Assessment of South Carolina Lowcountry Tornadoes

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Stormsfury
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Assessment of South Carolina Lowcountry Tornadoes

#1 Postby Stormsfury » Sun Apr 09, 2006 9:44 am

From the CHS NWS ...

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1143 PM EDT SAT APR 8 2006

...NATIONAL WEATHER SERVICE CONFIRMS TWO TORNADOES IN CHARLESTON
COUNTY...

A DAMAGE ASSESSMENT TEAM FROM THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN CHARLESTON SOUTH CAROLINA SURVEYED DAMAGE THAT OCCURRED
FROM A SEVERE SUPERCELL THUNDERSTORM THAT MOVED THROUGH MUCH OF
CHARLESTON COUNTY BETWEEN 345 PM AND 515 PM SATURDAY AFTERNOON.
LARGE HAIL AND DAMAGING WINDS IMPACTED MANY COMMUNITIES THROUGHOUT
THE COUNTY. SOME OF THE MOST SEVERE DAMAGE OCCURRED IN THE
COMMUNITIES OF ADAMS RUN AND WEST ASHLEY WHERE TWO TORNADOES HAVE
BEEN CONFIRMED TO HAVE TOUCHED DOWN.

...ADAMS RUN - TRACK REVIEW...
A LARGE SUPERCELL THUNDERSTORM MOVED INTO THE WESTERN PORTIONS OF
CHARLESTON COUNTY FROM SOUTHERN COLLETON COUNTY NEAR THE COMMUNITY
OF JACKSONBORO SHORTLY AFTER 345 PM. THE SUPERCELL MOVED RAPIDLY
EAST AT 45 MPH INTO THE COMMUNITY OF ADAMS RUN BY 350 PM AND
PRODUCED A TORNADO. THE TORNADO INITIALLY TOUCHED DOWN ALONG
WILLTOWN ROAD NEAR MINNIE HUGHS ELEMENTARY SCHOOL SHORTLY BEFORE
355 PM. HERE THE TORNADO BLEW DOWN AND SNAPPED POWERLINES AND
NUMEROUS LARGE TREES INCLUDING SEVERAL LARGE GRAND OAKS. HIGH WINDS
ASSOCIATED WITH THE TORNADO ALSO PARTIALLY COLLAPSED A HOUSE...
POSSIBLY INJURING ONE PERSON INSIDE. THE TORNADO CONTINUED TO MOVE
EAST AND CROSSED HIGHWAY 174 JUST NORTH OF THE INTERSECTION WITH
MOFFETT ROAD. HERE SEVERAL LARGE GRAND OAKS WERE SNAPPED AND
UPROOTED. THE TORNADO THEN MOVED INTO AN OPEN FARM FIELD WHERE
IT DAMAGED MORE TREES. THE TORNADO FINALLY MOVED ACROSS TOOGOODOO
ROAD NEAR THE INTERSECTION OF OAKVILLE ROAD AND SLIGHTLY DAMAGED
SEVERAL HOMES BEFORE LIFTING.

THE DAMAGE TEAM HAS DETERMINED THAT BASED ON THE SEVERITY OF
OBSERVED DAMAGE IN THE ADAMS RUN AREA THAT THIS TORNADO REACHED THE
HIGH END RANGE OF AN F1 TORNADO WITH ESTIMATED WINDS OF 100-110 MPH.

-- TORNADO STATISTICS --
LOCATION... ADAMS RUN SC
F-SCALE RATING... F1
ESTIMATED WINDS... 100-110 MPH
TORNADO WIDTH... 200-300 FT
TORNADO LENGTH... 2.5 MILES

