Alert archive / Alabama / Flash Flood Warnings in 2003

Flash Flood Warning 75, NWS Birmingham, AL

July 1, 2003Jefferson County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jul 1, 2003, 12:25 PM CDT for Jefferson 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: Jul 1, 2003, 12:25 PM CDT (17:25 UTC)
Expired: Jul 1, 2003, 3:00 PM CDT
In force: 3 hr
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

County Jefferson County, AL

The radar

The Birmingham radar (KBMX), 45 km from the middle of the area, began a volume at 17:27 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

Birmingham, AL (KBMX), launched 12:00Z, 5.4 hours before the alert went out and 44 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: 26 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 555 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 449 m²/s²
0-3 km storm-relative helicity: 762 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBMX 011727
FFWBHM
ALC073-012100-


BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1225 PM CDT TUE JUL 01 2003


THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A


* FLASH FLOOD WARNING FOR...
  VILLAGE CREEK IN JEFFERSON COUNTY


* UNTIL 300 PM

* HEAVY RAINFALL OVER THE VILLAGE CREEK BASIN IS PRODUCING RISES ON THE CREEK...
AND A FLASH FLOOD WARNING IS IN EFFECT. 


* FOR VILLAGE CREEK AT AVENUE W... 
  NO FLOODING IS CURRENTLY OCCURRING. 
  LATEST STAGE...WAS 9.8 FEET AT 1220 PM TUESDAY. 
  FLOOD STAGE...IS 10 FEET. 
  THE FORECAST...FOR VILLAGE CREEK AT AVENUE W... 
          THE CREEK WILL RISE ABOVE FLOOD STAGE BY 1230 PM. 
          IT WILL CREST NEAR  10.5 FEET BY 130 PM. 
          IT WILL FALL BELOW FLOOD STAGE BY 3 PM. 


DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY.  THE WATER 
DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.  TWO FEET OF RUSHING 
WATER CAN CARRY AWAY MOST VEHICLES...INCLUDING SUVS AND PICKUPS.  VEHICLES 
CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.  MOVE TO HIGH GROUND.

YOU CAN REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY CALLING 
1-800-856-0758.

LAT...LON 3348 8729 3329 8704 3358 8659 3383 8678

$$

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, 8:08 AM CDT	Flash Flood Warning	BMX	Chambers, Lee, Macon, Randolph	4 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; radar from the NEXRAD Level II archive.