Alert archive / New York / Lake Effect Snow Warnings in 2017

Lake Effect Snow Warning 5, NWS Buffalo, NY

February 10, 2017Cayuga County, Monroe County, Wayne County, New York

NWS Buffalo, NY issued this lake effect snow warning at Feb 10, 2017, 4:33 AM EST for Cayuga County, Monroe County, Wayne County, New York. It was in force for 8 hr. 22 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 10, 2017, 4:33 AM EST (09:33 UTC)
Expired
Feb 10, 2017, 12:31 PM EST
In force
8 hr
Issued by
NWS Buffalo, NY

Counties Cayuga County, NY, Monroe County, NY, Wayne County, NY

The radar

The Binghamton radar (KBGM), 132 km from the middle of the area, began a volume at 09:38 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.

What was reported inside it

TimeReportWhereRemark
Feb 10, 5:47 AM ESTSNOW 10Auburn, NYMEDIA REPORT VIA TWITTER
Feb 10, 5:47 AM ESTSNOW 14Port Byron, NYMEDIA REPORT VIA TWITTER
Feb 10, 6:00 AM ESTSNOW 64 W Port Byron, NY24 HOUR SNOWFALL.
Feb 10, 6:00 AM ESTSNOW 6Cayuga, NY24 HOUR SNOWFALL.
Feb 10, 6:23 AM ESTSNOW 8Ontario, NY
Feb 10, 6:35 AM ESTSNOW 13Marion, NY
Feb 10, 6:54 AM ESTSNOW 6Penfield, NYSINCE 1000 PM
Feb 10, 7:00 AM ESTSNOW 136 N Newark, NY
Feb 10, 7:39 AM ESTSNOW 12Newark, NY
Feb 10, 7:40 AM ESTSNOW 61 Ese Irondequoit, NY
Feb 10, 7:54 AM ESTSNOW 11.5Lyons, NY
Feb 10, 8:30 AM ESTSNOW 8Webster, NY
Feb 10, 8:51 AM ESTSNOW 14Williamson, NY
Feb 10, 8:54 AM ESTSNOW 12Walworth, NY
Feb 10, 9:00 AM ESTSNOW 7.52 N Webster, NY
Feb 10, 9:00 AM ESTSNOW 12Wolcott, NY
Feb 10, 9:15 AM ESTSNOW 12Sodus, NY
Feb 10, 9:45 AM ESTSNOW 7Cato, NY
Feb 10, 10:00 AM ESTSNOW 121 Nw Conquest, NY
Feb 10, 10:15 AM ESTSNOW 95 Sw Cato, NY
Feb 10, 11:45 AM ESTSNOW 4.51 Se Ontario Beach, NY
Feb 10, 12:33 PM ESTSNOW 18Lyons, NYTWO REPORTS OF 18 INCHES AS OF 1230PM

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 9.6 hours before the alert went out and 134 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 2017-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2017-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
998 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

080 
WWUS41 KBUF 100933
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
433 AM EST Fri Feb 10 2017

NYZ003>005-101800-
/O.UPG.KBUF.LE.Y.0010.000000T0000Z-170210T1800Z/
/O.NEW.KBUF.LE.W.0005.170210T0933Z-170210T1800Z/
Monroe-Wayne-Northern Cayuga-
Including the cities of Rochester, Newark, and Fair Haven
433 AM EST Fri Feb 10 2017

...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

The National Weather Service in Buffalo has issued a Lake Effect
Snow Warning...which is in effect until 1 PM EST this afternoon.
The Lake Effect Snow Advisory is no longer in effect.

* LOCATIONS...Wayne...mainly far northeastern Monroe...and
  northern Cayuga counties.

* TIMING...Through early this afternoon.

* ACCUMULATIONS...An additional 5 to 10 inches.

* VISIBILITIES...As low as a quarter mile at times.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph.

* IMPACTS...Periods of lake effect snow and blowing snow will 
  produce difficult driving conditions with poor visibility and 
  snow covered roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In lake effect snow the weather can vary from locally heavy snow
in narrow bands to clear skies just a few miles away. If you will
be traveling across the region be prepared for rapid changes in
road and visibility conditions.

Stay tuned to NOAA Weather Radio or your favorite source of
weather information for the latest updates. Additional details
can also be found at www.weather.gov/Buffalo.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4319 7659 4331 7693 4333 7738 4331 7738 
        4336 7770 4326 7763 4320 7743 4302 7662 4302 7650 
        4309 7648 
TIME Y17M02D10T1000Z-Y17M02D10T1800Z

$$

NYZ006-101800-
/O.CON.KBUF.LE.Y.0010.000000T0000Z-170210T1800Z/
Oswego-
Including the city of Oswego
433 AM EST Fri Feb 10 2017

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THIS AFTERNOON...

* LOCATIONS...far southwestern portions of Oswego county.

* TIMING...Through early this afternoon.

* ACCUMULATIONS...An additional inch or two today.

* VISIBILITIES...As low as a half mile at times.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph.

* IMPACTS...Periods of lake effect snow and blowing snow will 
  produce difficult driving conditions with poor visibility and 
  snow covered roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In lake effect snow the weather can vary from locally heavy snow
in narrow bands to clear skies just a few miles away. If you will
be traveling across the region be prepared for rapid changes in
road and visibility conditions.

