Alert archive / New York / Lake Effect Snow Warnings in 2021
Lake Effect Snow Warning 10, NWS Buffalo, NY
NWS Buffalo, NY issued this lake effect snow warning at Nov 25, 2021, 2:41 PM EST for Chautauqua County, New York. It took effect at Nov 26, 2021, 1:00 AM EST. It was in force for 27 hr. 1 report 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 25, 2021, 2:41 PM EST (19:41 UTC)
- In effect from
- Nov 26, 2021, 1:00 AM EST
- Expired
- Nov 27, 2021, 3:40 AM EST
- In force
- 27 hr
- Issued by
- NWS Buffalo, NY
County Chautauqua County, NY
The radar
The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 19:45 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 26, 2:30 PM EST | SNOW 5.8 | Jamestown, 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, 7.7 hours before the alert went out and 91 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 687 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 303 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
159
WWUS41 KBUF 251941
WSWBUF
URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
241 PM EST Thu Nov 25 2021
NYZ019-260345-
/O.UPG.KBUF.WS.A.0008.211126T0600Z-211127T1200Z/
/O.NEW.KBUF.LE.W.0010.211126T0600Z-211127T1200Z/
Chautauqua-
Including the city of Jamestown
241 PM EST Thu Nov 25 2021
...LAKE EFFECT SNOW WARNING IN EFFECT FROM 1 AM FRIDAY TO 7 AM
EST SATURDAY...
* WHAT...Heavy lake effect snow and blowing snow expected. Total
snow accumulations of 6 to 11 inches in the most persistent lake
snows. The greatest totals will be along the Chautauqua Ridge.
Winds gusting as high as 40 mph.
* WHERE...Chautauqua county.
* WHEN...From 1 AM Friday to 7 AM EST Saturday.
* IMPACTS...Travel could be very difficult. Areas of blowing snow
could significantly reduce visibility. The hazardous conditions
could impact the morning or evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.
Submit snow reports through our website or social media.
&&
Experimental content below...do not use operationally
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4224 7908 4250 7906 4239 7931 4232 7956
4223 7976 4199 7977 4202 7956 4209 7937 4219 7926
4218 7915
TIME Y21M11D26T0600Z-Y21M11D26T1200Z
COORD...4226 7908 4250 7906 4249 7922 4242 7941
4232 7956 4225 7976 4199 7977 4202 7931 4207 7914
4215 7906
TIME Y21M11D26T1200Z-Y21M11D27T0000Z
COORD...4226 7909 4248 7906 4243 7931 4236 7947
4226 7955 4217 7977 4199 7977 4200 7965 4216 7939
4218 7920
TIME Y21M11D27T0000Z-Y21M11D27T1200Z
$$
NYZ020-085-260345-
/O.NEW.KBUF.WW.Y.0023.211126T0900Z-211127T1200Z/
Cattaraugus-Southern Erie-
Including the cities of Olean, Orchard Park, and Springville
241 PM EST Thu Nov 25 2021
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 7 AM EST
SATURDAY...
* WHAT...Lake effect snow and blowing snow expected. Total snow
accumulations of 5 to 9 inches. Localized higher totals are
possible. The greatest totals will occur over the higher
terrain. Winds gusting as high as 40 mph.
* WHERE...Cattaraugus and Southern Erie counties.
* WHEN...From 4 AM Friday to 7 AM EST Saturday.
* IMPACTS...Travel could be very difficult. Areas of blowing
snow could significantly reduce visibility. The hazardous
conditions could impact the morning or evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ006>008-260345-
/O.NEW.KBUF.WW.Y.0023.211126T0900Z-211127T1500Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
241 PM EST Thu Nov 25 2021
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 10 AM
EST SATURDAY...
* WHAT...Lake effect snow and blowing snow expected. Total snow
accumulations of 5 to 10 inches. Localized higher totals are
possible. The greatest totals expected on the Tug Hill Plateau.
Winds gusting as high as 35 mph.
* WHERE...The Eastern Lake Ontario Region.
* WHEN...From 4 AM Friday to 10 AM EST Saturday.
* IMPACTS...Travel could be very difficult. Areas of blowing snow
could significantly reduce visibility. The hazardous conditions
could impact the morning or evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ004-005-260345-
/O.NEW.KBUF.WW.Y.0023.211126T1500Z-211127T1500Z/
Wayne-Northern Cayuga-
Including the cities of Newark and Fair Haven
241 PM EST Thu Nov 25 2021
...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM FRIDAY TO 10 AM
EST SATURDAY...
