325
NOUS41 KPHI 041526
PNSPHI
DEZ001>004-MDZ012-015-019-020-NJZ001-007>010-012>027-PAZ054-055-
060>062-070-071-101>106-042030-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1126 AM EDT FRI SEP 4 2026
..SEPTEMBER 1 2026 SEVERE THUNDERSTORM WIND EVENT
ON THE EVENING OF SEPTEMBER 1, 2026, A SEVERE THUNDERSTORM CAUSED
A SWATH OF SIGNIFICANT STRAIGHT LINE WIND DAMAGE FROM WEST
CENTRAL CHESTER COUNTY PA TO NORTHEAST NEW CASTLE COUNTY DE.
AROUND 7:40 PM EDT, THE STORM MOVED INTO CHESTER COUNTY NEAR WEST
SADSBURY TOWNSHIP. SEVERAL TREES WERE UPROOTED AND A FEW SOFTWOOD
TREES WERE SNAPPED IN PARKESBURG, PA AROUND 7:50 PM EDT. ALSO IN
CHESTER COUNTY SIGNIFICANT TREE DAMAGE OCCURRED IN POCOPSON
TOWNSHIP AND SOUTHEAST OF KENNETT SQUARE BETWEEN 8:00 AND 8:20 PM
EDT.
SIGNIFICANT TREE DAMAGE CONTINUED IN HOCKESSIN IN NEW CASTLE
COUNTY DELAWARE WHERE SEVERAL ROADS WERE CLOSED DUE TO DOWNED
TREES. ADDITIONAL REPORTS OF MULTIPLE DOWNED OR SNAPPED TREES CAME
FROM TALLEYVILLE, WILMINGTON, AND NEW CASTLE. THE DAMAGE ACROSS
NEW CASTLE COUNTY OCCURRED BETWEEN 8:15 AND 8:40 PM EDT.
A REVIEW OF PICTURES OF THE DAMAGE AND RADAR DATA DETERMINED THAT
THIS WAS DUE TO STRAIGHT-LINE WINDS. BASED ON THE DEGREE OF
DAMAGE IN BOTH OF THESE COUNTIES, THE ESTIMATED MAXIMUM WIND SPEED
WITH THIS DAMAGE WAS 90 MPH.
THE STORM CONTINUED OVER THE DELAWARE RIVER AND BAY AND INTO SALEM
COUNTY NEW JERSEY AS IT STARTED TO WEAKEN BETWEEN 8:30 AND 9:00 PM.
SPORADIC WIND DAMAGE WAS NOTED IN PENNSVILLE AND SALEM. BASED ON
THE DEGREE OF DAMAGE AND NEARBY OBSERVATIONS, PEAK WIND SPEEDS IN
THESE AREAS WERE AROUND 70 MPH.
THE STORM CONTINUED TO WEAKEN AS IT PROGRESSED FURTHER SOUTH ON
THE DELAWARE BAY THROUGH 10 PM EDT.
NOTE: THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT
TO CHANGE PENDING FINAL REVIEW OF THE EVENTS AND PUBLICATION IN
NWS STORM DATA.
WFO PHI
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