Alert archive / New York / Winter Storm Watches in 2018

Winter Storm Watch 2, NWS Buffalo, NY

January 10, 201816 counties in New York

NWS Buffalo, NY issued this winter storm watch at Jan 10, 2018, 3:03 PM EST for 16 counties in New York. It took effect at Jan 12, 2018, 1:00 PM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 10, 2018, 3:03 PM EST (20:03 UTC)
In effect from
Jan 12, 2018, 1:00 PM EST
Expired
Jan 11, 2018, 2:31 PM EST
In force
Issued by
NWS Buffalo, NY

Counties Allegany County, NY, Cattaraugus County, NY, Cayuga County, NY, Chautauqua County, NY, Erie County, NY, Genesee County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Wayne County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 20:03 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.1 hours before the alert went out and 87 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 2018-01-10Temperature 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 12:00Z on 2018-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.193958Sfc1 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
1675 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

772 
WWUS41 KBUF 102003
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
303 PM EST Wed Jan 10 2018

NYZ006>008-110500-
/O.NEW.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
/O.CON.KBUF.WW.Y.0041.180110T2100Z-180111T0600Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
303 PM EST Wed Jan 10 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
THURSDAY...
...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...Freezing rain expected tonight. Heavy snow and mixed
  precipitation is possible Friday night and Saturday. The ice
  will result in difficult travel conditions, including during the
  evening commute. Ice accumulations up to two tenths of an inch 
  are expected tonight. Total snow accumulations of 6 to 12 inches
  and ice accumulations of up to one tenth of an inch are 
  possible.

* WHERE...The Eastern Lake Ontario Region. 

* WHEN...For the Winter Weather Advisory, until 1 AM EST 
  Thursday. For the Winter Storm Watch, from Friday evening 
  through Saturday afternoon.

* ADDITIONAL DETAILS...The freezing rain tonight will mainly
  impact far northern portions of Jefferson County, Lewis County,
  and far northern portions of Oswego county. Temperatures will be
  above freezing near Lake Ontario, including the city of
  Watertown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of freezing rain will result in slick roads. Slow down
and use caution while driving.

Submit ice reports through our website or social media.

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ001-010-110500-
/O.NEW.KBUF.WS.A.0002.180112T1800Z-180113T2100Z/
Niagara-Northern Erie-
Including the cities of Niagara Falls and Buffalo
303 PM EST Wed Jan 10 2018

...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation is possible. Travel 
  will be very difficult to impossible. Total snow accumulations 
  of 6 to 12 inches and ice accumulations of a few hundredths of 
  an inch are possible.

* WHERE...Niagara and Northern Erie counties.

* WHEN...From Friday afternoon through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ002>004-011>014-019-085-110500-
/O.NEW.KBUF.WS.A.0002.180112T2100Z-180113T2100Z/
Orleans-Monroe-Wayne-Genesee-Wyoming-Livingston-Ontario-
Chautauqua-Southern Erie-
Including the cities of Medina, Rochester, Newark, Batavia, 
Warsaw, Geneseo, Canandaigua, Jamestown, Orchard Park, 
and Springville
303 PM EST Wed Jan 10 2018

...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Travel will
  be very difficult to impossible. Total snow accumulations of 8
  to 14 inches and ice accumulations of a tenth of an inch are 
  possible.

* WHERE...Orleans, Monroe, Wayne, Genesee, Wyoming, Livingston, 
  Ontario, Chautauqua, and Southern Erie counties.

* WHEN...From Friday afternoon through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ020-021-110500-
/O.NEW.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Cattaraugus-Allegany-
Including the cities of Olean and Wellsville
303 PM EST Wed Jan 10 2018

...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...Heavy mixed precipitation possible. Travel will be very
  difficult to impossible. Total snow accumulations of 5 to 10 
  inches and ice accumulations of up to one quarter of an inch are
  possible.

* WHERE...Cattaraugus and Allegany counties.

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ005-110500-
/O.NEW.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Northern Cayuga-
Including the city of Fair Haven
303 PM EST Wed Jan 10 2018

...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Travel will
  be very difficult to impossible. Total snow accumulations of 6 
  to 12 inches and ice accumulations of up to one tenth of an inch
  are possible.

