Pennsylvania, 2007

Damaging Winds in Pennsylvania, October 9, 2007

October 9, 2007 · NWS BGM · 3 events in 3 counties and zones

Scattered showers and thunderstorms formed along a stalled frontal boundary across the area. Some of the storms reached severe levels and produced scattered reports of wind damage.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$4,000
Crop damage
None recorded
Events
3

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS BGM wrote it up.

Scattered showers and thunderstorms formed along a stalled frontal boundary across the area. Some of the storms reached severe levels and produced scattered reports of wind damage.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Binghamton, NY wrote its last area forecast discussion before the first event at Oct 9, 2:10 PM EST, 1 hour 25 minutes earlier.

Area forecast discussion, Oct 9, 2:10 PM EST, 1 hour 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BINGHAMTON NY
310 PM EDT TUE OCT 9 2007

.SYNOPSIS...
A LOW PRESSURE SYSTEM WILL MOVE EAST THROUGH THE AREA THIS EVENING...
BRINGING A LINE OF SHOWERS AND THUNDERSTORMS BEFORE EXITING.
ANOTHER SYSTEM WILL APPROACH WESTERN NEW YORK ON WEDNESDAY WITH
ANOTHER CHANCE FOR A SHOWER DURING THE AFTERNOON. AS AN UPPER
LEVEL LOW CLOSES OFF ACROSS THE OHIO VALLEY...CONTINUED RAIN
CHANCES EXIST FOR THE ENTIRE AREA THROUGH THE END OF THE WEEK.
ANOTHER COLD FRONT WILL MOVE THROUGH ON THURSDAY... BRINGING MORE
AUTUMN LIKE CONDITIONS TO UPSTATE NEW YORK AND NORTHEAST
PENNSYLVANIA. AFTERNOON TEMPERATURES WILL LOWER INTO THE 50S ON
THURSDAY AND REMAIN COOL THROUGH THE WEEKEND.

&&

.NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/...
SFC LOW HAS DEVELOPED AS EXPECTED OVER THE SRN TIER THIS
AFTERNOON. INITIAL SFC FRONT HAS SETTLED IN ACROSS THE HUDSON
VALLEY WITH MAIN SFC BOUNDARY EXTENDING ACROSS FINGER LAKES ATTM.
DWPTS ALONG THIS FRONT ARE IN THE 60S AND CLRNG HAS RESULTED IN
SBCAPES OF 1000-1500 J/KG. LINE OF CONVECTION THAT HAS DEVELOPED
WILL PUSH EAST THIS EVENING AS BOUNDARY MVS THRU. ALL MODELS
INDICATE THIS FEATURE WILL PUSH THRU ENTIRE CWA AFTER 06Z.
THUS...HAVE HIGHEST POPS IN THE WEST THRU APPROX 00Z AND TAPER
THEM DOWN QUICKLY FROM THERE. HEAVIEST RAINFALL LOOKS TO BE ACROSS
ERN ZONES IN ENHANCED AREA OF LIFT WITH AMOUNTS OF UP TO ONE INCH
THRU MORNING.

CUD SEE SOME CLEARING LATE TONIGHT ACROSS WRN ZONES IF CURRENT
SATELLITE TRENDS ARE ANY INDICATION. THIS WILL HAVE LITTLE IMPACT
ON TEMPS TONIGHT AS DRIER AIR WILL TAKE A WHILE TO WORK IN.

&&

.SHORT TERM /6 AM WEDNESDAY MORNING THROUGH THURSDAY/...
SFC LOW SHIFTS EAST UP THE COAST ON WEDNESDAY ALONG WITH INVERTED
TROF AXIS...BRINGING AN END TO PCPN DURING THE DAY. UPPER LOW
DIVES SOUTH INTO UPPER MIDWEST ON WEDNESDAY TO NR DETROIT BY 00Z
THURSDAY PER NAM/GFS/ECMWF. SEVERAL LOWS WILL BE PINWHEELING
AROUND THE NORTHEAST WITH ONE ALONG THE ERN SEABOARD AND ANOTHER
OVR SRN ONTARIO.

H5 LOW DROPPING INTO THE OH VALLEY WILL INDUCE YET ANOTHER SYSTEM
OVR THE DELMARVA WED NIGHT AND FINALLY BEGIN THE TRANSITION TO
MORE AUTUMN-LIKE TEMPS. SUBSUQUENT INVERTED TROF WILL CONTINUE
CHCS FOR SHOWERS THRU THE DAY ON THURSDAY. H8 TEMPS LOWER TO +5C
YIELDING AFTERNOON MAXES ONLY NR 60.

