Alert archive / Pennsylvania / Lake Effect Snow Advisories in 2012
Lake Effect Snow Advisory 2, NWS State College, PA
NWS State College, PA issued this lake effect snow advisory at Feb 24, 2012, 3:22 AM EST for McKean County, Warren County, Pennsylvania. It took effect at Feb 24, 2012, 7:00 PM EST. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Feb 24, 2012, 3:22 AM EST (08:22 UTC)
- In effect from
- Feb 24, 2012, 7:00 PM EST
- Expired
- Feb 25, 2012, 7:00 PM EST
- In force
- 24 hr
- Issued by
- NWS State College, PA
Counties McKean County, PA, Warren County, PA
The radar
The State College radar (KCCX), 125 km from the middle of the area, began a volume at 08:24 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
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 8.4 hours before the alert went out and 126 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
- 752 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 190 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 State College, PA wrote its last area forecast discussion before this lake effect snow advisory went out at Feb 24, 1:27 AM EST, 1 hour 55 minutes earlier.
Area forecast discussion, Feb 24, 1:27 AM EST, 1 hour 55 minutes before
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</html>The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 23, 9:52 PM EST | High Wind Warning | CTP | Bedford, Blair, Cambria, Cameron, Clearfield, Elk and 4 more | 24 hr |
| Feb 23, 9:52 PM EST | Wind Advisory | CTP | Adams, Cameron, Centre, Clearfield, Clinton, Columbia and 23 more | 37 hr |
| Feb 24, 4:47 AM EST | Wind Advisory | CTP | Bedford, Blair, Cambria, Somerset | 30 hr |
| Feb 24, 12:52 PM EST | Winter Weather Advisory | CTP | Cambria, Somerset | 33 hr |
Nearby
Lake Effect Snow Advisories in Pennsylvania, 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.