Alert archive / New York / Winter Weather Advisories in 2020
Winter Weather Advisory 18, NWS Buffalo, NY
NWS Buffalo, NY issued this winter weather advisory at Apr 9, 2020, 4:34 AM EDT for 5 counties in New York. It took effect at Apr 9, 2020, 4:28 PM EDT. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Apr 9, 2020, 4:34 AM EDT (08:34 UTC)
- In effect from
- Apr 9, 2020, 4:28 PM EDT
- Expired
- Apr 10, 2020, 1:42 PM EDT
- In force
- 21 hr
- Issued by
- NWS Buffalo, NY
Counties Cattaraugus County, NY, Chautauqua County, NY, Jefferson County, NY, Lewis County, NY, Oswego County, NY
The radar
The Buffalo radar (KBUF), 130 km from the middle of the area, began a volume at 08:35 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 00:00Z, 8.6 hours before the alert went out and 276 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
- 1252 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Buffalo, NY wrote its last area forecast discussion before this winter weather advisory went out at Apr 9, 4:30 AM EDT, 4 minutes earlier.
Area forecast discussion, Apr 9, 4:30 AM EDT, 4 minutes before
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</html>Hazardous weather outlook, Apr 8, 12:12 PM EDT, 16 hours 22 minutes before
Hazardous Weather Outlook National Weather Service Buffalo NY 1212 PM EDT Wed Apr 8 2020 NYZ001>003-008-010>014-019>021-085-091615- Niagara-Orleans-Monroe-Lewis-Northern Erie-Genesee-Wyoming- Livingston-Ontario-Chautauqua-Cattaraugus-Allegany-Southern Erie- 1212 PM EDT Wed Apr 8 2020 This Hazardous Weather Outlook is for portions of western and north central New York. .DAY ONE...This afternoon and tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. In the wake of a strong cold frontal passage Thursday morning, winds will gust to 40 to 45 mph Thursday afternoon into Friday. The highest gusts will be found across the higher elevations. The strong winds will be accompanied by some wet snow Thursday night and Friday morning. While most areas are only expected to pick up a coating to a half inch of accumulation...an inch or two of snow will be possible across the higher elevations of the Southern Tier. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf NYZ004>007-091615- Wayne-Northern Cayuga-Oswego-Jefferson- 1212 PM EDT Wed Apr 8 2020 ...LAKESHORE FLOOD WARNING IN EFFECT FROM 2 AM TO 5 PM EDT FRIDAY... This Hazardous Weather Outlook is for portions of western and north central New York. .DAY ONE...This afternoon and tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Lakeshore Flood Warning. In the wake of a strong cold frontal passage Thursday morning, winds will gust to 45 to as high as 50 mph Thursday afternoon into Friday. The strong winds will be accompanied by some wet snow Thursday night and Friday morning. While most areas are only expected to pick up a coating to a half inch of accumulation...a couple inches of snow will be possible across the Tug Hill plateau. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf LEZ040-041-091615- Lake Erie nearshore waters from Ripley to Dunkirk- Lake Erie nearshore waters from Dunkirk to Buffalo- 1212 PM EDT Wed Apr 8 2020 This Hazardous Weather Outlook is for portions of Lake Erie. .DAY ONE...This afternoon and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf LEZ020-LOZ030-042>045-062>065-091615- Upper Niagara River and Buffalo Harbor-Lower Niagara River- Lake Ontario nearshore waters from the Niagara River to Hamlin Beach- Lake Ontario nearshore waters from Hamlin Beach to Sodus Bay- Lake Ontario nearshore waters from Sodus Bay to Mexico Bay- Lake Ontario nearshore waters from Mexico Bay to the Saint Lawrence River- Lake Ontario open waters from the Niagara River to Hamlin Beach- Lake Ontario open waters from Hamlin Beach to Sodus Bay- Lake Ontario open waters from Sodus Bay to Mexico Bay- Lake Ontario open waters from Mexico Bay to the Saint Lawrence River- 1212 PM EDT Wed Apr 8 2020 This Hazardous Weather Outlook is for portions of Lake Erie and Lake Ontario. .DAY ONE...This afternoon and tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. There is the potential for gale force winds Thursday night into Friday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf SLZ022-024-091615- Saint Lawrence River from Cape Vincent to Ogdensburg- Saint Lawrence River from Ogdensburg to Saint Regis- 1212 PM EDT Wed Apr 8 2020 This Hazardous Weather Outlook is for the New York waters of the Saint Lawrence River. .DAY ONE...This afternoon and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service office in Buffalo can be found on the internet at http://www.weather.gov/buf
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 2:01 AM EDT | Wind Advisory | BUF | Cayuga, Lewis, Monroe, Orleans, Oswego, Wayne | 38 hr |
| Apr 9, 2:02 AM EDT | Gale Warning | BUF | 36 hr | |
| Apr 9, 4:30 PM EDT | Lakeshore Flood Advisory | BUF | Chautauqua, Erie | 24 hr |
Nearby
Winter Weather Advisories in New York, 2020Every winter weather advisory in 2020
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.