Alert archive / New York / Winter Storm Warnings in 2019

Winter Storm Warning 10, NWS Buffalo, NY

November 10, 201916 counties in New York

NWS Buffalo, NY issued this winter storm warning at Nov 10, 2019, 7:56 PM EST for 16 counties in New York. It took effect at Nov 11, 2019, 8:00 AM EST. It was in force for 25 hr. 57 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
Nov 10, 2019, 7:56 PM EST (00:56 UTC)
In effect from
Nov 11, 2019, 8:00 AM EST
Expired
Nov 12, 2019, 8:59 AM EST
In force
25 hr
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 01:00 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
Nov 11, 3:58 PM ESTSNOW 4Batavia, NY
Nov 11, 4:30 PM ESTSNOW 3.58 E Altmar, NY
Nov 11, 7:00 PM ESTSNOW 3.6Buffalo Airport, NY
Nov 11, 7:00 PM ESTSNOW 4Chili, NY
Nov 11, 7:00 PM ESTSNOW 4.6Rochester Airport, NY
Nov 11, 7:21 PM ESTFREEZING RAIN 0.01Oswego County Airport, NY
Nov 11, 8:00 PM ESTSNOW 4.53 Ese West Seneca, NY
Nov 11, 8:00 PM ESTSNOW 4.83 Ne Webster, NYCO-OP OBSERVER STATION WBSN6 WEBSTER 2NE.
Nov 11, 8:00 PM ESTSNOW 5Youngstown, NY
Nov 11, 8:30 PM ESTSNOW 5.5Gates-North Gates, NY
Nov 11, 9:30 PM ESTSNOW 4.9Depauville, NY
Nov 11, 9:30 PM ESTSNOW 5Marilla, NY
Nov 11, 9:46 PM ESTSNOW 3.82 Wsw Oswego, NYSUNY OSWEGO.
Nov 11, 10:00 PM ESTSNOW 5.51 Wsw Akron, NY
Nov 11, 10:00 PM ESTSNOW 6.31 Nw Williamsville, NY
Nov 11, 10:00 PM ESTSNOW 7Buffalo Airport, NY
Nov 11, 10:01 PM ESTSNOW 61 Ssw Williamsville, NY
Nov 11, 10:40 PM ESTSNOW 6.52.5 Se West Seneca, NY
Nov 11, 11:15 PM ESTSNOW 7.52 Nw Rochester, NY
Nov 11, 11:55 PM ESTSNOW 4.42 Wsw Oswego, NYSUNY OSWEGO.
Nov 12, 1:00 AM ESTSNOW 8.6Rochester Airport, NY
Nov 12, 1:00 AM ESTSNOW 9.4Buffalo Airport, NY
Nov 12, 5:00 AM ESTSNOW 3.61 Nw Constableville, NYCOCORAHS STATION NY-LW-3 CONSTABLEVILLE 1.2 NW.
Nov 12, 5:00 AM ESTSNOW 7.51 Wnw Fredonia, NYCOCORAHS STATION NY-CQ-22 FREDONIA 0.8 WNW.
Nov 12, 5:00 AM ESTSNOW 9.63 Wnw Le Roy, NYCOCORAHS STATION NY-GN-6 STAFFORD 1.8 NE.
Nov 12, 5:24 AM ESTSNOW 6.55 W Constableville, NYCO-OP OBSERVER STATION HGHN6 HIGHMARKET.
Nov 12, 6:00 AM ESTSNOW 6.47 Ene Lyndonville, NYCO-OP OBSERVER STATION KUKN6 LAKESIDE.
Nov 12, 6:00 AM ESTSNOW 91 Wnw Alden, NY
Nov 12, 6:00 AM ESTSNOW 9.31 Ene Medina, NYCO-OP OBSERVER STATION MEDN6 MEDINA.
Nov 12, 6:30 AM ESTSNOW 42 Nw Yorkshire, NY
Nov 12, 6:30 AM ESTSNOW 68 E Altmar, NY
Nov 12, 6:50 AM ESTSNOW 3.51 Ene Dansville, NYCOCORAHS STATION NY-LV-5 DANSVILLE 1.0 ENE.
Nov 12, 6:54 AM ESTSNOW 10.9Buffalo Airport, NYASOS STATION KBUF BUFFALO AIRPORT.
Nov 12, 7:00 AM ESTSNOW 3.44 Sse Lacona, NYCOCORAHS STATION NY-OS-1 LACONA 3.6 SSE.
Nov 12, 7:00 AM ESTSNOW 3.53 Wnw Geneva, NYCO-OP OBSERVER STATION GENN6 GENEVA.
