Alert archive / Alabama / Flash Flood Warnings in 2001

Flash Flood Warning 22, NWS Mobile, AL

November 24, 2001Butler County, Crenshaw County, Monroe County, Alabama

NWS Mobile, AL issued this flash flood warning at Nov 24, 2001, 7:15 PM CST for Butler County, Crenshaw County, Monroe 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Nov 24, 2001, 7:15 PM CST (01:15 UTC)
Expired: Nov 24, 2001, 10:15 PM CST
In force: 3 hr
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Butler County, AL, Crenshaw County, AL, Monroe County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.3 hours before the alert went out and 151 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: 1498 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 511 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 341 m²/s²
0-3 km storm-relative helicity: 429 m²/s²
Significant tornado parameter: 3.1
Supercell composite: 12.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 250120
FFWMOB
ALC013-041-099-250415-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
715 PM CST SAT NOV 24 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONROE COUNTY IN SOUTH CENTRAL ALABAMA
  BUTLER COUNTY IN SOUTH CENTRAL ALABAMA
  CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA

* UNTIL 1015 PM CST

* AT 715 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN FROM SEVERAL CELLS MOVING FROM NORTHEASTERN MONROE COUNTY
  INTO NORTHERN BUTLER AND NORTHERN CRENSHAW COUNTIES. RADAR ESTIMATES 
  THAT TWO TO THREE INCHES OF RAIN HAVE FALLEN OVER THESE AREAS...WITH 
  SEVERAL MORE STRONG CELL PASSING OVER THESE AREAS. 

* AREAS AFFECTED BY THESE STORMS INCLUDE...
  OLD TEXAS...SAUCER...LIBERTY...GREENVILLE...MASHVILLE...HONORAVILLE
  ...SAVILLE...BRADLEYTON AND PETREY.

EXCESSIVE RUNOFF FROM THESE STORMS 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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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.

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

LAT...LON 3176 8743 3149 8730 3173 8701 3177 8691
          3166 8692 3205 8589 3228 8601 3195 8691
          3184 8691 3184 8715

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 24, 6:21 PM CST	Tornado Warning	MOB	Butler	39 min
Nov 24, 6:41 PM CST	Tornado Warning	MOB	Crenshaw	34 min
Nov 24, 6:56 PM CST	Tornado Warning	MOB	Butler	49 min
Nov 24, 6:56 PM CST	Tornado Warning	MOB	Escambia	49 min
Nov 24, 7:14 PM CST	Tornado Warning	MOB	Crenshaw	46 min
Nov 24, 7:19 PM CST	Tornado Warning	MOB	Conecuh, Covington	41 min
Nov 24, 7:32 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	43 min
Nov 24, 7:49 PM CST	Tornado Warning	MOB	Butler	26 min
Nov 24, 7:58 PM CST	Tornado Warning	MOB	Crenshaw	32 min
Nov 24, 8:00 PM CST	Tornado Warning	MOB	Covington	45 min
Nov 24, 8:30 PM CST	Tornado Warning	MOB	Crenshaw	30 min
Nov 24, 8:31 PM CST	Severe Thunderstorm Warning	MOB	Escambia	29 min

Nearby

Flash Flood Warnings in Alabama, 2001 Every flash flood warning in 2001

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.