Alert archive / New York / Winter Storm Warnings in 2018

Winter Storm Warning 2, NWS Buffalo, NY

February 6, 201811 counties in New York

NWS Buffalo, NY issued this winter storm warning at Feb 6, 2018, 2:55 PM EST for 11 counties in New York. It took effect at Feb 7, 2018, 4:00 AM EST. It was in force for 14 hr. 12 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 6, 2018, 2:55 PM EST (19:55 UTC)
In effect from
Feb 7, 2018, 4:00 AM EST
Expired
Feb 7, 2018, 5:46 PM EST
In force
14 hr
Issued by
NWS Buffalo, NY

Counties Allegany County, NY, Cattaraugus County, NY, Cayuga County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Monroe County, NY, Ontario County, NY, Oswego County, NY, Wayne County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 127 km from the middle of the area, began a volume at 20:00 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 7, 5:00 AM ESTSNOW 5.3Highmarket, NY24-HOUR SNOWFALL.
Feb 7, 7:00 AM ESTSNOW 8.68 N Redfield, NY24-HOUR SNOWFALL.
Feb 7, 10:30 AM ESTSNOW 3.9S Watertown, NYSNOW FROM 630AM TO 1030AM
Feb 7, 12:00 PM ESTSNOW 6Kill Buck, NY
Feb 7, 1:30 PM ESTSNOW 4Webster, NY
Feb 7, 3:30 PM ESTSNOW 3.5Lima, NY
Feb 7, 4:00 PM ESTSNOW 44 S Greece, NY
Feb 7, 4:00 PM ESTSNOW 52 Ne Bristol Mountain, NY
Feb 7, 4:02 PM ESTSNOW 7.51 Ese Irondequoit, NY
Feb 7, 4:10 PM ESTSNOW 52 N Phelps, NY
Feb 7, 4:30 PM ESTSNOW 5.8Belfast, NY
Feb 7, 4:32 PM ESTSNOW 8.5S Watertown, NY

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 12:00Z, 7.9 hours before the alert went out and 125 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 12:00Z on 2018-02-06Temperature 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 12:00Z on 2018-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.1939587897Sfc1 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
554 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

293 
WWUS41 KBUF 061955
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
255 PM EST Tue Feb 6 2018

NYZ006>008-070400-
/O.UPG.KBUF.WS.A.0003.180207T1100Z-180208T0900Z/
/O.NEW.KBUF.WS.W.0002.180207T0900Z-180208T0900Z/
/O.CON.KBUF.WW.Y.0048.000000T0000Z-180206T2300Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
255 PM EST Tue Feb 6 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...
...WINTER STORM WARNING IN EFFECT FROM 4 AM WEDNESDAY TO 4 AM EST
THURSDAY...

* WHAT...Heavy snow expected. Lake effect snow occurring. Plan on
  difficult travel conditions, including during the morning
  commute on Wednesday. Additional snow accumulations of up to 3
  inches are expected in the lake effect snow band through early 
  this evening. Total snow accumulations from late tonight through
  Wednesday night of 7 to 11 inches are expected.
 
* WHERE...The Eastern Lake Ontario Region.

* WHEN...For the Winter Weather Advisory, until 6 PM EST this
  evening. For the Winter Storm Warning, from 4 AM Wednesday to 4
  AM EST Thursday. 

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$

NYZ003>005-012>014-020-021-070400-
/O.UPG.KBUF.WS.A.0003.180207T1100Z-180208T0900Z/
/O.NEW.KBUF.WS.W.0002.180207T0900Z-180208T0900Z/
Monroe-Wayne-Northern Cayuga-Wyoming-Livingston-Ontario-
Cattaraugus-Allegany-
Including the cities of Rochester, Newark, Fair Haven, Warsaw, 
Geneseo, Canandaigua, Olean, and Wellsville
255 PM EST Tue Feb 6 2018

...WINTER STORM WARNING IN EFFECT FROM 4 AM WEDNESDAY TO 4 AM EST
THURSDAY...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions, including during the morning commute on Wednesday. 
  Total snow accumulations of 7 to 10 inches are expected.