Nov 12, 7:00 AM ESTSNOW 4.32 Ne Honeoye Falls, NYCOCORAHS STATION NY-MR-55 HONEOYE FALLS 1.7 NE.
Nov 12, 7:00 AM ESTSNOW 515 E Altmar, NYCO-OP OBSERVER STATION OCON6 OSCEOLA 1E.
Nov 12, 7:00 AM ESTSNOW 5.69 E Lacona, NYCO-OP OBSERVER STATION RDFN6 REDFIELD 8N.
Nov 12, 7:00 AM ESTSNOW 6.21 Sse Silver Creek, NYCOCORAHS STATION NY-CQ-27 SILVER CREEK 1.0 SSE.
Nov 12, 7:00 AM ESTSNOW 6.82 Ese Lockport, NYCOCORAHS STATION NY-NG-30 LOCKPORT 2.5 ESE.
Nov 12, 7:00 AM ESTSNOW 7.9Clarence Center, NYCOCORAHS STATION NY-ER-151 CLARENCE CENTER 0.2 ESE.
Nov 12, 7:00 AM ESTSNOW 81 Sse Eden, NYCOCORAHS STATION NY-ER-150 EDEN 1.4 SSE.
Nov 12, 7:00 AM ESTSNOW 83 Ese North Boston, NYCOCORAHS STATION NY-ER-65 BOSTON 1.5 NE.
Nov 12, 7:00 AM ESTSNOW 8.14 Ese North Boston, NYCOCORAHS STATION NY-ER-166 BOSTON 2.5 NE.
Nov 12, 7:00 AM ESTSNOW 8.51 Ese Le Roy, NYCO-OP OBSERVER STATION LERN6 LE ROY 1E.
Nov 12, 7:00 AM ESTSNOW 8.51 Ssw Blasdell, NYCOCORAHS STATION NY-ER-60 BLASDELL 1.5 SSW.
Nov 12, 7:00 AM ESTSNOW 9.41 Nw Williamsville, NY
Nov 12, 7:00 AM ESTSNOW 9.52 N Fredonia, NYCO-OP OBSERVER STATION DKKN6 DUNKIRK 1S.
Nov 12, 7:00 AM ESTSNOW 9.63 Wsw Elma Center, NY
Nov 12, 7:00 AM ESTSNOW 10Kenmore, NYCOCORAHS STATION NY-ER-59 KENMORE 0.3 ESE.
Nov 12, 7:00 AM ESTSNOW 10.71 Ne Lockport, NYCOCORAHS STATION NY-NG-12 LOCKPORT 0.8 NE.
Nov 12, 7:00 AM ESTSNOW 10.9Rochester Airport, NY
Nov 12, 7:05 AM ESTSNOW 8.91 Ene Irondequoit, NYCOCORAHS STATION NY-MR-71 ROCHESTER 4.7 NE.
Nov 12, 7:10 AM ESTSNOW 7.82 Ne Youngstown, NYCO-OP OBSERVER STATION YGTN6 YOUNGSTOWN 2 NE.
Nov 12, 7:15 AM ESTSNOW 4.31 Ne Jamestown, NY
Nov 12, 7:16 AM ESTSNOW 91.6 N East Rochester, NYPENFIELD.
Nov 12, 8:00 AM ESTSNOW 9Batavia, 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 00:00Z, 0.9 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 00:00Z on 2019-11-11Temperature 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 2019-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.1939587897117136156Sfc1 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
914 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

855 
WWUS41 KBUF 110056
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
756 PM EST Sun Nov 10 2019

NYZ001-002-010>012-085-110900-
/O.UPG.KBUF.WS.A.0011.191111T1300Z-191112T1100Z/
/O.NEW.KBUF.WS.W.0010.191111T1300Z-191112T1100Z/
Niagara-Orleans-Northern Erie-Genesee-Wyoming-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Warsaw, Orchard Park, and Springville
756 PM EST Sun Nov 10 2019

...WINTER STORM WARNING IN EFFECT FROM 8 AM MONDAY TO 6 AM EST
TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 10
  inches.

