Alert archive / Alabama / Flash Flood Warnings in 1997

Flash Flood Warning 2, NWS Birmingham, AL

February 28, 1997Bibb County, Alabama

NWS Birmingham, AL issued this flash flood warning at Feb 28, 1997, 8:19 AM CST for Bibb 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 counties it named.

The facts

Issued: Feb 28, 1997, 8:19 AM CST (14:19 UTC)
Expired: Feb 28, 1997, 11:15 AM CST
In force: 3 hr
Issued by: NWS Birmingham, AL
Area: Whole counties

County Bibb County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 2.3 hours before the alert went out and 38 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: 133 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 508 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 286 m²/s²
0-3 km storm-relative helicity: 334 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 281421
FFWBHM
ALC007-281715-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
819 AM CST FRI FEB 28 1997
 
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1115 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL ALABAMA
 
   ...BIBB COUNTY
 
HEAVY RAIN THE LAST 2 HOURS HAS CAUSED FLASH FLOODING AND SOME ROADS IN
SOME SPOTS ARE COVERED WITH WATER. PLEASANT HILL ROAD OFF HIGHWAY 58 AND
OLD WOODSTOCK ROAD ARE CLOSED TO THRU TRAFFIC. OTHER ROADS REMAIN
HAZARDOUS.
 
AT 815 AM CST SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE IN THE
AREA BUT THE MOST WIDESPREAD AND HEAVIEST RAIN HAS MOVED NORTHEAST OF
THE AREA.  HOWEVER RUNOFF FROM THE EARLIER HEAVY RAIN WILL CAUSE THE
FLASH FLOODING TO CONTINUE FOR THE NEXT FEW HOURS.
 
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
CRNOSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 7:51 AM CST	Severe Thunderstorm Warning	BMX	Coosa, Talladega	54 min
Feb 28, 8:14 AM CST	Tornado Warning	BMX	Clay	46 min
Feb 28, 8:32 AM CST	Severe Thunderstorm Warning	BMX	Tallapoosa	43 min
Feb 28, 8:41 AM CST	Severe Thunderstorm Warning	BMX	Coosa	34 min
Feb 28, 8:53 AM CST	Tornado Warning	BMX	Clay	37 min
Feb 28, 9:09 AM CST	Severe Thunderstorm Warning	BMX	Tallapoosa	36 min
Feb 28, 9:13 AM CST	Flash Flood Warning	BMX	Clay, Cleburne, Randolph	3 hr
Feb 28, 9:13 AM CST	Flash Flood Warning	BMX	Calhoun, Cherokee, Etowah	3 hr
Feb 28, 9:13 AM CST	Severe Thunderstorm Warning	BMX	Randolph	47 min
Feb 28, 9:28 AM CST	Severe Thunderstorm Warning	BMX	Chambers	47 min

Nearby

Flash Flood Warnings in Alabama, 1997 Every flash flood warning in 1997

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.