&&

.LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/...
STILL LOOKING FOR A LRG UA LOW TO BE THE DOMINENT PLAYER IN THE
XTNDD PD BUT THE LONG RANGE MODELS CONT TO STRUGGLE TO FIND A
SOLN. OPERATIONAL GFS DROPS THE LOW SOUTH THEN KIND OF FUJIWHARA/S IT
WITH ANOTHER CLSD LOW OVER SERN CANADA. ECMWF IN THE MEANTIME
SIMPLY DROPS THE TO THE MID ATLANTIC CST AND THEN LFTS IT NEWRD
ALONG THE CST. DGEX SEEMS TO BE A BIT OF A COMPROMISE BETWEEN THE
GFS AND ECMWF. IN ANY CASE...FCST AREA IS IN FOR A PD OF COOLER
AND UNSETTLED WX FOR AT LEAST THE FIRST HALF OF THE XTNDD PD.
ALSO...WHILE THE HPC GUID TENDED TO DRY US OUT LATE FRI AND
SAT...BELIEVE THERE WILL BE ENUF INSTABILITY IN THE COLD
AIR...ALONG WITH LAKE DFRNTL FOR CLDS AND SHWRS TO LINGER.

HPC TEMP GUID WAS CLOSE TO ENSEMBLE AND GFS MOS SO SAW LTL REASON
TO CHG...ALTHOUGH IF THE ECMWF IS CORRECT..TEMPS MAY NEED TO BE
BUMPED UP A BIT LTR IN THE PD.

&&

.AVIATION /19Z TUESDAY THROUGH SUNDAY/...
TROF PASSING THRU THE AREA THIS AFTN WILL TRIGGER SCT TRWS THRU
ABT 22Z. XPCT SOME GUSTY WINDS AND BRIEFLY LWRD CIGS AND VSBYS WITH
THE STORMS WHICH SHD PASS QUICKLY. SOME LEFTOVER SHWRS EARLY THIS
EVE FLWD BY YET ANOTHER NIGHT OF LGT WINDS AND ABUNDANT MOISTURE.
XPCT A SLOW LWRG OF CIGS AND VSBYS..INTO THE IFR RANGE AFTER MIDN
AT THE HILL TOP TA/S. XPCT ONLY A SLOW RCVRY TMRW AFT 14Z AS THE
LGT WINDS ARE SLOW TO HELP MIXING.

AN UNSETTLED PATTERN IS FORECAST THIS WEEK. SCATTERED SHOWERS
WILL BE IN THE FORECAST MOST EVERY DAY, WITH LIKELY A BROKEN VFR
CLOUD DECK. HOWEVER THERE WILL BE POTENTIAL FOR OVERNIGHT FOG
FORMATION.

&&

.BGM WATCHES/WARNINGS/ADVISORIES...
PA...NONE.
NY...NONE.

&&

SYNOPSIS...PB
NEAR TERM...PB
SHORT TERM...PB
LONG TERM...DGM
AVIATION...DGM
Hazardous weather outlook, Oct 9, 2:03 PM EST, 1 hour 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BINGHAMTON NY
303 PM EDT TUE OCT 9 2007

NYZ009-015>018-022-036-037-062-PAZ038-043-044-047-048-072-101915-
NORTHERN ONEIDA-YATES-SENECA-SOUTHERN CAYUGA-ONONDAGA-STEUBEN-
MADISON-SOUTHERN ONEIDA-SULLIVAN-BRADFORD-WYOMING-LACKAWANNA-LUZERNE-
PIKE-SOUTHERN WAYNE-
303 PM EDT TUE OCT 9 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW
YORK...SOUTHEASTERN NEW YORK AND NORTHEAST PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL MOVE ACROSS THE AREA THIS AFTERNOON.
AN ISOLATED SEVERE THUNDERSTORM CANNOT BE RULED OUT... WITH THE
MAIN THREAT BEING GUSTY WINDS AND BRIEF HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

NYZ023>025-044>046-055>057-PAZ039-040-101915-
SCHUYLER-CHEMUNG-TOMPKINS-CORTLAND-CHENANGO-OTSEGO-TIOGA-BROOME-
DELAWARE-SUSQUEHANNA-NORTHERN WAYNE-
303 PM EDT TUE OCT 9 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW YORK AND
NORTHEAST PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A LINE OF THUNDERSTORMS WILL MOVE ACROSS THE AREA LATE THIS
AFTERNOON. A FEW STORMS WILL BE SEVERE... WITH DAMAGING WINDS AND
VERY HEAVY DOWNPOURS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

MSE

In the hours before

Special weather statement, Oct 9, 12:28 PM EST, 3 hours 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
128 PM EDT TUE OCT 9 2007

NYZ015-016-022-023-091830-
SCHUYLER NY-SENECA NY-STEUBEN NY-YATES NY-
128 PM EDT TUE OCT 9 2007

...LINE OF STRONG THUNDERSTORMS MOVING INTO THE AREA...