* WHERE...The Niagara Frontier. Greatest accumulations expected
  inland from the Buffalo Metro Area. 

* WHEN...From 8 AM Monday to 6 AM EST Tuesday.

* IMPACTS...Travel could be very difficult. Conditions will 
  deteriorate during the day Monday, with the heaviest snowfall 
  rates and worst travel from late Monday afternoon through Monday
  night. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ019>021-110900-
/O.UPG.KBUF.WS.A.0011.191111T1600Z-191112T1100Z/
/O.NEW.KBUF.WS.W.0010.191111T1600Z-191112T1100Z/
Chautauqua-Cattaraugus-Allegany-
Including the cities of Jamestown, Olean, and Wellsville
756 PM EST Sun Nov 10 2019

...WINTER STORM WARNING IN EFFECT FROM 11 AM MONDAY TO 6 AM EST
TUESDAY...

* WHAT...Heavy snow well north of the Pennsylvania line, but with
  mixed precipitation near the border. Total snow accumulations of
  6 to 10 inches northern areas and 3 to 6 inches near the 
  Pennsylvania state line, with ice accumulations of up to a tenth
  of an inch. 

* WHERE...The Western Southern Tier.

* WHEN...From 11 AM Monday to 6 AM EST Tuesday.

* IMPACTS...Travel could be very difficult. Conditions will 
  deteriorate during the day Monday, with the heaviest snowfall 
  rates and worst travel from late Monday afternoon through Monday
  night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

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

&&

$$

NYZ003>005-013-014-110900-
/O.UPG.KBUF.WS.A.0011.191111T1600Z-191112T1400Z/
/O.NEW.KBUF.WS.W.0010.191111T1600Z-191112T1400Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
756 PM EST Sun Nov 10 2019

...WINTER STORM WARNING IN EFFECT FROM 11 AM MONDAY TO 9 AM EST
TUESDAY...

* WHAT...Heavy mixed precipitation expected. Total snow
  accumulations of 6 to 10 inches. Locally higher amounts
  possible.

* WHERE...The Genesee Valley and Northern Finger Lakes.

* WHEN...From 11 AM Monday to 9 AM EST Tuesday.

* IMPACTS...Travel could be very difficult. Conditions will 
  deteriorate during the day Monday, with the heaviest snowfall 
  rates and worst travel from late Monday afternoon through late 
  Monday night.

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>008-110900-
/O.UPG.KBUF.WS.A.0011.191111T1800Z-191112T1400Z/
/O.NEW.KBUF.WS.W.0010.191111T1800Z-191112T1400Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
756 PM EST Sun Nov 10 2019

...WINTER STORM WARNING IN EFFECT FROM 1 PM MONDAY TO 9 AM EST
TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 10
  inches.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...From 1 PM Monday to 9 AM EST Tuesday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

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

&&

$$
6 follow-up statements
763 
WWUS41 KBUF 110856
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
356 AM EST Mon Nov 11 2019

NYZ001-002-010>012-085-111700-
/O.CON.KBUF.WS.W.0010.191111T1300Z-191112T1100Z/
Niagara-Orleans-Northern Erie-Genesee-Wyoming-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Warsaw, Orchard Park, and Springville
356 AM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 6 AM EST TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 
  10 inches.

* WHERE...The Niagara Frontier. Greatest accumulations expected 
  inland from the Buffalo Metro Area.

* WHEN...From 8 AM this morning to 6 AM EST Tuesday.

