Alert archive / New York / Winter Storm Watches in 2021
Winter Storm Watch 4, NWS Buffalo, NY
NWS Buffalo, NY issued this winter storm watch at Feb 8, 2021, 2:24 PM EST for Cayuga County, Oswego County, New York. It took effect at Feb 9, 2021, 10:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 8, 2021, 2:24 PM EST (19:24 UTC)
- In effect from
- Feb 9, 2021, 10:00 PM EST
- Expired
- Feb 9, 2021, 3:42 AM EST
- In force
- Issued by
- NWS Buffalo, NY
Counties Cayuga County, NY, Oswego County, NY
The radar
The Ft Drum radar (KTYX), 81 km from the middle of the area, began a volume at 19:27 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 12:00Z, 7.4 hours before the alert went out and 191 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
- 1116 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
778 WWUS41 KBUF 081924 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 224 PM EST Mon Feb 8 2021 NYZ005-006-090330- /O.NEW.KBUF.WS.A.0004.210210T0300Z-210211T0900Z/ Northern Cayuga-Oswego- Including the cities of Fair Haven and Oswego 224 PM EST Mon Feb 8 2021 ...WINTER STORM WATCH IN EFFECT FROM TUESDAY EVENING THROUGH LATE WEDNESDAY NIGHT... * WHAT...Heavy lake effect snow possible. Total snow accumulations of over 9 inches possible in the most persistent lake snows. * WHERE...Northern Cayuga and Oswego counties. * WHEN...From late Tuesday evening through late Wednesday night. * IMPACTS...Travel could be very difficult at times with snow covered roads and very poor visibility. The hazardous conditions could impact the morning or evening commute on Wednesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Narrow bands of heavy snow could impact portions of the region. Localized travel problems will be possible. && $$ Hitchcock
2 follow-up statements
245 WWUS41 KBUF 090243 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 943 PM EST Mon Feb 8 2021 NYZ005-006-091045- /O.CON.KBUF.WS.A.0004.210210T0300Z-210211T0900Z/ Northern Cayuga-Oswego- Including the cities of Fair Haven and Oswego 943 PM EST Mon Feb 8 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH LATE WEDNESDAY NIGHT... * WHAT...Heavy lake effect snow possible. Total snow accumulations of over 9 inches possible in the most persistent lake snows. * WHERE...Northern Cayuga and Oswego counties. * WHEN...From late Tuesday evening through late Wednesday night. * IMPACTS...Travel could be very difficult at times with snow covered roads and very poor visibility. The hazardous conditions could impact the morning or evening commute on Wednesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Narrow bands of heavy snow could impact portions of the region. Localized travel problems will be possible. && $$ JLA
450
WWUS41 KBUF 090842
WSWBUF
URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
342 AM EST Tue Feb 9 2021
NYZ005-006-091645-
/O.UPG.KBUF.WS.A.0004.210210T0300Z-210211T0900Z/
/O.NEW.KBUF.LE.W.0008.210210T0300Z-210211T0900Z/
Northern Cayuga-Oswego-
Including the cities of Fair Haven and Oswego
342 AM EST Tue Feb 9 2021
...LAKE EFFECT SNOW WARNING IN EFFECT FROM 10 PM THIS EVENING TO
4 AM EST THURSDAY...
* WHAT...Heavy lake effect snow. Total snow accumulations of 6 to
11 inches in the most persistent lake snows.
* WHERE...Northern Cayuga and Oswego counties.
* WHEN...From 10 PM this evening to 4 AM EST Thursday.
* IMPACTS...Travel could be very difficult. The hazardous
conditions could impact the morning or evening commute on
Wednesday.
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
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4345 7591 4350 7598 4353 7629 4347 7642
4345 7642 4344 7654 4336 7656 4333 7631 4332 7600
4336 7593
TIME Y21M02D10T0300Z-Y21M02D10T0900Z
COORD...4339 7622 4344 7633 4347 7654 4341 7664
4337 7665 4335 7670 4331 7672 4328 7663 4325 7637
4328 7623
TIME Y21M02D10T0900Z-Y21M02D10T1500Z
COORD...4347 7615 4347 7618 4352 7620 4351 7629
4352 7644 4341 7664 4336 7662 4333 7631 4336 7631
4341 7616
TIME Y21M02D10T1500Z-Y21M02D10T2100Z
COORD...4344 7630 4350 7647 4341 7664 4337 7665
4335 7670 4329 7672 4326 7667 4325 7640 4329 7630
4333 7627
TIME Y21M02D10T2100Z-Y21M02D11T0900Z
$$
TMAThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 7, 9:16 PM EST | Special Weather Statement | BUF | Oswego | 59 min |
| Feb 8, 4:53 AM EST | Special Weather Statement | BUF | Oswego | 52 min |
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.