Alert archive / New York / Winter Weather Advisories in 2021
Winter Weather Advisory 32, NWS Buffalo, NY
NWS Buffalo, NY issued this winter weather advisory at Dec 27, 2021, 3:49 AM EST for 16 counties in New York. It took effect at Dec 27, 2021, 8:00 AM EST. It was in force for 23 hr.
The area
The counties it named.
The facts
- Issued
- Dec 27, 2021, 3:49 AM EST (08:49 UTC)
- In effect from
- Dec 27, 2021, 8:00 AM EST
- Expired
- Dec 28, 2021, 7:00 AM EST
- In force
- 23 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 08:47 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 00:00Z, 8.8 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 862 m above ground
- 0-6 km bulk shear
- 88 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
228 WWUS41 KBUF 270849 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 349 AM EST Mon Dec 27 2021 NYZ012-019-020-085-271700- /O.NEW.KBUF.WW.Y.0032.211227T1300Z-211227T2300Z/ Wyoming-Chautauqua-Cattaraugus-Southern Erie- Including the cities of Warsaw, Jamestown, Olean, Orchard Park, and Springville 349 AM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 6 PM EST THIS EVENING... * WHAT...Mixed precipitation expected. Snow and sleet will transition to a brief period of freezing rain this morning. Total snow accumulations of an inch or less and ice accumulations of a few hundredths of an inch. * WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie counties. * WHEN...From 8 AM this morning to 6 PM EST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Periods of snow, sleet or freezing rain will result in slippery roads and limited visibilities. Slow down and use caution while driving. Submit snow and ice reports through our website or social media. && $$ NYZ013-014-021-271700- /O.NEW.KBUF.WW.Y.0032.211227T1600Z-211228T0400Z/ Livingston-Ontario-Allegany- Including the cities of Geneseo, Canandaigua, and Wellsville 349 AM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 PM EST THIS EVENING... * WHAT...Mixed precipitation expected. Snow and sleet will transition to a brief period of freezing rain this morning into afternoon. Total snow accumulations of an inch or less and ice accumulations of a few hundredths of an inch. * WHERE...Livingston, Ontario, and Allegany counties. * WHEN...From 11 AM this morning to 11 PM EST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Periods of snow, sleet or freezing rain will result in slippery roads and limited visibilities. Slow down and use caution while driving. Submit snow and ice reports through our website or social media. && $$
7 follow-up statements
785 WWUS41 KBUF 271555 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 1055 AM EST Mon Dec 27 2021 NYZ012-019-020-085-272300- /O.CON.KBUF.WW.Y.0032.000000T0000Z-211227T2300Z/ Wyoming-Chautauqua-Cattaraugus-Southern Erie- Including the cities of Warsaw, Jamestown, Olean, Orchard Park, and Springville 1055 AM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... * WHAT...Mixed precipitation. Snow will transition to a brief period of freezing rain this afternoon. Additional snow accumulations of an inch or less and ice accumulations of a few hundredths of an inch * WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie counties. * WHEN...Until 6 PM EST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Periods of snow, sleet or freezing rain will result in slippery roads and limited visibilities. Slow down and use caution while driving. Submit snow and ice reports through our website or social media. && $$ NYZ013-014-021-280000- /O.CON.KBUF.WW.Y.0032.211227T1600Z-211228T0400Z/ Livingston-Ontario-Allegany- Including the cities of Geneseo, Canandaigua, and Wellsville 1055 AM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING... * WHAT...Mixed precipitation expected. Snow will transition to a brief period of freezing rain this afternoon. Additional snow accumulations of an inch or less and ice accumulations of a few hundredths of an inch * WHERE...Livingston, Ontario, and Allegany counties. * WHEN...Until 11 PM EST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Periods of snow, sleet or freezing rain will result in slippery roads and limited visibilities. Slow down and use caution while driving. Submit snow and ice reports through our website or social media. && $$ TMA
