Alert archive / Florida / Tornado Warnings in 1993

Tornado Warning 20, NWS Jacksonville, FL

October 30, 1993Putnam County, Florida

NWS Jacksonville, FL issued this tornado warning at Oct 30, 1993, 11:20 AM EDT for Putnam County, Florida. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Oct 30, 1993, 11:20 AM EDT (15:20 UTC)
Expired
Oct 30, 1993, 12:00 PM EDT
In force
40 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

County Putnam County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 3.3 hours before the alert went out and 221 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, 10:34 AM EDTTornado WarningJAXAlachua, Gilchrist41 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; the sounding from the Mesonet's radiosonde archive.