* WHERE...Northern Cayuga county.

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

Apffel
6 follow-up statements
758 
WWUS41 KBUF 110000
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
700 PM EST Wed Jan 10 2018

NYZ006>008-110800-
/O.CON.KBUF.WW.Y.0041.000000T0000Z-180111T0600Z/
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
700 PM EST Wed Jan 10 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
THURSDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Freezing rain possible tonight. Heavy snow and mixed
  precipitation is possible Friday night and Saturday. The ice
  could result in difficult travel conditions early this evening.
  Ice accumulations up to one tenth of an inch possible tonight.
  Total snow accumulations of 6 to 12 inches and ice accumulations
  of up to one tenth of an inch are possible Friday night and
  Saturday.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...For the Winter Weather Advisory, until 1 AM EST 
  Thursday. For the Winter Storm Watch, from Friday evening 
  through Saturday afternoon.

* ADDITIONAL DETAILS...The freezing rain tonight will mainly
  impact far northern portions of Jefferson County, Lewis County,
  and far northern portions of Oswego county. Temperatures will be
  above freezing near Lake Ontario, including the city of  
  Watertown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of freezing rain will result in slick roads. Slow down
and use caution while driving.

Submit ice reports through our website or social media.

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ001-010-110800-
/O.CON.KBUF.WS.A.0002.180112T1800Z-180113T2100Z/
Niagara-Northern Erie-
Including the cities of Niagara Falls and Buffalo
700 PM EST Wed Jan 10 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation is possible. Travel
  will be very difficult. Total snow accumulations of 6 to 12 
  inches and ice accumulations of a few hundredths of an inch are 
  possible.

* WHERE...Niagara and Northern Erie counties.

* WHEN...From Friday afternoon through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ002>004-011>014-019-085-110800-
/O.CON.KBUF.WS.A.0002.180112T2100Z-180113T2100Z/
Orleans-Monroe-Wayne-Genesee-Wyoming-Livingston-Ontario-
Chautauqua-Southern Erie-
Including the cities of Medina, Rochester, Newark, Batavia, 
Warsaw, Geneseo, Canandaigua, Jamestown, Orchard Park, 
and Springville
700 PM EST Wed Jan 10 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Travel will
  be very difficult. Total snow accumulations of 8 to 14 inches 
  and ice accumulations of a tenth of an inch are possible.

* WHERE...Orleans, Monroe, Wayne, Genesee, Wyoming, Livingston, 
  Ontario, Chautauqua, and Southern Erie counties.

* WHEN...From Friday afternoon through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ020-021-110800-
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Cattaraugus-Allegany-
Including the cities of Olean and Wellsville
700 PM EST Wed Jan 10 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy mixed precipitation possible. Travel will be very
  difficult. Total snow accumulations of 5 to 10 inches and ice 
  accumulations of up to one quarter of an inch are possible.

* WHERE...Cattaraugus and Allegany counties.

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ005-110800-
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Northern Cayuga-
Including the city of Fair Haven
700 PM EST Wed Jan 10 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Travel will
  be very difficult. Total snow accumulations of 6 to 12 inches 
  and ice accumulations of up to one tenth of an inch are 
  possible.

* WHERE...Northern Cayuga county.

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$
277 
WWUS41 KBUF 110259
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
959 PM EST Wed Jan 10 2018

NYZ006>008-111100-
/O.CON.KBUF.WW.Y.0041.000000T0000Z-180111T0600Z/
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
959 PM EST Wed Jan 10 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
THURSDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Freezing rain possible tonight. Heavy snow and mixed 
  precipitation is possible Friday night and Saturday. The ice 
  could result in difficult travel conditions early this 
  evening. Ice accumulations up to one tenth of an inch possible 
  tonight. Total snow accumulations of 6 to 12 inches and ice 
  accumulations of up to one tenth of an inch are possible 
  Friday night and Saturday.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...For the Winter Weather Advisory, until 1 AM EST 
  Thursday. For the Winter Storm Watch, from Friday evening 
  through Saturday afternoon.

