Alert archive / North Carolina / Special Weather Statements in 2020
Special Weather Statement, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 3, 2020, 6:10 AM EDT for Macon County, North Carolina. It was in force for 35 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, 6:10 AM EDT (10:10 UTC)
- Expired
- Aug 3, 2020, 6:45 AM EDT
- In force
- 35 min
- Issued by
- NWS Greenville-Spartanburg, SC
County Macon County, NC
The radar
The Knoxville radar (KMRX), 98 km from the middle of the area, began a volume at 10:12 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 00:00Z, 10.2 hours before the alert went out and 230 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.
- Mixed-layer CAPE
- 575 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1788 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted.
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</html>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 3, 3:47 AM EDT, 2 hours 23 minutes earlier.
Area forecast discussion, Aug 3, 3:47 AM EDT, 2 hours 23 minutes before
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</html>Hazardous weather outlook, Aug 3, 4:08 AM EDT, 2 hours 2 minutes before
Hazardous Weather Outlook National Weather Service Greenville-Spartanburg SC 408 AM EDT Mon Aug 3 2020 GAZ010-017-018-026-028-029-NCZ035>037-048-051>053-056>059-062>065- 068>072-082-507>510-SCZ001>014-019-040815- 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- 408 AM EDT Mon Aug 3 2020 This Hazardous Weather Outlook is for northeast Georgia, Piedmont North Carolina, western North Carolina, and Upstate South Carolina. .DAY ONE...Today and tonight. Showers and thunderstorms will increase in coverage through the day today, continuing to produce locally heavy rainfall. Isolated flash flooding may occur where storms repeatedly affect the same location. The thunderstorms will also produce dangerous cloud-to-ground lightning and gusty winds. A few damaging wind gusts will be possible with the strongest storms. As Tropical Storm Isaias makes its nearest pass to our region tonight, breezy and occasionally gusty winds may develop. A few trees could fall in areas where soils are saturated by the recent heavy rainfall. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotters should relay any reports of flooding to the National Weather Service. NCZ033-049-050-501>506-040815- Avery-Yancey-Mitchell-Caldwell Mountains-Greater Caldwell- Burke Mountains-Greater Burke-McDowell Mountains-Eastern McDowell- 408 AM EDT Mon Aug 3 2020 ...FLASH FLOOD WATCH IN EFFECT THROUGH TUESDAY MORNING... This Hazardous Weather Outlook is for the northern mountains and adjacent foothills of western North Carolina. .DAY ONE...Today and 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. Showers and thunderstorms will increase in coverage through the day today. In addition to the heavy rainfall mentioned in the Flash Flood Watch, the thunderstorms will also produce dangerous cloud-to- ground lightning and gusty winds. A few damaging wind gusts will be possible with the strongest storms. As Tropical Storm Isaias makes its nearest pass to our region tonight, breezy and occasionally gusty winds may develop. A few trees could fall in areas where soils are saturated by the recent heavy rainfall. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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... Spotters should relay any reports of flooding to the National Weather Service. HG
In the hours before
Special weather statement, Aug 3, 1:37 AM EDT, 4 hours 33 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
137 AM EDT Mon Aug 3 2020
NCZ036-037-030615-
Davie NC-Iredell NC-
137 AM EDT Mon Aug 3 2020
...A STRONG THUNDERSTORM WITH INTENSE LIGHTNING WILL IMPACT
NORTHWESTERN DAVIE AND NORTHEASTERN IREDELL COUNTIES UNTIL 215 AM
EDT...
At 137 AM EDT, Doppler radar was tracking a strong thunderstorm with
intense lightning 9 miles northwest of Mocksville, or near Harmony,
moving northeast at 20 mph.
Locations to be impacted include...
Harmony, Turnersburg, Olin, Sheffield, Farmington, Cool Springs and
Union Grove.
In addition to intense lightning, 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.
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 3584 8065 3584 8067 3586 8067 3586 8069
3584 8071 3588 8087 3605 8085 3605 8050
3604 8049 3606 8047 3606 8046
TIME...MOT...LOC 0537Z 207DEG 18KT 3595 8071
HGSpecial weather statement, Aug 3, 2:13 AM EDT, 3 hours 57 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
213 AM EDT Mon Aug 3 2020
NCZ036-037-030645-
Davie NC-Iredell NC-
213 AM EDT Mon Aug 3 2020
...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN DAVIE AND
NORTHEASTERN IREDELL COUNTIES UNTIL 245 AM EDT...
At 213 AM EDT, Doppler radar was tracking a strong thunderstorm 9
miles south of Yadkinville, or 5 miles southeast of Lone Hickory,
moving northeast at 35 mph.
Locations to be impacted include...
Harmony, Farmington and Sheffield.
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 3606 8046 3605 8046 3585 8063 3593 8082
3605 8079 3605 8050 3604 8049 3605 8047
3606 8047
TIME...MOT...LOC 0613Z 211DEG 30KT 3600 8068
HGSpecial weather statement, Aug 3, 2:15 AM EDT, 3 hours 55 minutes before
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</html>Special weather statement, Aug 3, 2:59 AM EDT, 3 hours 11 minutes before
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</html>Special weather statement, Aug 3, 2:59 AM EDT, 3 hours 11 minutes before
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</html>Special weather statement, Aug 3, 6:10 AM EDT, 0 minutes before
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
610 AM EDT Mon Aug 3 2020
NCZ051-062-031045-
Swain NC-Macon NC-
610 AM EDT Mon Aug 3 2020
...A THUNDERSTORM WITH TORRENTIAL RAINFALL WILL IMPACT NORTHWESTERN
MACON AND SOUTH CENTRAL SWAIN COUNTIES UNTIL 645 AM EDT...
At 610 AM EDT, Doppler radar was tracking a thunderstorm with
torrential rainfall 10 miles east of Robbinsville, or 5 miles north
of Nantahala Lake, moving northeast at 20 mph.
Locations to be impacted include...
Bryson City, Nantahala Lake, Smoky Mountains-Deep Creek, Luada,
Wesser, Almond, Kyle, Nantahala, Alarka and Aquone.
Very heavy rainfall rates up to 2 inches per hour will be possible in
these areas.
LAT...LON 3523 8369 3525 8370 3528 8368 3530 8370
3532 8369 3534 8362 3537 8359 3541 8358
3547 8349 3536 8333 3533 8334 3515 8362
3522 8371
TIME...MOT...LOC 1010Z 224DEG 17KT 3527 8364
CSHThe 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, 12:39 AM EDT | Special Weather Statement | GSP | Polk | 36 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, 6:23 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, 2020Every 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.