Alert archive / North Carolina / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 285, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 3, 2020, 12:21 AM EDT for 5 counties in North Carolina. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 3, 2020, 12:21 AM EDT (04:21 UTC)
- Expired
- Aug 3, 2020, 1:15 AM EDT
- In force
- 54 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Burke County, NC, Catawba County, NC, Cleveland County, NC, Lincoln County, NC, Rutherford County, NC
The radar
The Greer radar (KGSP), 96 km from the middle of the area, began a volume at 04:22 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, 4.4 hours before the alert went out and 159 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
- 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
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 2, 9:58 PM EDT, 2 hours 23 minutes earlier.
Area forecast discussion, Aug 2, 9:58 PM EDT, 2 hours 23 minutes before
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</html>Hazardous weather outlook, Aug 2, 8:00 PM EDT, 4 hours 21 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, 11:10 PM EDT, 1 hour 11 minutes before
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</html>Special weather statement, Aug 3, 12:01 AM EDT, 20 minutes before
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</html>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, 12:23 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, 6:10 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
Severe Thunderstorm Warnings in North Carolina, 2020Every severe thunderstorm warning 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.