Alert archive / New York / Winter Storm Watches in 2021
Winter Storm Watch 1, NWS Buffalo, NY
NWS Buffalo, NY issued this winter storm watch at Jan 14, 2021, 2:47 PM EST for Jefferson County, Lewis County, Oswego County, New York. It took effect at Jan 16, 2021, 1:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 14, 2021, 2:47 PM EST (19:47 UTC)
- In effect from
- Jan 16, 2021, 1:00 AM EST
- Expired
- Jan 15, 2021, 1:35 PM EST
- In force
- Issued by
- NWS Buffalo, NY
Counties Jefferson County, NY, Lewis County, NY, Oswego County, NY
The radar
The Ft Drum radar (KTYX), 18 km from the middle of the area, began a volume at 19:46 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
Albany, NY (KALY), launched 12:00Z, 7.8 hours before the alert went out and 205 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
- 1229 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
566 WWUS41 KBUF 141947 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 247 PM EST Thu Jan 14 2021 NYZ006>008-150400- /O.NEW.KBUF.WS.A.0001.210116T0600Z-210118T0000Z/ Oswego-Jefferson-Lewis- Including the cities of Oswego, Watertown, and Lowville 247 PM EST Thu Jan 14 2021 ...WINTER STORM WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SUNDAY EVENING... * WHAT...Heavy snow possible. Total snow accumulations of greater than 7 inches possible. Highest amounts expected on the Tug Hill. * WHERE...The Eastern Lake Ontario Region. * WHEN...From late Friday night through Sunday evening. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Begin needed preparations at home or with your vehicle. Travel may become difficult, so plan accordingly. && $$ EAJ
4 follow-up statements
026 WWUS41 KBUF 150145 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 845 PM EST Thu Jan 14 2021 NYZ006>008-151100- /O.CON.KBUF.WS.A.0001.210116T0600Z-210118T0000Z/ Oswego-Jefferson-Lewis- Including the cities of Oswego, Watertown, and Lowville 845 PM EST Thu Jan 14 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SUNDAY EVENING... * WHAT...Heavy snow possible. Total snow accumulations of greater than 7 inches possible. Highest amounts expected on the Tug Hill. * WHERE...The Eastern Lake Ontario Region. * WHEN...From late Friday night through Sunday evening. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Begin needed preparations at home or with your vehicle. Travel may become difficult, so plan accordingly. && $$ Apffel
966 WWUS41 KBUF 150900 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 400 AM EST Fri Jan 15 2021 NYZ006>008-151700- /O.CON.KBUF.WS.A.0001.210116T0600Z-210118T0000Z/ Oswego-Jefferson-Lewis- Including the cities of Oswego, Watertown, and Lowville 400 AM EST Fri Jan 15 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... * WHAT...Heavy snow possible. Total snow accumulations of greater than 7 inches possible. Highest amounts expected on the Tug Hill. * WHERE...The Eastern Lake Ontario Region. * WHEN...From late Friday night through Sunday evening. * IMPACTS...Travel could be very difficult, especially Saturday night into Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Begin needed preparations at home or with your vehicle. Travel may become difficult, so plan accordingly. && $$
002 WWUS41 KBUF 151444 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 944 AM EST Fri Jan 15 2021 NYZ006>008-152245- /O.CON.KBUF.WS.A.0001.210116T0600Z-210118T0000Z/ Oswego-Jefferson-Lewis- Including the cities of Oswego, Watertown, and Lowville 944 AM EST Fri Jan 15 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... * WHAT...Heavy snow possible. Total snow accumulations of greater than 7 inches possible. Highest amounts expected on the Tug Hill. * WHERE...The Eastern Lake Ontario Region. * WHEN...From late Friday night through Sunday evening. * IMPACTS...Travel could be very difficult, especially Saturday night into Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Begin needed preparations at home or with your vehicle. Travel may become difficult, so plan accordingly. && $$ Hitchcock
747 WWUS41 KBUF 151835 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 135 PM EST Fri Jan 15 2021 NYZ006>008-160245- /O.UPG.KBUF.WS.A.0001.210116T0600Z-210118T0000Z/ /O.NEW.KBUF.WS.W.0001.210116T0600Z-210118T0000Z/ Oswego-Jefferson-Lewis- Including the cities of Oswego, Watertown, and Lowville 135 PM EST Fri Jan 15 2021 ...WINTER STORM WARNING IN EFFECT FROM 1 AM SATURDAY TO 7 PM EST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 15 to 20 inches across the higher terrain of the Tug Hill Plateau. Total accumulations of 4 to 7 inches across the lower elevations. Winds gusting as high as 35 mph on Sunday will result in some blowing and drifting snow. * WHERE...The Eastern Lake Ontario Region. The greater snow amounts will be confined to the higher terrain of the Tug Hill Plateau. * WHEN...From 1 AM Saturday to 7 PM EST Sunday. The period of highest snowfall rates and greatest accumulation will be Saturday night through Sunday morning. * IMPACTS...Travel will be very difficult at times with poor visibility and snow covered roads, especially across the higher terrain of the Tug Hill Plateau. PRECAUTIONARY/PREPAREDNESS ACTIONS... Widespread accumulating snow will create difficult travel conditions. Submit snow reports through our website or social media. && $$ Hitchcock
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 14, 3:33 PM EST | Small Craft Advisory | BUF | 33 hr |
Nearby
Winter Storm Watches in New York, 2021Every winter storm watch 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.