Alert archive / New York / Lake Effect Snow Watches in 2007
Lake Effect Snow Watch 12, NWS Buffalo, NY
NWS Buffalo, NY issued this lake effect snow watch at Apr 4, 2007, 3:26 PM EDT for Jefferson County, Lewis County, Oswego County, New York. It took effect at Apr 5, 2007, 6:00 PM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 4, 2007, 3:26 PM EDT (19:26 UTC)
- In effect from
- Apr 5, 2007, 6:00 PM EDT
- Expired
- Apr 5, 2007, 10:42 AM EDT
- In force
- Issued by
- NWS Buffalo, NY
Counties Jefferson County, NY, Lewis County, NY, Oswego County, NY
The radar
The Ft Drum radar (KTYX), 18 km from the middle of the area, began a volume at 19:29 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 12:00Z, 7.4 hours before the alert went out and 205 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
- 657 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 687 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 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 lake effect snow watch went out at Apr 4, 2:56 PM EDT, 30 minutes earlier.
Area forecast discussion, Apr 4, 2:56 PM EDT, 30 minutes before
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</html>Hazardous weather outlook, Apr 4, 3:26 PM EDT, 0 minutes before
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Lake Effect Snow Watches in New York, 2007Every lake effect snow watch in 2007
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.