* IMPACTS...Travel will be very difficult. Conditions will
  deteriorate during the day today, with the heaviest snowfall
  rates and worst travel from late this afternoon through tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ019>021-111700-
/O.CON.KBUF.WS.W.0010.191111T1600Z-191112T1100Z/
Chautauqua-Cattaraugus-Allegany-
Including the cities of Jamestown, Olean, and Wellsville
356 AM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 6 AM EST TUESDAY...

* WHAT...Heavy snow well north of the Pennsylvania line, but 
  with mixed precipitation near the border. Total snow 
  accumulations of 6 to 10 inches northern areas and 3 to 6 
  inches near the Pennsylvania state line, with ice 
  accumulations of up to a tenth of an inch.

* WHERE...The Western Southern Tier.

* WHEN...From 11 AM this morning to 6 AM EST Tuesday.

* IMPACTS...Travel will be very difficult. Conditions will
  deteriorate during the day today, with the heaviest snowfall
  rates and worst travel from late this afternoon through tonight. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

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

&&

$$

NYZ003>005-013-014-111700-
/O.CON.KBUF.WS.W.0010.191111T1600Z-191112T1400Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
356 AM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 9 AM EST TUESDAY...

* WHAT...Heavy mixed precipitation expected. Total snow 
  accumulations of 6 to 10 inches. Locally higher amounts 
  possible.

* WHERE...The Genesee Valley and Northern Finger Lakes.

* WHEN...From 11 AM this morning to 9 AM EST Tuesday.

* IMPACTS...Travel will be very difficult. Conditions will
  deteriorate during the day today, with the heaviest snowfall
  rates and worst travel from late this afternoon through late
  tonight.

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>008-111700-
/O.CON.KBUF.WS.W.0010.191111T1800Z-191112T1400Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
356 AM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 9 AM EST TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 
  10 inches.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...From 1 PM this afternoon to 9 AM EST Tuesday.

* IMPACTS...Travel will be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

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

&&

$$
433 
WWUS41 KBUF 111356
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
856 AM EST Mon Nov 11 2019

NYZ001-002-010>012-085-112200-
/O.CON.KBUF.WS.W.0010.000000T0000Z-191112T1100Z/
Niagara-Orleans-Northern Erie-Genesee-Wyoming-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Warsaw, Orchard Park, and Springville
856 AM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM EST
TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 
  10 inches.

* WHERE...The Niagara Frontier. Greatest accumulations expected 
  inland from the Buffalo Metro Area.

* WHEN...From 8 AM this morning to 6 AM EST Tuesday. The heaviest
  snow is expected from late afternoon through tonight.

* IMPACTS...Travel will be very difficult. Conditions will
  deteriorate during the afternoon and evening as snowfall rates
  increase and temperatures begin to drop.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ019>021-112200-
/O.CON.KBUF.WS.W.0010.191111T1600Z-191112T1100Z/
Chautauqua-Cattaraugus-Allegany-
Including the cities of Jamestown, Olean, and Wellsville
856 AM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM EST
TUESDAY...

* WHAT...Heavy snow well north of the Pennsylvania line, but 
  with mixed precipitation near the border. Total snow 
  accumulations of 6 to 10 inches northern areas and 3 to 6 
  inches near the Pennsylvania state line, with ice 
  accumulations of up to a tenth of an inch.

* WHERE...The Western Southern Tier.

* WHEN...From 11 AM this morning to 6 AM EST Tuesday. the heaviest
  snow is expected from late afternoon through tonight.

* IMPACTS...Travel will be very difficult. Conditions will
  deteriorate during the afternoon and evening as snowfall rates
  increase and temperatures begin to drop.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

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

&&

$$

NYZ003>005-013-014-112200-
/O.CON.KBUF.WS.W.0010.191111T1600Z-191112T1400Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
856 AM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST
TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 10
  inches. Locally higher amounts possible.

* WHERE...The Genesee Valley and Northern Finger Lakes.

* WHEN...From 11 AM this morning to 9 AM EST Tuesday. The heaviest
  snow is expected tonight.

* IMPACTS...Travel will be very difficult. Conditions will
  deteriorate during the late afternoon and evening as snowfall 
  rates increase and temperatures begin to drop.