* WHERE...Monroe, Wayne, Northern Cayuga, Wyoming, Livingston, 
  Ontario, Cattaraugus, and Allegany counties.

* WHEN...From 4 AM Wednesday to 4 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ001-002-010-011-019-085-070400-
/O.NEW.KBUF.WW.Y.0049.180207T0900Z-180208T0900Z/
Niagara-Orleans-Northern Erie-Genesee-Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Jamestown, Orchard Park, and Springville
255 PM EST Tue Feb 6 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM WEDNESDAY TO 4 AM
EST THURSDAY...

* WHAT...Snow expected. Plan on difficult travel conditions, 
  including during the morning commute on Wednesday. Total snow 
  accumulations of 4 to 8 inches are expected.

* WHERE...Niagara, Orleans, Erie, Genesee, and Chautauqua 
  counties.

* WHEN...From 4 AM Wednesday to 4 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow will result in snow covered roads and limited
visibilities. Slow down and use caution while driving.

Submit snow reports through our website or social media.

&&

$$
7 follow-up statements
130 
WWUS41 KBUF 062126
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
426 PM EST Tue Feb 6 2018

NYZ006>008-070530-
/O.EXT.KBUF.WW.Y.0048.000000T0000Z-180207T0300Z/
/O.CON.KBUF.WS.W.0002.180207T0900Z-180208T0900Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
426 PM EST Tue Feb 6 2018

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM EST THIS
EVENING...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM WEDNESDAY TO
4 AM EST THURSDAY...

* WHAT...Snow occurring. Heavy snow expected. An additional 2 to 
  4 inches expected through this evening. Then another 6 to 12 
  inches expected early Wednesday morning through late Wednesday 
  night. Travel will be very difficult to impossible, including 
  during the evening commute on Wednesday.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...For the Winter Storm Warning, from 4 AM Wednesday to 4 
  AM EST Thursday. For the Winter Weather Advisory, until 10 PM 
  EST this evening.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

Periods of snow will result in snow covered roads and limited
visibilities. Slow down and use caution while driving.

Submit snow reports through our website or social media.

&&

$$

NYZ003>005-012>014-020-021-070530-
/O.CON.KBUF.WS.W.0002.180207T0900Z-180208T0900Z/
Monroe-Wayne-Northern Cayuga-Wyoming-Livingston-Ontario-
Cattaraugus-Allegany-
Including the cities of Rochester, Newark, Fair Haven, Warsaw, 
Geneseo, Canandaigua, Olean, and Wellsville
426 PM EST Tue Feb 6 2018

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM WEDNESDAY TO
4 AM EST THURSDAY...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions, including during the morning commute on Wednesday. 
  Total snow accumulations of 6 to 10 inches are expected.

* WHERE...Monroe, Wayne, Northern Cayuga, Wyoming, Livingston, 
  Ontario, Cattaraugus, and Allegany counties.

* WHEN...From 4 AM Wednesday to 4 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ001-002-010-011-019-085-070530-
/O.CON.KBUF.WW.Y.0049.180207T0900Z-180208T0900Z/
Niagara-Orleans-Northern Erie-Genesee-Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Jamestown, Orchard Park, and Springville
426 PM EST Tue Feb 6 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM WEDNESDAY
TO 4 AM EST THURSDAY...

* WHAT...Snow expected. Plan on difficult travel conditions, 
  including during the morning commute on Wednesday. Total snow 
  accumulations of 4 to 8 inches are expected.

* WHERE...Niagara, Orleans, Erie, Genesee, and Chautauqua 
  counties.

* WHEN...From 4 AM Wednesday to 4 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow will result in snow covered roads and limited
visibilities. Slow down and use caution while driving.

Submit snow reports through our website or social media.