* ADDITIONAL DETAILS...The freezing rain tonight will mainly 
  impact far northern portions of Jefferson County, Lewis County,
   and far northern portions of Oswego county. Temperatures will 
  be above freezing near Lake Ontario, including the city of 
  Watertown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Visibilities will be limited due to blowing snow. Use caution
when traveling, especially in open areas.

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ001-010-111100-
/O.CON.KBUF.WS.A.0002.180112T1800Z-180113T2100Z/
Niagara-Northern Erie-
Including the cities of Niagara Falls and Buffalo
959 PM EST Wed Jan 10 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation is possible. Travel 
  will be very difficult. Total snow accumulations of 6 to 12 
  inches and ice accumulations of a few hundredths of an inch 
  are possible.

* WHERE...Niagara and Northern Erie counties.

* WHEN...From Friday afternoon through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ002>004-011>014-019-085-111100-
/O.CON.KBUF.WS.A.0002.180112T2100Z-180113T2100Z/
Orleans-Monroe-Wayne-Genesee-Wyoming-Livingston-Ontario-
Chautauqua-Southern Erie-
Including the cities of Medina, Rochester, Newark, Batavia, 
Warsaw, Geneseo, Canandaigua, Jamestown, Orchard Park, 
and Springville
959 PM EST Wed Jan 10 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Travel 
  will be very difficult. Total snow accumulations of 8 to 14 
  inches and ice accumulations of a tenth of an inch are 
  possible.

* WHERE...Orleans, Monroe, Wayne, Genesee, Wyoming, Livingston, 
  Ontario, Chautauqua, and Southern Erie counties.

* WHEN...From Friday afternoon through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ020-021-111100-
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Cattaraugus-Allegany-
Including the cities of Olean and Wellsville
959 PM EST Wed Jan 10 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy mixed precipitation possible. Travel will be very 
  difficult. Total snow accumulations of 5 to 10 inches and ice 
  accumulations of up to one quarter of an inch are possible.

* WHERE...Cattaraugus and Allegany counties.

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ005-111100-
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Northern Cayuga-
Including the city of Fair Haven
959 PM EST Wed Jan 10 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Travel 
  will be very difficult. Total snow accumulations of 6 to 12 
  inches and ice accumulations of up to one tenth of an inch are 
  possible.

* WHERE...Northern Cayuga county.

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$
189 
WWUS41 KBUF 110532
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1232 AM EST Thu Jan 11 2018

NYZ006>008-111345-
/O.CAN.KBUF.WW.Y.0041.000000T0000Z-180111T0600Z/
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
1232 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...
...WINTER WEATHER ADVISORY IS CANCELLED...

* WHAT...Heavy snow and mixed precipitation is possible Friday
  night and Saturday. Total snow accumulations of 6 to 12 inches 
  and ice accumulations of up to one tenth of an inch are possible
  Friday night and Saturday.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ001-010-111345-
/O.CON.KBUF.WS.A.0002.180112T1800Z-180113T2100Z/
Niagara-Northern Erie-
Including the cities of Niagara Falls and Buffalo
1232 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation is possible. Travel 
  will be very difficult. Total snow accumulations of 6 to 12 
  inches and ice accumulations of a few hundredths of an inch 
  are possible.

* WHERE...Niagara and Northern Erie counties.

* WHEN...From Friday afternoon through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ002>004-011>014-019-085-111345-
/O.CON.KBUF.WS.A.0002.180112T2100Z-180113T2100Z/
Orleans-Monroe-Wayne-Genesee-Wyoming-Livingston-Ontario-
Chautauqua-Southern Erie-
Including the cities of Medina, Rochester, Newark, Batavia, 
Warsaw, Geneseo, Canandaigua, Jamestown, Orchard Park, 
and Springville
1232 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Travel 
  will be very difficult. Total snow accumulations of 8 to 14 
  inches and ice accumulations of a tenth of an inch are 
  possible.

* WHERE...Orleans, Monroe, Wayne, Genesee, Wyoming, Livingston, 
  Ontario, Chautauqua, and Southern Erie counties.

