Alert archive / South Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Charleston, SC

June 15, 2021Charleston County, South Carolina

NWS Charleston, SC issued this special weather statement at Jun 15, 2021, 5:13 PM EDT for Charleston County, South Carolina. It was in force for 32 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: Jun 15, 2021, 5:13 PM EDT (21:13 UTC)
Expired: Jun 15, 2021, 5:45 PM EDT
In force: 32 min
Issued by: NWS Charleston, SC
Hail: 0.88 in
Wind: 55

County Charleston County, SC

The radar

The Charleston,SC radar (KCLX), 106 km from the middle of the area, began a volume at 21:13 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 12:00Z, 9.2 hours before the alert went out and 13 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1323 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 1170 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

728 
WWUS82 KCHS 152113
SPSCHS

Special Weather Statement
National Weather Service Charleston SC
513 PM EDT Tue Jun 15 2021

SCZ045-050-052-152145-
Inland Berkeley-Tidal Berkeley-Charleston-
513 PM EDT Tue Jun 15 2021

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF CHARLESTON AND
BERKELEY COUNTIES...

At 513 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Crowfield Plantation, or near Goose Creek,
moving southeast at 30 mph.

HAZARD...strong winds 45 to 55 mph and up to nickel sized hail.

SOURCE...Radar Indicated.

IMPACT...Expect minor damage to tree limbs and blowing around of 
         light, unsecured objects. Minor hail damage to plants, 
         trees and crops is possible. Damage to windshields is 
         unlikely.

Some locations in the path of this storm include...
North Charleston, Mount Pleasant, Summerville, Goose Creek, Hanahan,
Naval Weapons Station Charleston, Ladson and Daniel Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so. You can also email your
report to nws.charlestonsc@noaa.gov.

&&

LAT...LON 3305 8017 3315 8007 3302 7969 3282 7988
TIME...MOT...LOC 2113Z 300DEG 26KT 3303 8003 

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH

$$

ETM

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 15, 2:54 AM EDT	Small Craft Advisory	CHS		28 hr
Jun 15, 4:27 PM EDT	Special Weather Statement	CHS	Berkeley	33 min
Jun 15, 4:37 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Dorchester	38 min
Jun 15, 5:44 PM EDT	Special Weather Statement	CHS	Charleston	31 min
Jun 15, 5:52 PM EDT	Special Marine Warning	CHS		68 min
Jun 15, 6:27 PM EDT	Special Marine Warning	CHS		63 min
Jun 15, 6:57 PM EDT	Special Marine Warning	CHS		33 min
Jun 15, 7:00 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	45 min
Jun 15, 7:09 PM EDT	Special Weather Statement	CHS	Jasper	36 min
Jun 15, 7:15 PM EDT	Special Weather Statement	CHS	Allendale	30 min
Jun 15, 7:26 PM EDT	Special Marine Warning	CHS		64 min
Jun 15, 7:37 PM EDT	Special Weather Statement	CHS	Charleston	23 min
Jun 15, 7:42 PM EDT	Special Marine Warning	CHS		2 hr
Jun 15, 7:43 PM EDT	Special Weather Statement	CHS	Charleston	32 min
Jun 15, 7:44 PM EDT	Special Marine Warning	CHS		46 min
Jun 15, 7:46 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston	59 min
Jun 15, 7:54 PM EDT	Special Weather Statement	CHS	Berkeley	36 min
Jun 15, 7:58 PM EDT	Areal Flood Advisory	CHS	Charleston	3 hr

Nearby

Special Weather Statements in South Carolina, 2021 Every 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.