Alert archive / New York / Lake Effect Snow Advisories in 2012
Lake Effect Snow Advisory 4, NWS Albany, NY
NWS Albany, NY issued this lake effect snow advisory at Feb 13, 2012, 4:03 AM EST for Hamilton County, Herkimer County, New York. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Feb 13, 2012, 4:03 AM EST (09:03 UTC)
- Expired
- Feb 13, 2012, 9:03 AM EST
- In force
- 5 hr
- Issued by
- NWS Albany, NY
Counties Hamilton County, NY, Herkimer County, NY
The radar
The Ft Drum radar (KTYX), 80 km from the middle of the area, began a volume at 09:05 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, 9.1 hours before the alert went out and 119 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
- 0 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this lake effect snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Albany, NY wrote its last area forecast discussion before this lake effect snow advisory went out at Feb 12, 6:45 PM EST, 9 hours 18 minutes earlier.
Area forecast discussion, Feb 12, 6:45 PM EST, 9 hours 18 minutes before
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</html>Hazardous weather outlook, Feb 12, 4:06 PM EST, 11 hours 57 minutes before
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Lake Effect Snow Advisories in New York, 2012Every lake effect snow advisory in 2012
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.