Alert archive / North Carolina / Special Weather Statements in 2018

Special Weather Statement, NWS Greenville-Spartanburg, SC

May 16, 2018Avery County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at May 16, 2018, 11:31 PM EDT for Avery County, North Carolina. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 16, 2018, 11:31 PM EDT (03:31 UTC)
Expired: May 17, 2018, 12:30 AM EDT
In force: 59 min
Issued by: NWS Greenville-Spartanburg, SC

County Avery County, NC

The radar

The Greer radar (KGSP), 121 km from the middle of the area, began a volume at 03:34 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 00:00Z, 3.5 hours before the alert went out and 174 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: 137 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 909 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 16, 10:48 PM EDT, 43 minutes earlier.

Area forecast discussion, May 16, 10:48 PM EDT, 43 minutes before

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Hazardous weather outlook, May 16, 6:17 PM EDT, 5 hours 14 minutes before

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In the hours before

Local storm report, May 16, 9:19 PM EDT, 2 hours 12 minutes before

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Local storm report, May 16, 9:20 PM EDT, 2 hours 11 minutes before

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Local storm report, May 16, 9:23 PM EDT, 2 hours 8 minutes before

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Local storm report, May 16, 9:26 PM EDT, 2 hours 5 minutes before

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Special weather statement, May 16, 11:02 PM EDT, 29 minutes before

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Special weather statement, May 16, 11:31 PM EDT, 0 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 16, 8:10 PM EDT	Areal Flood Advisory	GSP	Cabarrus, Rowan	89 min
May 16, 8:50 PM EDT	Areal Flood Advisory	GSP	Henderson	4 hr
May 16, 9:55 PM EDT	Areal Flood Advisory	GSP	Jackson, Macon, Transylvania	3 hr
May 16, 11:02 PM EDT	Special Weather Statement	GSP	Alexander	28 min
May 17, 1:01 AM EDT	Areal Flood Advisory	GSP	Transylvania	6 hr
May 17, 3:50 AM EDT	Flash Flood Watch	GSP	Avery, Buncombe, Burke, Caldwell, Henderson, Jackson and 7 more	68 hr
May 17, 4:34 PM EDT	Special Weather Statement	GSP	Haywood	26 min
May 17, 4:40 PM EDT	Special Weather Statement	GSP	Caldwell	35 min
May 17, 5:06 PM EDT	Areal Flood Advisory	GSP	Burke, Caldwell	114 min
May 17, 6:44 PM EDT	Special Weather Statement	GSP	Swain	46 min
May 17, 7:26 PM EDT	Special Weather Statement	GSP	McDowell	49 min
May 17, 7:44 PM EDT	Areal Flood Advisory	GSP	McDowell, Rutherford	2 hr
May 17, 7:48 PM EDT	Special Weather Statement	GSP	Henderson	27 min
May 17, 7:52 PM EDT	Special Weather Statement	GSP	Macon	23 min
May 16, 8:12 PM EDT	Special Weather Statement	GSP	Cherokee	48 min

Nearby

Special Weather Statements in North Carolina, 2018 Every special weather statement in 2018

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.