&&

$$
285 
WWUS41 KBUF 070255
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
955 PM EST Tue Feb 6 2018

NYZ006>008-071100-
/O.CAN.KBUF.WW.Y.0048.000000T0000Z-180207T0300Z/
/O.CON.KBUF.WS.W.0002.180207T0900Z-180208T0900Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
955 PM EST Tue Feb 6 2018

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM WEDNESDAY TO
4 AM EST THURSDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions. Total snow accumulations of 6 to 10 inches are 
  expected.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...From 4 AM Wednesday to 4 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ003>005-012>014-020-021-071100-
/O.CON.KBUF.WS.W.0002.180207T0900Z-180208T0900Z/
Monroe-Wayne-Northern Cayuga-Wyoming-Livingston-Ontario-
Cattaraugus-Allegany-
Including the cities of Rochester, Newark, Fair Haven, Warsaw, 
Geneseo, Canandaigua, Olean, and Wellsville
955 PM EST Tue Feb 6 2018

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM WEDNESDAY TO
4 AM EST THURSDAY...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions. Total snow accumulations of 6 to 10 inches are 
  expected.

* WHERE...Monroe, Wayne, Northern Cayuga, Wyoming, Livingston, 
  Ontario, Cattaraugus, and Allegany counties.

* WHEN...From 4 AM Wednesday to 4 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ001-002-010-011-019-085-071100-
/O.CON.KBUF.WW.Y.0049.180207T0900Z-180208T0900Z/
Niagara-Orleans-Northern Erie-Genesee-Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Jamestown, Orchard Park, and Springville
955 PM EST Tue Feb 6 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM WEDNESDAY
TO 4 AM EST THURSDAY...

* WHAT...Snow expected. Plan on difficult travel conditions, 
  including during the morning commute on Wednesday. Total snow 
  accumulations of 4 to 8 inches are expected.

* WHERE...Niagara, Orleans, Erie, Genesee, and Chautauqua 
  counties.

* WHEN...From 4 AM Wednesday to 4 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow will result in snow covered roads and limited
visibilities. Slow down and use caution while driving.

Submit snow reports through our website or social media.

&&

$$
842 
WWUS41 KBUF 070849
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
349 AM EST Wed Feb 7 2018

NYZ003>008-012>014-020-021-071700-
/O.CON.KBUF.WS.W.0002.180207T0900Z-180208T0900Z/
Monroe-Wayne-Northern Cayuga-Oswego-Jefferson-Lewis-Wyoming-
Livingston-Ontario-Cattaraugus-Allegany-
Including the cities of Rochester, Newark, Fair Haven, Oswego, 
Watertown, Lowville, Warsaw, Geneseo, Canandaigua, Olean, 
and Wellsville
349 AM EST Wed Feb 7 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...

* WHAT...Heavy snow expected. Plan on difficult travel conditions.
  Total snow accumulations of 6 to 10 inches are expected.

* WHERE...Monroe, Wayne, Northern Cayuga, Oswego, Jefferson, 
  Lewis, Wyoming, Livingston, Ontario, Cattaraugus, and Allegany 
  counties.

* WHEN...Until 4 AM EST Thursday.

* ADDITIONAL DETAILS...The period of heaviest snowfall will be
  from this morning through early to mid afternoon. Snowfall rates
  are expected to peak around 1 inch per hour for a few hours
  during this period, which will result in very difficult travel
  and poor visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ001-002-010-011-019-085-071700-
/O.CON.KBUF.WW.Y.0049.180207T0900Z-180208T0900Z/
Niagara-Orleans-Northern Erie-Genesee-Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Jamestown, Orchard Park, and Springville
349 AM EST Wed Feb 7 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...

* WHAT...Snow expected. Plan on difficult travel conditions, 
  including during the morning commute. Total snow accumulations 
  of 4 to 8 inches are expected.

* WHERE...Niagara, Orleans, Erie, Genesee, and Chautauqua 
  counties.

* WHEN...Until 4 AM EST Thursday.

* ADDITIONAL DETAILS...The period of heaviest snowfall will be
  between 7 AM and noon. Snowfall rates are expected to peak near
  1 inch per hour for a few hours during this period, which will
  result in very difficult travel and poor visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow will result in snow covered roads and limited
visibilities. Slow down and use caution while driving.