...WEST ASHLEY /CITY OF CHARLESTON/ - TRACK REVIEW...
THE SUPERCELL THUNDERSTORM THAT PRODUCED A TORNADO NEAR ADAMS RUN
REACHED THE WEST ASHLEY AREA OF CHARLESTON AROUND 420 PM AND SPAWNED
A BRIEF TORNADO IN THE AVENDALE NEIGHBORHOOD AROUND 425-430 PM. THE
TORNADO TOUCHED DOWN NEAR THE INTERSECTION OF COBURG ROAD AND
HIGHWAY 17 /SAVANNAH HIGHWAY/...MOVED QUICKLY ACROSS HIGHWAY 17 AND
LIFTED NEAR THE INTERSECTION OF HIGHWAY 17 AND MAGNOLIA ROAD. THE
TORNADO BLEW OUT WINDOWS IN SEVERAL BUSINESSES AND BLEW DOWN SEVERAL
LARGE TREES. SEVERAL BUSINESSES ALSO SUFFERED MINOR STRUCTURAL
DAMAGE. SEVERAL PEOPLE WITNESSED THE TORNADO AS IT MOVED ACROSS
HIGHWAY 17 AND DESCRIBED THE TORNADO AS VERY THIN AND ROPE LIKE.

THE DAMAGE TEAM HAS DETERMINED THAT BASED ON THE SEVERITY OF THE
OBSERVED DAMAGE IN THE WEST ASHLEY AREA THAT THIS TORNADO LIKELY
REACHED THE HIGH END RANGE OF AN F0 TORNADO WITH ESTIMATED WINDS OF
60-70 MPH.

-- TORNADO STATISTICS --
LOCATION... WEST ASHLEY /CITY OF CHARLESTON/ SC
F-SCALE RATING... F0
ESTIMATED WINDS... 60-70 MPH
TORNADO WIDTH... 100 FEET
TORNADO LENGTH... 200-300 YARDS.

THE NATIONAL WEATHER SERVICE IN CHARLESTON WISHES TO THANK THE
CITIZENS OF CHARLESTON COUNTY...THE CHARLESTON BROADCAST AND PRINT
MEDIA AS WELL AS LOCAL EMERGENCY MANAGEMENT OFFICIALS FOR THEIR HELP
THIS AFTERNOON.

$$

ST
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#2 Postby Stormsfury » Sat Apr 15, 2006 8:21 pm

Quick addendum and update after 3 tornadoes were confirmed, now the Charleston WFO confirmed 4 tornadoes in the Charleston area last Saturday

NOUS42 KCHS 141929 AAB
PNSCHS
GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>051-151800-

PUBLIC INFORMATION STATEMENT...UPDATED
NATIONAL WEATHER SERVICE CHARLESTON SC
330 PM EDT FRI APR 14 2006

...NATIONAL WEATHER SERVICE NOW CONFIRMS FOUR TORNADOES IN THE
CHARLESTON METRO AREA...

DAMAGE ASSESSMENT TEAMS FROM THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN CHARLESTON SOUTH CAROLINA SURVEYED DAMAGE THAT OCCURRED
FROM A SEVERE SUPERCELL THUNDERSTORM THAT MOVED THROUGH MUCH OF
CHARLESTON COUNTY AS WELL AS PORTIONS OF SOUTHERN DORCHESTER AND
SOUTHERN BERKELEY COUNTIES BETWEEN 345 PM AND 515 PM ON SATURDAY...
APRIL 8 2006. LARGE HAIL AND DAMAGING WINDS IMPACTED MANY
COMMUNITIES THROUGHOUT THE AREA. SOME OF THE MOST SEVERE DAMAGE
OCCURRED IN THE COMMUNITIES OF ADAMS RUN...WEST ASHLEY...THE NECK
AREA OF THE CHARLESTON PENINSULA AND ON DANIEL ISLAND. TORNADOES
HAVE BEEN CONFIRMED TO HAVE TOUCHED DOWN IN EACH OF THESE AREAS.

