Alert archive / New York / Winter Storm Warnings in 2021

Winter Storm Warning 2, NWS Buffalo, NY

February 2, 20217 counties in New York

NWS Buffalo, NY issued this winter storm warning at Feb 2, 2021, 2:07 PM EST for 7 counties in New York. It was in force for 20 hr. 46 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 2, 2021, 2:07 PM EST (19:07 UTC)
Expired
Feb 3, 2021, 10:00 AM EST
In force
20 hr
Issued by
NWS Buffalo, NY

Counties Cayuga County, NY, Jefferson County, NY, Lewis County, NY, Monroe County, NY, Ontario County, NY, Oswego County, NY, Wayne County, NY

The radar

The Ft Drum radar (KTYX), 88 km from the middle of the area, began a volume at 19:10 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 2, 2:45 PM ESTSNOW 71 Ese Lacona, NY
Feb 2, 3:20 PM ESTSNOW 5Watertown, NY
Feb 2, 5:30 PM ESTSNOW 7.3Watertown, NY
Feb 2, 6:00 PM ESTSNOW 5.5Geneva, NY
Feb 2, 6:05 PM ESTSNOW 64 Sw Redwood, NY
Feb 2, 6:07 PM ESTSNOW 6Clayton, NY
Feb 2, 6:13 PM ESTSNOW 83 Sse Dexter, NY
Feb 2, 6:15 PM ESTSNOW 10Carthage, NY
Feb 2, 6:15 PM ESTSNOW 114 W West Carthage, NY
Feb 2, 6:30 PM ESTSNOW 4.23 Nne Brighton, NY
Feb 2, 6:45 PM ESTSNOW 12Castorland, NY
Feb 2, 6:50 PM ESTSNOW 12Barnes Corners, NY
Feb 2, 7:00 PM ESTSNOW 7.35 Ene Sodus Point, NY
Feb 2, 7:00 PM ESTSNOW 8Watertown, NY
Feb 2, 7:30 PM ESTSNOW 12Croghan, NY
Feb 2, 8:00 PM ESTSNOW 4.33 Ne Webster, NYCO-OP OBSERVER STATION WBSN6 WEBSTER 2NE.
Feb 2, 9:43 PM ESTSNOW 5.5Auburn, NY
Feb 2, 10:00 PM ESTSNOW 6.21 W Fairport, NY
Feb 2, 10:00 PM ESTSNOW 7.5Henrietta, NY
Feb 2, 10:00 PM ESTSNOW 83 Wsw Walworth, NY
Feb 2, 10:30 PM ESTSNOW 5.53 Ssw Gates-North Gates, NY
Feb 2, 11:21 PM ESTSNOW 5Canandaigua, NY
Feb 2, 11:55 PM ESTSNOW 4.83 W Webster, NYCOCORAHS STATION NY-MR-26 WEBSTER 3.2 W.
Feb 3, 12:40 AM ESTSNOW 10Geneva, NY
Feb 3, 1:00 AM ESTSNOW 6.1Rochester Airport, NYSNOW TOTAL THROUGH 1AM.
Feb 3, 4:00 AM ESTSNOW 111 Nw Constableville, NYCOCORAHS STATION NY-LW-3 CONSTABLEVILLE 1.2 NW.
Feb 3, 6:00 AM ESTSNOW 6.22 Nne Richland, NYCOCORAHS STATION NY-OS-1 LACONA 3.6 SSE.
Feb 3, 6:00 AM ESTSNOW 6.55 N Brantingham, NYCO-OP OBSERVER STATION GFDN6 CHASES LAKE.
Feb 3, 6:00 AM ESTSNOW 7.72 Sse Palermo, NYCOCORAHS STATION NY-OS-16 PHOENIX 7.0 NNE.
Feb 3, 6:00 AM ESTSNOW 85 W Constableville, NYCO-OP OBSERVER STATION HGHN6 HIGHMARKET 2W.
Feb 3, 6:00 AM ESTSNOW 9Fulton, NYCOCORAHS STATION NY-OS-20 FULTON 0.2 W.
Feb 3, 6:00 AM ESTSNOW 9.55 W Constableville, NYCO-OP OBSERVER STATION HGHN6 HIGHMARKET 2W.
Feb 3, 6:23 AM ESTSNOW 9.5Williamson, NYSOCIAL MEDIA REPORT BY BROADCAST MEDIA.
Feb 3, 6:24 AM ESTSNOW 7Penfield, NYSOCIAL MEDIA REPORT BY BROADCAST MEDIA.
Feb 3, 6:25 AM ESTSNOW 101 S Fairport, NYSOCIAL MEDIA REPORT BY BROADCAST MEDIA.
Feb 3, 6:30 AM ESTSNOW 10.32 S Natural Bridge, NY
Feb 3, 6:45 AM ESTSNOW 114 Se Savannah, NY
Feb 3, 7:00 AM ESTSNOW 5.72 Sw Mexico, NYCO-OP OBSERVER STATION MXON6 MEXICO 2SW.
Feb 3, 7:00 AM ESTSNOW 72 Ne Honeoye Falls, NYCOCORAHS STATION NY-MR-55 HONEOYE FALLS 1.7 NE.
Feb 3, 7:00 AM ESTSNOW 8.83 Ene South Bristol, NYCO-OP OBSERVER STATION BRSN6 BRISTOL HARBOUR.
Feb 3, 7:15 AM ESTSNOW 82 Nw Palmyra, NYCOCORAHS STATION NY-WN-6 PALMYRA 1.6 NW.
Feb 3, 7:16 AM ESTSNOW 7.51 Wsw Palmyra, NYCOCORAHS STATION NY-WN-18 MACEDON 2.6 ESE.
Feb 3, 7:45 AM ESTSNOW 8.62 Sse Fairport, NY
Feb 3, 8:00 AM ESTSNOW 7.4Osceola, NYCO-OP OBSERVER STATION OCON6 OSCEOLA.
Feb 3, 8:00 AM ESTSNOW 12Constableville, NYSTORM TOTAL.
Feb 3, 8:15 AM ESTSNOW 151 Ese Lacona, 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, 7.1 hours before the alert went out and 176 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 2021-02-02Temperature 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 2021-02-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939Sfc1 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
1007 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