Submit snow reports through our website or social media.

&&

$$

Church
161 
WWUS41 KBUF 071633
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1133 AM EST Wed Feb 7 2018

NYZ003>008-012>014-020-021-080045-
/O.CON.KBUF.WS.W.0002.000000T0000Z-180208T0900Z/
Monroe-Wayne-Northern Cayuga-Oswego-Jefferson-Lewis-Wyoming-
Livingston-Ontario-Cattaraugus-Allegany-
Including the cities of Rochester, Newark, Fair Haven, Oswego, 
Watertown, Lowville, Warsaw, Geneseo, Canandaigua, Olean, 
and Wellsville
1133 AM EST Wed Feb 7 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions. Total snow accumulations of 6 to 10 inches are 
  expected.

* WHERE...Monroe, Wayne, Northern Cayuga, Oswego, Jefferson, 
  Lewis, Wyoming, Livingston, Ontario, Cattaraugus, and Allegany 
  counties.

* WHEN...Until 4 AM EST Thursday.

* ADDITIONAL DETAILS...The period of heaviest snowfall will be through
  early to mid afternoon. Snowfall rates are expected to peak 
  around 1 inch per hour for a few hours during this period, which
  will result in very difficult travel and poor visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ001-002-010-011-019-085-080045-
/O.CON.KBUF.WW.Y.0049.000000T0000Z-180208T0900Z/
Niagara-Orleans-Northern Erie-Genesee-Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Jamestown, Orchard Park, and Springville
1133 AM EST Wed Feb 7 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...

* WHAT...Snow expected. Plan on difficult travel conditions, 
  including during the morning commute. Total snow accumulations 
  of 4 to 8 inches are expected.

* WHERE...Niagara, Orleans, Erie, Genesee, and Chautauqua 
  counties.

* WHEN...Until 4 AM EST Thursday.

* ADDITIONAL DETAILS...The period of heaviest snowfall will be
  through noon. Snowfall rates are expected to peak near 1 inch 
  per hour for a few hours during this period, which will result 
  in very difficult travel and poor visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow will result in snow covered roads and limited
visibilities. Slow down and use caution while driving.

Submit snow reports through our website or social media.

&&

$$
345 
WWUS41 KBUF 071953
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
253 PM EST Wed Feb 7 2018

NYZ001-002-010-011-019-085-072100-
/O.CAN.KBUF.WW.Y.0049.000000T0000Z-180208T0900Z/
Niagara-Orleans-Northern Erie-Genesee-Chautauqua-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Jamestown, Orchard Park, and Springville
253 PM EST Wed Feb 7 2018

...WINTER WEATHER ADVISORY IS CANCELLED...

Moderate to heavy snow has ended. Light snow will continue through
the afternoon. An additional dusting to a half inch is possible. 

$$

NYZ006>008-080400-
/O.NEW.KBUF.LE.W.0005.180208T1500Z-180209T1800Z/
/O.CON.KBUF.WS.W.0002.000000T0000Z-180208T0900Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
253 PM EST Wed Feb 7 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...
...LAKE EFFECT SNOW WARNING IN EFFECT FROM 10 AM THURSDAY TO 1 PM
EST FRIDAY...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions, including during the evening commute. Additional
  snow accumulations of 3 to 5 inches are expected. Total snow
  accumulations of 6 to 10 inches through tonight. Heavy lake
  effect snow expected Thursday into Friday. Total snow
  accumulations of 8 to 15 inches are expected in the 
  most persistent lake snows.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...For the Winter Storm Warning, until 4 AM EST Thursday. 
  For the Lake Effect Snow Warning, from 10 AM Thursday to 1 PM 
  EST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. Widespread snow will taper off tonight and
  will transition to lake effect snow showers by Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

&&

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...4372 7544 4388 7570 4383 7626 4361 7623 
        4345 7659 4346 7561 
TIME Y18M02D09T0300Z-Y18M02D09T1200Z

$$

NYZ012>014-020-021-080400-
/O.CON.KBUF.WS.W.0002.000000T0000Z-180208T0900Z/
Wyoming-Livingston-Ontario-Cattaraugus-Allegany-
Including the cities of Warsaw, Geneseo, Canandaigua, Olean, 
and Wellsville
253 PM EST Wed Feb 7 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 1 to 2 inches are 
  expected.