...ADAMS RUN - TRACK REVIEW...
A LARGE SUPERCELL THUNDERSTORM MOVED INTO THE WESTERN PORTIONS OF
CHARLESTON COUNTY FROM SOUTHERN COLLETON COUNTY NEAR THE COMMUNITY
OF JACKSONBORO SHORTLY AFTER 345 PM. THE SUPERCELL MOVED RAPIDLY
EAST AT 45 MPH INTO THE COMMUNITY OF ADAMS RUN BY 350 PM AND
PRODUCED A TORNADO. THE TORNADO INITIALLY TOUCHED DOWN ALONG
WILLTOWN ROAD NEAR MINNIE HUGHS ELEMENTARY SCHOOL SHORTLY BEFORE
355 PM. HERE THE TORNADO BLEW DOWN AND SNAPPED POWERLINES AND
NUMEROUS LARGE TREES INCLUDING SEVERAL LARGE GRAND OAKS. HIGH WINDS
ASSOCIATED WITH THE TORNADO ALSO PARTIALLY COLLAPSED A HOUSE...
POSSIBLY INJURING ONE PERSON INSIDE. THE TORNADO CONTINUED TO MOVE
EAST AND CROSSED HIGHWAY 174 JUST NORTH OF THE INTERSECTION WITH
MOFFETT ROAD. HERE SEVERAL LARGE GRAND OAKS WERE SNAPPED AND
UPROOTED. THE TORNADO THEN MOVED INTO AN OPEN FARM FIELD WHERE
IT DAMAGED MORE TREES. THE TORNADO FINALLY MOVED ACROSS TOOGOODOO
ROAD NEAR THE INTERSECTION OF OAKVILLE ROAD AND SLIGHTLY DAMAGED
SEVERAL HOMES BEFORE LIFTING.

THE DAMAGE TEAM HAS DETERMINED THAT BASED ON THE SEVERITY OF
OBSERVED DAMAGE IN THE ADAMS RUN AREA THAT THIS TORNADO REACHED THE
HIGH END RANGE OF AN F1 TORNADO WITH ESTIMATED WINDS OF 100-110 MPH.

-- TORNADO STATISTICS --
LOCATION... ADAMS RUN SC
F-SCALE RATING... F1
ESTIMATED WINDS... 100-110 MPH
TORNADO WIDTH... 200-300 FT
TORNADO LENGTH... 2.5 MILES
INITIAL TOUCHDOWN TIME... 353 PM EDT

...WEST ASHLEY /CITY OF CHARLESTON/ - TRACK REVIEW...
THE SUPERCELL THUNDERSTORM THAT PRODUCED A TORNADO NEAR ADAMS RUN
REACHED THE WEST ASHLEY AREA OF CHARLESTON AROUND 420 PM AND SPAWNED
A BRIEF TORNADO IN THE AVENDALE NEIGHBORHOOD AROUND 425 PM. THE
TORNADO TOUCHED DOWN NEAR THE INTERSECTION OF COBURG ROAD AND
HIGHWAY 17 /SAVANNAH HIGHWAY/...MOVED QUICKLY ACROSS HIGHWAY 17 AND
LIFTED NEAR THE INTERSECTION OF HIGHWAY 17 AND MAGNOLIA ROAD. THE
TORNADO BLEW OUT WINDOWS IN SEVERAL BUSINESSES AND BLEW DOWN SEVERAL
LARGE TREES. SEVERAL BUSINESSES ALSO SUFFERED MINOR STRUCTURAL
DAMAGE. SEVERAL PEOPLE WITNESSED THE TORNADO AS IT MOVED ACROSS
HIGHWAY 17 AND DESCRIBED THE TORNADO AS VERY THIN AND ROPE LIKE.

THE DAMAGE TEAM HAS DETERMINED THAT BASED ON THE SEVERITY OF THE
OBSERVED DAMAGE IN THE WEST ASHLEY AREA THAT THIS TORNADO LIKELY
REACHED THE HIGH END RANGE OF AN F0 TORNADO WITH ESTIMATED WINDS OF
60-70 MPH.