* WHEN...From Friday afternoon through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ020-021-111345-
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Cattaraugus-Allegany-
Including the cities of Olean and Wellsville
1232 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy mixed precipitation possible. Travel will be very 
  difficult. Total snow accumulations of 5 to 10 inches and ice 
  accumulations of up to one quarter of an inch are possible.

* WHERE...Cattaraugus and Allegany counties.

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ005-111345-
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Northern Cayuga-
Including the city of Fair Haven
1232 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Travel 
  will be very difficult. Total snow accumulations of 6 to 12 
  inches and ice accumulations of up to one tenth of an inch are 
  possible.

* WHERE...Northern Cayuga county.

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$
442 
WWUS41 KBUF 110901
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
401 AM EST Thu Jan 11 2018

NYZ001-010-111715-
/O.CON.KBUF.WS.A.0002.180112T1800Z-180113T2100Z/
Niagara-Northern Erie-
Including the cities of Niagara Falls and Buffalo
401 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Plan on 
  difficult travel conditions. Total snow accumulations of 5 to 9 
  inches and ice accumulations of a few hundredths of an inch are 
  possible.

* WHERE...Niagara and Northern Erie counties.

* WHEN...From Friday afternoon through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ002>004-011>014-019-085-111715-
/O.CON.KBUF.WS.A.0002.180112T2100Z-180113T2100Z/
Orleans-Monroe-Wayne-Genesee-Wyoming-Livingston-Ontario-
Chautauqua-Southern Erie-
Including the cities of Medina, Rochester, Newark, Batavia, 
Warsaw, Geneseo, Canandaigua, Jamestown, Orchard Park, 
and Springville
401 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Plan on 
  difficult travel conditions. Total snow accumulations of 5 to 10
  inches and ice accumulations of around two tenths are possible.

* WHERE...Orleans, Monroe, Wayne, Genesee, Wyoming, Livingston, 
  Ontario, Chautauqua, and Southern Erie counties.

* WHEN...From Friday afternoon through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ020-021-111715-
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Cattaraugus-Allegany-
Including the cities of Olean and Wellsville
401 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Plan on 
  difficult travel conditions. Total snow accumulations of 5 to 10
  inches and ice accumulations of up to two tenths of an inch are
  possible.

* WHERE...Cattaraugus and Allegany counties.

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ005>008-111715-
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Northern Cayuga-Oswego-Jefferson-Lewis-
Including the cities of Fair Haven, Oswego, Watertown, 
and Lowville
401 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Travel will
  be very difficult to impossible. Total snow accumulations of 6 
  to 12 inches and ice accumulations of up to one tenth of an inch
  are possible.

* WHERE...Northern Cayuga, Oswego, Jefferson, and Lewis counties.

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

TMA
616 
WWUS41 KBUF 111453
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
953 AM EST Thu Jan 11 2018

NYZ001-010-112300-
/O.CON.KBUF.WS.A.0002.180112T1800Z-180113T2100Z/
Niagara-Northern Erie-
Including the cities of Niagara Falls and Buffalo
953 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Plan on 
  difficult travel conditions. Total snow accumulations of 5 to 
  9 inches and ice accumulations of a few hundredths of an inch 
  are possible.

* WHERE...Niagara and Northern Erie counties.

* WHEN...From Friday afternoon through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ002>004-011>014-019-085-112300-
/O.CON.KBUF.WS.A.0002.180112T2100Z-180113T2100Z/
Orleans-Monroe-Wayne-Genesee-Wyoming-Livingston-Ontario-
Chautauqua-Southern Erie-
Including the cities of Medina, Rochester, Newark, Batavia, 
Warsaw, Geneseo, Canandaigua, Jamestown, Orchard Park, 
and Springville
953 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Plan on 
  difficult travel conditions. Total snow accumulations of 5 to 
  10 inches and ice accumulations of around two tenths are 
  possible.

* WHERE...Orleans, Monroe, Wayne, Genesee, Wyoming, Livingston, 
  Ontario, Chautauqua, and Southern Erie counties.

