Alert archive / North Carolina / Special Weather Statements in 2020

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 3, 2020Polk County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 3, 2020, 12:39 AM EDT for Polk County, North Carolina. It was in force for 36 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 3, 2020, 12:39 AM EDT (04:39 UTC)
Expired: Aug 3, 2020, 1:15 AM EDT
In force: 36 min
Issued by: NWS Greenville-Spartanburg, SC

County Polk County, NC

The radar

The Greer radar (KGSP), 44 km from the middle of the area, began a volume at 04:38 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 00:00Z, 4.7 hours before the alert went out and 206 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: 971 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 1470 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 130 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 4.9

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 Aug 2, 9:58 PM EDT, 2 hours 41 minutes earlier.

Area forecast discussion, Aug 2, 9:58 PM EDT, 2 hours 41 minutes before

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Hazardous weather outlook, Aug 2, 8:00 PM EDT, 4 hours 39 minutes before

Hazardous Weather Outlook
National Weather Service Greenville-Spartanburg SC
800 PM EDT Sun Aug 2 2020

GAZ010-017-018-026-028-029-NCZ035>037-048-051>053-056>059-062>065-
068>072-082-507>510-SCZ001>014-019-040000-
Rabun-Habersham-Stephens-Franklin-Hart-Elbert-Alexander-Iredell-
Davie-Madison-Swain-Haywood-Buncombe-Catawba-Rowan-Graham-
Northern Jackson-Macon-Southern Jackson-Transylvania-Henderson-
Cleveland-Lincoln-Gaston-Mecklenburg-Cabarrus-Union NC-
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-
800 PM EDT Sun Aug 2 2020

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

.DAY ONE...Tonight.

Isolated thunderstorms will continue into the evening. A couple
storms may produce gusty winds, locally heavy rainfall, and cloud-
to-ground lightning.

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

Showers and thunderstorms will increase in coverage during the day
Monday, continuing to produce locally heavy rainfall. Isolated flash
flooding may occur late Monday. As Tropical Storm Isaias makes its
nearest pass to our region Monday night into early Tuesday, breezy
and occasionally gusty winds may develop. A few trees could fall in
areas where soils are saturated by the heavy rainfall. Isaias could
bring additional precipitation Monday night. Flooding may become an
increasing concern in areas that receive multiple rounds of heavy
rainfall.

.SPOTTER INFORMATION STATEMENT...

None.

NCZ033-049-050-501>506-040000-
Avery-Yancey-Mitchell-Caldwell Mountains-Greater Caldwell-
Burke Mountains-Greater Burke-McDowell Mountains-Eastern McDowell-
800 PM EDT Sun Aug 2 2020

...FLASH FLOOD WATCH IN EFFECT FROM 2 AM EDT MONDAY THROUGH TUESDAY
MORNING...

This Hazardous Weather Outlook is for western North Carolina.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

Isolated thunderstorms will continue into the evening. A couple
storms may produce gusty winds, locally heavy rainfall, and cloud-
to-ground lightning.

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

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

.SPOTTER INFORMATION STATEMENT...

None.

In the hours before

Special weather statement, Aug 2, 11:40 PM EDT, 59 minutes before

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Special weather statement, Aug 2, 11:56 PM EDT, 43 minutes before

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Special weather statement, Aug 3, 12:01 AM EDT, 38 minutes before

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Special weather statement, Aug 3, 12:02 AM EDT, 37 minutes before

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Special weather statement, Aug 3, 12:23 AM EDT, 16 minutes before

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Special weather statement, Aug 3, 12:39 AM EDT, 0 minutes before

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
1239 AM EDT Mon Aug 3 2020

NCZ508-510-SCZ007-008-030515-
Greater Rutherford NC-Eastern Polk NC-Cherokee SC-Spartanburg SC-
1239 AM EDT Mon Aug 3 2020

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL RUTHERFORD...
SOUTHEASTERN POLK...NORTHWESTERN SPARTANBURG AND NORTHWESTERN
CHEROKEE COUNTIES UNTIL 115 AM EDT...

At 1239 AM EDT, Doppler radar was tracking a strong thunderstorm 11
miles northwest of Spartanburg, or near Lake Bowen, moving northeast
at 20 mph.

Locations to be impacted include...
Rutherfordton, Boiling Springs SC, Inman, Chesnee, Campobello,
Cowpens National Battlefield, Lake Bowen, USC Upstate, Mayo and
Harris.