869 
WWUS41 KBUF 021907
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
207 PM EST Tue Feb 2 2021

NYZ007-008-030300-
/O.UPG.KBUF.WW.Y.0009.000000T0000Z-210203T1500Z/
/O.NEW.KBUF.WS.W.0002.210202T1907Z-210203T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
207 PM EST Tue Feb 2 2021

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM EST WEDNESDAY...

* WHAT...Heavy snow. Additional snow accumulations of 4 to 7
  inches. Winds gusting as high as 40 mph near the Lake Ontario
  shore. The heaviest snow will occur through early this evening.
  Moderate snow is expected at times overnight. 

* WHERE...Jefferson and Lewis counties.

* WHEN...Until 10 AM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ003-013-030300-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-210203T0900Z/
Monroe-Livingston-
Including the cities of Rochester and Geneseo
207 PM EST Tue Feb 2 2021

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

* WHAT...Snow. Additional snow accumulations of 3 to 5 inches.

* WHERE...Monroe and Livingston counties.

* WHEN...Until 4 AM EST Wednesday.

* IMPACTS...Travel will become difficult at times with snow 
  covered roads and poor visibility. The hazardous conditions 
  will impact the evening commute.

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.

&&

$$

NYZ004-005-014-030300-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-210203T1200Z/
Wayne-Northern Cayuga-Ontario-
Including the cities of Newark, Fair Haven, and Canandaigua
207 PM EST Tue Feb 2 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations of 3 to 6 inches. 
  Winds gusting as high as 40 mph.

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

* WHEN...Until 7 AM EST Wednesday.

* IMPACTS...Travel will be difficult at times with snow covered 
  roads and poor visibility. The hazardous conditions will 
  impact the evening commute.

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.

&&

$$

NYZ006-030300-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-210203T1500Z/
Oswego-
Including the city of Oswego
207 PM EST Tue Feb 2 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations of 3 to 5 inches.
  Winds gusting as high as 40 mph near the Lake Ontario shore.

* WHERE...Oswego county.

* WHEN...Until 10 AM EST Wednesday.

* IMPACTS...Travel will be difficult at times with snow covered 
  roads and poor visibility. The hazardous conditions will 
  impact the evening commute.

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.