* WHERE...Wyoming, Livingston, Ontario, Cattaraugus, and 
  Allegany counties.

* WHEN...Until 4 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ003>005-080400-
/O.CON.KBUF.WS.W.0002.000000T0000Z-180208T0900Z/
Monroe-Wayne-Northern Cayuga-
Including the cities of Rochester, Newark, and Fair Haven
253 PM EST Wed Feb 7 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 1 to 3 inches are 
  expected.

* WHERE...Monroe, Wayne, and Northern Cayuga counties.

* WHEN...Until 4 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. Widespread snow will transition to lake
  effect snow tonight and continue into Thursday morning.
  Accumulating snow is expected within the most persistent lake
  snows.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$
046 
WWUS41 KBUF 072006
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
306 PM EST Wed Feb 7 2018

NYZ006>008-080415-
/O.CON.KBUF.WS.W.0002.000000T0000Z-180208T0900Z/
/O.CON.KBUF.LE.W.0005.180208T1500Z-180209T1800Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
306 PM EST Wed Feb 7 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY
TO 1 PM EST FRIDAY...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions, including during the evening commute. Additional 
  snow accumulations of 3 to 5 inches are expected. Total snow 
  accumulations of 6 to 10 inches through tonight. Heavy lake 
  effect snow expected Thursday into Friday. Total snow 
  accumulations of 8 to 15 inches are expected in the most 
  persistent lake snows.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...For the Winter Storm Warning, until 4 AM EST Thursday. 
  For the Lake Effect Snow Warning, from 10 AM Thursday to 1 PM 
  EST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. Widespread snow will taper off tonight 
  and will transition to lake effect snow showers by Thursday 
  morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

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...4378 7534 4390 7588 4383 7629 4357 7625 
        4343 7667 4324 7648 4320 7587 4348 7581 4342 7550 
TIME Y18M02D08T1500Z-Y18M02D08T2100Z
COORD...4408 7530 4400 7604 4404 7640 4355 7625 
        4349 7588 4369 7529 
TIME Y18M02D08T2100Z-Y18M02D09T0300Z
COORD...4372 7544 4388 7570 4383 7626 4361 7623 
        4345 7659 4346 7561 
TIME Y18M02D09T0300Z-Y18M02D09T1200Z
COORD...4401 7570 4409 7606 4404 7637 4355 7625 
        4357 7562 4376 7555 
TIME Y18M02D09T1200Z-Y18M02D09T1800Z

$$

NYZ012>014-020-021-080415-
/O.CON.KBUF.WS.W.0002.000000T0000Z-180208T0900Z/
Wyoming-Livingston-Ontario-Cattaraugus-Allegany-
Including the cities of Warsaw, Geneseo, Canandaigua, Olean, 
and Wellsville
306 PM EST Wed Feb 7 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 1 to 2 inches are 
  expected.

* WHERE...Wyoming, Livingston, Ontario, Cattaraugus, and 
  Allegany counties.

* WHEN...Until 4 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ003>005-080415-
/O.CON.KBUF.WS.W.0002.000000T0000Z-180208T0900Z/
Monroe-Wayne-Northern Cayuga-
Including the cities of Rochester, Newark, and Fair Haven
306 PM EST Wed Feb 7 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 1 to 3 inches are 
  expected.

* WHERE...Monroe, Wayne, and Northern Cayuga counties.

