Alert archive / South Carolina / Special Weather Statements in 2021
Special Weather Statement, NWS Wilmington, NC
NWS Wilmington, NC issued this special weather statement at Aug 1, 2021, 9:07 PM EDT for Williamsburg County, South Carolina. It was in force for 53 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 1, 2021, 9:07 PM EDT (01:07 UTC)
- Expired
- Aug 1, 2021, 10:00 PM EDT
- In force
- 53 min
- Issued by
- NWS Wilmington, NC
County Williamsburg County, SC
The radar
The Wilmington radar (KLTX), 112 km from the middle of the area, began a volume at 01:11 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
Charleston AFB, SC (KCHS), launched 00:00Z, 1.1 hours before the alert went out and 95 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
- 2097 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1417 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
500
WWUS82 KILM 020107
SPSILM
Special Weather Statement
National Weather Service Wilmington NC
907 PM EDT Sun Aug 1 2021
SCZ032-033-039-054>056-058-020200-
Marion SC-Coastal Georgetown SC-Williamsburg SC-Florence SC-
Coastal Horry SC-Inland Georgetown SC-Central Horry SC-
907 PM EDT Sun Aug 1 2021
...SPECIAL WEATHER STATEMENT FOR SOUTHEASTERN FLORENCE...NORTHEASTERN
GEORGETOWN...SOUTHERN HORRY...SOUTH CENTRAL MARION AND WILLIAMSBURG
COUNTIES UNTIL 1000 PM EDT...
At 904 PM EDT, Doppler radar was tracking a line of strong
thunderstorm from 5 miles north of Kingstree to Socastee, moving
east at 35 mph.
Winds in excess of 40 mph, frequent lightning, and very heavy rain
will be possible with these storm. Some ponding of water is possible
in low-lying and poorly drained areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Thunderstorms can pose a variety of threats including gusty winds,
small hail, cloud to ground lightning, and localized flooding. It is
recommended that you remain indoors until the storm passes.
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 3355 8007 3372 7998 3377 8000 3385 7990
3382 7868 3370 7888 3347 7910
TIME...MOT...LOC 0104Z 268DEG 31KT 3369 7903
$$
HAWKINSThe office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 8:04 PM EDT | Special Marine Warning | ILM | 41 min | |
| Aug 1, 8:47 PM EDT | Special Weather Statement | ILM | Columbus | 28 min |
| Aug 1, 9:13 PM EDT | Special Weather Statement | ILM | Brunswick | 47 min |
| Aug 1, 9:18 PM EDT | Special Marine Warning | ILM | 57 min | |
| Aug 1, 9:41 PM EDT | Special Marine Warning | ILM | 34 min | |
| Aug 1, 10:13 PM EDT | Special Marine Warning | ILM | 47 min | |
| Aug 1, 10:49 PM EDT | Special Marine Warning | ILM | 23 min | |
| Aug 1, 10:53 PM EDT | Special Marine Warning | ILM | 67 min | |
| Aug 2, 3:45 PM EDT | Areal Flood Advisory | ILM | New Hanover | 58 min |
| Aug 1, 9:33 PM EDT | Areal Flood Advisory | ILM | Georgetown, Horry, Marion, Williamsburg | 87 min |
| Aug 1, 10:10 PM EDT | Special Weather Statement | ILM | Georgetown, Williamsburg | 50 min |
Nearby
Special Weather Statements in South 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.