Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 93, NWS Greenville-Spartanburg, SC

May 8, 1998Rutherford County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 8, 1998, 1:08 AM EDT for Rutherford County, North Carolina. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 8, 1998, 1:08 AM EDT (05:08 UTC)
Expired: May 8, 1998, 1:55 AM EDT
In force: 47 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Rutherford County, NC

The radar

The Greer radar (KGSP), 64 km from the middle of the area, began a volume at 05:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 5.1 hours before the alert went out and 295 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: 362 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 622 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 304 m²/s²
0-3 km storm-relative helicity: 350 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.1

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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at May 7, 8:29 PM EDT, 4 hours 39 minutes earlier.

Area forecast discussion, May 7, 8:29 PM EDT, 4 hours 39 minutes before

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In the hours before

Local storm report, May 7, 10:30 PM EDT, 2 hours 38 minutes before

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Special weather statement, May 7, 10:36 PM EDT, 2 hours 32 minutes before

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Local storm report, May 7, 10:58 PM EDT, 2 hours 10 minutes before

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Local storm report, May 7, 10:58 PM EDT, 2 hours 10 minutes before

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Local storm report, May 8, 12:55 AM EDT, 13 minutes before

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Local storm report, May 8, 12:55 AM EDT, 13 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
May 7, 8:10 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	50 min
May 7, 10:36 PM EDT	Severe Thunderstorm Warning	GSP	Avery	34 min
May 7, 8:06 PM EDT	Severe Thunderstorm Warning	GSP	Laurens	64 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1998 Every severe thunderstorm warning in 1998

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; radar from the NEXRAD Level II archive.