681 WWUS41 KBUF 271842 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 142 PM EST Mon Dec 27 2021 NYZ001-002-010-011-272300- /O.EXA.KBUF.WW.Y.0032.000000T0000Z-211227T2300Z/ Niagara-Orleans-Northern Erie-Genesee- Including the cities of Niagara Falls, Medina, Buffalo, and Batavia 142 PM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... * WHAT...Freezing Drizzle. A glaze of ice accumulation. * WHERE...Niagara, Orleans, Northern Erie, and Genesee counties. * WHEN...Until 6 PM EST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Freezing drizzle will result in slippery roads. Slow down and use caution while driving. Submit ice reports through our website or social media. && $$ NYZ003>005-280245- /O.EXA.KBUF.WW.Y.0032.000000T0000Z-211228T0400Z/ Monroe-Wayne-Northern Cayuga- Including the cities of Rochester, Newark, and Fair Haven 142 PM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING... * WHAT...Freezing Drizzle. A glaze of ice accumulation. * WHERE...Monroe, Wayne, and Northern Cayuga counties. * WHEN...Until 11 PM EST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Freezing drizzle will result in slippery roads. Slow down and use caution while driving. Submit ice reports through our website or social media. && $$ NYZ012-019-020-085-272300- /O.CON.KBUF.WW.Y.0032.000000T0000Z-211227T2300Z/ Wyoming-Chautauqua-Cattaraugus-Southern Erie- Including the cities of Warsaw, Jamestown, Olean, Orchard Park, and Springville 142 PM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... * WHAT...Freezing rain. Additional ice accumulations of a few hundredths of an inch. * WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie counties. * WHEN...Until 6 PM EST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Freezing rain will result in slippery roads. Slow down and use caution while driving. Submit ice reports through our website or social media. && $$ NYZ013-014-021-280245- /O.CON.KBUF.WW.Y.0032.000000T0000Z-211228T0400Z/ Livingston-Ontario-Allegany- Including the cities of Geneseo, Canandaigua, and Wellsville 142 PM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING... * WHAT...Snow and freezing rain. Additional ice accumulations of a few hundredths of an inch. Little or no additional snow accumulation. * WHERE...Livingston, Ontario, and Allegany counties. * WHEN...Until 11 PM EST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Light snow and freezing rain will result in slippery roads and limited visibilities. Slow down and use caution while driving. Submit snow and ice reports through our website or social media. && $$ Thomas
290 WWUS41 KBUF 272012 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 312 PM EST Mon Dec 27 2021 NYZ006>008-280415- /O.EXB.KBUF.WW.Y.0032.211227T2300Z-211228T0900Z/ Oswego-Jefferson-Lewis- Including the cities of Oswego, Watertown, and Lowville 312 PM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM EST TUESDAY... * WHAT...Mixed precipitation expected. Snow will transition to very light freezing rain or freezing drizzle tonight. Total snow accumulations of an inch or less and a glaze to a few hundredths of ice accumulation. * WHERE...The Eastern Lake Ontario Region. * WHEN...Until 4 AM EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Periods of snow, light freezing rain or freezing drizzle will result in slippery roads and limited visibilities. Slow down and use caution while driving. Submit snow and ice reports through our website or social media. && $$ NYZ001-002-010>012-019-020-085-272300- /O.CON.KBUF.WW.Y.0032.000000T0000Z-211227T2300Z/ Niagara-Orleans-Northern Erie-Genesee-Wyoming-Chautauqua- Cattaraugus-Southern Erie- Including the cities of Niagara Falls, Medina, Buffalo, Batavia, Warsaw, Jamestown, Olean, Orchard Park, and Springville 312 PM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... * WHAT...Freezing drizzle. A glaze of ice accumulation. * WHERE...Niagara, Orleans, Erie, Genesee, Wyoming, Chautauqua, and Cattaraugus counties. * WHEN...Until 6 PM EST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Periods of freezing drizzle will result in slippery roads. Slow down and use caution while driving. Submit ice reports through our website or social media. && $$ NYZ003>005-013-014-021-280400- /O.CON.KBUF.WW.Y.0032.000000T0000Z-211228T0400Z/ Monroe-Wayne-Northern Cayuga-Livingston-Ontario-Allegany- Including the cities of Rochester, Newark, Fair Haven, Geneseo, Canandaigua, and Wellsville 312 PM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING... * WHAT...Freezing Drizzle. A glaze of ice accumulation. * WHERE...Monroe, Wayne, Northern Cayuga, Livingston, Ontario, and Allegany counties. * WHEN...Until 11 PM EST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Periods of freezing drizzle will result in slippery roads. Slow down and use caution while driving. Submit ice reports through our website or social media. && $$ TMA
