Alert archive / South Carolina / Special Weather Statements in 2015

Special Weather Statement, NWS Charleston, SC

July 14, 2015Colleton County, South Carolina

NWS Charleston, SC issued this special weather statement at Jul 14, 2015, 1:13 PM EDT for Colleton 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 14, 2015, 1:13 PM EDT (17:13 UTC)
Expired
Jul 14, 2015, 1:45 PM EDT
In force
32 min
Issued by
NWS Charleston, SC

County Colleton County, SC

The radar

The Charleston,SC radar (KCLX), 20 km from the middle of the area, began a volume at 17:14 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, 5.2 hours before the alert went out and 81 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 2015-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1223 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 2015-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.193958Sfc1 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
1223 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1176 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 14, 10:41 AM EDT, 2 hours 32 minutes earlier.

Area forecast discussion, Jul 14, 10:41 AM EDT, 2 hours 32 minutes before
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Hazardous weather outlook, Jul 14, 4:37 AM EDT, 8 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON SC
437 AM EDT TUE JUL 14 2015

AMZ330-350-352-354-374-GAZ087-088-099>101-114>119-137>141-SCZ040-
042>045-047>052-150845-
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-
437 AM EDT TUE JUL 14 2015

...SEVERE WEATHER POSSIBLE THIS AFTERNOON INTO TONIGHT...

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

.DAY ONE...TODAY AND TONIGHT.

SEVERE WEATHER...SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS THE
AREA THIS AFTERNOON AND CONTINUE INTO TONIGHT DUE TO BOUNDARY
INTERACTIONS AND ENERGY MOVING IN ALOFT. SOME OF THE STORMS WILL
BECOME SEVERE...RESULTING IN DAMAGING WINDS IN EXCESS OF 60 MPH
AND 1 INCH HAIL OR GREATER. FREQUENT LIGHTNING AND HEAVY RAINS
WILL ALSO OCCUR. THE RISK FOR SEVERE WEATHER IS GREATEST BETWEEN
2 PM AND MIDNIGHT.

PEOPLE ACROSS SOUTHERN SOUTH CAROLINA AND SOUTHEAST GEORGIA SHOULD
REMAIN WEATHER AWARE AND BE READY TO TAKE ACTION SHOULD WATCHES OR
WARNINGS BE ISSUED FOR YOUR AREA. STAY TUNED TO NOAA WEATHER
RADIO...TV OR YOUR LOCAL NEWS SOURCE FOR THE LATEST WEATHER
INFORMATION.

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

SEVERE WEATHER...ISOLATED TO SCATTERED THUNDERSTORMS SHOULD DEVELOP
AHEAD OF AN APPROACHING COLD FRONT WEDNESDAY. SOME OF THESE
STORMS COULD BE SEVERE...WITH DAMAGING WINDS AND HAIL BEING THE
PRIMARY CONCERN. THE THREAT OF SEVERE WEATHER SHOULD BE GREATEST
DURING THE AFTERNOON AND EVENING HOURS ON WEDNESDAY.

.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.

YOU CAN ALSO EMAIL YOUR REPORT TO CHS.SKYWARN@NOAA.GOV OR SEND A
TWEET TO @NWSCHARLESTONSC.

In the hours before

Special weather statement, Jul 14, 7:56 AM EDT, 5 hours 17 minutes before
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Local storm report, Jul 14, 11:52 AM EDT, 1 hour 21 minutes before
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Local storm report, Jul 14, 11:54 AM EDT, 1 hour 19 minutes before
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Local storm report, Jul 14, 11:58 AM EDT, 1 hour 15 minutes before
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Special weather statement, Jul 14, 1:05 PM EDT, 8 minutes before
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Special weather statement, Jul 14, 1:13 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 13, 8:58 PM EDTSpecial Weather StatementCHSCharleston32 min
Jul 13, 9:01 PM EDTSevere Thunderstorm WarningCHSBerkeley, Charleston, Dorchester59 min
Jul 13, 9:10 PM EDTSpecial Marine WarningCHS65 min
Jul 14, 12:22 AM EDTSpecial Marine WarningCHS113 min
Jul 14, 12:34 AM EDTSpecial Weather StatementCHSGeorgetown41 min
Jul 14, 12:47 AM EDTSevere Thunderstorm WarningCHSCharleston32 min
Jul 14, 1:43 AM EDTSpecial Weather StatementCHSBerkeley62 min
Jul 14, 2:11 AM EDTSpecial Marine WarningCHS2 hr
Jul 14, 2:17 AM EDTSpecial Weather StatementCHSCharleston58 min
Jul 14, 2:58 AM EDTSpecial Weather StatementCHSBerkeley32 min
Jul 14, 3:38 AM EDTSmall Craft AdvisoryCHS41 hr
Jul 14, 4:21 AM EDTSpecial Marine WarningCHS54 min
Jul 14, 2:06 PM EDTSpecial Weather StatementCHSHampton24 min
Jul 14, 2:16 PM EDTSevere Thunderstorm WarningCHSHampton, Jasper21 min
Jul 14, 2:18 PM EDTSpecial Weather StatementCHSBeaufort27 min
Jul 14, 2:21 PM EDTSpecial Marine WarningCHS54 min
Jul 14, 2:24 PM EDTSevere Thunderstorm WarningCHSBeaufort, Charleston, Colleton26 min
Jul 14, 2:42 PM EDTSpecial Marine WarningCHS2 hr
Jul 14, 2:57 PM EDTSpecial Weather StatementCHSBeaufort33 min
Jul 14, 3:22 PM EDTSpecial Weather StatementCHSBeaufort23 min
Jul 14, 3:29 PM EDTSpecial Marine WarningCHS2 hr
Jul 14, 5:12 PM EDTSpecial Marine WarningCHS2 hr
Jul 13, 8:10 PM EDTSpecial Weather StatementCHSCandler35 min
Jul 13, 8:20 PM EDTSevere Thunderstorm WarningCHSBulloch, Candler, Evans, Tattnall55 min
Jul 13, 8:22 PM EDTSpecial Weather StatementCHSLong23 min
Jul 13, 9:17 PM EDTSevere Thunderstorm WarningCHSBryan, Bulloch, Evans, Liberty, Long, Tattnall25 min
Jul 13, 9:57 PM EDTSpecial Weather StatementCHSMcIntosh33 min
Jul 14, 7:56 AM EDTSpecial Weather StatementCHSChatham64 min
Jul 14, 1:05 PM EDTSpecial Weather StatementCHSBulloch25 min
Jul 14, 1:54 PM EDTSpecial Weather StatementCHSEffingham36 min
Jul 14, 2:01 PM EDTSpecial Weather StatementCHSCandler14 min
Jul 14, 2:09 PM EDTSpecial Weather StatementCHSCandler36 min
Jul 14, 3:08 PM EDTSpecial Weather StatementCHSEvans37 min
Jul 14, 3:35 PM EDTSpecial Weather StatementCHSJenkins, Screven25 min
Jul 14, 3:39 PM EDTSevere Thunderstorm WarningCHSBulloch, Jenkins, Screven32 min
Jul 14, 4:56 PM EDTSpecial Weather StatementCHSMcIntosh34 min

Nearby

Special Weather Statements in South Carolina, 2015Every 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.