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>008-112200-
/O.CON.KBUF.WS.W.0010.191111T1800Z-191112T1400Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
856 AM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 9 AM EST TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 
  10 inches.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...From 1 PM this afternoon to 9 AM EST Tuesday.

* IMPACTS...Travel will be very difficult. Conditions will
  deteriorate tonight as snowfall rates increase, with the worst
  travel conditions lasting through the Tuesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

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

&&

$$

Hitchcock
817 
WWUS41 KBUF 111923
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
223 PM EST Mon Nov 11 2019

NYZ001-002-010>012-085-120330-
/O.CON.KBUF.WS.W.0010.000000T0000Z-191112T1100Z/
Niagara-Orleans-Northern Erie-Genesee-Wyoming-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Warsaw, Orchard Park, and Springville
223 PM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM EST
TUESDAY...

* WHAT...Heavy snow occuring. Total snow accumulations of 7 to 11
  inches.

* WHERE...The Niagara Frontier. Greatest accumulations expected 
  inland from the Buffalo Metro Area.

* WHEN...Through 6 AM EST Tuesday. The heaviest snow is expected 
  from late afternoon through tonight.

* IMPACTS...Travel will be very difficult. Conditions will 
  deteriorate during the afternoon and evening as snowfall rates 
  increase and temperatures begin to drop.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ019>021-120330-
/O.CON.KBUF.WS.W.0010.000000T0000Z-191112T1100Z/
Chautauqua-Cattaraugus-Allegany-
Including the cities of Jamestown, Olean, and Wellsville
223 PM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM EST
TUESDAY...

* WHAT...Heavy snow well north of the Pennsylvania line, but 
  with mixed precipitation near the border. Total snow 
  accumulations of 6 to 10 inches northern areas and 3 to 6 
  inches near the Pennsylvania state line, with ice 
  accumulations of up to a tenth of an inch.

* WHERE...The Western Southern Tier.

* WHEN...Through 6 AM EST Tuesday. the heaviest snow is expected 
  from late afternoon through tonight.

* IMPACTS...Travel will be very difficult. Conditions will 
  deteriorate during the afternoon and evening as snowfall rates 
  increase and temperatures begin to drop.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

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

&&

$$

NYZ003>005-013-014-120330-
/O.CON.KBUF.WS.W.0010.000000T0000Z-191112T1400Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
223 PM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST
TUESDAY...

* WHAT...Heavy snow occuring. Total snow accumulations of 7 to 12
  inches.

* WHERE...The Genesee Valley and Northern Finger Lakes.

* WHEN...From 11 AM this morning to 9 AM EST Tuesday. The 
  heaviest snow is expected tonight.

* IMPACTS...Travel will be very difficult. Conditions will
  deteriorate during the afternoon and evening as snowfall rates 
  increase and temperatures begin to drop.

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>008-120330-
/O.CON.KBUF.WS.W.0010.000000T0000Z-191112T1400Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
223 PM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST
TUESDAY...

* WHAT...Heavy snow occuring. Total snow accumulations of 7 to 11
  inches.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...Through 9 AM EST Tuesday. The heaviest snow is expected
  tonight.

* IMPACTS...Travel will be very difficult. Conditions will 
  deteriorate tonight as snowfall rates increase, with the worst 
  travel conditions lasting through the Tuesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

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

&&

$$

Hitchcock
783 
WWUS41 KBUF 120306
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1006 PM EST Mon Nov 11 2019

NYZ001-002-010>012-085-121100-
/O.CON.KBUF.WS.W.0010.000000T0000Z-191112T1100Z/
Niagara-Orleans-Northern Erie-Genesee-Wyoming-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Warsaw, Orchard Park, and Springville
1006 PM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM EST
TUESDAY...

* WHAT...Heavy snow occuring. Total snow accumulations of 6 to 11
  inches.

* WHERE...The Niagara Frontier. Greatest accumulations expected 
  inland from the Buffalo Metro Area.

* WHEN...Through 6 AM EST Tuesday. The heaviest snow is expected 
  from late afternoon through tonight.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ019>021-121100-
/O.CON.KBUF.WS.W.0010.000000T0000Z-191112T1100Z/
Chautauqua-Cattaraugus-Allegany-
Including the cities of Jamestown, Olean, and Wellsville
1006 PM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM EST
TUESDAY...

