Alert archive / South Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 21, NWS Charleston, SC

April 8, 2006Dorchester County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Apr 8, 2006, 2:13 PM EDT for Dorchester County, South Carolina. It was in force for 32 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 8, 2006, 2:13 PM EDT (18:13 UTC)
Expired: Apr 8, 2006, 2:45 PM EDT
In force: 32 min
Issued by: NWS Charleston, SC
Area: Counties, with a storm outline in the text

County Dorchester County, SC

The radar

The Charleston,SC radar (KCLX), 76 km from the middle of the area, began a volume at 18:12 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.

What was reported inside it

Time	Report	Where	Remark
Apr 8, 2:20 PM EDT	HAIL 1	Saint George, SC	LARGE HAIL REPORTED BY COUNTY WARNING POINT.
Apr 8, 2:20 PM EDT	HAIL 1.75	Saint George, SC
Apr 8, 2:25 PM EDT	HAIL 1	Saint George, SC	ALSO ESTIMATES 40 MPH WINDS WHICH BLEW OVER SEVERAL LARGE TENTS SET UP FOR A LOCAL FESTIVAL.
Apr 8, 2:30 PM EDT	HAIL 1	Harleyville, SC
Apr 8, 2:35 PM EDT	HAIL 1	2 E Harleyville, SC	PENNY TO QUARTER SIZE HAIL REPORTED 2 MILES EAST OF HARLEYVILLE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 8, 1:30 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 6.2 hours before the alert went out and 61 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: 516 J/kg
Mixed-layer CIN: -106 J/kg
Mixed-layer LCL: 873 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KCHS 081814
SVRCHS
SCC035-081845-
/O.NEW.KCHS.SV.W.0021.060408T1813Z-060408T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
213 PM EDT SAT APR 8 2006

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DORCHESTER COUNTY IN SOUTHEAST SOUTH CAROLINA

* UNTIL 245 PM EDT

* AT 207 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES
  SOUTHWEST OF REEVESVILLE...OR ABOUT 10 MILES SOUTHWEST OF SAINT
  GEORGE...MOVING EAST AT 50 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE...
  REEVESVILLE...
  SAINT GEORGE...
  HARLEYVILLE...
  DORCHESTER...
  MOUNT ZION...
  ROSINVILLE...

THIS STORM HAS A HISTORY OF PRODUCING NICKEL SIZED HAIL AS IT MOVED 
THROUGH COLLETON AND ALLENDALE COUNTIES EARLIER THIS AFTERNOON.

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES SUDDENLY. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS
AND BE READY TO ACT QUICKLY.

ADDITIONAL DANGEROUS THUNDERSTORMS MAY DEVELOP AND AFFECT OTHER
COMMUNITIES IN THE WARNED AREA.

TO REPORT SEVERE WEATHER ONLY...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024.

LAT...LON 3318 8079 3307 8061 3313 8030 3324 8036
      3327 8045 3332 8051

$$

33

1 follow-up statement

000 
WWUS52 KCHS 081832
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
231 PM EDT SAT APR 8 2006

SCC035-081845-
/O.CON.KCHS.SV.W.0021.000000T0000Z-060408T1845Z/
DORCHESTER-
231 PM EDT SAT APR 8 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR DORCHESTER COUNTY...

AT 228 PM EDT...DOPPLER RADAR CONTINUES TO SHOW A SEVERE 
THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL...AND DAMAGING 
WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR 
HARLEYVILLE...OR ABOUT 7 MILES EAST OF SAINT GEORGE...MOVING 
NORTHEAST AT 50 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM 
INCLUDE....HARLEYVILLE AND GIANT.

THIS STORM HAS ALREADY PRODUCED QUARTER SIZED AND GOLF BALL SIZED 
HAIL AS IT WENT THROUGH SAINT GEORGE AT 220 PM EDT.

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES SUDDENLY. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS
AND BE READY TO ACT QUICKLY.

TO REPORT SEVERE WEATHER ONLY...PLEASE CONTACT THE NATIONAL WEATHER 
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR 
REPORTS TO CHS.SKYWARN@NOAA.GOV.

LAT...LON 3318 8079 3307 8061 3313 8030 3324 8036
      3327 8045 3332 8051

$$

33

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 8:29 PM EDT	Lake Wind Advisory	CHS	Berkeley	21 hr
Apr 8, 1:17 PM EDT	Severe Thunderstorm Warning	CHS	Allendale, Hampton	28 min
Apr 8, 1:44 PM EDT	Severe Thunderstorm Warning	CHS	Colleton	31 min
Apr 8, 2:25 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	65 min
Apr 8, 3:04 PM EDT	Severe Thunderstorm Warning	CHS	Colleton, Dorchester	41 min
Apr 8, 3:42 PM EDT	Severe Thunderstorm Warning	CHS	Charleston	63 min
Apr 8, 3:49 PM EDT	Severe Thunderstorm Warning	CHS	Colleton	26 min
Apr 8, 3:54 PM EDT	Severe Thunderstorm Warning	CHS	Dorchester	51 min
Apr 8, 4:13 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	32 min
Apr 8, 4:28 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Jasper	62 min
Apr 8, 4:29 PM EDT	Tornado Warning	CHS	Berkeley, Charleston	46 min
Apr 8, 5:31 PM EDT	Lake Wind Advisory	CHS	Berkeley	22 hr

Nearby

Severe Thunderstorm Warnings in South Carolina, 2006 Every severe thunderstorm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.