Alert archive / South Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Greenville-Spartanburg, SC

May 28, 20214 counties in South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at May 28, 2021, 10:30 PM EDT for 4 counties in South Carolina. It was in force for 30 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 28, 2021, 10:30 PM EDT (02:30 UTC)
Expired: May 28, 2021, 11:00 PM EDT
In force: 30 min
Issued by: NWS Greenville-Spartanburg, SC

Counties Abbeville County, SC, Greenwood County, SC, Laurens County, SC, Union County, SC

The radar

The Greer radar (KGSP), 55 km from the middle of the area, began a volume at 02:34 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, 2.5 hours before the alert went out and 256 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: 134 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 1483 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 124 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 28, 10:08 PM EDT, 22 minutes earlier.

Area forecast discussion, May 28, 10:08 PM EDT, 22 minutes before

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Hazardous weather outlook, May 28, 4:08 PM EDT, 6 hours 22 minutes before

Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
408 PM EDT Fri May 28 2021

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-292015-
Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Avery-Alexander-
Iredell-Davie-Madison-Yancey-Mitchell-Swain-Haywood-Buncombe-Catawba-
Rowan-Graham-Northern Jackson-Macon-Southern Jackson-Transylvania-
Henderson-Cleveland-Lincoln-Gaston-Mecklenburg-Cabarrus-Union NC-
Caldwell Mountains-Greater Caldwell-Burke Mountains-Greater Burke-
McDowell Mountains-Eastern McDowell-Rutherford Mountains-
Greater Rutherford-Polk Mountains-Eastern Polk-Oconee Mountains-
Pickens Mountains-Greenville Mountains-Greater Oconee-
Greater Pickens-Greater Greenville-Spartanburg-Cherokee-York-
Anderson-Abbeville-Laurens-Union SC-Chester-Greenwood-
408 PM EDT Fri May 28 2021

This Hazardous Weather Outlook is for northeast Georgia, piedmont
North Carolina, western North Carolina and upstate South Carolina.

.DAY ONE...Tonight.

Scattered thunderstorms are likely to continue this evening. The
main threats from these storms will be cloud-to-ground lightning and
strong to possibly damaging straight line winds.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information about
observed severe weather to the NWS while following all local, state,
and CDC guidelines.

MPR

In the hours before

Local storm report, May 28, 10:07 PM EDT, 23 minutes before

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Local storm report, May 28, 10:07 PM EDT, 23 minutes before

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Local storm report, May 28, 10:23 PM EDT, 7 minutes before

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Local storm report, May 28, 10:23 PM EDT, 7 minutes before

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Special weather statement, May 28, 10:24 PM EDT, 6 minutes before

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Special weather statement, May 28, 10:30 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 28, 10:49 PM EDT	Special Weather Statement	GSP	Cleveland, Gaston, Lincoln	26 min
May 28, 11:09 PM EDT	Special Weather Statement	GSP	Catawba, Cleveland, Gaston, Lincoln	36 min
May 28, 11:47 PM EDT	Special Weather Statement	GSP	Alexander, Catawba, Davie, Iredell, Lincoln	43 min
May 29, 2:45 PM EDT	Special Weather Statement	GSP	Catawba, Lincoln	45 min
May 29, 3:31 PM EDT	Special Weather Statement	GSP	Catawba, Cleveland, Iredell, Lincoln	44 min
May 29, 3:49 PM EDT	Special Weather Statement	GSP	Rowan	26 min
May 29, 3:53 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	37 min
May 28, 8:24 PM EDT	Special Weather Statement	GSP	Oconee	36 min
May 28, 8:46 PM EDT	Special Weather Statement	GSP	Oconee, Pickens	44 min
May 28, 8:54 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Oconee, Pickens	51 min
May 28, 9:28 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Pickens, Spartanburg	47 min
May 28, 9:42 PM EDT	Special Weather Statement	GSP	Anderson	33 min
May 28, 9:54 PM EDT	Special Weather Statement	GSP	Spartanburg	51 min
May 28, 10:04 PM EDT	Special Weather Statement	GSP	Abbeville, Laurens	41 min
May 28, 10:24 PM EDT	Special Weather Statement	GSP	Cherokee, Union	36 min
May 28, 8:05 PM EDT	Special Weather Statement	GSP	Habersham, Stephens	25 min
May 28, 8:08 PM EDT	Special Weather Statement	GSP	Rabun	37 min

Nearby

Special Weather Statements in South Carolina, 2021 Every special weather statement in 2021

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.