Alert archive / New York / Special Weather Statements in 2017

Special Weather Statement, NWS Buffalo, NY

September 7, 2017Chautauqua County, New York

NWS Buffalo, NY issued this special weather statement at Sep 7, 2017, 9:11 PM EDT for Chautauqua County, New York. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Sep 7, 2017, 9:11 PM EDT (01:11 UTC)
Expired: Sep 7, 2017, 10:15 PM EDT
In force: 64 min
Issued by: NWS Buffalo, NY

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 98 km from the middle of the area, began a volume at 01:14 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 00:00Z, 1.2 hours before the alert went out and 214 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 151 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 881 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 147 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this special weather statement went out at Sep 7, 7:37 PM EDT, 1 hour 34 minutes earlier.

Area forecast discussion, Sep 7, 7:37 PM EDT, 1 hour 34 minutes before

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Hazardous weather outlook, Sep 7, 7:13 AM EDT, 13 hours 58 minutes before

Hazardous Weather Outlook
National Weather Service Buffalo NY
713 AM EDT Thu Sep 7 2017

NYZ001-003>006-008-011>014-020-021-081115-
Niagara-Monroe-Wayne-Northern Cayuga-Oswego-Lewis-Genesee-Wyoming-
Livingston-Ontario-Cattaraugus-Allegany-
713 AM EDT Thu Sep 7 2017

This Hazardous Weather Outlook is for portions of western and north
central New York.

.DAY ONE...Today and Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

NYZ007-010-019-085-081115-
Jefferson-Northern Erie-Chautauqua-Southern Erie-
713 AM EDT Thu Sep 7 2017

...BEACH HAZARDS STATEMENT IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH THIS EVENING...

This Hazardous Weather Outlook is for portions of western and north
central New York.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Beach Hazards Statement.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

NYZ002-081115-
Orleans-
713 AM EDT Thu Sep 7 2017

...BEACH HAZARDS STATEMENT IN EFFECT FROM 5 PM EDT THIS AFTERNOON
THROUGH THIS EVENING...

This Hazardous Weather Outlook is for portions of western New York.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Beach Hazards Statement.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

LEZ040-041-LOZ042>045-062>065-081115-
Lake Erie nearshore waters from Ripley to Dunkirk-
Lake Erie nearshore waters from Dunkirk to Buffalo-
Lake Ontario nearshore waters from the Niagara River to Hamlin Beach-
Lake Ontario nearshore waters from Hamlin Beach to Sodus Bay-
Lake Ontario nearshore waters from Sodus Bay to Mexico Bay-
Lake Ontario nearshore waters from Mexico Bay to the Saint Lawrence
River-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
Lake Ontario open waters from Sodus Bay to Mexico Bay-
Lake Ontario open waters from Mexico Bay to the Saint Lawrence River-
713 AM EDT Thu Sep 7 2017

This Hazardous Weather Outlook is for portions of Lake Erie and Lake
Ontario.

.DAY ONE...Today and Tonight.

Cool air aloft associated with an upper level trough moving across
the region will create favorable conditions for the development of
waterspouts.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Cool air aloft associated with an upper level trough moving across
the region will create favorable conditions for the development of
waterspouts Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

LEZ020-LOZ030-SLZ022-024-081115-
Upper Niagara River and Buffalo Harbor-Lower Niagara River-
Saint Lawrence River from Cape Vincent to Ogdensburg-
Saint Lawrence River from Ogdensburg to Saint Regis-
713 AM EDT Thu Sep 7 2017

This Hazardous Weather Outlook is for portions of Lake Erie, Lake
Ontario and Saint Lawrence River.

.DAY ONE...Today and Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

In the hours before

Local storm report, Sep 7, 4:10 PM EDT, 5 hours 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
410 PM EDT THU SEP 07 2017

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

0949 AM     WATER SPOUT      4 NNW HENDERSON HARBOR  43.90N  76.23W
09/07/2017                   LOZ045             NY   SOCIAL MEDIA

            WATERSPOUT REPORTED ON SOCIAL MEDIA NEAR HENDERSON BAY.

&&

EVENT NUMBER BUF1701446

APFFEL

Local storm report, Sep 7, 4:17 PM EDT, 4 hours 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
417 PM EDT THU SEP 07 2017

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

1130 AM     HAIL             4 NE BUFFALO            42.95N  78.84W
09/07/2017  M0.50 INCH       ERIE               NY   COOP OBSERVER

            UP TO HALF INCH SIZED HAIL

&&

EVENT NUMBER BUF1701447

SJW

Local storm report, Sep 7, 4:38 PM EDT, 4 hours 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
438 PM EDT THU SEP 07 2017

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

1145 AM     HAIL             1 NW WILLIAMSVILLE      42.97N  78.75W
09/07/2017  M0.50 INCH       ERIE               NY   NWS EMPLOYEE

&&

EVENT NUMBER BUF1701448

APFFEL

Local storm report, Sep 7, 5:17 PM EDT, 3 hours 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
517 PM EDT THU SEP 07 2017

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

1145 AM     WATER SPOUT      11 NNW OSWEGO           43.60N  76.59W
09/07/2017                   LOZ064             NY   TRAINED SPOTTER

&&

EVENT NUMBER BUF1701449

SJW

Special weather statement, Sep 7, 6:33 PM EDT, 2 hours 38 minutes before

Special Weather Statement
National Weather Service Buffalo NY
633 PM EDT THU SEP 7 2017

NYZ006-072300-
Oswego-
633 PM EDT THU SEP 7 2017

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN OSWEGO COUNTY...

At 633 PM EDT, a strong thunderstorm was located near Central Square,
or 16 miles east of Fulton, moving east at 20 mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

Locations impacted include...
Central Square, Hastings, Williamstown, Parish, Kasoag, Amboy Center,
Mallory and Gayville.

This includes Interstate 81 near exit 33.

LAT...LON 4348 7581 4333 7589 4332 7588 4332 7586
      4325 7587 4330 7617 4342 7617 4350 7576
      4347 7576
TIME...MOT...LOC 2233Z 269DEG 18KT 4336 7610

Church

Special weather statement, Sep 7, 7:58 PM EDT, 1 hour 13 minutes before

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The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 7, 8:01 PM EDT	Special Marine Warning	BUF		89 min
Sep 8, 8:19 AM EDT	Special Marine Warning	BUF		56 min

Nearby

Special Weather Statements in New York, 2017 Every special weather statement in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.