Alert archive / South Carolina / Tornado Warnings in 2010

Tornado Warning 2, NWS Charleston, SC

April 8, 2010Beaufort County, Jasper County, South Carolina

NWS Charleston, SC issued this tornado warning at Apr 8, 2010, 11:03 PM EDT for Beaufort County, Jasper County, South Carolina. It was in force for 42 min. 3 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, 2010, 11:03 PM EDT (03:03 UTC)
Expired
Apr 8, 2010, 11:45 PM EDT
In force
42 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

Counties Beaufort County, SC, Jasper County, SC

The radar

The Charleston,SC radar (KCLX), 44 km from the middle of the area, began a volume at 03:04 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.

What was reported inside it

TimeReportWhereRemark
Apr 8, 11:11 PM EDTTORNADO2 W Bluffton, SCA SMALL EF0 TORNADO TOUCHED DOWN AT 1111 PM TWO MILES WEST OF BLUFFTON AND TRAVELED NORTHEAST APPROXIMATELY .15 MILES BEFORE DISSIPATING. THE TORNADO SNAPPED OFF THE TOPS OF A FEW PINE TREES, SOME LANDING ON AND DAMAGING VEHICLES,TORE OFF SOME ALUMINUM FLASHIN
Apr 8, 11:15 PM EDTTSTM WND DMGBluffton, SCMULTIPLE TREES BLOWN DOWN IN PINERIDGE SUBDIVISION PUBLIC REPORTED A POSSIBLE TORNADO.
Apr 8, 11:15 PM EDTTSTM WND GST 50Bluffton, SCWIND GUSTS ESTIMATED 40-50 MPH. COMMERCIAL POWER OUT.

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

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 3.1 hours before the alert went out and 98 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 00:00Z on 2010-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 00:00Z on 2010-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 square meters per square second.19395878Sfc1 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
30 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
1134 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

105 
WFUS52 KCHS 090303
TORCHS
SCC013-053-090345-
/O.NEW.KCHS.TO.W.0002.100409T0303Z-100409T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
1103 PM EDT THU APR 8 2010

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR...
  BEAUFORT COUNTY IN SOUTHEAST SOUTH CAROLINA...
  CENTRAL JASPER COUNTY IN SOUTHEAST SOUTH CAROLINA...

* UNTIL 1145 PM EDT

* AT 1100 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO...NEAR
  PRITCHARDVILLE...MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  PRITCHARDVILLE...SUN CITY...JASPER...ROSE HILL...BLUFFTON...
  CALAWASSIE ISLAND...LEMON ISLAND...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU
SEE OR HEAR IT COMING...IT MAY BE TOO LATE. TAKE COVER NOW.

REPORT HAIL...DOWNED TREES...LIMBS...AND POWER LINES DIRECTLY TO THE
CHARLESTON NATIONAL WEATHER SERVICE AT 1-888-383-2024.

&&

LAT...LON 3228 8111 3245 8082 3242 8084 3242 8081
      3247 8081 3255 8069 3230 8051 3225 8065
      3230 8066 3230 8070 3240 8079 3235 8079
      3231 8073 3229 8074 3230 8077 3224 8069
      3220 8078 3222 8079 3211 8102
TIME...MOT...LOC 0303Z 244DEG 29KT 3224 8097

$$
3 follow-up statements
215 
WWUS52 KCHS 090315
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1115 PM EDT THU APR 8 2010

SCC013-053-090345-
/O.CON.KCHS.TO.W.0002.000000T0000Z-100409T0345Z/
BEAUFORT SC-JASPER SC-
1115 PM EDT THU APR 8 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR EAST
CENTRAL JASPER AND CENTRAL BEAUFORT COUNTIES...

AT 1113 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR BLUFFTON...OR
ABOUT 9 MILES NORTHWEST OF HILTON HEAD ISLAND...MOVING NORTHEAST AT
35 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
BEAUFORT...BEAUFORT MARINE CORPS AIR STATION...BLUFFTON...CALAWASSIE
ISLAND...CLARENDON...JASPER...LADYS ISLAND...LEMON ISLAND...PARRIS
ISLAND...PORT ROYAL AND ROSE HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO MAY FORM AT ANY TIME. TAKE COVER NOW. ABANDON MOBILE HOMES
AND VEHICLES. MOVE TO AN INTERIOR ROOM OR HALLWAY ON THE LOWEST
FLOOR. STAY AWAY FROM WINDOWS.

TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU
SEE OR HEAR IT COMING...IT MAY BE TOO LATE. TAKE COVER NOW.

TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.

&&

LAT...LON 3217 8090 3236 8096 3245 8082 3242 8084
      3242 8081 3247 8081 3255 8069 3230 8051
      3225 8065 3230 8066 3230 8070 3240 8079
      3235 8079 3231 8073 3229 8074 3230 8077
      3224 8069 3220 8078 3222 8079
TIME...MOT...LOC 0315Z 247DEG 29KT 3226 8086

$$
067 
WWUS52 KCHS 090331
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1131 PM EDT THU APR 8 2010

SCC053-090341-
/O.CAN.KCHS.TO.W.0002.000000T0000Z-100409T0345Z/
JASPER SC-
1131 PM EDT THU APR 8 2010

...THE TORNADO WARNING FOR EAST CENTRAL JASPER COUNTY HAS BEEN
CANCELLED...

LAT...LON 3242 8081 3247 8081 3255 8069 3230 8051
      3225 8065 3230 8066 3230 8070
TIME...MOT...LOC 0331Z 247DEG 29KT 3237 8067

$$

SCC013-090345-
/O.CON.KCHS.TO.W.0002.000000T0000Z-100409T0345Z/
BEAUFORT SC-
1131 PM EDT THU APR 8 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR CENTRAL
BEAUFORT COUNTY...

AT 1127 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR PARRIS ISLAND...OR
ABOUT 6 MILES SOUTH OF BEAUFORT...MOVING NORTHEAST AT 35 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
BEAUFORT...BEAUFORT MARINE CORPS AIR STATION...CLARENDON...LADYS
ISLAND...PARRIS ISLAND AND PORT ROYAL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO MAY FORM AT ANY TIME. TAKE COVER NOW. ABANDON MOBILE HOMES
AND VEHICLES. MOVE TO AN INTERIOR ROOM OR HALLWAY ON THE LOWEST
FLOOR. STAY AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.

&&

LAT...LON 3242 8081 3247 8081 3255 8069 3230 8051
      3225 8065 3230 8066 3230 8070
TIME...MOT...LOC 0331Z 247DEG 29KT 3237 8067

$$
182 
WWUS52 KCHS 090337
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1137 PM EDT THU APR 8 2010

SCC013-090347-
/O.EXP.KCHS.TO.W.0002.000000T0000Z-100409T0345Z/
BEAUFORT SC-
1137 PM EDT THU APR 8 2010

...THE TORNADO WARNING FOR CENTRAL BEAUFORT COUNTY WILL EXPIRE AT
1145 PM EDT...

AT 1135 PM EDT...RADAR INDICATED THAT TORNADIC THUNDERSTORM THAT
PROMPTED THE WARNING WEAKENED...AND WAS NO LONGER CAPABLE OF
PRODUCING TORNADOES OR OTHER SEVERE WEATHER. THE TORNADO WARNING HAS
THEREFORE BEEN ALLOWED TO EXPIRE.

ALTHOUGH THE IMMEDIATE THREAT FOR TORNADOES...DAMAGING WINDS AND
LARGE HAIL HAS ENDED...THUNDERSTORMS ARE STILL PRODUCING OCCASIONAL
CLOUD TO GROUND LIGHTNING STRIKES. THE SAFEST COURSE OF ACTION IS TO
REMAIN INDOORS UNTIL THE STORMS HAVE PASSED.

LAT...LON 3242 8081 3247 8081 3255 8069 3230 8051
      3225 8065 3230 8066 3230 8070
TIME...MOT...LOC 0337Z 247DEG 29KT 3239 8062

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 10:38 PM EDTSevere Thunderstorm WarningCHSJasper37 min
Apr 8, 11:21 PM EDTLake Wind AdvisoryCHSBerkeley4 hr

Nearby

Tornado Warnings in South Carolina, 2010Every tornado warning in 2010Tornadoes in 2010

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.