-- TORNADO STATISTICS --
LOCATION... WEST ASHLEY /CITY OF CHARLESTON/ SC
F-SCALE RATING... F0
ESTIMATED WINDS... 60-70 MPH
TORNADO WIDTH... 100 FEET
TORNADO LENGTH... 200-300 YARDS
INITIAL TOUCHDOWN TIME... 425 PM EDT

...DANIEL ISLAND /BERKELEY COUNTY/ - TRACK REVIEW...
THE NORTHERN EXTENT OF THE SUPERCELL THUNDERSTORM MOVED ACROSS
DANIEL ISLAND BETWEEN 420 PM AND 435 PM AND PRODUCED A TORNADO. THE
TORNADO FORMED BETWEEN 420 AND 425 PM JUST NORTH OF THE ISLAND PARK
DRIVE/RIVER LANDING DRIVE INTERSECTION. THE TORNADO MOVED EAST AND
BROKE OUT THE FRONT GLASS DOOR OF A WEST FACING BUSINESS ON ISLAND
PARK DRIVE. NUMEROUS OTHER WEST FACING GLASS DOORS AND WINDOWS WERE
NOT IMPACTED. THE TORNADO THEN MAINLY TRAVELED ACROSS A POND AND A
GRASS COVERED FIELD UPROOTING A COUPLE TREES BEFORE HITTING THE
FAMILY CIRCLE TENNIS CENTER AND THEN LIFTING.

AT THE TENNIS CENTER...TWO VERY LARGE BANNERS WERE SEVERELY
DAMAGED...TWO HEAVY DUTY TENTS WERE TOPPLED...A METAL SUPPORT BEAM
FROM ONE OF THE TENTS WAS SNAPPED IN TWO AND ONE PANEL OF THE TENNIS
CENTER SCOREBOARD WAS DAMAGED. TWO LARGE DRUMS FILLED WITH WATER AND
WEIGHTING ABOUT 300 POUNDS THAT WERE USED TO THE HOLD THE TENTS DOWN
WERE MOVED ABOUT 12 FEET. IN ADDITION...A TEMPORARY LIGHT DISPLAY
DAMAGED A VEHICLE WHEN THE TORNADO KNOCKED IT DOWN ONTO A VEHICLE.

THE DAMAGE TEAM DETERMINED THAT BASED ON THE OBSERVED DAMAGE THAT
THIS TORNADO LIKELY REACHED THE UPPER END OF AN F0 TORNADO WITH
ESTIMATED WINDS OF 60-70 MPH.

-- TORNADO STATISTICS --
LOCATION... DANIEL ISLAND /BERKELEY COUNTY/ SC
F-SCALE RATING... F0
ESTIMATED WINDS... 60-70 MPH
TORNADO WIDTH... 140 FEET
TORNADO LENGTH... 400 YARDS
INITIAL TOUCHDOWN TIME...423 PM EDT

