Alert archive / Alabama / Tornado Warnings in 2001

Tornado Warning 15, NWS Mobile, AL

June 11, 2001Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Jun 11, 2001, 7:45 AM CDT for Mobile County, Alabama. It was in force for 30 min. 1 report 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, 7:45 AM CDT (12:45 UTC)
Expired: Jun 11, 2001, 8:15 AM CDT
In force: 30 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, 7:45 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 11, 7:45 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 0.8 hours before the alert went out and 152 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.

000 
WFUS54 KMOB 111246
TORMOB

ALC097-111315-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 815 AM CDT

* AT 742 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 2 MILES WEST OF GEORGETOWN...MOVING NORTH AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  GULFCREST BY 755 AM CDT
  CITRONELLE...SIDNEY BY 805 AM CDT

A TORNADO WATCH IS IN EFFECT UNTIL 100 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@.

LAT...LON 3082 8841 3084 8821 3115 8823 3111 8842

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, 7:08 AM CDT	Tornado Warning	MOB	Mobile	37 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.