* WHEN...From Friday afternoon through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ020-021-112300-
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Cattaraugus-Allegany-
Including the cities of Olean and Wellsville
953 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Plan on 
  difficult travel conditions. Total snow accumulations of 5 to 
  10 inches and ice accumulations of up to two tenths of an inch 
  are possible.

* WHERE...Cattaraugus and Allegany counties.

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$

NYZ005>008-112300-
/O.CON.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
Northern Cayuga-Oswego-Jefferson-Lewis-
Including the cities of Fair Haven, Oswego, Watertown, 
and Lowville
953 AM EST Thu Jan 11 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SATURDAY AFTERNOON...

* WHAT...Heavy snow and mixed precipitation possible. Travel 
  will be very difficult to impossible. Total snow accumulations 
  of 6 to 12 inches and ice accumulations of up to one tenth of 
  an inch are possible.

* WHERE...Northern Cayuga, Oswego, Jefferson, and Lewis counties.

* WHEN...From Friday evening through Saturday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Begin needed preparations at home or with your vehicle. Travel
may become difficult, so plan accordingly.

&&

$$
042 
WWUS41 KBUF 111931
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
231 PM EST Thu Jan 11 2018

NYZ001-010-120345-
/O.UPG.KBUF.WS.A.0002.180112T1800Z-180113T2100Z/
/O.NEW.KBUF.WS.W.0001.180112T1800Z-180113T1800Z/
Niagara-Northern Erie-
Including the cities of Niagara Falls and Buffalo
231 PM EST Thu Jan 11 2018

...WINTER STORM WARNING IN EFFECT FROM 1 PM FRIDAY TO 1 PM EST
SATURDAY...

* WHAT...Rain changing to freezing rain and sleet Friday
  afternoon, then heavy snow expected Friday evening through
  Saturday morning. Plan on difficult travel conditions, 
  including a slippery Friday evening commute. Total snow 
  accumulations of 6 to 10 inches and ice accumulations of around 
  one tenth of an inch are expected.

* WHERE...Niagara and Northern Erie counties.

* WHEN...From 1 PM Friday to 1 PM EST Saturday.

* ADDITIONAL DETAILS...Be prepared for a widespread, heavy and wet
  snowfall that will create difficult travel conditions across the
  region. The rain and freezing rain at the onset of the event, 
  followed by heavy snowfall, will create extra slippery travel 
  conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ019-085-120345-
/O.UPG.KBUF.WS.A.0002.180112T2100Z-180113T2100Z/
/O.NEW.KBUF.WS.W.0001.180112T1800Z-180113T1800Z/
Chautauqua-Southern Erie-
Including the cities of Jamestown, Orchard Park, and Springville
231 PM EST Thu Jan 11 2018

...WINTER STORM WARNING IN EFFECT FROM 1 PM FRIDAY TO 1 PM EST
SATURDAY...

* WHAT...Rain changing to freezing rain and sleet Friday
  afternoon, then heavy snow expected Friday evening through
  Saturday morning. Travel will be very difficult, including a
  slippery Friday evening commute. Total snow accumulations of 6
  to 12 inches and ice accumulations of up to one tenth of an 
  inch are expected.

* WHERE...Chautauqua and Southern Erie counties.

* WHEN...From 1 PM Friday to 1 PM EST Saturday.

* ADDITIONAL DETAILS...Be prepared for a widespread, heavy and wet
  snowfall that will create difficult travel conditions across the
  region. The rain and freezing rain at the onset of the event,
  followed by heavy snowfall, will create extra slippery travel
  conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ020-021-120345-
/O.UPG.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
/O.NEW.KBUF.WS.W.0001.180112T1800Z-180113T1800Z/
Cattaraugus-Allegany-
Including the cities of Olean and Wellsville
231 PM EST Thu Jan 11 2018

...WINTER STORM WARNING IN EFFECT FROM 1 PM FRIDAY TO 1 PM EST
SATURDAY...

* WHAT...Rain changing to freezing rain and sleet Friday
  afternoon, then heavy snow expected Friday evening through
  Saturday morning. Travel will be very difficult, including a 
  slippery Friday evening commute. Total snow accumulations of 7 
  to 14 inches and ice accumulations of up to two tenths of an 
  inch are expected.

