Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 10, 2021Buncombe County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 10, 2021, 6:36 PM EDT for Buncombe County, North Carolina. It was in force for 24 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 10, 2021, 6:36 PM EDT (22:36 UTC)
Expired
Jul 10, 2021, 7:00 PM EDT
In force
24 min
Issued by
NWS Greenville-Spartanburg, SC

County Buncombe County, NC

The radar

The Greer radar (KGSP), 85 km from the middle of the area, began a volume at 22:38 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, 10.6 hours before the alert went out and 225 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 2021-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -62 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1508 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-62 m²/s²
0-3 km storm-relative helicity
-26 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 10, 6:22 PM EDT, 14 minutes earlier.

Area forecast discussion, Jul 10, 6:22 PM EDT, 14 minutes before
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Hazardous weather outlook, Jul 10, 7:04 AM EDT, 11 hours 32 minutes before
Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
704 AM EDT Sat Jul 10 2021

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-111115-
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-
704 AM EDT Sat Jul 10 2021

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

.DAY ONE...Today and tonight.

Thunderstorms are expected to develop across the region this
afternoon. One or two of the thunderstorms will be strong to severe
with damaging wind gusts and large hail possible. Frequent lightning
and heavy downpours will also accompany any storms.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

None.

In the hours before

Special weather statement, Jul 10, 4:55 PM EDT, 1 hour 41 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
455 PM EDT Sat Jul 10 2021

GAZ029-102130-
Elbert GA-
455 PM EDT Sat Jul 10 2021

...A STRONG THUNDERSTORM WILL IMPACT ELBERT COUNTY UNTIL 530 PM
EDT...

At 455 PM EDT, Doppler radar was tracking a strong thunderstorm 6
miles northwest of Elberton, or 5 miles southeast of Bowman, moving
southeast at 20 mph.

Locations to be impacted include...
Elberton, Nancy Hart State Park, Middleton, Russell State Park, Lake
Russell, Dewy Rose, Fortsonia, Sweet City and Ruckersville.

Wind gusts up to 45 mph and dime size hail will be possible in these
areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Gusty winds can blow down trees that are dead, or that have weakened
root systems. Outdoor furniture and similar items can be tossed
around if not anchored. Seek shelter indoors.

Torrential rainfall may flood areas with poor drainage, such as
ditches and underpasses. Avoid these areas and do not cross flooded
roads. Water levels of small streams may also rise rapidly. Seek
higher ground if threatened by flood waters.

&&

LAT...LON 3399 8283 3398 8286 3401 8291 3401 8294
      3403 8294 3405 8299 3410 8304 3411 8303
      3413 8305 3422 8300 3421 8298 3424 8293
      3418 8273 3415 8272 3413 8268 3410 8266
      3398 8274 3397 8278
TIME...MOT...LOC 2055Z 297DEG 17KT 3414 8296

ARK
Special weather statement, Jul 10, 5:14 PM EDT, 1 hour 22 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
514 PM EDT Sat Jul 10 2021

NCZ052-053-064-065-102145-
Buncombe NC-Transylvania NC-Haywood NC-Henderson NC-
514 PM EDT Sat Jul 10 2021

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN TRANSYLVANIA...
NORTHWESTERN HENDERSON...SOUTHEASTERN HAYWOOD AND SOUTHWESTERN
BUNCOMBE COUNTIES UNTIL 545 PM EDT...

At 513 PM EDT, Doppler radar was tracking a strong thunderstorm 13
miles southwest of Downtown Asheville, or near B.R. Parkway-Mount
Pisgah To The Nc Arboretum, moving southeast at 15 mph.

Locations to be impacted include...
Arden, Mills River, Fletcher, Etowah, Mountain Home, Bent Creek, B.R.
Parkway-Mount Pisgah To The Nc Arboretum, Asheville Airport, Mount
Pisgah and Skyland.

