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, 7:37 PM EDT for Charleston County, South Carolina. It was in force for 23 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, 7:37 PM EDT (23:37 UTC)
Expired
Jun 15, 2021, 8:00 PM EDT
In force
23 min
Issued by
NWS Charleston, SC
Hail
0.75 in
Wind
55

County Charleston County, SC

The radar

The Charleston,SC radar (KCLX), 76 km from the middle of the area, began a volume at 23:38 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, 11.6 hours before the alert went out and 44 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-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 2021-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1323 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2021-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 15, 7:11 PM EDT, 26 minutes earlier.

Area forecast discussion, Jun 15, 7:11 PM EDT, 26 minutes before
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Hazardous weather outlook, Jun 15, 7:06 PM EDT, 31 minutes before
Hazardous Weather Outlook
National Weather Service Charleston SC
706 PM EDT Tue Jun 15 2021

AMZ352-354-374-GAZ087-088-099>101-114>119-137>141-SCZ040-042-047-048-
051-162315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans-
Inland Bryan-Coastal Bryan-Inland Chatham-Coastal Chatham-Long-
Inland Liberty-Coastal Liberty-Inland McIntosh-Coastal McIntosh-
Allendale-Hampton-Inland Jasper-Beaufort-Coastal Jasper-
706 PM EDT Tue Jun 15 2021

This Hazardous Weather Outlook is for Atlantic coastal waters,
southeast Georgia and southeast South Carolina.

.DAY ONE...Tonight.

There is a low probability for widespread hazardous weather.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter assistance is not anticipated at this time.

AMZ330-350-SCZ043>045-049-050-052-162315-
Charleston Harbor-
Waters from South Santee River to Edisto Beach SC out 20 NM-
Inland Colleton-Dorchester-Inland Berkeley-Coastal Colleton-
Charleston-Tidal Berkeley-
706 PM EDT Tue Jun 15 2021

...SEVERE THUNDERSTORM WATCH 274 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for Atlantic coastal waters and
southeast South Carolina.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Please relay any reports of hazardous weather including, but not
limited to large hail, damaging winds and flooding to the National
Weather Service in Charleston at 1-888-383-2024.

In the hours before

Special weather statement, Jun 15, 5:44 PM EDT, 1 hour 53 minutes before
Special Weather Statement
National Weather Service Charleston SC
544 PM EDT Tue Jun 15 2021

SCZ045-050-052-152215-
Inland Berkeley-Tidal Berkeley-Charleston-
544 PM EDT Tue Jun 15 2021

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

At 543 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Cainhoy, or near Daniel Island, moving east
at 25 mph.

HAZARD...strong winds 45 to 55 mph and up to penny 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, Goose Creek, Hanahan, Daniel
Island, Isle Of Palms, Sullivan's Island and Awendaw.

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 3288 7955 3275 7981 3290 7997 3304 7985
      3295 7952
TIME...MOT...LOC 2143Z 287DEG 24KT 3290 7985

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

ETM
Local storm report, Jun 15, 5:48 PM EDT, 1 hour 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
548 PM EDT TUE JUN 15 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0452 PM     HAIL             4 NE JEDBURG            33.11N  80.20W
06/15/2021  E0.75 INCH       BERKELEY           SC   BROADCAST MEDIA

            THE MEDIA RELAYED PICTURES SHOWING PENNY SIZE HAIL
            ALONG NEW HOPE DRIVE.

&&

EVENT NUMBER CHS2100247

DPB
Local storm report, Jun 15, 5:54 PM EDT, 1 hour 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
554 PM EDT TUE JUN 15 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0450 PM     HAIL             6 NNE JEDBURG           33.13N  80.21W
06/15/2021  M1.25 INCH       BERKELEY           SC   PUBLIC

            THE PUBLIC MEASURED HAIL THE SIZE OF A HALF DOLLAR
            COIN.

&&

EVENT NUMBER CHS2100248

DPB
Special weather statement, Jun 15, 7:09 PM EDT, 28 minutes before
Special Weather Statement
National Weather Service Charleston SC
709 PM EDT Tue Jun 15 2021

GAZ101-SCZ047-051-152345-
Effingham-Inland Jasper-Coastal Jasper-
709 PM EDT Tue Jun 15 2021

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF EFFINGHAM AND JASPER
COUNTIES...

At 709 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Rincon, or 7 miles southeast of Springfield,
moving east at 25 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...
Springfield, Rincon, Hardeeville, Purysburgh, Ebenezer and Stillwell.

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 3239 8130 3238 8096 3231 8097 3230 8100
      3226 8099 3224 8102 3220 8100 3218 8100
      3222 8114 3223 8115 3227 8131
TIME...MOT...LOC 2309Z 285DEG 20KT 3231 8121

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

ETM
Special weather statement, Jun 15, 7:15 PM EDT, 22 minutes before
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Special weather statement, Jun 15, 7:37 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 2:54 AM EDTSmall Craft AdvisoryCHS28 hr
Jun 15, 4:27 PM EDTSpecial Weather StatementCHSBerkeley33 min
Jun 15, 4:37 PM EDTSevere Thunderstorm WarningCHSBerkeley, Dorchester38 min
Jun 15, 5:13 PM EDTSpecial Weather StatementCHSCharleston32 min
Jun 15, 5:44 PM EDTSpecial Weather StatementCHSCharleston31 min
Jun 15, 5:52 PM EDTSpecial Marine WarningCHS68 min
Jun 15, 6:27 PM EDTSpecial Marine WarningCHS63 min
Jun 15, 6:57 PM EDTSpecial Marine WarningCHS33 min
Jun 15, 7:00 PM EDTSevere Thunderstorm WarningCHSBerkeley45 min
Jun 15, 7:09 PM EDTSpecial Weather StatementCHSJasper36 min
Jun 15, 7:15 PM EDTSpecial Weather StatementCHSAllendale30 min
Jun 15, 7:26 PM EDTSpecial Marine WarningCHS64 min
Jun 15, 7:42 PM EDTSpecial Marine WarningCHS2 hr
Jun 15, 7:43 PM EDTSpecial Weather StatementCHSCharleston32 min
Jun 15, 7:44 PM EDTSpecial Marine WarningCHS46 min
Jun 15, 7:46 PM EDTSevere Thunderstorm WarningCHSBerkeley, Charleston59 min
Jun 15, 7:54 PM EDTSpecial Weather StatementCHSBerkeley36 min
Jun 15, 7:58 PM EDTAreal Flood AdvisoryCHSCharleston3 hr

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.