Stay tuned to NOAA Weather Radio or your favorite source of
weather information for the latest updates. Additional details
can also be found at www.weather.gov/Buffalo.

&&

$$

JJR
3 follow-up statements
456 
WWUS41 KBUF 101127
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
627 AM EST Fri Feb 10 2017

NYZ006-101230-
/O.CAN.KBUF.LE.Y.0010.000000T0000Z-170210T1800Z/
Oswego-
Including the city of Oswego
627 AM EST Fri Feb 10 2017

...LAKE EFFECT SNOW ADVISORY IS CANCELLED...

The National Weather Service in Buffalo has cancelled the Lake
Effect Snow Advisory.

While a few additional snow showers and minor accumulations 
will remain possible across far southwestern portions of the 
county this morning...the threat of more significant lake snows
appears to have ended. Therefore the advisory has been cancelled. 

$$

NYZ003>005-101800-
/O.CON.KBUF.LE.W.0005.000000T0000Z-170210T1800Z/
Monroe-Wayne-Northern Cayuga-
Including the cities of Rochester, Newark, and Fair Haven
627 AM EST Fri Feb 10 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* LOCATIONS...Far northeastern Monroe...Wayne...and northern
  Cayuga counties.

* TIMING...Through early this afternoon.

* ACCUMULATIONS...An additional 3 to 6 inches in the most
  persistent snows today.

* VISIBILITIES...As low as a quarter mile at times.

* WINDS...Northwest 10 to 20 mph with gusts up to 30 mph.

* IMPACTS...Periods of lake effect snow and blowing snow will 
  produce difficult driving conditions with poor visibility and 
  snow covered roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In lake effect snow the weather can vary from locally heavy snow
in narrow bands to clear skies just a few miles away. If you will
be traveling across the region be prepared for rapid changes in
road and visibility conditions.

Stay tuned to NOAA Weather Radio or your favorite source of
weather information for the latest updates. Additional details
can also be found at www.weather.gov/Buffalo.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4319 7659 4331 7693 4333 7738 4331 7738 
        4336 7770 4326 7763 4320 7743 4302 7662 4302 7650 
        4309 7648 
TIME Y17M02D10T1000Z-Y17M02D10T1800Z

$$

JJR
015 
WWUS41 KBUF 101423
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
923 AM EST Fri Feb 10 2017

NYZ003>005-101800-
/O.CON.KBUF.LE.W.0005.000000T0000Z-170210T1800Z/
Monroe-Wayne-Northern Cayuga-
Including the cities of Rochester, Newark, and Fair Haven
923 AM EST Fri Feb 10 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* LOCATIONS...Far northern Monroe...Wayne...and northern Cayuga 
counties.

* TIMING...Through early this afternoon.

* ACCUMULATIONS...Additional 3 to 6 inches today in the most
  persistent snows from Sodus Bay to Cato. An additional 2 to 3
  inches along the Monroe County shore.

* VISIBILITIES...Less than a quarter mile at times.

* WINDS...West 10 to 20 mph.

* IMPACTS...Localized heavy lake effect snow and blowing snow 
  will produce difficult driving conditions with poor visibility 
  and snow covered roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In lake effect snow the weather can vary from locally heavy snow
in narrow bands to clear skies just a few miles away. If you will
be traveling across the region be prepared for rapid changes in
road and visibility conditions.

Stay tuned to NOAA Weather Radio or your favorite source of
weather information for the latest updates. Additional details
can also be found at www.weather.gov/Buffalo.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4319 7659 4331 7693 4333 7738 4331 7738 
        4336 7770 4326 7763 4320 7743 4302 7662 4302 7650 
        4309 7648 
TIME Y17M02D10T1000Z-Y17M02D10T1800Z

$$

HITCHCOCK
785 
WWUS41 KBUF 101731
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1231 PM EST Fri Feb 10 2017

NYZ003>005-101845-
/O.CAN.KBUF.LE.W.0005.000000T0000Z-170210T1800Z/
Monroe-Wayne-Northern Cayuga-
Including the cities of Rochester, Newark, and Fair Haven
1231 PM EST Fri Feb 10 2017

...LAKE EFFECT SNOW WARNING IS CANCELLED...

The National Weather Service in Buffalo has cancelled the Lake
Effect Snow Warning.

Lake effect snow showers will continue to taper off this
afternoon. Any additional accumulation will be an inch or less.

$$

HITCHCOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 5:04 AM ESTSpecial Weather StatementBUFMonroe, Wayne71 min
Feb 10, 6:00 AM ESTSpecial Weather StatementBUFMonroe, Wayne60 min
Feb 10, 7:16 AM ESTSpecial Weather StatementBUFWayne74 min
Feb 10, 8:33 AM ESTSpecial Weather StatementBUFWayne72 min
Feb 10, 2:19 PM ESTWinter Storm WatchBUFAllegany, Cattaraugus, Cayuga, Chautauqua, Erie, Jefferson and 5 more24 hr

Nearby

Lake Effect Snow Warnings in New York, 2017Every lake effect snow warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.