Public Information Statement
Issued by NWS Charleston, SC

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000 NOUS42 KCHS 050010 PNSCHS SCZ048-060015- PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 810 PM EDT FRI SEP 4 2015 ...MICROBURST /STRAIGHT LINE WIND DAMAGE/ CONFIRMED SOUTH OF LOBECO IN BEAUFORT COUNTY SOUTH CAROLINA... LOCATION...SOUTH OF LOBECO IN BEAUFORT COUNTY SC DATE...09/04/2015 ESTIMATED TIME...410 PM EDT ESTIMATED MAXIMUM WIND SPEED...70 MPH MAXIMUM PATH WIDTH...300 YARDS PATH LENGTH...350 YARDS BEGINNING LAT/LON...32.540N / -80.748W ENDING LAT/LON...32.534N / -80.754W * FATALITIES...0 * INJURIES...0 * THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO CHANGE PENDING FINAL REVIEW OF THE EVENT(S) AND PUBLICATION IN NWS STORM DATA. ...SUMMARY... THE NATIONAL WEATHER SERVICE IN CHARLESTON SC IN CONJUNCTION WITH BEAUFORT COUNTY EMERGENCY MANAGEMENT HAS CONFIRMED THAT A MICROBURST /STRAIGHT LINE WIND DAMAGE/ OCCURRED ABOUT 1 MILE SOUTHWEST OF LOBECO IN BEAUFORT COUNTY...SOUTH CAROLINA...ON SEPTEMBER 4TH...2015. A SMALL CLUSTER OF THUNDERSTORMS BEGAN TO INTENSIFY NEAR THE EDISTO RIVER AROUND 330 PM EDT. THE STORMS MOVED SOUTHWEST AROUND 20 MPH AND INTENSIFIED AS THEY MOVED OVER THE NORTHERN PORTIONS OF BEAUFORT COUNTY BETWEEN THE COMMUNITIES OF LOBECO AND DALE. THE THUNDERSTORMS RAPIDLY COLLAPSED AS THEY APPROACHED THE HIGHWAY 21 BRIDGE SOUTH OF LOBECO AND PRODUCED DAMAGING WINDS IN A VERY SMALL AREA ALONG THE SOUTHERN SHORES OF THE HARBOR RIVER FROM HIGHWAY 21 WESTWARD ALONG PORTIONS OF SEABROOK ROAD. HIGH WINDS PRODUCED BY THE COLLAPSING THUNDERSTORM UPROOTED AND SNAPPED 10 LARGE WATER OAKS BETWEEN SEABROOK ROAD AND THE HARBOR RIVER AND TWO MOBILE HOMES SUSTAINED DAMAGE. NO INJURIES OR DEATHS OCCURRED. THE DAMAGE PATTERN IS CONSISTENT WITH STRAIGHT LINE WINDS FROM A MICROBURST WITH MAXIMUM SPEEDS AROUND 70 MPH. THERE WERE NO INDICATIONS OF A TORNADO. THIS INFORMATION CAN ALSO BE FOUND ON OUR WEBSITE AT WEATHER.GOV/CHS. FOR REFERENCE... A MICROBURST IS A CONVECTIVE DOWNDRAFT WITH AN AFFECTED OUTFLOW AREA OF LESS THAN 2 1/2 MILES WIDE AND PEAK WINDS LASTING LESS THAN 5 MINUTES. MICROBURSTS MAY INDUCE DANGEROUS HORIZONTAL AND VERTICAL WIND SHEARS...WHICH CAN ADVERSELY AFFECT AIRCRAFT PERFORMANCE AND CAUSE PROPERTY DAMAGE. STRAIGHT-LINE WINDS ARE GENERALLY ANY WIND THAT IS NOT ASSOCIATED WITH ROTATION...USED MAINLY TO DIFFERENTIATE THEM FROM TORNADIC WINDS. $$ ST

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