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 21, 2021, 9:22 PM EDT for Catawba County, North Carolina. It was in force for 38 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 21, 2021, 9:22 PM EDT (01:22 UTC)
- Expired
- Aug 21, 2021, 10:00 PM EDT
- In force
- 38 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Hail
- 0.25 in
- Wind
- 40
County Catawba County, NC
The radar
The Greer radar (KGSP), 121 km from the middle of the area, began a volume at 01:23 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, 1.4 hours before the alert went out and 136 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
- 1078 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1459 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted.
159
WWUS82 KGSP 220122
SPSGSP
Special Weather Statement
National Weather Service Greenville-Spartanburg SC
922 PM EDT Sat Aug 21 2021
NCZ056-069-502-504-220200-
Lincoln NC-Greater Burke NC-Greater Caldwell NC-Catawba NC-
922 PM EDT Sat Aug 21 2021
...A strong thunderstorm will impact portions of western Catawba,
north central Lincoln, southeastern Caldwell and southeastern Burke
Counties through 1000 PM EDT...
At 921 PM EDT, Doppler radar was tracking a strong thunderstorm 7
miles west of Hickory, or near Hildebran, moving southeast at 10 mph.
HAZARD...Winds in excess of 40 mph and small hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Hickory, Newton, St. Stephens, Conover, Longview, Sawmills, Granite
Falls, Icard, Hildebran and Connelly Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3576 8113 3548 8131 3567 8159 3583 8150
TIME...MOT...LOC 0121Z 294DEG 8KT 3570 8145
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
$$
JPTThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 11:27 PM EDT | Areal Flood Advisory | GSP | Mecklenburg | 74 min |
| Aug 22, 7:46 PM EDT | Special Weather Statement | GSP | Mecklenburg | 44 min |
| Aug 21, 8:09 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, Chester, Union | 51 min |
| Aug 21, 9:01 PM EDT | Special Weather Statement | GSP | Chester | 44 min |
| Aug 21, 9:48 PM EDT | Special Weather Statement | GSP | Lancaster | 27 min |
| Aug 22, 2:15 AM EDT | Special Weather Statement | GSP | Cherokee | 60 min |
| Aug 22, 2:35 AM EDT | Areal Flood Advisory | GSP | Cherokee | 97 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.