Alert archive / South Carolina / Tornado Warnings in 1998

Tornado Warning 23, NWS Charleston, SC

June 10, 1998Charleston County, South Carolina

NWS Charleston, SC issued this tornado warning at Jun 10, 1998, 2:06 PM EDT for Charleston County, South Carolina. It was in force for 19 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 10, 1998, 2:06 PM EDT (18:06 UTC)
Expired
Jun 10, 1998, 2:25 PM EDT
In force
19 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 18:07 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, 6.1 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-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 1998-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 381 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 1998-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 square meters per square second.1939587897Sfc1 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
381 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
860 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
267 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCHS 101806 RRA
TORCHS
SCC019-101825-

BULLETIN...EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
206 PM EDT WED JUN 10 1998

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR...
  CHARLESTON COUNTY AROUND THE CHARLESTON HARBOR IN SOUTH CAROLINA

* UNTIL 225 PM EDT

* AT 200 PM EDT... SPOTTERS INDICATED WATERSPOUTS IN THE CHARLESTON
  HARBOR... MOVING SOUTHEAST AT 30 MPH.

* THE WATERSPOUTS MAY MOVE ON LALND AND CAUSE MINOR DAMAGE.



TJR


&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 12:39 PM EDTSevere Thunderstorm WarningCHSCharleston46 min
Jun 10, 2:25 PM EDTSevere Thunderstorm WarningCHSColleton45 min
Jun 10, 2:35 PM EDTSevere Thunderstorm WarningCHSCharleston45 min
Jun 10, 3:31 PM EDTSevere Thunderstorm WarningCHSColleton44 min
Jun 10, 3:56 PM EDTSevere Thunderstorm WarningCHSHampton49 min
Jun 10, 4:18 PM EDTSevere Thunderstorm WarningCHSBeaufort62 min
Jun 10, 4:29 PM EDTSevere Thunderstorm WarningCHSAllendale46 min

Nearby

Tornado Warnings in South Carolina, 1998Every tornado warning in 1998Tornadoes in 1998

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.