Alert archive / South Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 35, NWS Charleston, SC

June 14, 2002Charleston County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jun 14, 2002, 3:03 PM EDT for Charleston County, South Carolina. It was in force for 27 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 14, 2002, 3:03 PM EDT (19:03 UTC)
Expired: Jun 14, 2002, 3:30 PM EDT
In force: 27 min
Issued by: NWS Charleston, SC
Area: Whole counties

County Charleston County, SC

The radar

The Charleston,SC radar (KCLX), 103 km from the middle of the area, began a volume at 19:04 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, 7.1 hours before the alert went out and 18 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: 682 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1218 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 45 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.

000 
WUUS52 KCHS 141903
SVRCHS
SCC019-141930-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
303 PM EDT FRI JUN 14 2002

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME NORTHEASTERN CHARLESTON COUNTY IN SOUTHEAST SOUTH CAROLINA.

* UNTIL 330 PM EDT.

* AT 303 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM 
  OVER HELL HOLE SWAMP...OR ABOUT 9 MILES NORTHWEST OF   
  MCCLELLANVILLE...MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  WAMBAW CORNER...
  GERMANTOWN...
  HAMPTON PLANTATION STATE PARK...

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.
SEEK SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

LARGE HAIL IS LIKELY WITH THIS DANGEROUS SEVERE THUNDERSTORM...IF YOU ARE 
IN THE PATH THIS STORM...PUT YOUR CAR IN A GARAGE AND MOVE INDOORS TO AN 
INTERIOR ROOM ON THE LOWEST FLOOR AWAY FROM WINDOWS.

$$

LAT...LON 3312 7964 3312 7958 3315 7945 3318 7940
          3321 7942 3319 7946 3321 7945 3316 7951

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 2:09 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	31 min
Jun 14, 2:55 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	35 min
Jun 14, 5:12 PM EDT	Special Marine Warning	CHS		63 min
Jun 14, 5:23 PM EDT	Special Marine Warning	CHS		52 min
Jun 14, 6:40 PM EDT	Special Marine Warning	CHS		50 min
Jun 14, 7:03 PM EDT	Special Marine Warning	CHS		42 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2002 Every severe thunderstorm warning in 2002

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.