Alert archive / South Carolina / Special Weather Statements in 2015

Special Weather Statement, NWS Charleston, SC

July 5, 2015Dorchester County, South Carolina

NWS Charleston, SC issued this special weather statement at Jul 5, 2015, 3:13 PM EDT for Dorchester 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: Jul 5, 2015, 3:13 PM EDT (19:13 UTC)
Expired: Jul 5, 2015, 3:45 PM EDT
In force: 32 min
Issued by: NWS Charleston, SC

County Dorchester County, SC

The radar

The Charleston,SC radar (KCLX), 87 km from the middle of the area, began a volume at 19:17 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, 7.2 hours before the alert went out and 33 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: 333 J/kg
Mixed-layer CIN: -123 J/kg
Mixed-layer LCL: 1122 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -51 m²/s²
0-3 km storm-relative helicity: -17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Jul 5, 1:41 PM EDT, 1 hour 32 minutes earlier.

Area forecast discussion, Jul 5, 1:41 PM EDT, 1 hour 32 minutes before

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Hazardous weather outlook, Jul 5, 4:46 AM EDT, 10 hours 27 minutes before

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In the hours before

Special weather statement, Jul 5, 1:22 PM EDT, 1 hour 51 minutes before

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Special weather statement, Jul 5, 1:57 PM EDT, 1 hour 16 minutes before

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Special weather statement, Jul 5, 2:45 PM EDT, 28 minutes before

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Special weather statement, Jul 5, 2:50 PM EDT, 23 minutes before

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Special weather statement, Jul 5, 3:00 PM EDT, 13 minutes before

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Special weather statement, Jul 5, 3:13 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
313 PM EDT SUN JUL 5 2015

SCZ044-045-051945-
INLAND BERKELEY SC-DORCHESTER SC-
313 PM EDT SUN JUL 5 2015

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF DORCHESTER AND
BERKELEY COUNTIES UNTIL 345 PM EDT...

AT 313 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
GIVHANS...OR OVER GIVHANS FERRY STATE PARK...MOVING NORTHEAST AT 30
MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SUMMERVILLE...SLANDS BRIDGE...GIVHANS FERRY STATE PARK...
RIDGEVILLE...KNIGHTSVILLE...GIVHANS AND JEDBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 3315 8003 3302 8015 3301 8018 3300 8017
      3286 8030 3294 8041 3297 8042 3302 8041
      3303 8039 3305 8040 3327 8033 3327 8030
      3330 8025 3334 8025
TIME...MOT...LOC 1913Z 216DEG 27KT 3301 8033

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 1:57 PM EDT	Special Weather Statement	CHS	Jasper	33 min
Jul 5, 2:45 PM EDT	Special Weather Statement	CHS	Colleton	30 min
Jul 5, 2:50 PM EDT	Special Weather Statement	CHS	Dorchester	25 min
Jul 5, 3:00 PM EDT	Special Weather Statement	CHS	Berkeley	45 min
Jul 5, 3:42 PM EDT	Special Weather Statement	CHS	Berkeley	48 min
Jul 5, 5:00 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Jasper	60 min
Jul 5, 5:06 PM EDT	Special Marine Warning	CHS		114 min
Jul 5, 5:06 PM EDT	Special Weather Statement	CHS	Allendale	24 min
Jul 5, 5:29 PM EDT	Special Weather Statement	CHS	Allendale	31 min
Jul 5, 12:59 PM EDT	Special Weather Statement	CHS	Chatham	31 min
Jul 5, 3:18 PM EDT	Special Weather Statement	CHS	Bulloch, Candler	27 min
Jul 5, 3:27 PM EDT	Special Weather Statement	CHS	Chatham	33 min
Jul 5, 3:56 PM EDT	Special Weather Statement	CHS	Bulloch	34 min
Jul 5, 4:05 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Chatham	55 min
Jul 5, 4:13 PM EDT	Special Weather Statement	CHS	Liberty, McIntosh	32 min
Jul 5, 4:25 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Chatham, Liberty, McIntosh	65 min
Jul 5, 4:32 PM EDT	Special Weather Statement	CHS	Effingham	28 min
Jul 5, 4:48 PM EDT	Special Weather Statement	CHS	Screven	27 min

Nearby

Special Weather Statements in South Carolina, 2015 Every special weather statement in 2015

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.