Alert archive / Pennsylvania / Winter Storm Warnings in 2010
Winter Storm Warning 6, NWS State College, PA
NWS State College, PA issued this winter storm warning at Feb 24, 2010, 3:15 PM EST for 12 counties in Pennsylvania. It took effect at Feb 25, 2010, 5:00 AM EST. It was in force for 47 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 24, 2010, 3:15 PM EST (20:15 UTC)
- In effect from
- Feb 25, 2010, 5:00 AM EST
- Expired
- Feb 27, 2010, 4:00 AM EST
- In force
- 47 hr
- Issued by
- NWS State College, PA
Counties Cambria County, PA, Columbia County, PA, Lycoming County, PA, McKean County, PA, Montour County, PA, Northumberland County, PA, Potter County, PA, Schuylkill County, PA, Somerset County, PA, Sullivan County, PA, Tioga County, PA, Warren County, PA
The radar
The State College radar (KCCX), 49 km from the middle of the area, began a volume at 20:13 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.3 hours before the alert went out and 224 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
- 632 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -54 m²/s²
- 0-3 km storm-relative helicity
- 117 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 warning 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 warning went out at Feb 24, 1:13 PM EST, 2 hours 2 minutes earlier.
Area forecast discussion, Feb 24, 1:13 PM EST, 2 hours 2 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, 8:21 PM EST | Winter Storm Watch | CTP | Columbia, Dauphin, Lancaster, Lebanon, Lycoming, McKean and 11 more | 29 hr |
| Feb 24, 3:15 PM EST | Winter Weather Advisory | CTP | Adams, Cambria, Cameron, Centre, Clearfield, Clinton and 11 more | 48 hr |
Nearby
Winter Storm Warnings in Pennsylvania, 2010Every winter storm warning in 2010
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.