Alert archive / New York / Winter Storm Watches in 2019
Winter Storm Watch 12, NWS Buffalo, NY
NWS Buffalo, NY issued this winter storm watch at Nov 29, 2019, 2:46 PM EST for 4 counties in New York. It took effect at Dec 1, 2019, 7:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 29, 2019, 2:46 PM EST (19:46 UTC)
- In effect from
- Dec 1, 2019, 7:00 AM EST
- Expired
- Nov 30, 2019, 1:59 PM EST
- In force
- Issued by
- NWS Buffalo, NY
Counties Cayuga County, NY, Jefferson County, NY, Lewis County, NY, Oswego County, NY
The radar
The Ft Drum radar (KTYX), 38 km from the middle of the area, began a volume at 19:51 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
Brookhaven, NY (KOKX), launched 12:00Z, 7.8 hours before the alert went out and 400 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
- 842 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 113 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 storm watch 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 storm watch went out at Nov 29, 2:22 PM EST, 24 minutes earlier.
Area forecast discussion, Nov 29, 2:22 PM EST, 24 minutes before
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</html>Hazardous weather outlook, Nov 29, 1:53 PM EST, 53 minutes before
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Local storm report, Nov 29, 10:03 AM EST, 4 hours 43 minutes before
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</html>Local storm report, Nov 29, 10:15 AM EST, 4 hours 31 minutes before
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</html>The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 29, 2:13 AM EST | Winter Weather Advisory | BUF | Cayuga, Jefferson, Lewis, Oswego | 12 hr |
| Nov 29, 2:46 PM EST | Winter Weather Advisory | BUF | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more | 3 days |
Nearby
Winter Storm Watches in New York, 2019Every winter storm watch in 2019
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.