* WHAT...Lake effect snow and blowing snow expected. Total snow
accumulations of 3 to 6 inches in the most persistent lake
snows. Winds gusting as high as 40 mph.
* WHERE...Wayne and Northern Cayuga counties.
* WHEN...From 10 AM Friday to 10 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions. Areas of blowing
snow could significantly reduce visibility. The hazardous
conditions could impact the evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
TMA7 follow-up statements
676
WWUS41 KBUF 260144
WSWBUF
URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
844 PM EST Thu Nov 25 2021
NYZ019-261000-
/O.CON.KBUF.LE.W.0010.211126T0600Z-211127T1200Z/
Chautauqua-
Including the city of Jamestown
844 PM EST Thu Nov 25 2021
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 1 AM FRIDAY TO
7 AM EST SATURDAY...
* WHAT...Heavy lake effect snow and blowing snow expected. Total
snow accumulations of 6 to 11 inches in the most persistent
lake snows. The greatest totals will be along the Chautauqua
Ridge. Winds gusting as high as 40 mph.
* WHERE...Chautauqua county.
* WHEN...From 1 AM Friday to 7 AM EST Saturday.
* IMPACTS...Travel could be very difficult. Areas of blowing
snow could significantly reduce visibility. The hazardous
conditions could impact the morning or evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.
Submit snow reports through our website or social media.
&&
Experimental content below...do not use operationally
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4224 7908 4250 7906 4239 7931 4232 7956
4223 7976 4199 7977 4202 7956 4209 7937 4219 7926
4218 7915
TIME Y21M11D26T0600Z-Y21M11D26T1200Z
COORD...4226 7908 4250 7906 4249 7922 4242 7941
4232 7956 4225 7976 4199 7977 4202 7931 4207 7914
4215 7906
TIME Y21M11D26T1200Z-Y21M11D27T0000Z
COORD...4226 7909 4248 7906 4243 7931 4236 7947
4226 7955 4217 7977 4199 7977 4200 7965 4216 7939
4218 7920
TIME Y21M11D27T0000Z-Y21M11D27T1200Z
$$
NYZ020-085-261000-
/O.CON.KBUF.WW.Y.0023.211126T0900Z-211127T1200Z/
Cattaraugus-Southern Erie-
Including the cities of Olean, Orchard Park, and Springville
844 PM EST Thu Nov 25 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM FRIDAY TO
7 AM EST SATURDAY...
* WHAT...Lake effect snow and blowing snow expected. Total snow
accumulations of 5 to 9 inches. Localized higher totals are
possible. The greatest totals will occur over the higher
terrain. Winds gusting as high as 40 mph.
* WHERE...Cattaraugus and Southern Erie counties.
* WHEN...From 4 AM Friday to 7 AM EST Saturday.
* IMPACTS...Travel could be very difficult. Areas of blowing
snow could significantly reduce visibility. The hazardous
conditions could impact the morning or evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ006>008-261000-
/O.CON.KBUF.WW.Y.0023.211126T0900Z-211127T1500Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
844 PM EST Thu Nov 25 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM FRIDAY TO
10 AM EST SATURDAY...
* WHAT...Lake effect snow and blowing snow expected. Total snow
accumulations of 5 to 10 inches. Localized higher totals are
possible. The greatest totals expected on the Tug Hill
Plateau. Winds gusting as high as 35 mph.
* WHERE...The Eastern Lake Ontario Region.
* WHEN...From 4 AM Friday to 10 AM EST Saturday.
* IMPACTS...Travel could be very difficult. Areas of blowing
snow could significantly reduce visibility. The hazardous
conditions could impact the morning or evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ004-005-261000-
/O.CON.KBUF.WW.Y.0023.211126T1500Z-211127T1500Z/
Wayne-Northern Cayuga-
Including the cities of Newark and Fair Haven
844 PM EST Thu Nov 25 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM FRIDAY TO
10 AM EST SATURDAY...
* WHAT...Lake effect snow and blowing snow expected. Total snow
accumulations of 3 to 6 inches in the most persistent lake
snows. Winds gusting as high as 40 mph.
* WHERE...Wayne and Northern Cayuga counties.
