Alert archive / Pennsylvania / Freeze Warnings in 2010
Freeze Warning 2, NWS State College, PA
NWS State College, PA issued this freeze warning at Apr 28, 2010, 2:23 PM EDT for 9 counties in Pennsylvania. It took effect at Apr 29, 2010, 2:00 AM EDT. It was in force for 3 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
- Apr 28, 2010, 2:23 PM EDT (18:23 UTC)
- In effect from
- Apr 29, 2010, 2:00 AM EDT
- Expired
- Apr 29, 2010, 5:13 AM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
Counties Bedford County, PA, Blair County, PA, Centre County, PA, Clinton County, PA, Columbia County, PA, Lycoming County, PA, Somerset County, PA, Sullivan County, PA, Tioga County, PA
The radar
The State College radar (KCCX), 32 km from the middle of the area, began a volume at 18:26 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, 6.4 hours before the alert went out and 217 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
- 777 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze 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 freeze warning went out at Apr 28, 10:51 AM EDT, 3 hours 32 minutes earlier.
Area forecast discussion, Apr 28, 10:51 AM EDT, 3 hours 32 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 |
|---|---|---|---|---|
| Apr 28, 5:34 AM EDT | Freeze Watch | CTP | Bedford, Blair, Centre, Clinton, Lycoming, Somerset and 2 more | 9 hr |
| Apr 28, 2:36 PM EDT | Fire Weather Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 15 hr |
Nearby
Freeze Warnings in Pennsylvania, 2010Every freeze 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.