Alert archive / Florida / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 84, NWS Tallahassee, FL

October 30, 1993Leon County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Oct 30, 1993, 5:59 AM EDT for Leon County, Florida. It was in force for 46 min.

The area

The counties it named.

The facts

Issued: Oct 30, 1993, 5:59 AM EDT (09:59 UTC)
Expired: Oct 30, 1993, 6:45 AM EDT
In force: 46 min
Issued by: NWS Tallahassee, FL
Area: Whole counties

County Leon County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 10.0 hours before the alert went out and 7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1006 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 542 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 336 m²/s²
0-3 km storm-relative helicity: 435 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 10.3

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Oct 30, 2:06 AM EDT, 3 hours 53 minutes before

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Special weather statement, Oct 30, 2:54 AM EDT, 3 hours 5 minutes before

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Special weather statement, Oct 30, 2:54 AM EDT, 3 hours 5 minutes before

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Special weather statement, Oct 30, 4:52 AM EDT, 1 hour 7 minutes before

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Special weather statement, Oct 30, 4:52 AM EDT, 1 hour 7 minutes before

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Special weather statement, Oct 30, 5:20 AM EDT, 39 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 30, 1:48 AM EDT	Tornado Warning	TAE	Walton	57 min
Oct 30, 1:59 AM EDT	Tornado Warning	TAE	Okaloosa, Santa Rosa	61 min
Oct 30, 3:08 AM EDT	Severe Thunderstorm Warning	TAE	Holmes	37 min
Oct 30, 3:23 AM EDT	Severe Thunderstorm Warning	TAE	Jackson	52 min
Oct 30, 4:20 AM EDT	Severe Thunderstorm Warning	TAE	Bay	55 min
Oct 30, 5:00 AM EDT	Severe Thunderstorm Warning	TAE	Gulf	45 min
Oct 30, 3:59 AM EDT	Severe Thunderstorm Warning	TAE	Seminole	46 min

Nearby

Severe Thunderstorm Warnings in Florida, 1993 Every severe thunderstorm warning 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.