Alert archive / Alabama / Flash Flood Warnings in 2004

Flash Flood Warning 40, NWS Birmingham, AL

November 22, 2004Tuscaloosa County, Alabama

NWS Birmingham, AL issued this flash flood warning at Nov 22, 2004, 2:12 PM CST for Tuscaloosa County, Alabama. It was in force for 2 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: Nov 22, 2004, 2:12 PM CST (20:12 UTC)
Expired: Nov 22, 2004, 4:15 PM CST
In force: 2 hr
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

County Tuscaloosa County, AL

The radar

The Birmingham radar (KBMX), 63 km from the middle of the area, began a volume at 20:13 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, 8.2 hours before the alert went out and 62 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: 169 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 433 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBMX 222015
FFWBMX
ALC125-222215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
212 PM CST MON NOV 22 2004

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  TUSCALOOSA COUNTY IN WEST CENTRAL ALABAMA
  THIS INCLUDES THE CITY OF TUSCALOOSA

* UNTIL 415 PM CST

* AT 209 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR HEAVY
  RAINFALL FROM SHOWERS AND THUNDERSTORMS CAPABLE OF PRODUCING FLASH
  FLOODING MOVING ACROSS TUSCALOOSA COUNTY.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SAMANTHA...KELLERMAN...HOLT...FOSTERS...ELROD...DUNCANVILLE AND
  BROOKWOOD.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

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

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

LAT...LON 3352 8783 3352 8768 3362 8763 3358 8733
      3353 8732 3351 8726 3350 8732 3346 8734
      3330 8716 3328 8707 3326 8707 3325 8716
      3314 8720 3311 8731 3301 8732 3304 8782
      3304 8782

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 22, 1:58 PM CST	Flash Flood Warning	BMX	Jefferson	2 hr
Nov 22, 4:28 PM CST	Flash Flood Warning	BMX	Jefferson	2 hr
Nov 22, 4:29 PM CST	Flash Flood Warning	BMX	Jefferson	3 hr

Nearby

Flash Flood Warnings in Alabama, 2004 Every flash flood warning in 2004

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.