Alert archive / New York / Winter Storm Warnings in 2021
Winter Storm Warning 5, NWS Buffalo, NY
NWS Buffalo, NY issued this winter storm warning at Dec 7, 2021, 10:28 AM EST for Oswego County, New York. It was in force for 11 hr. 3 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
- Dec 7, 2021, 10:28 AM EST (15:28 UTC)
- Expired
- Dec 7, 2021, 9:39 PM EST
- In force
- 11 hr
- Issued by
- NWS Buffalo, NY
County Oswego County, NY
The radar
The Ft Drum radar (KTYX), 54 km from the middle of the area, began a volume at 15:29 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 |
|---|---|---|---|
| Dec 7, 10:34 AM EST | SNOW 4.7 | 2 Sse Palermo, NY | STORM TOTAL SNOWFALL...2.7 INCHES SINCE 630 AM. |
| Dec 7, 2:10 PM EST | SNOW 6.2 | 2 Sse Palermo, NY | SINCE APPROX. 5 AM THIS MORNING. STOPPED SNOWING NOW. |
| Dec 7, 6:00 PM EST | SNOW 5 | 4 N Central Square, NY | STORM TOTAL SINCE 1 AM THIS MORNING. |
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, 3.5 hours before the alert went out and 210 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
- 1055 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
608 WWUS41 KBUF 071528 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 1028 AM EST Tue Dec 7 2021 NYZ004-005-071630- /O.CAN.KBUF.WW.Y.0026.000000T0000Z-211207T2100Z/ Wayne-Northern Cayuga- Including the cities of Newark and Fair Haven 1028 AM EST Tue Dec 7 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... While additional lake snows of an inch or so are expected near the lake shore, significant accumulations are no longer expected. $$ NYZ006-072330- /O.UPG.KBUF.WW.Y.0026.000000T0000Z-211207T2100Z/ /O.NEW.KBUF.WS.W.0005.211207T1528Z-211208T0300Z/ Oswego- Including the city of Oswego 1028 AM EST Tue Dec 7 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 10 PM EST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 5 to 8 inches. * WHERE...Oswego county. * WHEN...Until 10 PM EST this evening. * IMPACTS...Travel could be difficult in the areas of steadiest lake snows. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Widespread accumulating snow will create dangerous travel conditions. Submit snow reports through our website or social media. && $$ NYZ007-008-072330- /O.EXT.KBUF.WW.Y.0026.000000T0000Z-211208T0300Z/ Jefferson-Lewis- Including the cities of Watertown and Lowville 1028 AM EST Tue Dec 7 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM EST THIS EVENING... * WHAT...Lake effect snow. Additional snow accumulations of 3 to 5 inches in the most persistent lake snows. * WHERE...Jefferson and Lewis counties. * WHEN...Until 10 PM EST this evening. * 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. && $$
2 follow-up statements
523 WWUS41 KBUF 072154 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 454 PM EST Tue Dec 7 2021 NYZ008-072300- /O.CAN.KBUF.WW.Y.0026.000000T0000Z-211208T0300Z/ Lewis- Including the city of Lowville 454 PM EST Tue Dec 7 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... Additional accumulation of less than an inch. $$ NYZ006-080300- /O.CON.KBUF.WS.W.0005.000000T0000Z-211208T0300Z/ Oswego- Including the city of Oswego 454 PM EST Tue Dec 7 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of up to 2 inches. * WHERE...Oswego county, mainly northern portions of the county. * WHEN...Until 10 PM EST this evening. * 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. && $$ NYZ085-080600- /O.EXB.KBUF.WW.Y.0026.000000T0000Z-211208T0900Z/ Southern Erie- Including the cities of Orchard Park and Springville 454 PM EST Tue Dec 7 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM EST WEDNESDAY... * WHAT...Lake effect snow. Additional snow accumulations of 3 to 6 inches in the most persistent lake snows. * WHERE...Southern Erie county. * WHEN...Until 4 AM EST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Lake effect snow will fall in relatively narrow bands. If traveling, be prepared for rapidly changing road conditions and visibilities. Submit snow reports through our website or social media. && $$ NYZ007-080600- /O.EXT.KBUF.WW.Y.0026.000000T0000Z-211208T1500Z/ Jefferson- Including the city of Watertown 454 PM EST Tue Dec 7 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM EST WEDNESDAY... * WHAT...Lake effect snow. Additional snow accumulations of 3 to 5 inches in the most persistent lake snows. * WHERE...Jefferson county. * WHEN...Until 10 AM EST Wednesday. * IMPACTS...Plan on slippery road conditions. 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. && $$ Apffel
183 WWUS41 KBUF 080239 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 939 PM EST Tue Dec 7 2021 NYZ006-080345- /O.CAN.KBUF.WS.W.0005.000000T0000Z-211208T0300Z/ Oswego- Including the city of Oswego 939 PM EST Tue Dec 7 2021 ...WINTER STORM WARNING EXPIRES AT 10 PM... Heavy snow has ended. An additional inch is possible overnight. $$ NYZ007-081145- /O.CON.KBUF.WW.Y.0026.000000T0000Z-211208T1500Z/ Jefferson- Including the city of Watertown 939 PM EST Tue Dec 7 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST WEDNESDAY... * WHAT...Lake effect snow. Additional snow accumulations of 3 to 5 inches in the most persistent lake snows. * WHERE...Jefferson county. * WHEN...Until 10 AM EST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning 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. && $$ NYZ085-080900- /O.CON.KBUF.WW.Y.0026.000000T0000Z-211208T0900Z/ Southern Erie- Including the cities of Orchard Park and Springville 939 PM EST Tue Dec 7 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST WEDNESDAY... * WHAT...Lake effect snow. Additional snow accumulations of 1 to 2 inches in the most persistent lake snows. * WHERE...Southern Erie county. * WHEN...Until 4 AM EST Wednesday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Lake effect snow will fall in relatively narrow bands. If traveling, be prepared for rapidly changing road conditions and visibilities. Submit snow reports through our website or social media. && $$ Apffel
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 6, 7:29 PM EST | Special Weather Statement | BUF | Allegany, Cattaraugus, Chautauqua | 91 min |
| Dec 7, 4:16 PM EST | Special Weather Statement | BUF | Erie | 89 min |
| Dec 7, 5:50 PM EST | Special Weather Statement | BUF | Erie | 85 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.