Alert archive / South Carolina / Special Weather Statements in 2018

Special Weather Statement, NWS Greenville-Spartanburg, SC

June 22, 2018Greenwood County, Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jun 22, 2018, 8:21 PM EDT for Greenwood County, Laurens County, South Carolina. It was in force for 54 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: Jun 22, 2018, 8:21 PM EDT (00:21 UTC)
Expired: Jun 22, 2018, 9:15 PM EDT
In force: 54 min
Issued by: NWS Greenville-Spartanburg, SC

Counties Greenwood County, SC, Laurens County, SC

The radar

The Greer radar (KGSP), 61 km from the middle of the area, began a volume at 00:25 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

Charleston AFB, SC (KCHS), launched 00:00Z, 0.4 hours before the alert went out and 244 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: 2283 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1043 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.9

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 Jun 22, 8:05 PM EDT, 16 minutes earlier.

Area forecast discussion, Jun 22, 8:05 PM EDT, 16 minutes before

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Hazardous weather outlook, Jun 22, 4:59 PM EDT, 3 hours 22 minutes before

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In the hours before

Special weather statement, Jun 22, 7:01 PM EDT, 1 hour 20 minutes before

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Special weather statement, Jun 22, 7:30 PM EDT, 51 minutes before

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Special weather statement, Jun 22, 7:40 PM EDT, 41 minutes before

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Special weather statement, Jun 22, 7:45 PM EDT, 36 minutes before

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Special weather statement, Jun 22, 8:02 PM EDT, 19 minutes before

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Special weather statement, Jun 22, 8:21 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
Jun 22, 9:15 PM EDT	Special Weather Statement	GSP	Cleveland, Gaston	45 min
Jun 22, 10:24 PM EDT	Special Weather Statement	GSP	Union	66 min
Jun 23, 3:04 PM EDT	Special Weather Statement	GSP	Graham	56 min
Jun 23, 3:14 PM EDT	Severe Thunderstorm Warning	GSP	Graham, Macon, Swain	61 min
Jun 23, 3:26 PM EDT	Special Weather Statement	GSP	Macon	64 min
Jun 23, 3:43 PM EDT	Severe Thunderstorm Warning	GSP	Macon	62 min
Jun 23, 4:06 PM EDT	Special Weather Statement	GSP	Haywood, Jackson, Swain	54 min
Jun 23, 4:22 PM EDT	Severe Thunderstorm Warning	GSP	Haywood, Jackson, Macon, Transylvania	53 min
Jun 23, 5:03 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood, Henderson, Polk, Transylvania	57 min
Jun 23, 5:08 PM EDT	Special Weather Statement	GSP	Buncombe, Haywood, Madison	37 min
Jun 23, 5:55 PM EDT	Special Weather Statement	GSP	Polk, Rutherford	65 min
Jun 22, 8:02 PM EDT	Special Weather Statement	GSP	Spartanburg	58 min
Jun 22, 8:29 PM EDT	Special Weather Statement	GSP	Greenwood	31 min
Jun 22, 8:35 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Spartanburg	40 min
Jun 22, 8:43 PM EDT	Special Weather Statement	GSP	Union	32 min
Jun 22, 8:53 PM EDT	Severe Thunderstorm Warning	GSP	Greenwood	37 min
Jun 22, 9:02 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Chester, Union, York	43 min
Jun 22, 9:29 PM EDT	Special Weather Statement	GSP	Chester, York	46 min
Jun 22, 9:57 PM EDT	Special Weather Statement	GSP	Chester	48 min
Jun 23, 4:29 PM EDT	Special Weather Statement	GSP	Greenwood	31 min
Jun 23, 4:31 PM EDT	Special Weather Statement	GSP	Abbeville	29 min
Jun 23, 6:14 PM EDT	Special Weather Statement	GSP	Union	46 min

Nearby

Special Weather Statements in South 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.