Alert archive / Alabama / Tornado Warnings in 2001

Tornado Warning 19, NWS Mobile, AL

June 11, 2001Covington County, Crenshaw County, Alabama

NWS Mobile, AL issued this tornado warning at Jun 11, 2001, 8:34 PM CDT for Covington County, Crenshaw County, Alabama. It was in force for 41 min. 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: Jun 11, 2001, 8:34 PM CDT (01:34 UTC)
Expired: Jun 11, 2001, 9:15 PM CDT
In force: 41 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Covington County, AL, Crenshaw County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.6 hours before the alert went out and 204 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: 215 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 755 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMOB 120137
TORMOB
ALC039-041-120215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
834 PM CDT MON JUN 11 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  COVINGTON COUNTY IN SOUTHWEST ALABAMA
  CRENSHAW COUNTY IN SOUTHWEST ALABAMA

* UNTIL 915 PM CDT

* AT 832 PM CDT...THE PUBLIC REPORTED SEVERAL FUNNEL CLOUDS FROM     
  SOUTHERN CRENSHAW COUNTY SOUTH INTO EASTERN COVINGTON COUNTY.      
  MOVEMENT WAS NORTHEAST AT 15 MPH. 

* THE LINE OF STORMS CONTAINING FUNNEL CLOUS WILL SPREAD NORTHEAST 
ACROSS THE WARNED AREA THROUGH 915 PM. 

IF YOU ARE IN THE PATH OF A TORNADO...ABANDON VEHICLES AND TRAILER
HOMES AND SEEK A REINFORCED SHELTER UNTIL THE STORM HAS PASSED.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 3150 8646 3111 8639 3113 8620 3164 8631

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 10:15 PM CDT	Flash Flood Warning	MOB	Butler, Crenshaw	3 hr

Nearby

Tornado Warnings in Alabama, 2001 Every tornado warning in 2001 Tornadoes 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.