Alert archive / South Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 117, NWS Charleston, SC

June 1, 2008Berkeley County, Charleston County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jun 1, 2008, 8:39 PM EDT for Berkeley County, Charleston County, South Carolina. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 1, 2008, 8:39 PM EDT (00:39 UTC)
Expired: Jun 1, 2008, 9:45 PM EDT
In force: 66 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon

Counties Berkeley County, SC, Charleston County, SC

The radar

The Charleston,SC radar (KCLX), 108 km from the middle of the area, began a volume at 00:41 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 00:00Z, 0.7 hours before the alert went out and 10 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: 2299 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1634 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 1, 7:06 PM EDT, 1 hour 33 minutes earlier.

Area forecast discussion, Jun 1, 7:06 PM EDT, 1 hour 33 minutes before

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Hazardous weather outlook, Jun 1, 4:58 AM EDT, 15 hours 41 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON SC
458 AM EDT SUN JUN 1 2008

AMZ330-350-GAZ087-088-SCZ040-042>045-049-050-021000-
CHARLESTON HARBOR-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-JENKINS-
SCREVEN-ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER-BERKELEY-
COASTAL COLLETON-CHARLESTON-
458 AM EDT SUN JUN 1 2008

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

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORMS...THE COMBINATION OF A STRONG UPPER LEVEL
DISTURBANCE AND AN APPROACHING COLD FRONT WILL ALLOW SHOWERS AND
THUNDERSTORMS TO DEVELOP ACROSS NORTHERN AND CENTRAL SOUTH
CAROLINA THIS AFTERNOON. THESE SHOWERS AND THUNDERSTORMS WILL SHIFT
SOUTHEAST INTO THE AREA LATE THIS AFTERNOON INTO THIS EVENING...
POSSIBLY CONTINUING INTO THE OVERNIGHT HOURS.

THERE IS A SLIGHT RISK THAT SOME OF THESE THUNDERSTORMS WILL
BECOME SEVERE. THE PRIMARY HAZARD WILL BE DAMAGING WINDS...
ALTHOUGH LARGE HAIL IS ALSO POSSIBLE. IN ADDITION...ANY
THUNDERSTORM THAT DEVELOPS IS EXPECTED TO PRODUCE FREQUENT CLOUD-
TO-GROUND LIGHTNING STRIKES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

STRONG/SEVERE THUNDERSTORMS...THE COMBINATION OF A STALLED FRONTAL
BOUNDARY AND UPPER LEVEL DISTURBANCE OVER THE REGION ON MONDAY IS
EXPECTED TO TRIGGER ANOTHER ROUND OF THUNDERSTORMS OVER PARTS OF
SOUTHERN SOUTH SOUTH CAROLINA AND SOUTHEAST GEORGIA. A FEW OF THE
STORMS MAY BECOME STRONG WITH GUSTY WINDS AND SMALL HAIL. HEAVY
RAINFALL MAY ALSO ACCOMPANY SOME OF THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

AMZ352-354-374-GAZ099>101-114>119-137>141-SCZ047-048-051-021000-
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-CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS-INLAND BRYAN-
COASTAL BRYAN-INLAND CHATHAM-COASTAL CHATHAM-LONG-INLAND LIBERTY-
COASTAL LIBERTY-INLAND MCINTOSH-COASTAL MCINTOSH-INLAND JASPER-
BEAUFORT-COASTAL JASPER-
458 AM EDT SUN JUN 1 2008

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

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORMS...THE COMBINATION OF A STRONG UPPER LEVEL
DISTURBANCE AND AN APPROACHING COLD FRONT WILL ALLOW SHOWERS AND
THUNDERSTORMS TO DEVELOP NORTH OF THE AREA TODAY. THESE SHOWERS
AND THUNDERSTORMS WILL SHIFT SOUTHEAST INTO THE AREA THIS
EVENING...AND CONTINUE THROUGH THE OVERNIGHT HOURS.

THERE IS A SLIGHT RISK THAT SOME OF THESE THUNDERSTORMS WILL
BECOME SEVERE. THE PRIMARY HAZARD WILL BE DAMAGING WINDS...
ALTHOUGH LARGE HAIL IS ALSO POSSIBLE. IN ADDITION...ANY
THUNDERSTORM THAT DEVELOPS IS EXPECTED TO PRODUCE FREQUENT CLOUD-
TO-GROUND LIGHTNING STRIKES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

STRONG/SEVERE THUNDERSTORMS...THE COMBINATION OF A STALLED FRONTAL
BOUNDARY AND UPPER LEVEL DISTURBANCE OVER THE REGION ON MONDAY IS
EXPECTED TO TRIGGER ANOTHER ROUND OF THUNDERSTORMS OVER PARTS OF
SOUTHERN SOUTH SOUTH CAROLINA AND SOUTHEAST GEORGIA. A FEW OF THE
STORMS MAY BECOME STRONG WITH GUSTY WINDS AND SMALL HAIL. HEAVY
RAINFALL MAY ALSO ACCOMPANY SOME OF THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

JAQ

In the hours before

Special weather statement, Jun 1, 7:14 PM EDT, 1 hour 25 minutes before

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Local storm report, Jun 1, 8:02 PM EDT, 37 minutes before

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Local storm report, Jun 1, 8:17 PM EDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
817 PM EDT SUN JUN 01 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0815 PM     HAIL             PINOPOLIS               33.23N 80.04W
06/01/2008  E0.88 INCH       BERKELEY           SC   TRAINED SPOTTER

            WIND GUSTS WERE ALSO ESTIMATED AROUND 50 MPH.

&&

Local storm report, Jun 1, 8:28 PM EDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
828 PM EDT SUN JUN 01 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0818 PM     HAIL             BONNEAU                 33.31N 79.96W
06/01/2008  E0.75 INCH       BERKELEY           SC   PUBLIC

            CALLER ALSO REPORTED NUMEROUS SMALL TREE LIMBS WERE BLOWN
            DOWN. TIME FOR HAIL WAS ESTIMATED FROM RADAR.

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 8:40 PM EDT	Special Marine Warning	CHS		2 hr
Jun 1, 10:16 PM EDT	Severe Thunderstorm Warning	CHS	Charleston	29 min
Jun 1, 10:39 PM EDT	Special Marine Warning	CHS		96 min
Jun 2, 1:10 AM EDT	Severe Thunderstorm Warning	CHS	Jasper	50 min
Jun 2, 2:02 AM EDT	Special Marine Warning	CHS		118 min
Jun 2, 2:16 AM EDT	Special Marine Warning	CHS		119 min
Jun 2, 3:27 AM EDT	Severe Thunderstorm Warning	CHS	Allendale	29 min
Jun 2, 4:44 PM EDT	Severe Thunderstorm Warning	CHS	Charleston	36 min
Jun 2, 5:30 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Jasper	60 min
Jun 2, 6:14 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort	61 min
Jun 2, 6:31 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Colleton, Hampton, Jasper	36 min
Jun 2, 6:37 PM EDT	Severe Thunderstorm Warning	CHS	Hampton, Jasper	42 min
Jun 2, 6:54 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Jasper	66 min
Jun 2, 7:10 PM EDT	Severe Thunderstorm Warning	CHS	Colleton, Hampton	65 min
Jun 2, 7:16 PM EDT	Special Marine Warning	CHS		33 min
Jun 1, 11:56 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler, Evans, Tattnall	40 min
Jun 2, 5:28 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler	47 min
Jun 2, 5:35 PM EDT	Severe Thunderstorm Warning	CHS	Liberty, Long, McIntosh	41 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2008 Every severe thunderstorm warning in 2008

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.