...CHARLESTON NECK AREA /CITY OF CHARLESTON/- TRACK REVIEW...
THE SAME SUPERCELL THUNDERSTORM THAT PRODUCED TORNADOES IN WEST
ASHLEY...ADAMS RUN AND DANIEL ISLAND ALSO SPAWNED A WEAK TORNADO IN
THE NECK AREA OF THE CHARLESTON PENINSULA AROUND 420 PM. THE TORNADO
INITIALLY TOUCHED DOWN NEAR THE DOLPHIN MARINA AND THE LIQUID
TRANSPORT CORPORATION ALONG AUSTIN AVENUE...SEVERAL HUNDRED FEET
FROM THE SHORES OF THE ASHLEY RIVER. HERE SEVERAL TREES WERE BLOWN
DOWN AND A LARGE 10-15 FOOT DECK WAS TORN AWAY FROM A TAILER AND
BLOWN ABOUT 30 FEET UP AGAINST A FENCE. THE TORNADO THEN PROCEEDED
TO CROSS INTERSTATE 26 NEAR THE INTERSECTION OF AUSTIN AVENUE AND
SUMMERVILLE ROAD AND CROSSED MEETING STREET NEAR THE INTERSECTION OF
PITTSBURGH AVENUE. HERE SEVERAL TREES INCLUDING A LARGE GRAND OAK
WERE TWISTED AND SNAPPED. THE KANGAROO GAS STATION ALSO EXPERIENCED
MINOR DAMAGE. THE TORNADO THEN MOVED ACROSS A LARGE CONSTRUCTION
SITE NEAR THE END OF PITTSBURGH AVENUE AND CROSSED SHIPYARD CREEK.
INTERVIEWS WITH SEVERAL WORKERS AT THE CONSTRUCTION SITE SAID
VISIBILITIES DROPPED TO ZERO AS THE TORNADO PICKED UP A CONSIDERABLE
AMOUNT OF DIRT LOCATED ON THE PREMISES. PENNY SIZE HAIL ALSO
OCCURRED AFTER THE TORNADO PASSED. THE TORNADO FINALLY MOVED ACROSS
THE COOPER RIVER MARINA...LOCATED ON THE EXTREME SOUTHERN PORTIONS
OF THE CHARLESTON NAVY BASE...AND DISSIPATED OVER THE EXTREME
SOUTHERN PORTIONS OF DANIEL ISLAND ONCE IT CROSSED THE COOPER RIVER.
THE COOPER RIVER MARINA ASSISTANT MANAGER REPORTED THE TORNADO WAS
ACCOMPANIED BY A LARGE AMOUNT OF DIRT...A LOUD ROARING SOUND AND
PENNY SIZE HAIL. HIGH WINDS ASSOCIATED WITH THE TORNADO BLEW SEVERAL
LARGE PICNIC TABLES ABOUT 15-20 FT...BLEW LARGE DOCK CONTAINERS
/WEIGHTING 50-100 LBS/ INTO THE WATER AND DESTROYED THE MARINA/S
WIND OBSERVING EQUIPMENT. THE WIND EQUIPMENT MEASURED SUSTAINED
WINDS OF 47 MPH BEFORE IT WAS DESTROYED. SEVERAL TREES WERE ALSO
SNAPPED ON THE FAR SOUTHWESTERN SHORES OF DANIEL ISLAND BEFORE THE
TORNADO DISSIPATED.

-- TORNADO STATISTICS --
LOCATION... CHARLESTON SC
F-SCALE RATING... F0
ESTIMATED WINDS... 60-70 MPH
TORNADO WIDTH... 130 FEET
TORNADO LENGTH... 2.5 MILES
INITIAL TOUCHDOWN TIME...420 PM EDT

THE NATIONAL WEATHER SERVICE IN CHARLESTON WISHES TO THANK THE
CITIZENS OF CHARLESTON AND BERKELEY COUNTIES...THE CHARLESTON
BROADCAST AND PRINT MEDIA...LOCAL EMERGENCY MANAGEMENT OFFICIALS...
AND THE FAMILY CIRCLE TENNIS CENTER FOR THEIR ASSISTANCE.

AN EVENT SUMMARY INCLUDING PICTURES OF THE TORNADOES...TRACK MAPS
AND DAMAGE PHOTOS...WILL BE POSTED ON THE NATIONAL WEATHER SERVICE
IN CHARLESTON/S WEBSITE NEXT WEEK.

THE NATIONAL WEATHER SERVICE IS STILL LOOKING FOR ADDITIONAL
REPORTS. IF YOU EXPERIENCED HAIL...DAMAGING WINDS OR OBSERVED A
TORNADO LAST SATURDAY...THE NATIONAL WEATHER SERVICE IN CHARLESTON
WOULD LIKE TO HEAR FROM YOU. PLEASE CALL US TOLL FREE AT 1-888-
383-2024 AND LEAVE A MESSAGE OR YOU CAN EMAIL YOUR REPORTS AND
PICTURES TO CHS.SKYWARN@NOAA.GOV. THANK YOU.

$$

ST/MTE
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#3 Postby SCMedic » Sun Apr 16, 2006 8:42 am

The funny thing is, yesterday on the way to the beach, I got a call from Steven Taylor with the NWS. Apparently he had spoken to Channel 5 about my picture and was calling to talk to me about the location. My picture is of the newer, 4th tornado, because I was facing the opposite end of Daniel Island. He asked me to email him the rest of the pictures and that he would use them in the summary. Pretty cool!


Also: We have a good threat of more severe storms here on Monday afternoon!
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