Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 11, 2021Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 11, 2021, 7:28 PM EDT for Mecklenburg County, North Carolina. It was in force for 32 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
Aug 11, 2021, 7:28 PM EDT (23:28 UTC)
Expired
Aug 11, 2021, 8:00 PM EDT
In force
32 min
Issued by
NWS Greenville-Spartanburg, SC

County Mecklenburg County, NC

The radar

The Greer radar (KGSP), 139 km from the middle of the area, began a volume at 23:30 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, 11.5 hours before the alert went out and 122 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2021-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 653 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2021-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
653 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
1352 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
-21 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 Aug 11, 6:50 PM EDT, 38 minutes earlier.

Area forecast discussion, Aug 11, 6:50 PM EDT, 38 minutes before
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Hazardous weather outlook, Aug 11, 4:11 PM EDT, 3 hours 17 minutes before
Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
411 PM EDT Wed Aug 11 2021

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-122015-
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-
411 PM EDT Wed Aug 11 2021

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

.DAY ONE...Tonight.

Scattered thunderstorms will continue this afternoon into this
evening across portions of the forecast area. Some of these storms
could become strong to severe. Main impacts are cloud-to-ground
lightning, brief damaging wind gusts, and heavy downpours which may
lead to localized flash flooding.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

None.

In the hours before

Local storm report, Aug 11, 6:44 PM EDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
644 PM EDT WED AUG 11 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0500 PM     TSTM WND DMG     3 W FINGERVILLE         35.14N 82.06W
08/11/2021                   SPARTANBURG        SC   911 CALL CENTER

            911 CALL CENTER REPORTED TREE DOWN ON N PACOLET RD.

&&
Special weather statement, Aug 11, 6:47 PM EDT, 41 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
647 PM EDT Wed Aug 11 2021

NCZ057-072-112315-
Rowan NC-Cabarrus NC-
647 PM EDT Wed Aug 11 2021

...Strong thunderstorms will impact portions of central Cabarrus and
southeastern Rowan Counties through 715 PM EDT...

At 646 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 12 miles east of Salisbury to 11 miles east of
Kannapolis to 6 miles south of Downtown Concord. Movement was east at
15 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Downtown Concord, Rockwell, Mt Pleasant, Charlotte Motor Speedway,
High Rock Lake, West Concord, Harrisburg, Gold Hill and High Rock.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3550 8030 3524 8047 3536 8071 3548 8049
      3567 8032 3567 8031 3563 8029 3562 8025
      3558 8021 3555 8021 3551 8018
TIME...MOT...LOC 2246Z 282DEG 23KT 3561 8028 3544 8042 3532 8064

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

KRENTZ
Local storm report, Aug 11, 7:03 PM EDT, 25 minutes before
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Local storm report, Aug 11, 7:07 PM EDT, 21 minutes before
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Local storm report, Aug 11, 7:22 PM EDT, 6 minutes before
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Special weather statement, Aug 11, 7:28 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.

