Alert archive / South Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Charleston, SC

June 15, 2021Berkeley County, South Carolina

NWS Charleston, SC issued this special weather statement at Jun 15, 2021, 8:16 PM EDT for Berkeley County, South Carolina. It was in force for 29 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, 8:16 PM EDT (00:16 UTC)
Expired: Jun 15, 2021, 8:45 PM EDT
In force: 29 min
Issued by: NWS Charleston, SC
Hail: 0.88 in
Wind: 55

County Berkeley County, SC

The radar

The Wilmington radar (KLTX), 135 km from the middle of the area, began a volume at 00:15 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, 0.3 hours before the alert went out and 56 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: 1364 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1817 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 3.6

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, 1 hour 5 minutes earlier.

Area forecast discussion, Jun 15, 7:11 PM EDT, 1 hour 5 minutes before

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Hazardous weather outlook, Jun 15, 7:06 PM EDT, 1 hour 10 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, 7:15 PM EDT, 1 hour 1 minute before

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Special weather statement, Jun 15, 7:37 PM EDT, 39 minutes before

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Special weather statement, Jun 15, 7:43 PM EDT, 33 minutes before

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Special weather statement, Jun 15, 7:54 PM EDT, 22 minutes before

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Local storm report, Jun 15, 7:58 PM EDT, 18 minutes before

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Special weather statement, Jun 15, 8:16 PM EDT, 0 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 15, 8:02 PM EDT	Severe Thunderstorm Warning	CHS	Charleston, Colleton	37 min
Jun 15, 8:21 PM EDT	Special Marine Warning	CHS		114 min
Jun 15, 8:43 PM EDT	Special Weather Statement	CHS	Dorchester	32 min
Jun 15, 9:42 PM EDT	Special Marine Warning	CHS		36 min
Jun 15, 10:16 PM EDT	Special Marine Warning	CHS		49 min
Jun 15, 10:21 PM EDT	Areal Flood Advisory	CHS	Charleston	114 min
Jun 15, 10:26 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Jasper	64 min
Jun 15, 10:51 PM EDT	Special Marine Warning	CHS		84 min
Jun 16, 4:28 PM EDT	Special Weather Statement	CHS	Charleston	32 min
Jun 16, 5:27 PM EDT	Special Marine Warning	CHS		93 min
Jun 16, 5:44 PM EDT	Special Weather Statement	CHS	Dorchester	31 min
Jun 16, 5:46 PM EDT	Areal Flood Advisory	CHS	Charleston, Colleton, Dorchester	89 min
Jun 16, 6:15 PM EDT	Special Marine Warning	CHS		90 min
Jun 15, 10:18 PM EDT	Special Weather Statement	CHS	Effingham	27 min
Jun 15, 10:56 PM EDT	Special Weather Statement	CHS	Chatham	19 min

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.