Alert archive / South Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Greenville-Spartanburg, SC

October 3, 2021Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Oct 3, 2021, 6:16 PM EDT for Pickens County, South Carolina. It was in force for 44 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
Oct 3, 2021, 6:16 PM EDT (22:16 UTC)
Expired
Oct 3, 2021, 7:00 PM EDT
In force
44 min
Issued by
NWS Greenville-Spartanburg, SC

County Pickens County, SC

The radar

The Greer radar (KGSP), 44 km from the middle of the area, began a volume at 22:17 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 12:00Z, 10.3 hours before the alert went out and 243 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, Peachtre/Fal Fld, GA at 12:00Z on 2021-10-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 146 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, Peachtre/Fal Fld, GA at 12:00Z on 2021-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.193958Sfc1 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
146 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
909 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
9 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 Oct 3, 5:53 PM EDT, 23 minutes earlier.

Area forecast discussion, Oct 3, 5:53 PM EDT, 23 minutes before
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Hazardous weather outlook, Oct 3, 4:26 AM EDT, 13 hours 50 minutes before
Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
426 AM EDT Sun Oct 3 2021

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-041100-
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-
426 AM EDT Sun Oct 3 2021

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

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

None.

JMP

In the hours before

Special weather statement, Oct 3, 3:36 PM EDT, 2 hours 40 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
336 PM EDT Sun Oct 3 2021

GAZ017-032000-
Habersham GA-
336 PM EDT Sun Oct 3 2021

...A THUNDERSTORM WITH FREQUENT LIGHTNING WILL IMPACT HABERSHAM
COUNTY UNTIL 400 PM EDT...

At 335 PM EDT, Doppler radar was tracking a thunderstorm with
frequent lightning 8 miles southeast of Cleveland, or 5 miles east
of Clermont, moving north at 15 mph.

Locations to be impacted include...
Clarkesville, Demorest, Alto, Baldwin, Cornelia, Raoul, Batesville,
Turnerville and Hollywood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent lightning is occurring with this storm. If outdoors, try to
get indoors or into a hard topped vehicle. Otherwise, stay away from
open areas and isolated high objects such as trees. When indoors,
stay away from windows and doors and avoid using wired electronic
devices. Do not take a shower or bath. Try to unplug unnecessary
appliances before the storm approaches.

&&

LAT...LON 3482 8365 3483 8360 3479 8356 3476 8356
      3474 8353 3473 8348 3475 8343 3473 8341
      3447 8357 3443 8362 3450 8367 3454 8362
      3460 8365 3462 8364 3465 8366 3468 8364
      3474 8362 3477 8363 3480 8368
TIME...MOT...LOC 1935Z 200DEG 12KT 3450 8368

KRENTZ
Special weather statement, Oct 3, 3:58 PM EDT, 2 hours 18 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
358 PM EDT Sun Oct 3 2021

GAZ010-017-032030-
Rabun GA-Habersham GA-
358 PM EDT Sun Oct 3 2021

...A THUNDERSTORM WITH FREQUENT LIGHTNING AND TORRENTIAL RAINFALL
WILL IMPACT NORTHEASTERN HABERSHAM AND RABUN COUNTIES UNTIL 430 PM
EDT...

At 358 PM EDT, Doppler radar was tracking a thunderstorm with
frequent lightning and torrential rainfall near Clayton, or near
Tiger, moving northeast at 15 mph.

Locations to be impacted include...
Clayton, Mountain City, Tiger, Dillard, Sky Valley, Tallulah Falls,
Lake Rabun, Lake Burton, Lakemont and Tallulah Gorge State Park.

Very heavy rainfall rates up to 2 inches per hour will be possible in
these areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent lightning is occurring with this storm. If outdoors, try to
get indoors or into a hard topped vehicle. Otherwise, stay away from
open areas and isolated high objects such as trees. When indoors,
stay away from windows and doors and avoid using wired electronic
devices. Do not take a shower or bath. Try to unplug unnecessary
appliances before the storm approaches.