* WHEN...From 10 AM Friday to 10 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions. Areas of blowing
snow could significantly reduce visibility. The hazardous
conditions could impact the evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
Apffel173
WWUS41 KBUF 260627
WSWBUF
URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
127 AM EST Fri Nov 26 2021
NYZ019-261430-
/O.CON.KBUF.LE.W.0010.000000T0000Z-211127T1200Z/
Chautauqua-
Including the city of Jamestown
127 AM EST Fri Nov 26 2021
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
* WHAT...Heavy lake effect snow and blowing snow expected. Total
snow accumulations of 6 to 11 inches in the most persistent
lake snows. The greatest totals will be along the Chautauqua
Ridge. Winds gusting as high as 40 mph.
* WHERE...Chautauqua county.
* WHEN...From 1 AM Friday to 7 AM EST Saturday.
* IMPACTS...Travel could be difficult. Areas of blowing snow will
significantly reduce visibility. The hazardous conditions could
impact the morning or evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.
Submit snow reports through our website or social media.
&&
Experimental content below...do not use operationally
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4224 7908 4250 7906 4239 7931 4232 7956
4223 7976 4199 7977 4202 7956 4209 7937 4219 7926
4218 7915
TIME Y21M11D26T0600Z-Y21M11D26T1200Z
COORD...4226 7908 4250 7906 4249 7922 4242 7941
4232 7956 4225 7976 4199 7977 4202 7931 4207 7914
4215 7906
TIME Y21M11D26T1200Z-Y21M11D27T0000Z
COORD...4226 7909 4248 7906 4243 7931 4236 7947
4226 7955 4217 7977 4199 7977 4200 7965 4216 7939
4218 7920
TIME Y21M11D27T0000Z-Y21M11D27T1200Z
$$
NYZ020-085-261430-
/O.CON.KBUF.WW.Y.0023.211126T0900Z-211127T1200Z/
Cattaraugus-Southern Erie-
Including the cities of Olean, Orchard Park, and Springville
127 AM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
* WHAT...Lake effect snow and blowing snow expected. Total snow
accumulations of 5 to 9 inches. Localized higher totals are
possible. The greatest totals will occur over the higher
terrain. Winds gusting as high as 40 mph.
* WHERE...Cattaraugus and Southern Erie counties.
* WHEN...From 4 AM Friday to 7 AM EST Saturday.
* IMPACTS...Travel could be difficult, especially across the
higher terrain. Areas of blowing snow will significantly reduce
visibility. The hazardous conditions could impact the morning
or evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ006>008-261430-
/O.CON.KBUF.WW.Y.0023.211126T0900Z-211127T1500Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
127 AM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...
* WHAT...Lake effect snow and blowing snow expected. Total snow
accumulations of 5 to 10 inches. Localized higher totals are
possible. The greatest totals expected on the Tug Hill
Plateau. Winds gusting as high as 35 mph.
* WHERE...The Eastern Lake Ontario Region.
* WHEN...From 4 AM Friday to 10 AM EST Saturday.
* IMPACTS...Travel could be difficult. Areas of blowing snow
could significantly reduce visibility. The hazardous conditions
could impact the morning or evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ004-005-261430-
/O.CON.KBUF.WW.Y.0023.211126T1500Z-211127T1500Z/
Wayne-Northern Cayuga-
Including the cities of Newark and Fair Haven
127 AM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 10 AM EST SATURDAY...
* WHAT...Lake effect snow and blowing snow expected. Total snow
accumulations of 3 to 6 inches in the most persistent lake
snows. Winds gusting as high as 40 mph.
* WHERE...Wayne and Northern Cayuga counties.
* WHEN...From 10 AM Friday to 10 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions. Areas of blowing
snow could significantly reduce visibility. The hazardous
conditions could impact the evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$760
WWUS41 KBUF 261000
WSWBUF
URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
500 AM EST Fri Nov 26 2021
NYZ019-261800-
/O.CON.KBUF.LE.W.0010.000000T0000Z-211127T1200Z/
Chautauqua-
Including the city of Jamestown
500 AM EST Fri Nov 26 2021
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
* WHAT...Heavy lake effect snow. Additional snow accumulations
of 6 to 11 inches in the most persistent lake snows. Winds
gusting as high as 40 mph.
* WHERE...Chautauqua county.
* WHEN...Until 7 AM EST Saturday.
* IMPACTS...Travel could be difficult. Areas of blowing snow will
significantly reduce visibility. The hazardous conditions could
impact the morning and especially evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If traveling, be prepared for rapidly changing road conditions
and visibilities.
Submit snow reports through our website or social media.
