Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 46, NWS Greenville-Spartanburg, SC

April 17, 1998Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 17, 1998, 5:32 PM EDT for Iredell County, North Carolina. It was in force for 28 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: Apr 17, 1998, 5:32 PM EDT (21:32 UTC)
Expired: Apr 17, 1998, 6:00 PM EDT
In force: 28 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Iredell County, NC

The radar

The Roanoke radar (KFCX), 146 km from the middle of the area, began a volume at 21:35 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.5 hours before the alert went out and 93 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: 77 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 541 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 277 m²/s²
0-3 km storm-relative helicity: 274 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 17, 2:27 PM EDT, 3 hours 5 minutes earlier.

Area forecast discussion, Apr 17, 2:27 PM EDT, 3 hours 5 minutes before

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In the hours before

Special weather statement, Apr 17, 11:47 AM EDT, 5 hours 45 minutes before

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Special weather statement, Apr 17, 11:47 AM EDT, 5 hours 45 minutes before

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Local storm report, Apr 17, 5:09 PM EDT, 23 minutes before

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Local storm report, Apr 17, 5:09 PM EDT, 23 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, 8:14 PM EDT	Tornado Warning	GSP	Buncombe, Henderson	61 min
Apr 16, 8:59 PM EDT	Severe Thunderstorm Warning	GSP	Rutherford	61 min
Apr 16, 10:12 PM EDT	Severe Thunderstorm Warning	GSP	Lincoln	48 min
Apr 16, 10:27 PM EDT	Severe Thunderstorm Warning	GSP	Catawba	33 min
Apr 16, 10:42 PM EDT	Severe Thunderstorm Warning	GSP	Iredell	33 min
Apr 17, 2:33 AM EDT	Flash Flood Warning	GSP	Caldwell	4 hr
Apr 17, 6:02 PM EDT	Severe Thunderstorm Warning	GSP	Davie	28 min
Apr 17, 2:35 AM EDT	Severe Thunderstorm Warning	GSP	Oconee	45 min
Apr 17, 2:50 AM EDT	Tornado Warning	GSP	Pickens	45 min
Apr 17, 3:08 AM EDT	Severe Thunderstorm Warning	GSP	Anderson	47 min
Apr 17, 3:29 AM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	46 min
Apr 17, 5:43 AM EDT	Flash Flood Warning	GSP	Anderson	2 hr
Apr 17, 6:11 AM EDT	Severe Thunderstorm Warning	GSP	Greenville, Laurens	44 min
Apr 17, 6:50 AM EDT	Severe Thunderstorm Warning	GSP	Laurens, Spartanburg	45 min
Apr 17, 7:44 AM EDT	Flash Flood Warning	GSP	Anderson	3 hr
Apr 17, 2:19 AM EDT	Severe Thunderstorm Warning	GSP	Habersham	31 min
Apr 17, 2:31 AM EDT	Severe Thunderstorm Warning	GSP	Stephens	34 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.