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 May 10, 2021, 4:21 PM EDT for Polk 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
- May 10, 2021, 4:21 PM EDT (20:21 UTC)
- Expired
- May 10, 2021, 4:45 PM EDT
- In force
- 24 min
- Issued by
- NWS Greenville-Spartanburg, SC
County Polk County, NC
The radar
The Greer radar (KGSP), 47 km from the middle of the area, began a volume at 20:24 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, 8.4 hours before the alert went out and 204 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
- 28 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1031 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 196 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
206
WWUS82 KGSP 102021
SPSGSP
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
421 PM EDT Mon May 10 2021
NCZ508-510-SCZ007-102045-
Greater Rutherford NC-Eastern Polk NC-Spartanburg SC-
421 PM EDT Mon May 10 2021
...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN RUTHERFORD...
SOUTHEASTERN POLK AND NORTHEASTERN SPARTANBURG COUNTIES UNTIL 445 PM
EDT...
At 421 PM EDT, Doppler radar was tracking a strong thunderstorm 10
miles south of Rutherfordton, or 8 miles northeast of Lake Bowen,
moving east at 10 mph.
Locations to be impacted include...
Mayo, Chesnee, Lake Bowen, Cliffside, Henrietta, Green Creek, Harris,
Fingerville and Caroleen.
Wind gusts up to 45 mph and pea size hail 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.
&&
LAT...LON 3529 8174 3518 8178 3518 8187 3507 8181
3503 8183 3514 8211 3531 8205
TIME...MOT...LOC 2021Z 286DEG 9KT 3521 8200
$$
RWHThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 12:19 AM EDT | Special Weather Statement | GSP | Haywood, Swain | 56 min |
| May 10, 6:00 PM EDT | Special Weather Statement | GSP | Mecklenburg | 30 min |
| May 10, 6:27 PM EDT | Special Weather Statement | GSP | Mecklenburg | 33 min |
| May 10, 6:34 PM EDT | Special Weather Statement | GSP | Iredell | 26 min |
| May 10, 6:45 PM EDT | Severe Thunderstorm Warning | GSP | Iredell, Rowan | 45 min |
| May 10, 7:23 PM EDT | Severe Thunderstorm Warning | GSP | Rowan | 52 min |
| May 10, 7:32 PM EDT | Special Weather Statement | GSP | Iredell | 28 min |
| May 10, 4:42 PM EDT | Special Weather Statement | GSP | Cherokee | 33 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.