&&
Experimental content below...do not use operationally
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4224 7908 4250 7906 4239 7931 4232 7956
4223 7976 4199 7977 4202 7956 4209 7937 4219 7926
4218 7915
TIME Y21M11D26T0600Z-Y21M11D26T1200Z
COORD...4226 7908 4250 7906 4249 7922 4242 7941
4232 7956 4225 7976 4199 7977 4202 7931 4207 7914
4215 7906
TIME Y21M11D26T1200Z-Y21M11D27T0000Z
COORD...4226 7909 4248 7906 4243 7931 4236 7947
4226 7955 4217 7977 4199 7977 4200 7965 4216 7939
4218 7920
TIME Y21M11D27T0000Z-Y21M11D27T1200Z
$$
NYZ020-085-261800-
/O.CON.KBUF.WW.Y.0023.000000T0000Z-211127T1200Z/
Cattaraugus-Southern Erie-
Including the cities of Olean, Orchard Park, and Springville
500 AM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
* WHAT...Lake effect snow. Snow accumulations of 5 to 9 inches in
the most persistent lake snows. Winds gusting as high as 40 mph.
* WHERE...Cattaraugus and Southern Erie counties.
* WHEN...Until 7 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions. Travel could be
difficult across the elevated terrain. The hazardous conditions
could impact the morning and especially evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ006>008-261800-
/O.CON.KBUF.WW.Y.0023.000000T0000Z-211127T1500Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
500 AM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...
* WHAT...Lake effect snow. Additional snow accumulations of 5 to
10 inches in the most persistent lake snows. Winds gusting as
high as 35 mph.
* WHERE...The Eastern Lake Ontario Region.
* WHEN...Until 10 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions. Travel could be
difficult across the Tug Hill plateau. The hazardous conditions
could impact the morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ004-005-261800-
/O.CON.KBUF.WW.Y.0023.211126T1500Z-211127T1500Z/
Wayne-Northern Cayuga-
Including the cities of Newark and Fair Haven
500 AM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 10 AM EST SATURDAY...
* WHAT...Lake effect snow expected. Total snow accumulations of
3 to 6 inches in the most persistent lake snows. Winds gusting
as high as 40 mph.
* WHERE...Wayne and Northern Cayuga counties.
* WHEN...From 10 AM this morning to 10 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$850
WWUS41 KBUF 261741
WSWBUF
URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1241 PM EST Fri Nov 26 2021
NYZ019-270145-
/O.CON.KBUF.LE.W.0010.000000T0000Z-211127T1200Z/
Chautauqua-
Including the city of Jamestown
1241 PM EST Fri Nov 26 2021
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
* WHAT...Heavy lake effect snow and blowing snow. Additional snow
accumulations of 4 to 8 inches in the most persistent lake
snows. Winds gusting as high as 40 mph will produce blowing and
drifting snow in open areas.
* WHERE...Chautauqua county. The greatest snowfall will be found
along the Chautauqua Ridge.
* WHEN...Until 7 AM EST Saturday.
* IMPACTS...Travel will be very difficult at times. Expect snow
covered roads and poor visibility in lake snows. The hazardous
conditions will impact the Friday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.
Submit snow reports through our website or social media.
&&
Experimental content below...do not use operationally
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4239 7908 4247 7919 4241 7934 4225 7976
4199 7977 4201 7947 4199 7929 4207 7919 4214 7918
4215 7912
TIME Y21M11D26T1500Z-Y21M11D27T0000Z
COORD...4242 7914 4242 7941 4234 7954 4230 7954
4223 7976 4199 7977 4201 7947 4200 7931 4204 7931
4213 7912
TIME Y21M11D27T0000Z-Y21M11D27T1200Z
$$
NYZ020-085-270145-
/O.CON.KBUF.WW.Y.0023.000000T0000Z-211127T1200Z/
Cattaraugus-Southern Erie-
Including the cities of Olean, Orchard Park, and Springville
1241 PM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
* WHAT...Lake effect snow and blowing snow. Additional snow
accumulations of 3 to 5 inches in the most persistent lake
snows. Winds gusting as high as 40 mph will produce blowing and
drifting snow in open areas.
* WHERE...Cattaraugus and Southern Erie counties. The greatest
snow amounts will be across the higher terrain of northern and
western Cattaraugus County and far southern Erie County.
* WHEN...Until 7 AM EST Saturday.
