Alert archive / Alabama / Flash Flood Warnings in 2003

Flash Flood Warning 74, NWS Birmingham, AL

July 1, 20034 counties in Alabama

NWS Birmingham, AL issued this flash flood warning at Jul 1, 2003, 8:08 AM CDT for 4 counties in 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: Jul 1, 2003, 8:08 AM CDT (13:08 UTC)
Expired: Jul 1, 2003, 12:00 PM CDT
In force: 4 hr
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

Counties Chambers County, AL, Lee County, AL, Macon County, AL, Randolph County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 1.1 hours before the alert went out and 110 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: 147 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 477 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 267 m²/s²
0-3 km storm-relative helicity: 356 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBMX 011309
FFWBHM
ALC017-081-087-111-011700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
808 AM CDT TUE JUL 1 2003

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHAMBERS COUNTY IN EAST CENTRAL ALABAMA
  LEE COUNTY IN EAST CENTRAL ALABAMA
  RANDOLPH COUNTY IN EAST CENTRAL ALABAMA
  MACON COUNTY IN SOUTHEAST ALABAMA

* UNTIL 1200 PM CDT

* AT 806 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN FROM 15 MILES NORTHWEST OF NOTASULGA TO 13 MILES SOUTH OF
  TUSKEGEE...OR FROM 10 MILES SOUTHWEST OF DADEVILLE TO 8 MILES NORTH
  OF UNION SPRINGS...MOVING NORTH AT 30 MPH.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

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 3347 8563 3271 8557 3242 8592 3226 8545
          3245 8544 3253 8505 3349 8532

$$

1 follow-up statement

000 
WGUS74 KBMX 011707
FFSBHM
ALC017-081-087-111-011900-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1205 PM CDT TUE JUL 1 2003

THE FLASH FLOOD WARNING FOR MACON...LEE...CHAMBERS AND RANDOLPH
COUNTIES HAS BEEN ALLOWED TO EXPIRE...

AT 12:05 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED THAT 
RAINFALL HAS DIMINISHED ACROSS MACON...LEE...CHAMBERS AND RANDOLPH 
COUNTIES. REPORTS ACROSS THE AREA ALSO SHOW THAT THE FLOODING THREAT 
IS OVER...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

EXCESSIVE RUNOFF FROM THIS STORM WILL PROBABLY CAUSE FLASH FLOODING 
OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. 
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS 
AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

LAT...LON 3283 8517 3274 8510 3257 8511 3242 8544
          3223 8544 3223 8584 3238 8600 3257 8563
          3288 8556 3350 8566 3349 8534

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 4:53 AM CDT	Tornado Warning	BMX	Barbour	37 min
Jul 1, 5:26 AM CDT	Tornado Warning	BMX	Russell	64 min
Jul 1, 5:35 AM CDT	Tornado Warning	BMX	Montgomery	35 min
Jul 1, 6:32 AM CDT	Flash Flood Warning	BMX	Autauga	118 min
Jul 1, 6:41 AM CDT	Flash Flood Warning	BMX	Montgomery	109 min
Jul 1, 6:52 AM CDT	Flash Flood Warning	BMX	Elmore	2 hr
Jul 1, 7:54 AM CDT	Flash Flood Warning	BMX	Tallapoosa	2 hr
Jul 1, 12:25 PM CDT	Flash Flood Warning	BMX	Jefferson	3 hr

Nearby

Flash Flood Warnings in Alabama, 2003 Every 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.