Alert archive / Alabama / Tornado Warnings in 2001

Tornado Warning 18, NWS Mobile, AL

June 11, 2001Covington County, Alabama

NWS Mobile, AL issued this tornado warning at Jun 11, 2001, 6:16 PM CDT for Covington County, Alabama. It was in force for 14 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, 6:16 PM CDT (23:16 UTC)
Expired
Jun 11, 2001, 6:30 PM CDT
In force
14 min
Issued by
NWS Mobile, AL
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Covington County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.3 hours before the alert went out and 210 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-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2001-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1434 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2001-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1434 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
457 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
-22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

526 
WFUS54 KMOB 112316
TORMOB
ALC039-112330-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 630 PM CDT

* AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 3 MILES SOUTH OF EODA...MOVING NORTHEAST AT 35 MPH.

* THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF...
  NORTHEASTERN COVINGTON COUNTY.

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

LAT...LON 3133 8643 3121 8634 3132 8610 3149 8620

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 6:26 AM CDTSevere Thunderstorm WarningMOBMobile64 min
Jun 11, 7:08 AM CDTTornado WarningMOBMobile37 min
Jun 11, 7:45 AM CDTTornado WarningMOBMobile30 min
Jun 11, 7:59 AM CDTSevere Thunderstorm WarningMOBBaldwin61 min
Jun 11, 8:06 AM CDTSevere Thunderstorm WarningMOBWashington24 min
Jun 11, 9:00 AM CDTSevere Thunderstorm WarningMOBBaldwin, Escambia60 min
Jun 11, 9:59 AM CDTTornado WarningMOBBaldwin31 min
Jun 11, 1:03 PM CDTFlash Flood WarningMOBBaldwin12 hr
Jun 11, 5:41 PM CDTTornado WarningMOBCovington34 min

Nearby

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