* IMPACTS...Plan on snow covered and slippery road conditions with
poor visibility at times. The hazardous conditions will impact
the Friday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ006>008-270145-
/O.CON.KBUF.WW.Y.0023.000000T0000Z-211127T1500Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
1241 PM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...
* WHAT...Lake effect snow and blowing snow. Additional snow
accumulations of 3 to 6 inches in the most persistent lake
snows. Winds gusting as high as 35 mph will produce blowing and
drifting snow in open areas.
* WHERE...The Eastern Lake Ontario Region. The greatest snow
accumulations will be across the higher terrain of the Tug Hill
Plateau and western foothills of the Adirondacks.
* WHEN...Until 10 AM EST Saturday.
* IMPACTS...Plan on snow covered and slippery road conditions with
reduced visibility at times. The hazardous conditions will
impact the Friday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ004-005-270145-
/O.CON.KBUF.WW.Y.0023.000000T0000Z-211127T1500Z/
Wayne-Northern Cayuga-
Including the cities of Newark and Fair Haven
1241 PM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...
* WHAT...Lake effect snow and blowing snow. Additional snow
accumulations of 2 to 4 inches in the most persistent lake
snows. Winds gusting as high as 40 mph will produce blowing and
drifting snow in open areas.
* WHERE...Wayne and Northern Cayuga counties. The greatest snow
amounts are expected across eastern Wayne and northern Cayuga
counties.
* WHEN...Until 10 AM EST Saturday.
* IMPACTS...Plan on snow covered and slippery road conditions with
reduced visibility at times. The hazardous conditions could
impact the Friday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
Hitchcock518
WWUS41 KBUF 262316
WSWBUF
URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
616 PM EST Fri Nov 26 2021
NYZ085-270030-
/O.CAN.KBUF.WW.Y.0023.000000T0000Z-211127T1200Z/
Southern Erie-
Including the cities of Orchard Park and Springville
616 PM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY IS CANCELLED...
Steady snow has ended. Additional accumulation of an inch or less
tonight.
$$
NYZ019-270730-
/O.CON.KBUF.LE.W.0010.000000T0000Z-211127T1200Z/
Chautauqua-
Including the city of Jamestown
616 PM EST Fri Nov 26 2021
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
* WHAT...Heavy lake effect snow. Additional snow accumulations
of 2 to 4 inches in the most persistent lake snows. Winds
gusting as high as 35 mph.
* WHERE...Chautauqua county.
* WHEN...Until 7 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.
Submit snow reports through our website or social media.
&&
Experimental content below...do not use operationally
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4239 7908 4247 7919 4241 7934 4225 7976
4199 7977 4201 7947 4199 7929 4207 7919 4214 7918
4215 7912
TIME Y21M11D26T1500Z-Y21M11D27T0000Z
COORD...4242 7914 4242 7941 4234 7954 4230 7954
4223 7976 4199 7977 4201 7947 4200 7931 4204 7931
4213 7912
TIME Y21M11D27T0000Z-Y21M11D27T1200Z
$$
NYZ020-270730-
/O.CON.KBUF.WW.Y.0023.000000T0000Z-211127T1200Z/
Cattaraugus-
Including the city of Olean
616 PM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
* WHAT...Lake effect snow. Additional snow accumulations of 1 to
3 inches in the most persistent lake snows.
* WHERE...Cattaraugus county.
* WHEN...Until 7 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ006>008-270730-
/O.CON.KBUF.WW.Y.0023.000000T0000Z-211127T1500Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
616 PM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...
* WHAT...Lake effect snow. Additional snow accumulations of 2 to
4 inches in the most persistent lake snows.
* WHERE...The Eastern Lake Ontario Region.
* WHEN...Until 10 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ004-005-270730-
/O.CON.KBUF.WW.Y.0023.000000T0000Z-211127T1500Z/
Wayne-Northern Cayuga-
Including the cities of Newark and Fair Haven
616 PM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...
* WHAT...Lake effect snow. Additional snow accumulations of 1 to
3 inches in the most persistent lake snows. Winds gusting as
high as 40 mph.
* WHERE...Wayne and Northern Cayuga counties.
