Alert archive / Florida / Tornado Warnings in 2001

Tornado Warning 27, NWS Tallahassee, FL

June 11, 2001Leon County, Wakulla County, Florida

NWS Tallahassee, FL issued this tornado warning at Jun 11, 2001, 9:50 PM EDT for Leon County, Wakulla County, Florida. It was in force for 40 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, 9:50 PM EDT (01:50 UTC)
Expired: Jun 11, 2001, 10:30 PM EDT
In force: 40 min
Issued by: NWS Tallahassee, FL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Leon County, FL, Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 8 km from the middle of the area, began a volume at 01:52 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 11, 10:30 PM EDT	Thunderstorm Wind	Tallahassee, FL	Numerous downed trees and power lines. One house was damaged by fallen trees. Reported by the Tallahassee P.D.

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, 7:15 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 1.8 hours before the alert went out and 259 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: 483 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 869 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KTAE 120150
TORTLH
FLC073-129-120230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
950 PM EDT MON JUN 11 2001

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  LEON COUNTY IN FLORIDA
  THIS INCLUDES TALLAHASSEE...
  WAKULLA COUNTY IN FLORIDA

* UNTIL 1030 PM EDT...

* AT 942 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 19 MILES SOUTHWEST OF TALLAHASSEE...OR ABOUT 8
  MILES NORTHWEST OF CRAWFORDVILLE...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  TALLAHASSEE BY 1015 PM EDT...

IF A TORNADO THREATENS YOUR LOCATION GO TO YOUR SAFE ROOM OR TORNADO
SHELTER. IF YOU DO NOT HAVE A SAFE ROOM OR TORNADO SHELTER...SEEK
SHELTER IN AN INTERIOR ROOM OF THE LOWEST LEVEL OF YOUR HOME.

LAT...LON 3029 8458 3019 8448 3040 8409 3057 8423

.END

9-FOURNIER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 8:03 PM EDT	Tornado Warning	TAE	Madison	27 min
Jun 11, 8:19 PM EDT	Tornado Warning	TAE	Jefferson, Madison	26 min
Jun 11, 8:41 PM EDT	Tornado Warning	TAE	Madison	34 min
Jun 11, 9:13 PM EDT	Tornado Warning	TAE	Madison	62 min
Jun 11, 10:13 PM EDT	Tornado Warning	TAE	Madison	32 min
Jun 11, 10:27 PM EDT	Tornado Warning	TAE	Leon	48 min
Jun 11, 10:48 PM EDT	Flash Flood Warning	TAE	Leon	4 hr
Jun 11, 10:57 PM EDT	Flash Flood Warning	TAE	Leon	5 hr
Jun 11, 11:01 PM EDT	Tornado Warning	TAE	Jefferson, Leon	29 min
Jun 12, 1:35 AM EDT	Tornado Warning	TAE	Madison	25 min
Jun 12, 2:05 AM EDT	Flash Flood Warning	TAE	Leon	6 hr

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.