Alert archive / South Carolina / Special Weather Statements in 2014

Special Weather Statement, NWS Charleston, SC

August 19, 2014Colleton County, South Carolina

NWS Charleston, SC issued this special weather statement at Aug 19, 2014, 2:49 PM EDT for Colleton County, South Carolina. It was in force for 41 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
Aug 19, 2014, 2:49 PM EDT (18:49 UTC)
Expired
Aug 19, 2014, 3:30 PM EDT
In force
41 min
Issued by
NWS Charleston, SC

County Colleton County, SC

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 6.8 hours before the alert went out and 260 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, Jacksonville, FL at 12:00Z on 2014-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1210 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, Jacksonville, FL at 12:00Z on 2014-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
1210 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
878 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
60 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 Aug 19, 2:04 PM EDT, 45 minutes earlier.

Area forecast discussion, Aug 19, 2:04 PM EDT, 45 minutes before
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Hazardous weather outlook, Aug 19, 11:02 AM EDT, 3 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON SC
1102 AM EDT TUE AUG 19 2014

GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-201515-
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-
1102 AM EDT TUE AUG 19 2014

...ISOLATED SEVERE THUNDERSTORMS POSSIBLE INTO THIS EVENING...

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

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORMS...THUNDERSTORMS WILL ADVANCE THROUGH PARTS OF
SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA INTO THIS EVENING.
A FEW OF THUNDERSTORMS COULD PRODUCE DAMAGING WIND GUSTS IN EXCESS
OF 60 MPH. THE TIME FRAME FOR THE STRONGEST THUNDERSTORMS WILL
OCCUR FROM NOON TO 9 PM.

CHECK WITH NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR UPDATED
INFORMATION INCLUDING POSSIBLE STATEMENTS AND WARNINGS THROUGH
THIS EVENING.

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

EXCESSIVE HEAT...THE COMBINATION OF HIGH TEMPERATURES IN THE MID
TO UPPER 90S WITH MODERATE HUMIDITY WILL PRODUCE HEAT INDICES OF
105 TO 110 DEGREES WEDNESDAY THROUGH FRIDAY. HEAT ADVISORIES MAY
BE REQUIRED.

.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.

AMZ330-350-352-354-374-201515-
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-
1102 AM EDT TUE AUG 19 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT.

STRONG THUNDERSTORMS...THUNDERSTORMS OVER LAND AREAS WILL MOVE
TOWARD THE EAST AND WILL ADVANCE ACROSS THE COASTAL WATERS THIS
AFTERNOON INTO THIS EVENING. A FEW OF THUNDERSTORMS COULD PRODUCE
STRONG WIND GUSTS EXCEEDING 40 KNOTS. THE TIME FRAME FOR THE
STRONGEST THUNDERSTORMS WILL OCCUR FROM 1 PM TO 10 PM.

CHECK WITH NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR UPDATED
INFORMATION INCLUDING POSSIBLE STATEMENTS AND WARNINGS THROUGH
THIS EVENING.

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

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.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

Local storm report, Aug 19, 2:12 PM EDT, 37 minutes before
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Local storm report, Aug 19, 2:16 PM EDT, 33 minutes before
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Local storm report, Aug 19, 2:33 PM EDT, 16 minutes before
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Local storm report, Aug 19, 2:42 PM EDT, 7 minutes before
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Local storm report, Aug 19, 2:49 PM EDT, 0 minutes before
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Special weather statement, Aug 19, 2:49 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
Aug 18, 8:02 PM EDTSpecial Weather StatementCHSDorchester28 min
Aug 18, 8:11 PM EDTSpecial Marine WarningCHS94 min
Aug 18, 8:41 PM EDTSpecial Weather StatementCHSDorchester34 min
Aug 18, 9:07 PM EDTSpecial Weather StatementCHSBerkeley23 min
Aug 18, 9:38 PM EDTSpecial Weather StatementCHSCharleston37 min
Aug 18, 10:15 PM EDTSpecial Weather StatementCHSBerkeley30 min
Aug 18, 10:22 PM EDTSpecial Marine WarningCHS113 min
Aug 18, 10:48 PM EDTSpecial Marine WarningCHS117 min
Aug 19, 1:04 PM EDTSpecial Marine WarningCHS116 min
Aug 19, 1:06 PM EDTSpecial Weather StatementCHSJasper54 min
Aug 19, 1:46 PM EDTSpecial Weather StatementCHSBeaufort, Jasper59 min
Aug 19, 1:48 PM EDTSevere Thunderstorm WarningCHSBeaufort, Colleton, Hampton, Jasper57 min
Aug 19, 1:51 PM EDTSpecial Marine WarningCHS114 min
Aug 19, 3:17 PM EDTSpecial Marine WarningCHS118 min
Aug 19, 3:45 PM EDTSpecial Weather StatementCHSCharleston60 min
Aug 19, 4:09 PM EDTSpecial Marine WarningCHS2 hr
Aug 19, 6:24 PM EDTSpecial Weather StatementCHSAllendale36 min
Aug 19, 11:27 AM EDTSpecial Weather StatementCHSCandler, Evans, Tattnall48 min
Aug 19, 12:11 PM EDTSpecial Weather StatementCHSBryan, Evans, Long34 min
Aug 19, 12:18 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Evans, Liberty, Long, Tattnall42 min
Aug 19, 12:56 PM EDTSevere Thunderstorm WarningCHSBryan, Chatham, Liberty, Long, McIntosh64 min
Aug 19, 2:55 PM EDTSpecial Weather StatementCHSMcIntosh50 min
Aug 19, 3:47 PM EDTSpecial Weather StatementCHSMcIntosh28 min
Aug 19, 5:07 PM EDTSpecial Weather StatementCHSBulloch, Candler, Jenkins38 min
Aug 19, 5:44 PM EDTSpecial Weather StatementCHSScreven46 min

Nearby

Special Weather Statements in South Carolina, 2014Every special weather statement in 2014

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.