* WHAT...Heavy snow well north of the Pennsylvania line, but with
  mixed precipitation near the border. Total snow accumulations of
  5 to 10 inches northern areas and 3 to 5 inches near the 
  Pennsylvania state line, with ice accumulations of up to a tenth
  of an inch.

* WHERE...The Western Southern Tier.

* WHEN...Through 6 AM EST Tuesday. the heaviest snow is expected 
  from late afternoon through tonight.

* IMPACTS...Plan on slippery road 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.

&&

$$

NYZ003>005-013-014-121115-
/O.CON.KBUF.WS.W.0010.000000T0000Z-191112T1400Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
1006 PM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST
TUESDAY...

* WHAT...Heavy snow occuring. Total snow accumulations of 7 to 
  12 inches.

* WHERE...The Genesee Valley and Northern Finger Lakes.

* WHEN...From 11 AM this morning to 9 AM EST Tuesday. The 
  heaviest snow is expected tonight.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning commute.

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>008-121115-
/O.CON.KBUF.WS.W.0010.000000T0000Z-191112T1400Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
1006 PM EST Mon Nov 11 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST
TUESDAY...

* WHAT...Heavy snow occuring. Total snow accumulations of 7 to 
  11 inches.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...Through 9 AM EST Tuesday. The heaviest snow is expected 
  tonight.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow and ice will create dangerous travel
conditions.

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

&&

$$
968 
WWUS41 KBUF 121054
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
554 AM EST Tue Nov 12 2019

NYZ001-002-010>012-085-121200-
/O.EXP.KBUF.WS.W.0010.000000T0000Z-191112T1100Z/
Niagara-Orleans-Northern Erie-Genesee-Wyoming-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia, 
Warsaw, Orchard Park, and Springville
554 AM EST Tue Nov 12 2019

...WINTER STORM WARNING WILL EXPIRE AT 6 AM EST EARLY THIS
MORNING...

Snow will continue this morning, however only minor additional 
accumulations are expected.

$$

NYZ019>021-121200-
/O.EXP.KBUF.WS.W.0010.000000T0000Z-191112T1100Z/
Chautauqua-Cattaraugus-Allegany-
Including the cities of Jamestown, Olean, and Wellsville
554 AM EST Tue Nov 12 2019

...WINTER STORM WARNING WILL EXPIRE AT 6 AM EST EARLY THIS
MORNING...

Snow will continue this morning, however only minor additional 
accumulations are expected.

$$

NYZ003>005-013-014-121400-
/O.CON.KBUF.WS.W.0010.000000T0000Z-191112T1400Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
554 AM EST Tue Nov 12 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING...

* WHAT...Snow occuring. Additional snow accumulations of 1 to 3
  inches.

* WHERE...The Genesee Valley and northern Finger Lakes.

* WHEN...Until 9 AM EST this morning.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ006>008-121400-
/O.CON.KBUF.WS.W.0010.000000T0000Z-191112T1400Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
554 AM EST Tue Nov 12 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING...

* WHAT...Snow occuring. Additional snow accumulations of 1 to 3
  inches.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...Until 9 AM EST this morning.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$
290 
WWUS41 KBUF 121359
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
859 AM EST Tue Nov 12 2019

NYZ003>008-013-014-121500-
/O.CAN.KBUF.WS.W.0010.000000T0000Z-191112T1400Z/
Monroe-Wayne-Northern Cayuga-Oswego-Jefferson-Lewis-Livingston-
Ontario-
Including the cities of Rochester, Newark, Fair Haven, Oswego, 
Watertown, Lowville, Geneseo, and Canandaigua
859 AM EST Tue Nov 12 2019

...WINTER STORM WARNING IS CANCELLED...

Snow has tapered off to intermittent light lake effect snow this
morning. Any additional accumulation will be less than 2 inches 
today.

$$

Hitchcock

Nearby

Winter Storm Warnings in New York, 2019Every winter storm warning in 2019

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.