* WHEN...Until 4 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. Widespread snow will transition to lake 
  effect snow tonight and continue into Thursday morning. 
  Accumulating snow is expected within the most persistent lake 
  snows.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$
458 
WWUS41 KBUF 072246
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
546 PM EST Wed Feb 7 2018

NYZ006>008-080700-
/O.CAN.KBUF.WS.W.0002.000000T0000Z-180208T0900Z/
/O.CON.KBUF.LE.W.0005.180208T1500Z-180209T1800Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
546 PM EST Wed Feb 7 2018

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY
TO 1 PM EST FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Heavy lake effect snow expected. Travel will be very 
  difficult to impossible. Total snow accumulations of 8 to 16 
  inches are expected in the most persistent lake snows.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...From 10 AM Thursday to 1 PM EST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

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...4378 7534 4390 7588 4383 7629 4357 7625 
        4343 7667 4324 7648 4320 7587 4348 7581 4342 7550 
TIME Y18M02D08T1500Z-Y18M02D08T2100Z
COORD...4408 7530 4400 7604 4404 7640 4355 7625 
        4349 7588 4369 7529 
TIME Y18M02D08T2100Z-Y18M02D09T0300Z
COORD...4372 7544 4388 7570 4383 7626 4361 7623 
        4345 7659 4346 7561 
TIME Y18M02D09T0300Z-Y18M02D09T1200Z
COORD...4401 7570 4409 7606 4404 7637 4355 7625 
        4357 7562 4376 7555 
TIME Y18M02D09T1200Z-Y18M02D09T1800Z

$$

NYZ003-080700-
/O.CAN.KBUF.WS.W.0002.000000T0000Z-180208T0900Z/
/O.NEW.KBUF.WW.Y.0050.180207T2246Z-180208T1100Z/
Monroe-
Including the city of Rochester
546 PM EST Wed Feb 7 2018

...WINTER STORM WARNING IS REPLACED BY A WINTER WEATHER ADVISORY 
WHICH IS IN EFFECT UNTIL 6 AM EST THURSDAY...

* WHAT...Lake effect snow expected. Plan on slippery road
  conditions. Additional snow accumulations of 3 to 5 inches are 
  expected in the most persistent lake snows.

* WHERE...Monroe county. The greatest amounts will be across far 
  northern portions of the county near the lakeshore.

* WHEN...Until 6 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$

NYZ004-005-080700-
/O.CAN.KBUF.WS.W.0002.000000T0000Z-180208T0900Z/
/O.NEW.KBUF.WW.Y.0050.180207T2246Z-180208T1500Z/
Wayne-Northern Cayuga-
Including the cities of Newark and Fair Haven
546 PM EST Wed Feb 7 2018

...WINTER STORM WARNING IS REPLACED BY A WINTER WEATHER ADVISORY 
WHICH IS IN EFFECT UNTIL 10 AM EST THURSDAY...

* WHAT...Lake effect snow expected. Plan on slippery road 
  conditions, including during the morning commute on Thursday. 
  Additional snow accumulations of 3 to 6 inches are expected in 
  the most persistent lake snows.

* WHERE...Wayne and Northern Cayuga counties.

* WHEN...Until 10 AM EST Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$

NYZ012>014-020-021-080000-
/O.CAN.KBUF.WS.W.0002.000000T0000Z-180208T0900Z/
Wyoming-Livingston-Ontario-Cattaraugus-Allegany-
Including the cities of Warsaw, Geneseo, Canandaigua, Olean, 
and Wellsville
546 PM EST Wed Feb 7 2018

...WINTER STORM WARNING IS CANCELLED...

Snow showers may result in up to an inch of additional snow
accumulation this evening.

$$

Apffel

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 6, 8:16 AM ESTSpecial Weather StatementBUFJefferson89 min
Feb 6, 10:02 AM ESTSpecial Weather StatementBUFJefferson118 min
Feb 6, 2:55 PM ESTWinter Weather AdvisoryBUFChautauqua, Erie, Genesee, Niagara, Orleans24 hr
Feb 6, 3:50 PM ESTSpecial Weather StatementBUFLewis, Oswego55 min
Feb 6, 4:54 PM ESTSpecial Weather StatementBUFLewis51 min
Feb 6, 6:27 PM ESTSpecial Weather StatementBUFJefferson48 min

Nearby

Winter Storm Warnings in New York, 2018Every winter storm warning in 2018

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.