IssuedProductOfficeCountiesLasted
Aug 11, 12:28 PM EDTSpecial Weather StatementGSPHenderson47 min
Aug 11, 1:47 PM EDTSpecial Weather StatementGSPMcDowell28 min
Aug 11, 2:51 PM EDTSpecial Weather StatementGSPBurke24 min
Aug 11, 3:01 PM EDTSevere Thunderstorm WarningGSPBurke, Catawba44 min
Aug 11, 3:24 PM EDTSpecial Weather StatementGSPPolk36 min
Aug 11, 3:51 PM EDTSevere Thunderstorm WarningGSPBuncombe39 min
Aug 11, 3:53 PM EDTSevere Thunderstorm WarningGSPIredell52 min
Aug 11, 4:01 PM EDTSevere Thunderstorm WarningGSPPolk44 min
Aug 11, 4:03 PM EDTSevere Thunderstorm WarningGSPBurke, Cleveland, Lincoln, Rutherford42 min
Aug 11, 4:24 PM EDTSpecial Weather StatementGSPRutherford36 min
Aug 11, 4:31 PM EDTSpecial Weather StatementGSPIredell29 min
Aug 11, 4:40 PM EDTSevere Thunderstorm WarningGSPCatawba, Iredell50 min
Aug 11, 4:54 PM EDTSpecial Weather StatementGSPRutherford36 min
Aug 11, 5:02 PM EDTSpecial Weather StatementGSPIredell28 min
Aug 11, 5:08 PM EDTSevere Thunderstorm WarningGSPIredell, Rowan34 min
Aug 11, 5:17 PM EDTSevere Thunderstorm WarningGSPCleveland43 min
Aug 11, 5:34 PM EDTSevere Thunderstorm WarningGSPUnion27 min
Aug 11, 5:46 PM EDTSpecial Weather StatementGSPMecklenburg29 min
Aug 11, 5:57 PM EDTSpecial Weather StatementGSPMecklenburg33 min
Aug 11, 6:08 PM EDTSevere Thunderstorm WarningGSPMecklenburg10 min
Aug 11, 6:10 PM EDTSpecial Weather StatementGSPGaston35 min
Aug 11, 6:16 PM EDTSpecial Weather StatementGSPCabarrus29 min
Aug 11, 6:29 PM EDTSevere Thunderstorm WarningGSPCabarrus20 min
Aug 11, 6:47 PM EDTSpecial Weather StatementGSPCabarrus28 min
Aug 11, 6:59 PM EDTAreal Flood AdvisoryGSPCabarrus, Rowan2 hr
Aug 11, 7:31 PM EDTSevere Thunderstorm WarningGSPMecklenburg44 min
Aug 10, 8:01 PM EDTSpecial Weather StatementGSPAnderson29 min
Aug 10, 8:20 PM EDTSpecial Weather StatementGSPLaurens, Union25 min
Aug 10, 8:32 PM EDTSpecial Weather StatementGSPAnderson28 min
Aug 10, 8:45 PM EDTSpecial Weather StatementGSPLaurens30 min
Aug 10, 9:10 PM EDTSpecial Weather StatementGSPLaurens35 min
Aug 11, 3:28 PM EDTSpecial Weather StatementGSPGreenville32 min
Aug 11, 3:32 PM EDTSpecial Weather StatementGSPGreenville28 min
Aug 11, 3:37 PM EDTSpecial Weather StatementGSPGreenwood23 min
Aug 11, 3:41 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood49 min
Aug 11, 4:04 PM EDTSevere Thunderstorm WarningGSPGreenville41 min
Aug 11, 4:27 PM EDTSpecial Weather StatementGSPSpartanburg33 min
Aug 11, 4:35 PM EDTSpecial Weather StatementGSPAnderson25 min
Aug 11, 4:42 PM EDTSevere Thunderstorm WarningGSPAnderson48 min
Aug 11, 4:51 PM EDTSpecial Weather StatementGSPGreenville24 min
Aug 11, 4:54 PM EDTSevere Thunderstorm WarningGSPSpartanburg32 min
Aug 11, 4:59 PM EDTSevere Thunderstorm WarningGSPAnderson32 min
Aug 11, 5:14 PM EDTSevere Thunderstorm WarningGSPGreenwood46 min
Aug 11, 5:19 PM EDTSevere Thunderstorm WarningGSPAbbeville41 min
Aug 11, 5:33 PM EDTSpecial Weather StatementGSPAnderson27 min
Aug 11, 5:42 PM EDTSpecial Weather StatementGSPCherokee33 min
Aug 11, 6:09 PM EDTSpecial Weather StatementGSPCherokee36 min
Aug 11, 6:18 PM EDTSevere Thunderstorm WarningGSPCherokee25 min
Aug 10, 8:04 PM EDTSpecial Weather StatementGSPRabun26 min
Aug 11, 2:32 PM EDTSpecial Weather StatementGSPHabersham28 min
Aug 11, 3:47 PM EDTSevere Thunderstorm WarningGSPFranklin43 min
Aug 11, 4:11 PM EDTSevere Thunderstorm WarningGSPHart19 min
Aug 11, 4:28 PM EDTSpecial Weather StatementGSPElbert32 min
Aug 11, 4:38 PM EDTSevere Thunderstorm WarningGSPElbert52 min

Nearby

Special Weather Statements in North Carolina, 2021Every 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.