Alert archive / North Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 16, 2017Polk County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 16, 2017, 11:31 PM EDT for Polk County, North Carolina. It was in force for 29 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: Jul 16, 2017, 11:31 PM EDT (03:31 UTC)
Expired: Jul 17, 2017, 12:00 AM EDT
In force: 29 min
Issued by: NWS Greenville-Spartanburg, SC

County Polk County, NC

The radar

The Greer radar (KGSP), 55 km from the middle of the area, began a volume at 03:33 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.5 hours before the alert went out and 315 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: 158 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 1271 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 5 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 Jul 16, 10:24 PM EDT, 1 hour 7 minutes earlier.

Area forecast discussion, Jul 16, 10:24 PM EDT, 1 hour 7 minutes before

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Hazardous weather outlook, Jul 16, 5:18 AM EDT, 18 hours 13 minutes before

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In the hours before

Special weather statement, Jul 16, 8:57 PM EDT, 2 hours 34 minutes before

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Local storm report, Jul 16, 8:58 PM EDT, 2 hours 33 minutes before

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Special weather statement, Jul 16, 9:18 PM EDT, 2 hours 13 minutes before

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Local storm report, Jul 16, 9:24 PM EDT, 2 hours 7 minutes before

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Special weather statement, Jul 16, 9:32 PM EDT, 1 hour 59 minutes before

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Special weather statement, Jul 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
Jul 17, 1:34 PM EDT	Special Weather Statement	GSP	Avery	41 min
Jul 17, 1:44 PM EDT	Special Weather Statement	GSP	Transylvania	46 min
Jul 17, 2:15 PM EDT	Special Weather Statement	GSP	McDowell	45 min
Jul 17, 2:25 PM EDT	Special Weather Statement	GSP	Transylvania	35 min
Jul 17, 2:30 PM EDT	Special Weather Statement	GSP	Avery	30 min
Jul 17, 2:59 PM EDT	Special Weather Statement	GSP	Henderson	31 min
Jul 17, 3:02 PM EDT	Special Weather Statement	GSP	Mitchell	28 min
Jul 17, 3:51 PM EDT	Special Weather Statement	GSP	Yancey	24 min
Jul 17, 4:05 PM EDT	Special Weather Statement	GSP	Mecklenburg	25 min
Jul 17, 4:21 PM EDT	Special Weather Statement	GSP	Rutherford	24 min
Jul 17, 4:27 PM EDT	Special Weather Statement	GSP	Mecklenburg	33 min
Jul 17, 4:35 PM EDT	Special Weather Statement	GSP	Yancey	25 min
Jul 17, 4:43 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Iredell	47 min
Jul 17, 4:54 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Caldwell, McDowell	51 min
Jul 17, 4:58 PM EDT	Special Weather Statement	GSP	Rutherford	32 min
Jul 17, 5:09 PM EDT	Special Weather Statement	GSP	Burke	36 min
Jul 17, 5:23 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Catawba, Iredell	52 min
Jul 17, 5:40 PM EDT	Special Weather Statement	GSP	Caldwell	35 min
Jul 17, 5:56 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Catawba	49 min
Jul 17, 6:02 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Caldwell	43 min
Jul 17, 6:05 PM EDT	Severe Thunderstorm Warning	GSP	McDowell, Rutherford	40 min
Jul 17, 6:14 PM EDT	Special Weather Statement	GSP	Rutherford	31 min
Jul 17, 6:43 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Caldwell	47 min
Jul 17, 6:48 PM EDT	Special Weather Statement	GSP	Polk	27 min
Jul 17, 6:52 PM EDT	Special Weather Statement	GSP	Davie	23 min
Jul 17, 6:55 PM EDT	Special Weather Statement	GSP	Gaston	35 min
Jul 17, 7:09 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Henderson, McDowell, Polk, Rutherford	36 min
Jul 17, 7:16 PM EDT	Special Weather Statement	GSP	Polk	29 min
Jul 17, 7:39 PM EDT	Special Weather Statement	GSP	Burke	36 min
Jul 16, 8:26 PM EDT	Special Weather Statement	GSP	Oconee	34 min
Jul 16, 8:28 PM EDT	Special Weather Statement	GSP	Anderson	32 min
Jul 16, 8:53 PM EDT	Special Weather Statement	GSP	Greenville	37 min
Jul 16, 8:57 PM EDT	Special Weather Statement	GSP	Anderson	33 min
Jul 16, 9:18 PM EDT	Special Weather Statement	GSP	Oconee	27 min
Jul 16, 9:32 PM EDT	Special Weather Statement	GSP	Greenville	28 min
Jul 16, 10:00 PM EDT	Areal Flood Advisory	GSP	Greenville	2 hr
Jul 16, 10:45 PM EDT	Areal Flood Advisory	GSP	Greenville	2 hr
Jul 16, 11:59 PM EDT	Areal Flood Advisory	GSP	Greenville	61 min
Jul 17, 3:22 PM EDT	Special Weather Statement	GSP	Pickens	23 min
Jul 17, 7:33 PM EDT	Special Weather Statement	GSP	York	27 min
Jul 17, 4:08 PM EDT	Special Weather Statement	GSP	Habersham	37 min

Nearby

Special Weather Statements in North Carolina, 2017 Every special weather statement in 2017

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.