Alert archive / Florida / Tornado Warnings in 2001

Tornado Warning 21, NWS Tallahassee, FL

June 11, 2001Jefferson County, Madison County, Florida

NWS Tallahassee, FL issued this tornado warning at Jun 11, 2001, 6:49 PM EDT for Jefferson County, Madison County, Florida. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 11, 2001, 6:49 PM EDT (22:49 UTC)
Expired
Jun 11, 2001, 7:15 PM EDT
In force
26 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Jefferson County, FL, Madison County, FL

The radar

The Tallahassee radar (KTLH), 62 km from the middle of the area, began a volume at 22:51 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.

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 10.8 hours before the alert went out and 190 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, Jacksonville, FL at 12:00Z on 2001-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 856 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, Jacksonville, FL at 12:00Z on 2001-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
856 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
777 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

353 
WFUS52 KTAE 112249
TORTLH
FLC065-079-112315-

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

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL JEFFERSON COUNTY IN FLORIDA
  WESTERN MADISON COUNTY IN FLORIDA

* UNTIL 715 PM EDT...

* AT 646 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 4 MILES SOUTH OF LAMONT...OR ABOUT 16 MILES
  SOUTH OF MONTICELLO...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  LAMONT BY 650 PM EDT...
  SIRMANS BY 700 PM EDT...
  AUCILLA...MOSELEY HALL BY 710 PM EDT...
  GREENVILLE BY 715 PM EDT...

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.


.END

48-TURNAGE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 2:03 PM EDTSevere Thunderstorm WarningTAEWalton27 min
Jun 11, 3:13 PM EDTTornado WarningTAEFranklin32 min
Jun 11, 7:34 PM EDTTornado WarningTAEMadison26 min

Nearby

Tornado Warnings in Florida, 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; radar from the NEXRAD Level II archive.