&&

$$
JLA
6 follow-up statements
362 
WWUS41 KBUF 022245
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
545 PM EST Tue Feb 2 2021

NYZ004-014-030645-
/O.UPG.KBUF.WW.Y.0009.000000T0000Z-210203T1200Z/
/O.EXB.KBUF.WS.W.0002.000000T0000Z-210203T1200Z/
Wayne-Ontario-
Including the cities of Newark and Canandaigua
545 PM EST Tue Feb 2 2021

...WINTER STORM WARNING IN EFFECT UNTIL 7 AM EST WEDNESDAY...

* WHAT...Heavy snow. Additional snow accumulations of 5 to 10 
  inches. Winds gusting as high as 35 mph.

* WHERE...Wayne and Ontario counties.

* WHEN...Until 7 AM EST Wednesday.

* IMPACTS...Travel will be very difficult. The hazardous
  conditions will impact the evening commute and possibly even the
  Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ003-030645-
/O.UPG.KBUF.WW.Y.0009.000000T0000Z-210203T0900Z/
/O.EXB.KBUF.WS.W.0002.000000T0000Z-210203T1200Z/
Monroe-
Including the city of Rochester
545 PM EST Tue Feb 2 2021

...WINTER STORM WARNING IN EFFECT UNTIL 7 AM EST WEDNESDAY...

* WHAT...Heavy snow. Additional snow accumulations of 5 to 9 
  inches.

* WHERE...Monroe county.

* WHEN...Until 7 AM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ007-008-030645-
/O.CON.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
545 PM EST Tue Feb 2 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST
WEDNESDAY...

* WHAT...Heavy snow. Additional snow accumulations of 3 to 6 
  inches.

* WHERE...Jefferson and Lewis counties.

* WHEN...Until 10 AM EST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ002-011-012-030645-
/O.EXB.KBUF.WW.Y.0009.000000T0000Z-210203T1000Z/
Orleans-Genesee-Wyoming-
Including the cities of Medina, Batavia, and Warsaw
545 PM EST Tue Feb 2 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM EST WEDNESDAY...

* WHAT...Snow. Additional snow accumulations of 3 to 6 inches.

* WHERE...Orleans, Genesee, and Wyoming counties.

* WHEN...Until 5 AM EST Wednesday.

* IMPACTS...Plan on slippery snow covered road conditions. The
  hazardous conditions will impact the evening commute.

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.

&&

$$

NYZ013-030645-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-210203T0900Z/
Livingston-
Including the city of Geneseo
545 PM EST Tue Feb 2 2021

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

* WHAT...Snow. Additional snow accumulations of 4 to 8 inches.

* WHERE...Livingston county.

* WHEN...Until 4 AM EST Wednesday.

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

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.

&&

$$

NYZ005-030645-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-210203T1200Z/
Northern Cayuga-
Including the city of Fair Haven
545 PM EST Tue Feb 2 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations of 3 to 5 inches.

* WHERE...Northern Cayuga county.

* WHEN...Until 7 AM EST Wednesday.

* IMPACTS...Plan on slippery snow covered road conditions. The
  hazardous conditions will impact the evening commute.

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.

&&

$$

NYZ006-030645-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-210203T1500Z/
Oswego-
Including the city of Oswego
545 PM EST Tue Feb 2 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations of 3 to 5 inches. 
  Winds gusting as high as 35 mph.

* WHERE...Oswego county.

* WHEN...Until 10 AM EST Wednesday.

* IMPACTS...Plan on slippery snow covered road conditions. The
  hazardous conditions will impact the evening commute.

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.

&&

$$
795 
WWUS41 KBUF 030254
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
954 PM EST Tue Feb 2 2021

NYZ006-031100-
/O.UPG.KBUF.WW.Y.0009.000000T0000Z-210203T1500Z/
/O.EXA.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Oswego-
Including the city of Oswego
954 PM EST Tue Feb 2 2021

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM EST WEDNESDAY...

* WHAT...Heavy snow. Additional snow accumulations of 4 to 7 
  inches. Winds gusting as high as 35 mph.

* WHERE...Oswego county.

* WHEN...Until 10 AM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ005-031100-
/O.UPG.KBUF.WW.Y.0009.000000T0000Z-210203T1200Z/
/O.EXA.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Northern Cayuga-
Including the city of Fair Haven
954 PM EST Tue Feb 2 2021

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM EST WEDNESDAY...

* WHAT...Heavy snow. Additional snow accumulations of 4 to 7 
  inches.

* WHERE...Northern Cayuga county.

* WHEN...Until 10 AM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ007-008-031100-
/O.CON.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
954 PM EST Tue Feb 2 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST
WEDNESDAY...

