Alert archive / Florida / Tornado Warnings in 2002

Tornado Warning 36, NWS Jacksonville, FL

December 24, 2002Suwannee County, Florida

NWS Jacksonville, FL issued this tornado warning at Dec 24, 2002, 12:55 PM EST for Suwannee County, Florida. It was in force for 50 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
Dec 24, 2002, 12:55 PM EST (17:55 UTC)
Expired
Dec 24, 2002, 1:45 PM EST
In force
50 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

County Suwannee County, FL

The watch it was issued in

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

IssuedProductOfficeLasted
Dec 24, 9:20 AM ESTTornado WatchSPC5 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.9 hours before the alert went out and 128 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 2002-12-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 132 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2002-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 471 square meters per square second.19395878Sfc1 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
132 J/kg
Mixed-layer CIN
-145 J/kg
Mixed-layer LCL
463 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
471 m²/s²
0-3 km storm-relative helicity
585 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

525 
WFUS52 KJAX 241755
TORJAX
FLC121-241845-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1255 PM EST TUE DEC 24 2002

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN SUWANNEE COUNTY IN NORTHERN FLORIDA

* UNTIL 145 PM EST

* AT 1247 PM EST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 3 MILES SOUTHWEST OF MCALPIN...OR ABOUT 11 MILES
  EAST OF MAYO...MOVING EAST AT 20 MPH.

LAT...LON 3002 8300 3011 8311 3019 8311 3025 8280
          3003 8279
$$

WELSH

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 24, 9:56 AM ESTSevere Thunderstorm WarningJAX49 min
Dec 24, 10:04 AM ESTSevere Thunderstorm WarningJAX56 min
Dec 24, 10:21 AM ESTSevere Thunderstorm WarningJAX54 min
Dec 24, 11:05 AM ESTSevere Thunderstorm WarningJAX40 min
Dec 24, 11:25 AM ESTSevere Thunderstorm WarningJAX50 min
Dec 24, 11:45 AM ESTSpecial Marine WarningJAX3 hr
Dec 24, 11:58 AM ESTSevere Thunderstorm WarningJAX47 min
Dec 24, 12:28 PM ESTTornado WarningJAXSuwannee92 min
Dec 24, 12:35 PM ESTFlash Flood WarningJAXSuwannee115 min
Dec 24, 12:53 PM ESTTornado WarningJAXDuval22 min
Dec 24, 12:59 PM ESTTornado WarningJAXAlachua, Bradford46 min
Dec 24, 1:01 PM ESTTornado WarningJAXColumbia, Union59 min
Dec 24, 1:12 PM ESTTornado WarningJAXClay48 min
Dec 24, 1:55 PM ESTSpecial Marine WarningJAX2 hr
Dec 24, 4:46 PM ESTSevere Thunderstorm WarningJAX44 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.