Wind gusts up to 40 mph and pea size hail will be possible in these
areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Gusty winds can blow down trees that are dead, or that have weakened
root systems. Outdoor furniture and similar items can be tossed
around if not anchored. Seek shelter indoors.

&&

LAT...LON 3539 8283 3556 8274 3548 8242 3524 8255
TIME...MOT...LOC 2113Z 294DEG 12KT 3545 8271

ARK
Special weather statement, Jul 10, 5:30 PM EDT, 1 hour 6 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
530 PM EDT Sat Jul 10 2021

NCZ033-049-050-102200-
Yancey NC-Avery NC-Mitchell NC-
530 PM EDT Sat Jul 10 2021

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL MITCHELL...SOUTHWESTERN
AVERY AND NORTHEASTERN YANCEY COUNTIES UNTIL 600 PM EDT...

At 530 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles northeast of Burnsville, or 4 miles west of Bakersville, moving
east at 15 mph.

Locations to be impacted include...
Bakersville, Green Mountain, Buladean and Bandana.

Wind gusts up to 40 mph and half inch hail will be possible in these
areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Gusty winds can blow down trees that are dead, or that have weakened
root systems. Outdoor furniture and similar items can be tossed
around if not anchored. Seek shelter indoors.

&&

LAT...LON 3613 8202 3593 8204 3599 8232 3611 8230
      3612 8214 3611 8213 3611 8210 3610 8208
      3611 8206 3613 8205 3612 8203
TIME...MOT...LOC 2130Z 275DEG 12KT 3603 8223

ARK
Special weather statement, Jul 10, 5:52 PM EDT, 44 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
552 PM EDT Sat Jul 10 2021

NCZ049-053-505-102215-
Buncombe NC-McDowell Mountains NC-Yancey NC-
552 PM EDT Sat Jul 10 2021

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN MCDOWELL...
NORTHEASTERN BUNCOMBE AND SOUTHEASTERN YANCEY COUNTIES UNTIL 615 PM
EDT...

At 552 PM EDT, Doppler radar was tracking a strong thunderstorm 14
miles northeast of Downtown Asheville, or 4 miles north of Black
Mountain. This storm was nearly stationary.

Locations to be impacted include...
Black Mountain, B.R. Parkway-Craggy To Little Switzerland, Old Fort,
Mount Mitchell State Park, B.R. Parkway-East Asheville To Craggy
Gardens, Montreat and Busick.

Wind gusts up to 40 mph and pea size hail will be possible in these
areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall may flood areas with poor drainage, such as
ditches and underpasses. Avoid these areas and do not cross flooded
roads. Water levels of small streams may also rise rapidly. Seek
higher ground if threatened by flood waters.

&&

LAT...LON 3563 8241 3575 8238 3577 8214 3557 8221
TIME...MOT...LOC 2152Z 289DEG 2KT 3568 8232

ARK
Special weather statement, Jul 10, 6:06 PM EDT, 30 minutes before
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Special weather statement, Jul 10, 6:36 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
Jul 10, 4:29 PM EDTSpecial Weather StatementGSPHaywood, Madison31 min
Jul 10, 5:14 PM EDTSpecial Weather StatementGSPHenderson31 min
Jul 10, 5:30 PM EDTSpecial Weather StatementGSPMitchell30 min
Jul 10, 5:52 PM EDTSpecial Weather StatementGSPMcDowell23 min
Jul 10, 6:06 PM EDTSpecial Weather StatementGSPHenderson24 min
Jul 10, 6:37 PM EDTSpecial Weather StatementGSPHenderson23 min
Jul 10, 7:04 PM EDTSpecial Weather StatementGSPHenderson26 min
Jul 10, 3:48 PM EDTSpecial Weather StatementGSPOconee27 min
Jul 10, 2:52 PM EDTSpecial Weather StatementGSPFranklin, Stephens23 min
Jul 10, 3:19 PM EDTSpecial Weather StatementGSPRabun26 min
Jul 10, 4:55 PM EDTSpecial Weather StatementGSPElbert35 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.