Alert archive / New York / Winter Weather Advisories in 2021
Winter Weather Advisory 8, NWS Buffalo, NY
NWS Buffalo, NY issued this winter weather advisory at Jan 29, 2021, 6:14 PM EST for 4 counties in New York. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jan 29, 2021, 6:14 PM EST (23:14 UTC)
- Expired
- Jan 30, 2021, 12:31 AM EST
- In force
- 6 hr
- Issued by
- NWS Buffalo, NY
Counties Cayuga County, NY, Monroe County, NY, Orleans County, NY, Wayne County, NY
The radar
The Buffalo radar (KBUF), 115 km from the middle of the area, began a volume at 23:13 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, 11.2 hours before the alert went out and 112 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
- 683 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
051 WWUS41 KBUF 292314 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 614 PM EST Fri Jan 29 2021 NYZ002>005-300600- /O.NEW.KBUF.WW.Y.0008.210129T2314Z-210130T0600Z/ Orleans-Monroe-Wayne-Northern Cayuga- Including the cities of Medina, Rochester, Newark, and Fair Haven 614 PM EST Fri Jan 29 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY... * WHAT...Lake effect Snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Orleans, Monroe, Wayne, and Northern Cayuga counties. * WHEN...Until 1 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Periods of snow will result in snow covered roads and sharply reduced visibilities. Slow down and use caution while driving. Submit snow reports through our website or social media. && $$ JLA
2 follow-up statements
261 WWUS41 KBUF 300249 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 949 PM EST Fri Jan 29 2021 NYZ002>005-300600- /O.CON.KBUF.WW.Y.0008.000000T0000Z-210130T0600Z/ Orleans-Monroe-Wayne-Northern Cayuga- Including the cities of Medina, Rochester, Newark, and Fair Haven 949 PM EST Fri Jan 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST SATURDAY... * WHAT...Lake effect snow. Additional snow accumulations of 1 to 3 inches in the most persistent lake snows. * WHERE...Orleans, Monroe, Wayne, and Northern Cayuga counties. The most additional snow will occur from Orleans into far western Monroe county and also across the east half of Wayne county. * WHEN...Until 1 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Periods of snow will result in snow covered roads and sharply reduced visibilities. Slow down and use caution while driving. Submit snow reports through our website or social media. && $$ JLA
445 WWUS41 KBUF 300531 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 1231 AM EST Sat Jan 30 2021 NYZ002>005-300645- /O.CAN.KBUF.WW.Y.0008.000000T0000Z-210130T0600Z/ Orleans-Monroe-Wayne-Northern Cayuga- Including the cities of Medina, Rochester, Newark, and Fair Haven 1231 AM EST Sat Jan 30 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... Light lake effect snow will continue overnight, but any additional accumulation will be limited to less than 2 inches of fluffy snow. $$ Hitchcock
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 29, 5:31 PM EST | Special Weather Statement | BUF | Genesee, Monroe, Orleans, Wayne | 89 min |
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.