Alert archive / South Carolina / Special Weather Statements in 2016

Special Weather Statement, NWS Charleston, SC

June 28, 2016Charleston County, South Carolina

NWS Charleston, SC issued this special weather statement at Jun 28, 2016, 7:03 PM EDT for Charleston County, South Carolina. It was in force for 27 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 28, 2016, 7:03 PM EDT (23:03 UTC)
Expired: Jun 28, 2016, 7:30 PM EDT
In force: 27 min
Issued by: NWS Charleston, SC

County Charleston County, SC

The radar

The Charleston,SC radar (KCLX), 102 km from the middle of the area, began a volume at 23:03 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, 11.1 hours before the alert went out and 26 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: 851 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 793 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 7 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 28, 6:35 PM EDT, 28 minutes earlier.

Area forecast discussion, Jun 28, 6:35 PM EDT, 28 minutes before

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Hazardous weather outlook, Jun 28, 3:48 AM EDT, 15 hours 15 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON SC
348 AM EDT TUE JUN 28 2016

AMZ330-350-352-354-374-GAZ087-088-099>101-114>119-137>141-SCZ040-
042>045-047>052-290800-
CHARLESTON HARBOR-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
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 EXTENDING 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 COLLETON-DORCHESTER-INLAND BERKELEY-
INLAND JASPER-BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER-
TIDAL BERKELEY-
348 AM EDT TUE JUN 28 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL
WATERS...SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ASSISTANCE IS NOT ANTICIPATED AT THIS TIME.

In the hours before

Local storm report, Jun 28, 5:50 PM EDT, 1 hour 13 minutes before

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Local storm report, Jun 28, 6:44 PM EDT, 19 minutes before

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Local storm report, Jun 28, 6:46 PM EDT, 17 minutes before

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Local storm report, Jun 28, 6:47 PM EDT, 16 minutes before

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Special weather statement, Jun 28, 6:51 PM EDT, 12 minutes before

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Special weather statement, Jun 28, 7:03 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
703 PM EDT TUE JUN 28 2016

SCZ050-282330-
CHARLESTON SC-
703 PM EDT TUE JUN 28 2016

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF CHARLESTON COUNTY
UNTIL 730 PM EDT...

AT 703 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER JAMES ISLAND COUNTY PARK...OR NEAR
CHARLESTON...MOVING SOUTHEAST AT 20 MPH.

  HAZARD...STRONG WINDS 45 TO 55 MPH AND EXCESSIVE CLOUD TO GROUND
           LIGHTNING.

  IMPACT...EXPECT MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF
           LIGHT...UNSECURED OJBECTS. ALL OUTDOOR ACTIVITIES SHOULD
           CEASE. MOVE INDOORS IMMEDIATELY.

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
FOLLY BEACH...KIAWAH ISLAND...JAMES ISLAND COUNTY PARK...
JOHNS ISLAND...JAMES ISLAND AND MAYBANK BRIDGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3266 7986 3260 7996 3257 8003 3271 8014
      3277 7998 3270 7985
TIME...MOT...LOC 2303Z 316DEG 17KT 3271 8001

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 2:53 PM EDT	Special Weather Statement	CHS	Charleston	22 min
Jun 28, 3:12 PM EDT	Special Marine Warning	CHS		93 min
Jun 28, 3:15 PM EDT	Special Weather Statement	CHS	Charleston	30 min
Jun 28, 3:37 PM EDT	Special Weather Statement	CHS	Dorchester	23 min
Jun 28, 3:45 PM EDT	Areal Flood Advisory	CHS	Charleston	60 min
Jun 28, 4:41 PM EDT	Special Weather Statement	CHS	Berkeley	64 min
Jun 28, 4:53 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	67 min
Jun 28, 4:59 PM EDT	Special Weather Statement	CHS	Colleton	61 min
Jun 28, 5:13 PM EDT	Severe Thunderstorm Warning	CHS	Colleton, Hampton	62 min
Jun 28, 6:25 PM EDT	Areal Flood Advisory	CHS	Colleton, Hampton	65 min
Jun 28, 6:51 PM EDT	Special Weather Statement	CHS	Allendale	54 min
Jun 28, 7:11 PM EDT	Special Weather Statement	CHS	Candler	34 min
Jun 28, 7:37 PM EDT	Special Weather Statement	CHS	Bryan	23 min

Nearby

Special Weather Statements in South Carolina, 2016 Every special weather statement in 2016

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.