* WHAT...Heavy snow. Additional snow accumulations of 4 to 8 
  inches.

* WHERE...Jefferson and Lewis counties.

* WHEN...Until 10 AM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ003-004-014-031100-
/O.CON.KBUF.WS.W.0002.000000T0000Z-210203T1200Z/
Monroe-Wayne-Ontario-
Including the cities of Rochester, Newark, and Canandaigua
954 PM EST Tue Feb 2 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Heavy snow. Additional snow accumulations of 3 to 6 
  inches.

* WHERE...Monroe, Wayne, and Ontario counties.

* WHEN...Until 7 AM EST Wednesday.

* IMPACTS...Plan on snow covered roads and difficult driving
  conditions. The hazardous conditions will likely impact the 
  morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ013-030900-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-210203T0900Z/
Livingston-
Including the city of Geneseo
954 PM EST Tue Feb 2 2021

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

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

* WHERE...Livingston county.

* WHEN...Until 4 AM EST Wednesday.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$

NYZ002-011-012-031000-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-210203T1000Z/
Orleans-Genesee-Wyoming-
Including the cities of Medina, Batavia, and Warsaw
954 PM EST Tue Feb 2 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations of up to 2 inches.

* WHERE...Orleans, Genesee, and Wyoming counties.

* WHEN...Until 5 AM EST Wednesday.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$
001 
WWUS41 KBUF 030528
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1228 AM EST Wed Feb 3 2021

NYZ002-011-012-030630-
/O.CAN.KBUF.WW.Y.0009.000000T0000Z-210203T1000Z/
Orleans-Genesee-Wyoming-
Including the cities of Medina, Batavia, and Warsaw
1228 AM EST Wed Feb 3 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Snow will continue to taper off, with additional accumulations
less than an inch.

$$

NYZ007-008-031330-
/O.CON.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
1228 AM EST Wed Feb 3 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Heavy snow. Additional snow accumulations of 4 to 7 
  inches.

* WHERE...Jefferson and Lewis counties.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Travel will be very difficult with snow covered roads
  and poor visibility. The hazardous conditions could impact the 
  morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ003-004-014-031200-
/O.CON.KBUF.WS.W.0002.000000T0000Z-210203T1200Z/
Monroe-Wayne-Ontario-
Including the cities of Rochester, Newark, and Canandaigua
1228 AM EST Wed Feb 3 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...Heavy snow. Additional snow accumulations of 2 to 4 
  inches.

* WHERE...Monroe, Wayne, and Ontario counties.

* WHEN...Until 7 AM EST this morning.

* IMPACTS...Travel will be very difficult with snow covered roads
  and poor visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ005-006-031330-
/O.CON.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Northern Cayuga-Oswego-
Including the cities of Fair Haven and Oswego
1228 AM EST Wed Feb 3 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Heavy snow. Additional snow accumulations of 3 to 6 
  inches.

* WHERE...Northern Cayuga and Oswego counties.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Travel will be very difficult with snow covered roads
  and poor visibility. The hazardous conditions could impact the 
  morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ013-030900-
/O.CON.KBUF.WW.Y.0009.000000T0000Z-210203T0900Z/
Livingston-
Including the city of Geneseo
1228 AM EST Wed Feb 3 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST EARLY
THIS MORNING...

* WHAT...Snow. Additional snow accumulations of 1 to 2 inches.

* WHERE...Livingston county.

* WHEN...Until 4 AM EST early this morning.

* IMPACTS...Plan on snow covered and slippery road conditions and
  reduced 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.

&&

$$

Hitchcock
568 
WWUS41 KBUF 030844
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
344 AM EST Wed Feb 3 2021

NYZ003-030945-
/O.CAN.KBUF.WS.W.0002.000000T0000Z-210203T1200Z/
Monroe-
Including the city of Rochester
344 AM EST Wed Feb 3 2021

...WINTER STORM WARNING IS CANCELLED...

Snow will continue to taper off early this morning. Additional
accumulations will be limited to around an inch across the eastern
portion of the county.

$$

NYZ013-030945-
/O.CAN.KBUF.WW.Y.0009.000000T0000Z-210203T0900Z/
Livingston-
Including the city of Geneseo
344 AM EST Wed Feb 3 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Snow will continue to taper off early this morning. Additional
accumulations will be limited to around an inch.

$$

NYZ007-008-031500-
/O.CON.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
344 AM EST Wed Feb 3 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Heavy snow. Additional snow accumulations of 2 to 4
  inches across lower elevations and 4 to 6 inches across the Tug
  Hill Plateau.

