Alert archive / Alabama / Flash Flood Warnings in 2003

Flash Flood Warning 5, NWS Birmingham, AL

April 7, 2003Sumter County, Alabama

NWS Birmingham, AL issued this flash flood warning at Apr 7, 2003, 3:42 AM CDT for Sumter County, Alabama. It was in force for 4 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
Apr 7, 2003, 3:42 AM CDT (08:42 UTC)
Expired
Apr 7, 2003, 8:00 AM CDT
In force
4 hr
Issued by
NWS Birmingham, AL
Area
Counties, with a storm outline in the text

County Sumter County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 8.7 hours before the alert went out and 143 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, Birmingham, AL at 00:00Z on 2003-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 677 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2003-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.1939587897Sfc1 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
677 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1007 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBMX 070842
FFWBHM
ALC119-071300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
342 AM CDT MON APR 7 2003

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SUMTER COUNTY IN WEST CENTRAL ALABAMA

* UNTIL 800 AM CDT

* AT 342 AM CDT...THE COUNTY EMA REPORTED FLASH FLOODING ACROSS
  ROADS AND SEVERAL HOMES FLOODED IN THE LIVINGSTON AREA. 
  
* LOCATIONS IN AND EAST OF LIVINGSTON WILL BE PRONE TO FLOODING OVER
  THE NEXT FEW HOURS.   

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.

CALL 1-800-856-0758 TO REPORT FLOODING CONDITIONS.

LAT...LON 3264 8827 3251 8811 3257 8805 3279 8811

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 7:01 PM CDTTornado WarningBMXTuscaloosa29 min
Apr 6, 7:24 PM CDTTornado WarningBMXJefferson51 min
Apr 6, 11:31 PM CDTSevere Thunderstorm WarningBMXMarengo44 min
Apr 7, 12:47 AM CDTTornado WarningBMXDallas58 min
Apr 7, 1:28 AM CDTTornado WarningBMXLowndes62 min
Apr 7, 2:26 AM CDTTornado WarningBMXLowndes, Montgomery64 min
Apr 7, 2:56 AM CDTSevere Thunderstorm WarningBMXSumter34 min
Apr 7, 3:05 AM CDTTornado WarningBMXSumter25 min
Apr 7, 3:15 AM CDTTornado WarningBMXMarengo30 min
Apr 7, 3:30 AM CDTTornado WarningBMXMacon, Montgomery60 min
Apr 7, 3:46 AM CDTTornado WarningBMXMarengo19 min
Apr 7, 3:51 AM CDTTornado WarningBMXBullock29 min
Apr 7, 4:02 AM CDTTornado WarningBMXDallas, Perry43 min
Apr 7, 4:24 AM CDTTornado WarningBMXMacon51 min
Apr 7, 4:42 AM CDTTornado WarningBMXSumter48 min
Apr 7, 4:54 AM CDTTornado WarningBMXLee36 min
Apr 7, 5:26 AM CDTTornado WarningBMXLee29 min
Apr 7, 5:32 AM CDTTornado WarningBMXMarengo, Sumter28 min
Apr 7, 5:43 AM CDTFlash Flood WarningBMXGreene, Hale4 hr
Apr 7, 5:58 AM CDTTornado WarningBMXMarengo47 min
Apr 7, 6:11 AM CDTTornado WarningBMXHale, Perry49 min
Apr 7, 6:24 AM CDTTornado WarningBMXChambers51 min
Apr 7, 6:35 AM CDTTornado WarningBMXDallas25 min
Apr 7, 6:56 AM CDTSevere Thunderstorm WarningBMXSumter49 min
Apr 7, 6:56 AM CDTTornado WarningBMXDallas49 min
Apr 7, 7:18 AM CDTSevere Thunderstorm WarningBMXMarengo42 min
Apr 7, 7:34 AM CDTTornado WarningBMXAutauga, Lowndes41 min
Apr 7, 7:35 AM CDTFlash Flood WarningBMXSumter3 hr
Apr 7, 7:50 AM CDTFlash Flood WarningBMXMarengo3 hr
Apr 7, 7:54 AM CDTSevere Thunderstorm WarningBMXElmore, Macon, Montgomery36 min
Apr 7, 8:06 AM CDTFlash Flood WarningBMXAutauga, Chambers, Chilton, Coosa, Dallas, Elmore and 6 more3 hr
Apr 7, 8:08 AM CDTSevere Thunderstorm WarningBMXDallas37 min
Apr 7, 8:14 AM CDTTornado WarningBMXAutauga, Lowndes46 min
Apr 7, 8:24 AM CDTTornado WarningBMXMontgomery51 min
Apr 7, 8:59 AM CDTTornado WarningBMXLowndes46 min
Apr 7, 9:22 AM CDTTornado WarningBMXMontgomery38 min
Apr 7, 9:24 AM CDTTornado WarningBMXMacon51 min
Apr 7, 10:49 AM CDTFlash Flood WarningBMXAutauga, Chambers, Elmore, Lee, Lowndes, Macon and 2 more3 hr
Apr 7, 2:34 PM CDTSevere Thunderstorm WarningBMXBarbour, Pike56 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.