155 WWUS41 KBUF 272306 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 606 PM EST Mon Dec 27 2021 NYZ001-002-010>012-019-020-085-280015- /O.EXP.KBUF.WW.Y.0032.000000T0000Z-211227T2300Z/ Niagara-Orleans-Northern Erie-Genesee-Wyoming-Chautauqua- Cattaraugus-Southern Erie- Including the cities of Niagara Falls, Medina, Buffalo, Batavia, Warsaw, Jamestown, Olean, Orchard Park, and Springville 606 PM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY HAS EXPIRED... $$ NYZ003>005-013-014-021-280400- /O.CON.KBUF.WW.Y.0032.000000T0000Z-211228T0400Z/ Monroe-Wayne-Northern Cayuga-Livingston-Ontario-Allegany- Including the cities of Rochester, Newark, Fair Haven, Geneseo, Canandaigua, and Wellsville 606 PM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING... * WHAT...Freezing Drizzle. A glaze of ice accumulation. * WHERE...Monroe, Wayne, Northern Cayuga, Livingston, Ontario, and Allegany counties. * WHEN...Until 11 PM EST this evening. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Periods of freezing rain will result in slippery roads and limited visibilities. Slow down and use caution while driving. Submit ice reports through our website or social media. && $$ NYZ006>008-280715- /O.CON.KBUF.WW.Y.0032.000000T0000Z-211228T0900Z/ Oswego-Jefferson-Lewis- Including the cities of Oswego, Watertown, and Lowville 606 PM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST TUESDAY... * WHAT...Mixed precipitation expected. Snow will transition to very light freezing rain or freezing drizzle tonight. Total snow accumulations of an inch or less and a glaze to a few hundredths of ice accumulation. * WHERE...The Eastern Lake Ontario Region. * WHEN...Until 4 AM EST Tuesday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Periods of snow, sleet or freezing rain will result in slippery roads and limited visibilities. Slow down and use caution while driving. Submit snow and ice reports through our website or social media. && $$
934 WWUS41 KBUF 280227 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 927 PM EST Mon Dec 27 2021 NYZ003>005-013-014-021-280330- /O.CAN.KBUF.WW.Y.0032.000000T0000Z-211228T0400Z/ Monroe-Wayne-Northern Cayuga-Livingston-Ontario-Allegany- Including the cities of Rochester, Newark, Fair Haven, Geneseo, Canandaigua, and Wellsville 927 PM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... Temperatures have generally climbed above freezing...so the threat for icy precipitation has ended. $$ NYZ006>008-280900- /O.CON.KBUF.WW.Y.0032.000000T0000Z-211228T0900Z/ Oswego-Jefferson-Lewis- Including the cities of Oswego, Watertown, and Lowville 927 PM EST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST TUESDAY... * WHAT...Mixed precipitation expected. Snow will transition to very light freezing rain or freezing drizzle tonight. Total snow accumulations of an inch or less and a glaze to a few hundredths of ice accumulation. * WHERE...The Eastern Lake Ontario Region. * WHEN...Until 4 AM EST Tuesday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Periods of snow or freezing rain will result in slippery roads. Slow down and use caution while driving. Submit snow and ice reports through our website or social media. && $$
829 WWUS41 KBUF 280843 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 343 AM EST Tue Dec 28 2021 NYZ006>008-281200- /O.EXT.KBUF.WW.Y.0032.000000T0000Z-211228T1200Z/ Oswego-Jefferson-Lewis- Including the cities of Oswego, Watertown, and Lowville 343 AM EST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 AM EST THIS MORNING... * WHAT...Freezing drizzle. * WHERE...The Eastern Lake Ontario Region. * WHEN...Until 7 AM EST this morning. * IMPACTS...Very slippery sidewalks, roads and bridges are possible. The hazardous conditions could impact the morning commute. 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. && $$ JLA
863 WWUS41 KBUF 281152 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 652 AM EST Tue Dec 28 2021 NYZ006>008-281300- /O.EXP.KBUF.WW.Y.0032.000000T0000Z-211228T1200Z/ Oswego-Jefferson-Lewis- Including the cities of Oswego, Watertown, and Lowville 652 AM EST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 7 AM EST THIS MORNING... Patchy drizzle or freezing drizzle has diminished to the east of Lake Ontario and temperatures continue to warm above freezing. Untreated roads may still be slippery, so use caution if traveling this morning. $$ JLA
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 27, 12:37 AM EST | Small Craft Advisory | BUF | 17 hr | |
| Dec 27, 3:49 PM EST | Small Craft Advisory | BUF | 23 hr |
Nearby
Winter Weather Advisories in New York, 2021Every winter weather advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.