* WHERE...Jefferson and Lewis counties.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Travel will be very difficult with snow covered roads
  and poor visibility. 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.

&&

$$

NYZ004-014-031200-
/O.CON.KBUF.WS.W.0002.000000T0000Z-210203T1200Z/
Wayne-Ontario-
Including the cities of Newark and Canandaigua
344 AM EST Wed Feb 3 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches
  early this morning.

* WHERE...Wayne and Ontario counties.

* WHEN...Until 7 AM EST this morning.

* IMPACTS...Plan on snow covered and slippery road conditions with
  reduced visibility early this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Widespread accumulating snow will create dangerous travel
conditions.

Submit snow reports through our website or social media.

&&

$$

NYZ005-006-031500-
/O.CON.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Northern Cayuga-Oswego-
Including the cities of Fair Haven and Oswego
344 AM EST Wed Feb 3 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Heavy snow. Additional snow accumulations of 2 to 4
  inches across lower elevations and 4 to 6 inches across the Tug
  Hill Plateau.

* WHERE...Northern Cayuga and Oswego counties.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Travel will be very difficult with snow covered roads
  and poor visibility. 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.

&&

$$

Hitchcock
393 
WWUS41 KBUF 031009
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
509 AM EST Wed Feb 3 2021

NYZ005-031115-
/O.CAN.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Northern Cayuga-
Including the city of Fair Haven
509 AM EST Wed Feb 3 2021

...WINTER STORM WARNING IS CANCELLED...

Snow will continue to taper off this morning. Additional
accumulations will be around an inch.

$$

NYZ004-014-031115-
/O.CAN.KBUF.WS.W.0002.000000T0000Z-210203T1200Z/
Wayne-Ontario-
Including the cities of Newark and Canandaigua
509 AM EST Wed Feb 3 2021

...WINTER STORM WARNING IS CANCELLED...

Snow will continue to taper off this morning. Additional
accumulations will be around an inch.

$$

NYZ007-008-031500-
/O.CON.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
509 AM EST Wed Feb 3 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Heavy snow. Additional snow accumulations of 1 to 3
  inches across lower elevations and 3 to 5 inches across the Tug
  Hill Plateau.

* WHERE...Jefferson and Lewis counties.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Travel will be very difficult with snow covered roads
  and poor visibility. 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.

&&

$$

NYZ006-031500-
/O.CON.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Oswego-
Including the city of Oswego
509 AM EST Wed Feb 3 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Heavy snow. Additional snow accumulations of 1 to 3
  inches across lower elevations and 3 to 5 inches across the Tug
  Hill Plateau.

* WHERE...Oswego county.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Travel will be very difficult with snow covered roads
  and poor visibility. 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.

&&

$$

Hitchcock
759 
WWUS41 KBUF 031456
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
956 AM EST Wed Feb 3 2021

NYZ007-008-031600-
/O.EXP.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
956 AM EST Wed Feb 3 2021

...WINTER STORM WARNING WILL EXPIRE AT 10 AM EST THIS MORNING...

Heavy snow has diminished so the winter storm warning will be
allowed to expire at 10 AM. Light snow will continue through the
day with an additional 1 to 2 inches of accumulation especially
over the higher terrain of the Tug Hill Plateau.

$$

NYZ006-031600-
/O.EXP.KBUF.WS.W.0002.000000T0000Z-210203T1500Z/
Oswego-
Including the city of Oswego
956 AM EST Wed Feb 3 2021

...WINTER STORM WARNING WILL EXPIRE AT 10 AM EST THIS MORNING...

Snow continues to diminish across the county so the winter storm
warning will be allowed to expire at 10 AM. A pocket of moderate
snow will persist south of Central Square late this morning, so
use caution if travelling along Interstate 81 in that area as
visibility may locally reduced. Additional snow accumulations 
will be an inch or less across Oswego county. 

$$

JLA

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 7:51 AM ESTSpecial Weather StatementBUFLewis54 min
Feb 2, 9:40 AM ESTSpecial Weather StatementBUFJefferson80 min
Feb 2, 1:52 PM ESTSpecial Weather StatementBUFLewis83 min

Nearby

Winter Storm Warnings in New York, 2021Every winter storm warning in 2021

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.