Alert archive / New York / Lake Effect Snow Advisories in 2009
Lake Effect Snow Advisory 31, NWS Buffalo, NY
NWS Buffalo, NY issued this lake effect snow advisory at Jan 9, 2009, 4:01 AM EST for Erie County, New York. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Jan 9, 2009, 4:01 AM EST (09:01 UTC)
- Expired
- Jan 9, 2009, 8:34 PM EST
- In force
- 17 hr
- Issued by
- NWS Buffalo, NY
County Erie County, NY
The radar
The Buffalo radar (KBUF), 21 km from the middle of the area, began a volume at 09:01 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
Detroit, MI (KDTX), launched 00:00Z, 9.0 hours before the alert went out and 380 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
- 591 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 134 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 Buffalo, NY wrote its last area forecast discussion before this lake effect snow advisory went out at Jan 9, 3:23 AM EST, 38 minutes earlier.
Area forecast discussion, Jan 9, 3:23 AM EST, 38 minutes before
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</html>Hazardous weather outlook, Jan 8, 8:33 PM EST, 7 hours 28 minutes before
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Special weather statement, Jan 9, 1:48 AM EST, 2 hours 13 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 |
|---|---|---|---|---|
| Jan 9, 3:56 PM EST | Winter Storm Warning | BUF | Allegany, Cattaraugus, Chautauqua | 38 hr |
Nearby
Lake Effect Snow Advisories in New York, 2009Every lake effect snow advisory in 2009
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.