Alert archive / Alabama / Tornado Warnings in 2001

Tornado Warning 14, NWS Mobile, AL

June 11, 2001Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Jun 11, 2001, 7:08 AM CDT for Mobile County, Alabama. It was in force for 37 min. 4 reports came from 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, with what was reported inside it.

The facts

Issued: Jun 11, 2001, 7:08 AM CDT (12:08 UTC)
Expired: Jun 11, 2001, 7:45 AM CDT
In force: 37 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Mobile County, AL

What was reported inside it

Time	Report	Where	Remark
Jun 11, 7:20 AM CDT	Thunderstorm Wind 55 E	Grand Bay, AL	High winds from a thunderstorm blew trees and power lines down near Grand Bay.
Jun 11, 7:35 AM CDT	Thunderstorm Wind 65 E	Semmes, AL	High winds from a mesocyclone moving north across the area blew down several trees. Some of the trees landed on roofs of homes and automobiles. The high winds also caused some roof and outbuilding damage. Most of the damage was just north of U. S. Highway 9
Jun 11, 7:40 AM CDT	Tornado F0	(Mob)Mobile Bates Fl, AL	An F0 tornado first touched down in southwest Mobile county about 8 miles southwest of the Mobile Regional Airport. The initial touchdown was near Jeff Hamilton Road, just to the east of Newman Road. The weak tornado moved across open fields and forest, movi
Jun 11, 7:45 AM CDT	Thunderstorm Wind 65 E	Georgetown, AL	High winds from a mesocyclone blew down several trees with some landing on roofs of homes and automobiles. The high winds also caused some damage to roofs and outbuildings. Most of the damage was along State Highway 217 just north of the Georgetown Fire De

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 0.1 hours before the alert went out and 142 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: 99 J/kg
Mixed-layer CIN: -100 J/kg
Mixed-layer LCL: 983 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: -62 m²/s²
0-3 km storm-relative helicity: -16 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

449 
WFUS54 KMOB 111208
TORMOB
ALC097-111245-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 745 AM CDT

* AT 703 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 3 MILES NORTHWEST OF GRAND BAY...MOVING NORTHEAST AT 45
  MPH.

* THE TORNADO WILL BE NEAR...
  SEVEN HILLS...HUTCHENS ELEMENTARY SCHOOL BY 715 AM CDT
  SNOW AND TANNER WILLIAMS ROADS...MOBILE AIRPORT BY 720 AM CDT
  MAGNOLIA GROVE GOLF COURSE...UNIVERSITY OF SOUTH ALABAMA BY 725 AM
  CDT
  SEMMES...LOTT AND COLEMAN DAIRY ROADS BY 730 AM CDT

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 3051 8850 3042 8831 3091 8799 3101 8822

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 6:26 AM CDT	Severe Thunderstorm Warning	MOB	Mobile	64 min
Jun 11, 7:45 AM CDT	Tornado Warning	MOB	Mobile	30 min
Jun 11, 7:59 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	61 min
Jun 11, 8:06 AM CDT	Severe Thunderstorm Warning	MOB	Washington	24 min
Jun 11, 9:00 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Escambia	60 min
Jun 11, 9:59 AM CDT	Tornado Warning	MOB	Baldwin	31 min
Jun 11, 1:03 PM CDT	Flash Flood Warning	MOB	Baldwin	12 hr
Jun 11, 5:41 PM CDT	Tornado Warning	MOB	Covington	34 min
Jun 11, 6:16 PM CDT	Tornado Warning	MOB	Covington	14 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.