Alert archive / Florida / Tornado Warnings in 2000

Tornado Warning 40, NWS Tallahassee, FL

September 22, 2000Jefferson County, Florida

NWS Tallahassee, FL issued this tornado warning at Sep 22, 2000, 1:52 PM EDT for Jefferson County, Florida. It was in force for 38 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
Sep 22, 2000, 1:52 PM EDT (17:52 UTC)
Expired
Sep 22, 2000, 2:30 PM EDT
In force
38 min
Issued by
NWS Tallahassee, FL
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Jefferson County, FL

The radar

The Tallahassee radar (KTLH), 50 km from the middle of the area, began a volume at 17:52 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.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.9 hours before the alert went out and 47 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, Tallahassee Rgnl, FL at 12:00Z on 2000-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 100 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2000-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 260 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
100 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
260 m²/s²
0-3 km storm-relative helicity
504 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.

000 
WFUS52 KTAE 221755
TORTLH

FLC065-221830-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
152 PM EDT FRI SEP 22 2000

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  JEFFERSON COUNTY IN FLORIDA

* UNTIL 230 PM EDT

* AT 155 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 5 MILES SOUTH OF DRIFTON...OR ABOUT 25 MILES    
  EAST OF TALLAHASSEE...MOVING NORTHEAST AT 20 MPH. DOPPLER RADAR    
  ALSO INDICATED ANOTHER DEVELOPING TORNADO ABOUT 10 MILES SOUTH OF 
  WACISSA MOVING NORTH AT 20 MPH.

* THESE TORNADOES WILL BE NEAR...
  DRIFTON BY 200 PM EDT
  WACISSA BY 210 PM EDT  
  DILLS BY 220 PM EDT
 

IF YOU ARE CAUGHT OUTSIDE...SEEK SAFETY IN A NEARBY STURDY BUILDING. 
ABANDON VEHICLES. 

LAT...LON 3048 8391 3038 8383 3059 8369 3065 8378

.END
17 GOULD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 8:01 AM EDTTornado WarningTAEFranklin, Wakulla44 min
Sep 22, 8:29 AM EDTTornado WarningTAELiberty31 min
Sep 22, 9:51 AM EDTTornado WarningTAELeon, Wakulla39 min
Sep 22, 2:51 PM EDTTornado WarningTAEMadison39 min

Nearby

Tornado Warnings in Florida, 2000Every tornado warning in 2000Tornadoes in 2000

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.