT...LON 3118 8792 3025 8795 3031 8745 3064 8743
          3085 8765 3125 8761 3131 8773
1 follow-up statement
000 
WGUS74 KMOB 062325
FFSMOB
ALC003-053-070015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
623 PM CDT FRI JUN 6 2003

...A FLASH FLOOD WARNING CONTINUES IN EFFECT FOR THE FOLLOWING 
COUNTIES...

IN SOUTHWEST ALABAMA...ESCAMBIA COUNTY UNTIL 7 PM AND BALDWIN COUNTY 
UNTIL 730.

SOME CITIES IN THE WARNED AREA SUBJECT TO FLOOD PROBLEMS 
ARE...CROSSROADS...CARPENTER...DOUGLASVILLE...BAY MINETTE AND ATMORE.

AT 620 PM CDT...WEATHER SERVICE RADAR INDICATED THUNDERSTORMS WITH 
HEAVY RAIN CONTINUING TO MOVE NORTHEAST AT 25 MPH...GENERALLY ALONG 
AND NEAR INTERSTATE 65. SOME OF THESE STORMS ARE CAPABABLE OF 
PRODUCING AN ADDITIONAL 1 TO 2 INCHES OF RAIN PER HOUR OVER AN 
ALREADY SATURATED GROUND.

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE ADDITIONAL FLOODING OF
SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES...AND OTHER LOW
LYING FLOOD PRONE AREAS. EMERGENCY MANAGEMENT AND LAW ENFORCEMENT
OFFICIALS HAVE REPORTED SEVERAL ROADS INUNDATED AND IMPASSABLE.

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.

IssuedProductOfficeCountiesLasted
Jun 6, 3:28 AM CDTSpecial Marine WarningMOB62 min
Jun 6, 4:29 AM CDTSpecial Marine WarningMOB61 min
Jun 6, 4:29 AM CDTSpecial Marine WarningMOB61 min
Jun 6, 6:01 AM CDTSpecial Marine WarningMOB59 min
Jun 6, 12:29 PM CDTSpecial Marine WarningMOB61 min
Jun 6, 12:29 PM CDTSpecial Marine WarningMOB61 min
Jun 6, 2:43 PM CDTSpecial Marine WarningMOB2 hr
Jun 6, 2:43 PM CDTSpecial Marine WarningMOB2 hr
Jun 6, 3:30 PM CDTFlash Flood WarningMOBMobile2 hr
Jun 6, 5:30 PM CDTFlash Flood WarningMOBEscambia2 hr

Nearby

Flash Flood Warnings in Alabama, 2003Every flash flood warning in 2003

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.