Alert archive / North Carolina / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 34, NWS Greenville-Spartanburg, SC

April 15, 1993Jackson County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 15, 1993, 10:40 PM EDT for Jackson County, North Carolina. It was in force for 65 min.

The area

The counties it named.

The facts

Issued: Apr 15, 1993, 10:40 PM EDT (02:40 UTC)
Expired: Apr 15, 1993, 11:45 PM EDT
In force: 65 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Jackson County, NC

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 00:00Z, 2.7 hours before the alert went out and 149 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: 239 J/kg
Mixed-layer CIN: -119 J/kg
Mixed-layer LCL: 1059 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 283 m²/s²
0-3 km storm-relative helicity: 287 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

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

Local storm report, Apr 15, 6:07 PM EDT, 4 hours 33 minutes before

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Local storm report, Apr 15, 6:38 PM EDT, 4 hours 2 minutes before

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Special weather statement, Apr 15, 7:14 PM EDT, 3 hours 26 minutes before

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Special weather statement, Apr 15, 7:18 PM EDT, 3 hours 22 minutes before

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Local storm report, Apr 15, 7:20 PM EDT, 3 hours 20 minutes before

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Special weather statement, Apr 15, 7:44 PM EDT, 2 hours 56 minutes before

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The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 16, 2:38 AM EDT	Severe Thunderstorm Warning	GSP	Union	52 min
Apr 16, 2:44 AM EDT	Severe Thunderstorm Warning	GSP	Cabarrus	46 min
Apr 16, 4:00 AM EDT	Severe Thunderstorm Warning	GSP	Anson	60 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 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.