Alert archive / Florida / Tornado Warnings in 2001

Tornado Warning 11, NWS Tallahassee, FL

March 12, 2001Calhoun County, Florida

NWS Tallahassee, FL issued this tornado warning at Mar 12, 2001, 5:20 PM CST for Calhoun County, Florida. It was in force for 25 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: Mar 12, 2001, 5:20 PM CST (23:20 UTC)
Expired: Mar 12, 2001, 5:45 PM CST
In force: 25 min
Issued by: NWS Tallahassee, FL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Calhoun County, FL

The watch it was issued in

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

Issued	Product	Office	Lasted
Mar 12, 1:45 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.3 hours before the alert went out and 90 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 946 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 232 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

980 
WFUS52 KTAE 122321
TORTLH
FLC013-122345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
520 PM CST MON MAR 12 2001

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  CALHOUN COUNTY IN FLORIDA
  THIS INCLUDES BLOUNTSTOWN...

* UNTIL 545 PM CST...

* AT 515 PM CST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 15 MILES SOUTHWEST OF BLOUNTSTOWN...MOVING EAST
  AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  BLOUNTSTOWN BY 540 PM CST...

IF YOU ARE CAUGHT OUTSIDE...SEEK SAFETY IN A NEARBY STURDY BUILDING.
ABANDON VEHICLES. AS A LAST RESORT...SEEK REFUGE IN A CULVERT...
DITCH...OR LOW SPOT...AND COVER YOUR HEAD.

IF YOU ARE IN THE PATH OF THIS TORNADO...ABANDON YOUR MOBILE HOME FOR
A REINFORCED SHELTER.

LAT...LON 3036 8533 3028 8529 3023 8512 3060 8499
          3057 8534

.END

12-WATSON

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 12, 3:56 AM CST	Severe Thunderstorm Warning	TAE	Walton	64 min
Mar 12, 1:37 PM CST	Severe Thunderstorm Warning	TAE	Walton	38 min
Mar 12, 3:32 PM CST	Tornado Warning	TAE	Walton	28 min
Mar 12, 3:36 PM CST	Severe Thunderstorm Warning	TAE	Jackson	24 min
Mar 12, 4:08 PM CST	Severe Thunderstorm Warning	TAE	Bay	52 min
Mar 12, 4:29 PM CST	Tornado Warning	TAE	Bay	31 min
Mar 12, 5:03 PM CST	Severe Thunderstorm Warning	TAE	Calhoun	27 min

Nearby

Tornado Warnings in Florida, 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.