Wind gusts up to 40 mph and very heavy rainfall rates up to 2 inches
per hour 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 3522 8176 3518 8177 3518 8175 3496 8201
      3508 8218 3536 8197
TIME...MOT...LOC 0439Z 218DEG 19KT 3508 8205

HG

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 2, 11:10 PM EDT	Special Weather Statement	GSP	Rutherford	35 min
Aug 2, 11:28 PM EDT	Special Weather Statement	GSP	Iredell	32 min
Aug 2, 11:40 PM EDT	Special Weather Statement	GSP	Rutherford	35 min
Aug 2, 11:56 PM EDT	Special Weather Statement	GSP	Davie, Iredell	34 min
Aug 3, 12:01 AM EDT	Special Weather Statement	GSP	Cleveland	29 min
Aug 3, 12:02 AM EDT	Special Weather Statement	GSP	Iredell	28 min
Aug 3, 12:21 AM EDT	Severe Thunderstorm Warning	GSP	Burke, Catawba, Cleveland, Lincoln, Rutherford	54 min
Aug 3, 12:23 AM EDT	Special Weather Statement	GSP	Davie, Iredell	37 min
Aug 3, 12:36 AM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston, Lincoln	39 min
Aug 3, 12:52 AM EDT	Special Weather Statement	GSP	Davie	38 min
Aug 3, 1:07 AM EDT	Special Weather Statement	GSP	Iredell	38 min
Aug 3, 1:28 AM EDT	Special Weather Statement	GSP	Caldwell	32 min
Aug 3, 1:37 AM EDT	Special Weather Statement	GSP	Davie	38 min
Aug 3, 2:13 AM EDT	Special Weather Statement	GSP	Davie	32 min
Aug 3, 2:15 AM EDT	Special Weather Statement	GSP	Rutherford	30 min
Aug 3, 2:42 AM EDT	Areal Flood Advisory	GSP	Davie, Iredell, Rowan	3 hr
Aug 3, 2:57 AM EDT	Areal Flood Advisory	GSP	Polk, Rutherford	3 hr
Aug 3, 2:59 AM EDT	Special Weather Statement	GSP	McDowell	31 min
Aug 3, 4:28 AM EDT	Areal Flood Advisory	GSP	Catawba, Cleveland, Lincoln, Rutherford	3 hr
Aug 3, 6:10 AM EDT	Special Weather Statement	GSP	Macon	35 min
Aug 3, 6:23 AM EDT	Special Weather Statement	GSP	Swain	52 min
Aug 3, 6:50 AM EDT	Special Weather Statement	GSP	Graham	40 min
Aug 3, 7:26 AM EDT	Special Weather Statement	GSP	Madison	34 min
Aug 3, 7:56 AM EDT	Special Weather Statement	GSP	Madison	34 min
Aug 3, 8:21 AM EDT	Areal Flood Advisory	GSP	Madison	3 hr
Aug 3, 8:26 AM EDT	Areal Flood Advisory	GSP	Burke, Caldwell, McDowell, Mitchell	7 hr
Aug 3, 8:29 AM EDT	Special Weather Statement	GSP	Burke	46 min
Aug 3, 8:47 AM EDT	Flash Flood Warning	GSP	Madison	3 hr
Aug 3, 9:11 AM EDT	Flash Flood Warning	GSP	Burke, McDowell, Rutherford	3 hr
Aug 3, 9:23 AM EDT	Areal Flood Advisory	GSP	Jackson, Swain	3 hr
Aug 3, 9:37 AM EDT	Areal Flood Advisory	GSP	Caldwell	3 hr
Aug 3, 11:56 AM EDT	Special Weather Statement	GSP	Henderson	34 min
Aug 3, 2:04 PM EDT	Special Weather Statement	GSP	Gaston, Iredell, Lincoln	56 min
Aug 3, 2:44 PM EDT	Special Weather Statement	GSP	Cleveland	46 min
Aug 2, 8:01 PM EDT	Special Weather Statement	GSP	Abbeville	14 min
Aug 2, 10:42 PM EDT	Special Weather Statement	GSP	Greenville, Spartanburg	48 min
Aug 3, 1:51 PM EDT	Special Weather Statement	GSP	Greenville	54 min
Aug 3, 4:08 PM EDT	Special Weather Statement	GSP	Oconee	22 min
Aug 3, 4:32 PM EDT	Special Weather Statement	GSP	Oconee	28 min
Aug 3, 5:19 PM EDT	Special Weather Statement	GSP	Anderson	41 min
Aug 3, 5:32 PM EDT	Areal Flood Advisory	GSP	Anderson, Pickens	4 hr
Aug 3, 7:54 PM EDT	Areal Flood Advisory	GSP	Greenwood	4 hr
Aug 3, 2:08 PM EDT	Special Weather Statement	GSP	Rabun	37 min
Aug 3, 3:01 PM EDT	Special Weather Statement	GSP	Habersham	29 min
Aug 3, 3:44 PM EDT	Special Weather Statement	GSP	Franklin	31 min
Aug 3, 4:19 PM EDT	Special Weather Statement	GSP	Franklin	26 min
Aug 3, 4:48 PM EDT	Special Weather Statement	GSP	Hart	27 min
Aug 3, 6:21 PM EDT	Areal Flood Advisory	GSP	Elbert	3 hr

Nearby

Special Weather Statements in North Carolina, 2020 Every special weather statement in 2020

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.