Alert archive / Florida / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 129, NWS Melbourne, FL

October 30, 1993Marion County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Oct 30, 1993, 11:00 AM EDT for Marion County, Florida. It was in force for 60 min.

The area

The counties it named.

The facts

Issued: Oct 30, 1993, 11:00 AM EDT (15:00 UTC)
Expired: Oct 30, 1993, 12:00 PM EDT
In force: 60 min
Issued by: NWS Melbourne, FL
Area: Whole counties

County Marion County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 3.0 hours before the alert went out and 171 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: 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.

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.

NWS Melbourne, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 30, 10:15 AM EDT, 45 minutes earlier.

Area forecast discussion, Oct 30, 10:15 AM EDT, 45 minutes before

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In the hours before

Special weather statement, Oct 30, 9:35 AM EDT, 1 hour 25 minutes before

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Special weather statement, Oct 30, 9:39 AM EDT, 1 hour 21 minutes before

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Special weather statement, Oct 30, 10:35 AM EDT, 25 minutes before

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Special weather statement, Oct 30, 10:37 AM EDT, 23 minutes before

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Special weather statement, Oct 30, 10:44 AM EDT, 16 minutes before

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Special weather statement, Oct 30, 10:44 AM EDT, 16 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 30, 5:24 AM EDT	Tornado Warning	MLB	Marion	36 min
Oct 30, 12:18 PM EDT	Severe Thunderstorm Warning	MLB	Flagler	57 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.