Alert archive / Pennsylvania / Winter Storm Watches in 2008
Winter Storm Watch 13, NWS State College, PA
NWS State College, PA issued this winter storm watch at Dec 17, 2008, 3:34 PM EST for 17 counties in Pennsylvania. It took effect at Dec 19, 2008, 4:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 17, 2008, 3:34 PM EST (20:34 UTC)
- In effect from
- Dec 19, 2008, 4:00 AM EST
- Expired
- Dec 18, 2008, 4:28 PM EST
- In force
- Issued by
- NWS State College, PA
Counties Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Columbia County, PA, Elk County, PA, Lycoming County, PA, McKean County, PA, Montour County, PA, Northumberland County, PA, Potter County, PA, Schuylkill County, PA, Snyder County, PA, Sullivan County, PA, Tioga County, PA, Union County, PA, Warren County, PA
The radar
The State College radar (KCCX), 56 km from the middle of the area, began a volume at 20:31 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 12:00Z, 8.6 hours before the alert went out and 211 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
- 454 m above ground
- 0-6 km bulk shear
- 113 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 280 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 State College, PA wrote its last area forecast discussion before this winter storm watch went out at Dec 17, 2:53 PM EST, 41 minutes earlier.
Area forecast discussion, Dec 17, 2:53 PM EST, 41 minutes before
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</html>Hazardous weather outlook, Dec 17, 11:48 AM EST, 3 hours 46 minutes before
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Winter Storm Watches in Pennsylvania, 2008Every winter storm watch in 2008
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.