Alert archive / North Carolina / Special Weather Statements in 2021
Special Weather Statement, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 20, 2021, 7:21 PM EDT for Cleveland 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
- Aug 20, 2021, 7:21 PM EDT (23:21 UTC)
- Expired
- Aug 20, 2021, 7:45 PM EDT
- In force
- 24 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Hail
- 0.00 in
- Wind
- 40
County Cleveland County, NC
The radar
The Greer radar (KGSP), 94 km from the middle of the area, began a volume at 23:21 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, 11.4 hours before the alert went out and 158 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
- 651 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 941 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
676
WWUS82 KGSP 202321
SPSGSP
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
721 PM EDT Fri Aug 20 2021
NCZ056-068-069-504-202345-
Cleveland NC-Lincoln NC-Greater Burke NC-Catawba NC-
721 PM EDT Fri Aug 20 2021
...A strong thunderstorm will impact portions of southwestern
Catawba, western Lincoln, northwestern Cleveland and southeastern
Burke Counties through 745 PM EDT...
At 721 PM EDT, Doppler radar was tracking a strong thunderstorm 13
miles southeast of Morganton, or 5 miles east of South Mountains
State Park, moving south at 10 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Belwood, Lawndale, Fallston, Polkville, Casar, South Mountains State
Park, Pleasant Grove, Cooksville and Vale.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3542 8136 3542 8145 3541 8145 3539 8169
3564 8168 3566 8146
TIME...MOT...LOC 2321Z 352DEG 9KT 3558 8156
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
RWHThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 9:37 PM EDT | River Flood Advisory | GSP | Buncombe | 13 hr |
| Aug 20, 4:39 AM EDT | Special Weather Statement | GSP | Avery | 36 min |
| Aug 20, 4:44 AM EDT | Special Weather Statement | GSP | Graham | 46 min |
| Aug 20, 4:55 AM EDT | Special Weather Statement | GSP | Madison | 50 min |
| Aug 20, 5:34 AM EDT | Special Weather Statement | GSP | Avery | 41 min |
| Aug 20, 5:41 AM EDT | Special Weather Statement | GSP | Madison | 34 min |
| Aug 20, 6:25 AM EDT | Special Weather Statement | GSP | Madison | 50 min |
| Aug 20, 7:44 PM EDT | Special Weather Statement | GSP | Cleveland | 31 min |
| Aug 20, 4:44 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 46 min |
| Aug 20, 5:28 PM EDT | Special Weather Statement | GSP | Franklin, Hart | 32 min |
| Aug 20, 5:58 PM EDT | Special Weather Statement | GSP | Hart | 32 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.