Alert archive / Florida / Tornado Warnings in 2002

Tornado Warning 2, NWS Tallahassee, FL

February 20, 20029 counties in Florida

NWS Tallahassee, FL issued this tornado warning at Feb 20, 2002, 9:14 AM EST for 9 counties in Florida. It was in force for 16 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
Feb 20, 2002, 9:14 AM EST (14:14 UTC)
Expired
Feb 20, 2002, 9:30 AM EST
In force
16 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Dixie County, FL, Gadsden County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 42 km from the middle of the area, began a volume at 14:16 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, 2.2 hours before the alert went out and 40 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 2002-02-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Tallahassee Rgnl, FL at 12:00Z on 2002-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 475 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1013 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
475 m²/s²
0-3 km storm-relative helicity
544 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KTAE 201414
TORTLH
FLC029-037-039-065-067-073-077-079-123-129-201430-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING DRILL...THIS IS A DRILL MESSAGE...REPEAT ONLY A DRILL
NATIONAL WEATHER SERVICE TALLAHASSEE FL
915 AM EST WED FEB 20 2002

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO DRILL FOR...
  DIXIE COUNTY IN FLORIDA
  FRANKLIN COUNTY IN FLORIDA
  GADSDEN COUNTY IN FLORIDA
  JEFFERSON COUNTY IN FLORIDA
  LAFAYETTE COUNTY IN FLORIDA
  LEON COUNTY IN FLORIDA
  LIBERTY COUNTY IN FLORIDA
  MADISON COUNTY IN FLORIDA
  TAYLOR COUNTY IN FLORIDA
  WAKULLA COUNTY IN FLORIDA
  
* UNTIL 930 AM EST...

* AT 915 AM EST...NO SEVERE WEATHER WAS OCCURRING OVER THE FLORIDA   
  BIG BEND. THIS IS A DRILL. AT THIS TIME PLEASE PRACTICE YOUR       
  TORNADO SAFETY PROCEDURES. IF THIS WERE AN ACTUAL TORNADO          
  WARNING...YOU SHOULD GO TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF 
  YOUR BUILDING. WEAK STRUCTURES OR VEHICLES SHOULD BE ABANDONED FOR 
  SAFE SHELTER. 

  THIS IS A TORNADO DRILL...REPEAT ONLY A DRILL. NO SEVERE WEATHER   
  IS OCCURRING OVER THE AREA.

NNNN

17-GOULD

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 20, 9:14 AM ESTTornado WarningTAEFranklin16 min

Nearby

Tornado Warnings in Florida, 2002Every tornado warning in 2002Tornadoes in 2002

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.