* AT 124 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING SMALL HAIL...
  STRONG GUSTY WINDS...AND VERY HEAVY RAIN.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM VINE VALLEY TO PRATTSBURG TO
  AVOCA...AND MOVING EAST AT 25 MPH.

* STRONG THUNDERSTORMS WILL BE NEAR...
  MIDDLESEX AND WHEELER AT 135 PM EDT...
  ITALY HILL AT 140 PM EDT...
  FRIEND AND POTTER AT 145 PM EDT...
  YATESVILLE AND URBANA AT 150 PM EDT...
  WAYNE AND SONORA AT 155 PM EDT...
  PENN YAN AND MILO MILLS AT 200 PM EDT...
  MILO CENTER AND MAYS MILLS AT 205 PM EDT...
  DRESDEN AND STARKEY AT 210 PM EDT...

THESE STORMS HAVE THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE
HAIL AND/OR DAMAGING WINDS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE
INDOORS IMMEDIATELY

ARNOTT
Special weather statement, Oct 9, 1:32 PM EST, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
232 PM EDT TUE OCT 9 2007

NYZ016>018-025-044-091930-
CAYUGA NY-CORTLAND NY-ONONDAGA NY-SENECA NY-TOMPKINS NY-
232 PM EDT TUE OCT 9 2007

...LINE OF STRONG THUNDERSTORMS MOVING INTO THE AREA...

* AT 231 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING SMALL HAIL...
  STRONG GUSTY WINDS...AND VERY HEAVY RAIN.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM ROMULUS TO INTERLAKEN TO 6
  MILES SOUTH OF CAYWOOD...AND MOVING EAST AT 20 MPH.

* STRONG THUNDERSTORMS WILL BE NEAR...
  CANOGA AND WILLETS AT 240 PM EDT...
  UNION SPRINGS AND LEVANNA AT 245 PM EDT...
  LEDYARD AND KING FERRY AT 250 PM EDT...
  TRUMANSBURG AND LAKE RIDGE AT 255 PM EDT...
  MAPLETON AND VENICE CENTER AT 300 PM EDT...
  FLEMING AND TAUGHANNOCK FALLS AT 305 PM EDT...
  WYCKOFF AND MELROSE PARK AT 310 PM EDT...
  OWASCO AND MYERS AT 315 PM EDT...

THESE STORMS HAVE THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE
HAIL AND/OR DAMAGING WINDS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE
INDOORS IMMEDIATELY

IF ON OR NEAR CAYUGA LAKE...SEEK SHELTER NOW. GET OUT OF THE WATER
AND MOVE INDOORS OR INSIDE A VEHICLE.

ARNOTT
Local storm report, Oct 9, 1:52 PM EST, 1 hour 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
252 PM EDT TUE OCT 09 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0200 PM     TSTM WND DMG     PENN YAN                42.66N 77.05W
10/09/2007                   YATES              NY   LAW ENFORCEMENT

            TREES DOWN AND POWER OUT

0220 PM     TSTM WND DMG     OVID                    42.68N 76.82W
10/09/2007                   SENECA             NY   LAW ENFORCEMENT

            POWER POLE DOWN

&&

TAC
Local storm report, Oct 9, 3:11 PM EST, 24 minutes before
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The radar

The Binghamton radar (KBGM), 47 km away, was scanning. The volume nearest the first event began at 20:36 UTC.

Open the radar archive at this moment

Event by event

3 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Susquehanna

When
October 9, 3:35 PM EST
Where
Susquehanna County, Rush
Measured
50 kt (58 mph) estimated gust
Property damage
$1,000
Reported by
Law Enforcement
Coordinates
41.780, -76.050

Numerous trees were blown down.

Thunderstorm Wind, Lackawanna

When
October 9, 4:15 PM EST
Where
Lackawanna County, 0.86 mi SW of Carbondale
Measured
50 kt (58 mph) estimated gust
Property damage
$2,000
Reported by
County Official
Coordinates
41.570, -75.510

Severe thunderstorm winds knocked down many trees throughout the northern half of Lackawanna County.

Thunderstorm Wind, Wayne

When
October 9, 4:20 PM EST
Where
Wayne County, 0.86 mi NE of Waymart
Measured
50 kt (58 mph) estimated gust
Property damage
$1,000
Reported by
Broadcast Media
Coordinates
41.590, -75.410

Several trees were knocked down.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Pennsylvania in 2007Every state in 2007This day in weather historyWarnings in Pennsylvania, October 2007

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 63859, 63860, 63861.