Alert archive / Pennsylvania / High Wind Watches in 2009
High Wind Watch 1, NWS State College, PA
NWS State College, PA issued this high wind watch at Feb 10, 2009, 3:31 PM EST for 24 counties in Pennsylvania. It took effect at Feb 12, 2009, 1:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 10, 2009, 3:31 PM EST (20:31 UTC)
- In effect from
- Feb 12, 2009, 1:00 AM EST
- Expired
- Feb 11, 2009, 3:09 PM EST
- In force
- Issued by
- NWS State College, PA
All 24 counties
Adams County, PA, Bedford County, PA, Blair County, PA, Cambria County, PA, Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Cumberland County, PA, Dauphin County, PA, Elk County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lancaster County, PA, Lebanon County, PA, McKean County, PA, Mifflin County, PA, Perry County, PA, Potter County, PA, Somerset County, PA, Warren County, PA, York County, PA
The radar
The State College radar (KCCX), 37 km from the middle of the area, began a volume at 20:33 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
Pittsburgh, PA (KPIT), launched 12:00Z, 8.5 hours before the alert went out and 193 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
- 7 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1310 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 326 m²/s²
- 0-3 km storm-relative helicity
- 390 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind 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 high wind watch went out at Feb 10, 1:29 PM EST, 2 hours 2 minutes earlier.
Area forecast discussion, Feb 10, 1:29 PM EST, 2 hours 2 minutes before
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</html>Hazardous weather outlook, Feb 10, 3:33 AM EST, 11 hours 58 minutes before
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High Wind Watches in Pennsylvania, 2009Every high wind watch 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.