Alert archive / Florida / Tornado Warnings in 1993

Tornado Warning 19, NWS Jacksonville, FL

October 30, 1993Alachua County, Gilchrist County, Florida

NWS Jacksonville, FL issued this tornado warning at Oct 30, 1993, 10:34 AM EDT for Alachua County, Gilchrist County, Florida. It was in force for 41 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Oct 30, 1993, 10:34 AM EDT (14:34 UTC)
Expired
Oct 30, 1993, 11:15 AM EDT
In force
41 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Alachua County, FL, Gilchrist County, FL

What was reported inside it

TimeReportWhereRemark
Oct 30, 10:39 AM EDTTornado F0Alachua, FLSheriff's office personnel reported a tornado. No damage was noted.
Oct 30, 10:50 AM EDTTornado F0Alachua, FLSheriff's office personnel briefly sighted a tornado near Newberry.

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 2.6 hours before the alert went out and 223 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, Tampa Bay, FL at 12:00Z on 1993-10-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2419 joules per kilogram.LCLEL10008507005003002001001 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, Tampa Bay, FL at 12:00Z on 1993-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 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
2419 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
587 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
339 m²/s²
Significant tornado parameter
3.7
Supercell composite
23.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 30, 11:20 AM EDTTornado WarningJAXPutnam40 min
Oct 30, 11:55 AM EDTTornado WarningJAXPutnam35 min
Oct 30, 12:09 PM EDTSevere Thunderstorm WarningJAXSaint Johns66 min
Oct 30, 6:16 AM EDTSevere Thunderstorm WarningJAXCoffee, Jeff Davis44 min
Oct 30, 6:28 AM EDTSevere Thunderstorm WarningJAXToombs47 min
Oct 30, 6:37 AM EDTSevere Thunderstorm WarningJAXAppling53 min
Oct 30, 7:13 AM EDTSevere Thunderstorm WarningJAXLiberty, Long, Tattnall47 min
Oct 30, 7:23 AM EDTTornado WarningJAXPierce37 min
Oct 30, 7:29 AM EDTSevere Thunderstorm WarningJAXWayne46 min
Oct 30, 8:08 AM EDTSevere Thunderstorm WarningJAXBryan, Liberty, McIntosh52 min
Oct 30, 8:08 AM EDTSevere Thunderstorm WarningJAXChatham52 min
Oct 30, 8:08 AM EDTSevere Thunderstorm WarningJAXGlynn52 min

Nearby

Tornado Warnings in Florida, 1993Every tornado warning in 1993Tornadoes in 1993

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.