Alert archive / South Carolina / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 30, NWS Charleston, SC

June 11, 20235 counties in South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jun 11, 2023, 4:30 PM EDT for 5 counties in South Carolina. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 11, 2023, 4:30 PM EDT (20:30 UTC)
Expired: Jun 11, 2023, 5:30 PM EDT
In force: 60 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Beaufort County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC, Jasper County, SC

The radar

The Charleston,SC radar (KCLX), 25 km from the middle of the area, began a volume at 20:33 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

Jacksonville, FL (KJAX), launched 12:00Z, 8.5 hours before the alert went out and 259 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: 796 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 903 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 4:06 PM EDT, 24 minutes earlier.

Area forecast discussion, Jun 11, 4:06 PM EDT, 24 minutes before

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Hazardous weather outlook, Jun 11, 3:33 PM EDT, 57 minutes before

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In the hours before

Special weather statement, Jun 11, 3:04 PM EDT, 1 hour 26 minutes before

Special Weather Statement
National Weather Service Charleston SC
304 PM EDT Sun Jun 11 2023

GAZ099-100-111930-
Bulloch-Candler-
304 PM EDT Sun Jun 11 2023

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BULLOCH AND CANDLER
COUNTIES...

At 304 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Stillmore, or 7 miles west of Metter, moving
northeast at 25 mph.

HAZARD...strong winds 45 to 55 mph, up to penny sized hail and
         excessive cloud to ground lightning.

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. All outdoor activities should cease. Move indoors
         immediately.

Some locations in the path of this storm include...
Metter and Aline.

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 3242 8220 3244 8219 3247 8218 3252 8215
      3256 8209 3254 8203 3259 8201 3243 8185
      3233 8221 3238 8224
TIME...MOT...LOC 1904Z 238DEG 21KT 3242 8219

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH

Special weather statement, Jun 11, 3:24 PM EDT, 1 hour 6 minutes before

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Special weather statement, Jun 11, 3:39 PM EDT, 51 minutes before

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Special weather statement, Jun 11, 3:46 PM EDT, 44 minutes before

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Special weather statement, Jun 11, 4:04 PM EDT, 26 minutes before

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Special weather statement, Jun 11, 4:22 PM EDT, 8 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 4:04 PM EDT	Special Weather Statement	CHS	Hampton	26 min
Jun 11, 4:22 PM EDT	Special Weather Statement	CHS	Hampton	38 min
Jun 11, 5:03 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Berkeley, Colleton, Dorchester, Jasper	57 min
Jun 11, 5:19 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Jasper	56 min
Jun 11, 5:28 PM EDT	Special Weather Statement	CHS	Clarendon	32 min
Jun 11, 5:38 PM EDT	Special Weather Statement	CHS	Berkeley	37 min
Jun 11, 5:45 PM EDT	Special Marine Warning	CHS		60 min
Jun 11, 6:00 PM EDT	Areal Flood Advisory	CHS	Jasper	90 min
Jun 11, 6:18 PM EDT	Special Marine Warning	CHS		87 min
Jun 11, 6:53 PM EDT	Special Marine Warning	CHS		67 min
Jun 11, 7:10 PM EDT	Special Marine Warning	CHS		65 min
Jun 11, 7:21 PM EDT	Special Marine Warning	CHS		114 min
Jun 11, 3:04 PM EDT	Special Weather Statement	CHS	Candler	26 min
Jun 11, 3:24 PM EDT	Special Weather Statement	CHS	Screven	36 min
Jun 11, 3:28 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Jenkins, Screven	33 min
Jun 11, 3:39 PM EDT	Special Weather Statement	CHS	Candler	36 min
Jun 11, 3:46 PM EDT	Special Weather Statement	CHS	Bulloch	29 min
Jun 11, 5:07 PM EDT	Special Weather Statement	CHS	Bryan	23 min
Jun 11, 6:20 PM EDT	Special Weather Statement	CHS	Bryan, Chatham, Liberty	25 min
Jun 11, 6:46 PM EDT	Special Weather Statement	CHS	Liberty	29 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2023 Every severe thunderstorm warning in 2023

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.