PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
518 PM EDT THU SEP 23 2010

...MICROBURST /STRAIGHT LINE WIND DAMAGE/ CONFIRMED NEAR
MUNCY IN LYCOMING COUNTY PENNSYLVANIA...

LOCATION...MUNCY IN LYCOMING COUNTY PENNSYLVANIA
DATE...SEPTEMBER 22 2010
ESTIMATED TIME...440 PM EDT
ESTIMATED MAXIMUM WIND SPEED...80 MPH
* FATALITIES...2

* 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 STATE COLLEGE PA HAS CONFIRMED A
MICROBURST /STRAIGHT LINE WIND DAMAGE/ NEAR MUNCY IN LYCOMING COUNTY
PENNSYLVANIA ON SEPTEMBER 22 2010.

A LONG-TRACKED SEVERE THUNDERSTORM PUSHED ACROSS NORTHERN
PENNSYLVANIA ON WEDNESDAY...PRODUCING OCCASIONAL WIND DAMAGE
ALONG ITS PATH. ONE OF THE MORE CONCENTRATED AREAS OF DAMAGE WAS
ON THE SOUTH SIDE OF MUNCY IN LYCOMING COUNTY. THIS AREA WAS
SURVEYED BY THE NATIONAL WEATHER SERVICE TODAY.

NUMEROUS TREES WERE EITHER UPROOTED OR SNAPPED DURING THE
STORM...CAUSING DAMAGE TO THE ROOFS OF SEVERAL HOMES IN THE
VICINITY OF MUNCY. ADDITIONALLY...THE ROOF OF A CHURCH WAS
PARTIALLY RIPPED OFF BY THE STRONG WINDS. ONE OF THE FALLEN TREES
LANDED ON A VEHICLE...RESULTING IN TWO FATALITIES.

THE STRAIGHT LINE WINDS WERE ESTIMATED TO BE 70-80 MPH BY THE
NATIONAL WEATHER SERVICE SURVEY TEAM. EYEWITNESSES...INCLUDING A
TRAINED SEVERE WEATHER SPOTTER...VERIFIED THE TIME OF OCCURRENCE OF
THE WIND DAMAGE IN MUNCY TO BE AROUND 440 PM.

THIS INFORMATION CAN ALSO BE FOUND ON OUR WEBSITE AT
WEATHER.GOV/CTP.

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.

$$

EVANEGO/LAMBERT