* WHEN...Until 10 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
Apffel181
WWUS41 KBUF 270218
WSWBUF
URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
918 PM EST Fri Nov 26 2021
NYZ004-270330-
/O.CAN.KBUF.WW.Y.0023.000000T0000Z-211127T1500Z/
Wayne-
Including the city of Newark
918 PM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY IS CANCELLED...
Additional snowfall of an inch or less expected overnight.
$$
NYZ019-271030-
/O.CON.KBUF.LE.W.0010.000000T0000Z-211127T1200Z/
Chautauqua-
Including the city of Jamestown
918 PM EST Fri Nov 26 2021
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
* WHAT...Heavy lake effect snow. Additional snow accumulations
of up to 2 inches in the most persistent lake snows. Winds
gusting as high as 35 mph.
* WHERE...Chautauqua county.
* WHEN...Until 7 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.
Submit snow reports through our website or social media.
&&
Experimental content below...do not use operationally
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4239 7908 4247 7919 4241 7934 4225 7976
4199 7977 4201 7947 4199 7929 4207 7919 4214 7918
4215 7912
TIME Y21M11D26T1500Z-Y21M11D27T0000Z
COORD...4242 7914 4242 7941 4234 7954 4230 7954
4223 7976 4199 7977 4201 7947 4200 7931 4204 7931
4213 7912
TIME Y21M11D27T0000Z-Y21M11D27T1200Z
$$
NYZ020-271030-
/O.CON.KBUF.WW.Y.0023.000000T0000Z-211127T1200Z/
Cattaraugus-
Including the city of Olean
918 PM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
* WHAT...Lake effect snow. Additional snow accumulations of up
to 2 inches in the most persistent lake snows.
* WHERE...Cattaraugus county.
* WHEN...Until 7 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ006>008-271030-
/O.CON.KBUF.WW.Y.0023.000000T0000Z-211127T1500Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
918 PM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...
* WHAT...Lake effect snow. Additional snow accumulations of up to
2 inches in the most persistent lake snows.
* WHERE...The Eastern Lake Ontario Region.
* WHEN...Until 10 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
NYZ005-271030-
/O.CON.KBUF.WW.Y.0023.000000T0000Z-211127T1500Z/
Northern Cayuga-
Including the city of Fair Haven
918 PM EST Fri Nov 26 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...
* WHAT...Lake effect snow. Additional snow accumulations of up to
2 inches in the most persistent lake snows. Winds gusting as
high as 35 mph.
* WHERE...Northern Cayuga county.
* WHEN...Until 10 AM EST Saturday.
* IMPACTS...Plan on slippery road conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.
Submit snow reports through our website or social media.
&&
$$
Apffel599 WWUS41 KBUF 270840 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 340 AM EST Sat Nov 27 2021 NYZ019-270945- /O.CAN.KBUF.LE.W.0010.000000T0000Z-211127T1200Z/ Chautauqua- Including the city of Jamestown 340 AM EST Sat Nov 27 2021 ...LAKE EFFECT SNOW WARNING IS CANCELLED... The threat for significant lake snows has ended. There will still be areas of light snow though that could accumulate a fresh inch or so through midday today. Motorists are encouraged to still use extra caution through the morning hours...as some untreated roadways remain slick and snow covered...especially across the higher terrain. $$ NYZ005>008-270945- /O.CAN.KBUF.WW.Y.0023.000000T0000Z-211127T1500Z/ Northern Cayuga-Oswego-Jefferson-Lewis- Including the cities of Fair Haven, Oswego, Watertown, and Lowville 340 AM EST Sat Nov 27 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... While the significant lake snows have ended...light snow showers could still leave a fresh coating to as much as an inch of fresh snow in spots through early this afternoon. Motorists are encouraged to still use extra caution through the morning hours...as some untreated roadways remain slick and snow covered. $$ NYZ020-270945- /O.CAN.KBUF.WW.Y.0023.000000T0000Z-211127T1200Z/ Cattaraugus- Including the city of Olean 340 AM EST Sat Nov 27 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... While the significant lake snows have ended...light snow showers could still leave a fresh coating to as much as an inch of fresh snow in spots through midday today. Motorists are encouraged to still use extra caution through the morning hours...as some untreated roadways remain slick and snow covered..especially across the higher terrain. $$
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 25, 4:14 AM EST | Winter Storm Watch | BUF | Chautauqua | 10 hr |
| Nov 25, 6:49 AM EST | Small Craft Advisory | BUF | 63 hr | |
| Nov 25, 2:41 PM EST | Winter Weather Advisory | BUF | Cattaraugus, Cayuga, Erie, Jefferson, Lewis, Oswego and 1 more | 37 hr |
Nearby
Lake Effect Snow Warnings in New York, 2021Every lake effect snow 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.