Alert archive / South Carolina / Special Weather Statements in 2016

Special Weather Statement, NWS Charleston, SC

July 3, 2016Colleton County, Dorchester County, South Carolina

NWS Charleston, SC issued this special weather statement at Jul 3, 2016, 6:59 PM EDT for Colleton County, Dorchester County, South Carolina. It was in force for 46 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 3, 2016, 6:59 PM EDT (22:59 UTC)
Expired
Jul 3, 2016, 7:45 PM EDT
In force
46 min
Issued by
NWS Charleston, SC

Counties Colleton County, SC, Dorchester County, SC

The radar

The Charleston,SC radar (KCLX), 74 km from the middle of the area, began a volume at 23:02 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, 11.0 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-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 2016-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1017 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 2016-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
1017 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
58 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 Jul 3, 6:54 PM EDT, 5 minutes earlier.

Area forecast discussion, Jul 3, 6:54 PM EDT, 5 minutes before
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Hazardous weather outlook, Jul 3, 6:50 PM EDT, 9 minutes before
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In the hours before

Special weather statement, Jul 3, 4:16 PM EDT, 2 hours 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
416 PM EDT SUN JUL 3 2016

SCZ045-050-032100-
INLAND BERKELEY SC-CHARLESTON SC-
416 PM EDT SUN JUL 3 2016

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF CHARLESTON AND
BERKELEY COUNTIES UNTIL 500 PM EDT...

AT 415 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR AWENDAW...OR 12 MILES WEST OF
MCCLELLANVILLE...MOVING EAST AT 5 MPH.

  HAZARD...STRONG WINDS 45 TO 55 MPH.

  IMPACT...EXPECT MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF
           LIGHT...UNSECURED OBJECTS.

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
MCCLELLANVILLE...SHULERVILLE...BUCK HALL AND AWENDAW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT DAMAGE DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE AT
1-888-383-2024 WHEN IT IS SAFE TO DO SO. YOU CAN ALSO EMAIL YOUR
REPORT TO NWS.CHARLESTONSC@NOAA.GOV.

&&

LAT...LON 3298 7951 3296 7952 3299 7976 3317 7977
      3324 7948 3323 7948 3324 7947 3323 7947
      3324 7946 3298 7945
TIME...MOT...LOC 2015Z 267DEG 6KT 3309 7968
Special weather statement, Jul 3, 6:20 PM EDT, 39 minutes before
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Special weather statement, Jul 3, 6:59 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
Jul 3, 10:06 AM EDTCoastal Flood AdvisoryCHS11 hr
Jul 3, 2:29 PM EDTHeat AdvisoryCHSBerkeley5 hr
Jul 3, 4:16 PM EDTSpecial Weather StatementCHSBerkeley44 min
Jul 3, 6:20 PM EDTSpecial Weather StatementCHSColleton40 min
Jul 3, 7:07 PM EDTAreal Flood AdvisoryCHSColleton83 min
Jul 3, 7:45 PM EDTSpecial Weather StatementCHSBerkeley30 min

Nearby

Special Weather Statements in South Carolina, 2016Every 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.