* WHERE...Cattaraugus and Allegany counties.

* WHEN...From 1 PM Friday to 1 PM EST Saturday.

* ADDITIONAL DETAILS...Be prepared for a widespread, heavy and wet
  snowfall that will create difficult travel conditions across the
  region. The rain and freezing rain at the onset of the event,
  followed by heavy snowfall, will create extra slippery travel
  conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ005-120345-
/O.UPG.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
/O.NEW.KBUF.WS.W.0001.180112T2100Z-180113T2100Z/
Northern Cayuga-
Including the city of Fair Haven
231 PM EST Thu Jan 11 2018

...WINTER STORM WARNING IN EFFECT FROM 4 PM FRIDAY TO 4 PM EST
SATURDAY...

* WHAT...Rain changing to freezing rain and sleet Friday evening,
  then heavy snow expected Friday night through Saturday. Travel
  will be very difficult. Total snow accumulations of 7 to 14 
  inches and ice accumulations of a few hundredths of an inch are 
  expected.

* WHERE...Northern Cayuga county.

* WHEN...From 4 PM Friday to 4 PM EST Saturday.

* ADDITIONAL DETAILS...Be prepared for a widespread, heavy and wet
  snowfall that will create difficult travel conditions across the
  region. The rain and freezing rain at the onset of the event,
  followed by heavy snowfall, will create extra slippery travel
  conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ002>004-011>014-120345-
/O.UPG.KBUF.WS.A.0002.180112T2100Z-180113T2100Z/
/O.NEW.KBUF.WS.W.0001.180112T2100Z-180113T2100Z/
Orleans-Monroe-Wayne-Genesee-Wyoming-Livingston-Ontario-
Including the cities of Medina, Rochester, Newark, Batavia, 
Warsaw, Geneseo, and Canandaigua
231 PM EST Thu Jan 11 2018

...WINTER STORM WARNING IN EFFECT FROM 4 PM FRIDAY TO 4 PM EST
SATURDAY...

* WHAT...Rain changing to freezing rain and sleet Friday evening,
  then heavy snow expected Friday night through Saturday. Travel 
  will be very difficult to impossible. Total snow accumulations 
  of 9 to 17 inches and ice accumulations of around one tenth are 
  expected.

* WHERE...Orleans, Monroe, Wayne, Genesee, Wyoming, Livingston, 
  and Ontario counties.

* WHEN...From 4 PM Friday to 4 PM EST Saturday.

* ADDITIONAL DETAILS...Be prepared for a widespread, heavy and wet
  snowfall that will create difficult travel conditions across the
  region. The rain and freezing rain at the onset of the event,
  followed by heavy snowfall, will create extra slippery travel
  conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ006>008-120345-
/O.UPG.KBUF.WS.A.0002.180112T2300Z-180113T2100Z/
/O.NEW.KBUF.WS.W.0001.180112T2100Z-180113T2100Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
231 PM EST Thu Jan 11 2018

...WINTER STORM WARNING IN EFFECT FROM 4 PM FRIDAY TO 4 PM EST
SATURDAY...

* WHAT...Rain changing to freezing rain and sleet Friday evening,
  then heavy snow expected Friday night through Saturday. Travel
  will be very difficult. Total snow accumulations of 8 to 12 
  inches and ice accumulations of up to one tenth of an inch are 
  expected.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...From 4 PM Friday to 4 PM EST Saturday.

* ADDITIONAL DETAILS...Be prepared for a widespread, heavy and wet
  snowfall that will create difficult travel conditions across the
  region. The rain and freezing rain at the onset of the event,
  followed by heavy snowfall, will create extra slippery travel
  conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

Submit snow and ice reports through our website or social media.

&&

$$

Church

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 9, 8:34 PM ESTFlood WatchBUFAllegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more67 hr
Jan 10, 12:09 PM ESTWinter Weather AdvisoryBUFJefferson, Lewis, Oswego12 hr
Jan 10, 12:46 PM ESTSmall Craft AdvisoryBUF4 days

Nearby

Winter Storm Watches in New York, 2018Every winter storm watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.