Alert archive / Alabama / Flash Flood Warnings in 2003

Flash Flood Warning 30, NWS Mobile, AL

July 22, 2003Baldwin County, Alabama

NWS Mobile, AL issued this flash flood warning at Jul 22, 2003, 7:23 PM CDT for Baldwin County, Alabama. It was in force for 112 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
Jul 22, 2003, 7:23 PM CDT (00:23 UTC)
Expired
Jul 22, 2003, 9:15 PM CDT
In force
112 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 53 km from the middle of the area, began a volume at 00:25 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, 0.4 hours before the alert went out and 190 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 2003-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1212 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 2003-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939Sfc1 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
1212 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1110 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
63 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 230023
FFWMOB
ALC003-230215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
723 PM CDT TUE JUL 22 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN BALDWIN COUNTY IN SOUTHWEST ALABAMA

* UNTIL 915 PM CDT

* AT 710 PM CDT...LAW ENFORCEMENT REPORTED FLOODING OVER COUNTY ROAD
  27...WITH SOME AREAS CLOSED DUE TO HIGH WATER. OTHER FLOODING
  PROBLEMS AREA LIKELY ALONG AREA ROADS MAINLY FROM THE LOXLEY AREA
  SOUTH TO FOLEY. THUNDERSTORMS...MANY WITH VERY HEAVY RAIN...WILL
  CONTINUE TO DEVELOP OVER THE BAY AND MOVE SLOWLY TO EAST OVER THE
  WARNED AREA.

* OTHER LOCATIONS IN THE WARNING INCLUDE ...CLAY CITY...ELBERTA...
  ELSANOR...MAGNOLIA SPRINGS...MARLOW...ROBERTSDALE...SUMMERDALE.

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.

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

LAT...LON 3062 8792 3059 8747 3039 8744 3028 8774
          3041 8792

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 7:06 PM CDTSpecial Marine WarningMOB84 min
Jul 22, 7:06 PM CDTSpecial Marine WarningMOB84 min
Jul 22, 8:35 PM CDTSpecial Marine WarningMOB55 min
Jul 22, 8:35 PM CDTSpecial Marine WarningMOB55 min
Jul 23, 8:56 AM CDTSpecial Marine WarningMOB94 min
Jul 23, 8:56 AM CDTSpecial Marine WarningMOB94 min
Jul 23, 10:00 AM CDTSpecial Marine WarningMOB90 min
Jul 23, 10:00 AM CDTSpecial Marine WarningMOB90 min
Jul 23, 10:00 AM CDTSpecial Marine WarningMOB90 min
Jul 23, 10:00 AM CDTSpecial Marine WarningMOB90 min

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.