TORNADO CONFIRMED IN GOSHEN IN ORANGE COUNTY NY

PUBLIC INFORMATION STATEMENT

  NATIONAL WEATHER SERVICE NEW YORK NY

  600 PM EDT SAT JUL 30 2011

 

  …THE NATIONAL WEATHER SERVICE CONFIRMS A TORNADO AND MICROBURST ON

  JULY 29TH…

 

  …TORNADO CONFIRMED IN GOSHEN IN ORANGE COUNTY NY…

 

  LOCATION…GOSHEN IN ORANGE COUNTY NY

  DATE…JULY 29 2011

  ESTIMATED TIME…457 PM TO 506 PM EDT

  MAXIMUM EF-SCALE RATING…EF1

  ESTIMATED MAXIMUM WIND SPEED…90-100 MPH

  MAXIMUM PATH WIDTH…100 YARDS

  PATH LENGTH…2.1 MILES

  * 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…

  BASED ON A DAMAGE SURVEY PERFORMED BY THE NWS…RADAR

  SIGNATURES…AND EYEWITNESS REPORTS…THE NATIONAL WEATHER SERVICE

  CONFIRMED AN EF-1 TORNADO IN GOSHEN…NY ON FRIDAY JULY 29.

 

  THE TORNADO TOUCHED DOWN NEAR 109 COLEMAN ROAD AND LIFTED NEAR

  600 CRAIGVILLE ROAD. ALL ALONG THIS PATH…TREES CONVERGED INTO A

  WELL DEFINED NARROW PATH. THE MOST SIGNIFICANT PROPERTY DAMAGE

  OCCURRED ON HASBROUCK ROAD…WHERE 2 HOUSES DIRECTLY ACROSS THE

  STREET FROM ONE ANOTHER (AT 101 AND 110 HASBROUCK) WERE IMPACTED.

  AT 101 HASBROUCK ROAD…ROOF SHINGLES WERE TORN OFF…SKYLIGHT

  WINDOWS WERE BLOWN IN WITH GLASS SHATTERING…AND DEBRIS WAS

  EMBEDDED ALL ALONG THE SIDES OF THE HOUSE INCLUDING A SMALL BRANCH

  THAT WENT RIGHT THROUGH A GUTTER. AT 110 HASBROUCK ROAD…TREES WERE

  DRAPED ALL OVER THE HOUSE WITH MINOR STRUCTURAL DAMAGE.

 

  FOR REFERENCE…THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES INTO

  THE FOLLOWING CATEGORIES:

 

  EF0…WIND SPEEDS 65 TO 85 MPH.

  EF1…WIND SPEEDS 86 TO 110 MPH.

  EF2…WIND SPEEDS 111 TO 135 MPH.

  EF3…WIND SPEEDS 136 TO 165 MPH.

  EF4…WIND SPEEDS 166 TO 200 MPH.

  EF5…WIND SPEEDS GREATER THAN 200 MPH.

 

  &&

 

  …MICROBURST /STRAIGHT LINE WIND DAMAGE/ CONFIRMED IN OSSINING IN

  WESTCHESTER COUNTY NY…

 

  LOCATION…OSSINING IN WESTCHESTER COUNTY NY

  DATE…JULY 29 2011

  ESTIMATED TIME…604 PM TO 608 PM EDT

  ESTIMATED MAXIMUM WIND SPEED…80 MPH

  MAXIMUM PATH WIDTH…0.4 MILES

  PATH LENGTH…1.4 MILES

  * 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…

  A DAMAGE SURVEY TEAM CONSISTING OF STAFF FROM THE WESTCHESTER OFFICE

  OF EMERGENCY MANAGEMENT AND METEOROLOGISTS FROM THE NATIONAL WEATHER

  SERVICE CONDUCTED A GROUND AND AREAL SURVEY OF WIND DAMAGE FROM THE

  THUNDERSTORMS FRIDAY EVENING. BASED ON INFORMATION GATHERED DURING

  THE SURVEY AND CONVERSATIONS WITH LOCAL RESIDENCES…THE DAMAGE IS

  BEING ATTRIBUTED TO A MICROBURST. 

 

  DAMAGE FROM THIS DOWNBURST BEGAN ON THE CROTON RIVER ALONG ROUTE 9

  AND SPREAD SOUTH SOUTHEAST TOWARDS CENTRAL OSSINING. THE DAMAGE

  CONSISTED PRIMARILY OF SNAPPED TREES. A LARGE 3-4 FOOT DIAMETER TREE

  FELL ON ROUTE 9 NEAR EAGLE BAY DRIVE TAKING DOWN POWER LINES THAT

  RESULTED IN THE SNAPPING OF SEVERAL TELEPHONE POLES. SIGNIFICANT

  TREE DAMAGE OCCURRED ON CEDAR LANE TERRACE AT NUMBER 6 MEADOWBROOK

  DRIVE. THE TREE DAMAGE WAS NOTED IN A DIVERGENT PATTERN.

 

  NOTE:  AN AREAL SURVEY OF NORTHERN ROCKLAND COUNTY FOUND NO OBSERVED

  DAMAGE.

 

  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/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.

 

  $$

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