&&

LAT...LON 3499 8346 3500 8327 3493 8314 3493 8316
      3492 8316 3489 8320 3488 8321 3488 8324
      3485 8325 3485 8327 3482 8327 3483 8329
      3482 8331 3481 8330 3479 8332 3476 8332
      3469 8341 3477 8362
TIME...MOT...LOC 1958Z 215DEG 13KT 3483 8341

KRENTZ
Special weather statement, Oct 3, 4:16 PM EDT, 2 hours before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
416 PM EDT Sun Oct 3 2021

GAZ017-018-032100-
Stephens GA-Habersham GA-
416 PM EDT Sun Oct 3 2021

...A THUNDERSTORM WITH FREQUENT LIGHTNING WILL IMPACT STEPHENS AND
CENTRAL HABERSHAM COUNTIES UNTIL 500 PM EDT...

At 416 PM EDT, Doppler radar was tracking a thunderstorm with
frequent lightning 6 miles southeast of Clarkesville, or 4 miles
northeast of Mount Airy, moving east at 25 mph.

Locations to be impacted include...
Toccoa, Clarkesville, Cornelia, Baldwin, Demorest, Mount Airy,
Martin, Avalon, Tallulah Falls and Tallulah Gorge State Park.

In addition to intense lightning, very heavy rainfall rates up to 2
inches per hour will be possible in these areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent lightning is occurring with this storm. If outdoors, try to
get indoors or into a hard topped vehicle. Otherwise, stay away from
open areas and isolated high objects such as trees. When indoors,
stay away from windows and doors and avoid using wired electronic
devices. Do not take a shower or bath. Try to unplug unnecessary
appliances before the storm approaches.

&&

LAT...LON 3464 8362 3473 8337 3472 8335 3468 8334
      3467 8331 3461 8323 3461 8316 3459 8317
      3459 8316 3458 8316 3454 8310 3448 8318
      3447 8338 3446 8340 3448 8347 3449 8353
      3448 8356
TIME...MOT...LOC 2016Z 254DEG 21KT 3455 8344

KRENTZ
Special weather statement, Oct 3, 5:01 PM EDT, 1 hour 15 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
501 PM EDT Sun Oct 3 2021

GAZ018-SCZ001-004-032130-
Stephens GA-Greater Oconee SC-Oconee Mountains SC-
501 PM EDT Sun Oct 3 2021

...A THUNDERSTORM WITH TORRENTIAL RAINFALL WILL IMPACT EASTERN
STEPHENS AND CENTRAL OCONEE COUNTIES UNTIL 530 PM EDT...

At 501 PM EDT, Doppler radar was tracking a thunderstorm with
torrential rainfall 7 miles northeast of Toccoa, or 7 miles southwest
of Westminster, moving northeast at 25 mph.

Locations to be impacted include...
Seneca, Walhalla, Westminster, Avalon, Lake Keowee and Oakway.

Very heavy rainfall rates up to 2 inches per hour will be possible in
these areas.

LAT...LON 3450 8322 3466 8334 3488 8301 3465 8284
TIME...MOT...LOC 2101Z 238DEG 21KT 3463 8321

KRENTZ
Special weather statement, Oct 3, 5:32 PM EDT, 44 minutes before
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Special weather statement, Oct 3, 6:16 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
Oct 3, 5:01 PM EDTSpecial Weather StatementGSPOconee29 min
Oct 3, 5:32 PM EDTSpecial Weather StatementGSPOconee, Pickens28 min
Oct 3, 7:19 PM EDTSpecial Weather StatementGSPGreenville26 min
Oct 3, 3:36 PM EDTSpecial Weather StatementGSPHabersham24 min
Oct 3, 3:58 PM EDTSpecial Weather StatementGSPRabun32 min
Oct 3, 4:16 PM EDTSpecial Weather StatementGSPHabersham, Stephens44 min

Nearby

Special Weather Statements in South 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.