Alert archive / Pennsylvania / Frost Advisories in 2007
Frost Advisory 6, NWS State College, PA
NWS State College, PA issued this frost advisory at Sep 16, 2007, 4:36 AM EDT for 15 counties in Pennsylvania. It took effect at Sep 16, 2007, 12:01 PM EDT. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Sep 16, 2007, 4:36 AM EDT (08:36 UTC)
- In effect from
- Sep 16, 2007, 12:01 PM EDT
- Expired
- Sep 17, 2007, 9:00 AM EDT
- In force
- 21 hr
- 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, Montour County, PA, Northumberland 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), 58 km from the middle of the area, began a volume at 08:42 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, 8.6 hours before the alert went out and 222 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
- 9 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1011 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this frost 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 frost advisory went out at Sep 16, 4:21 AM EDT, 15 minutes earlier.
Area forecast discussion, Sep 16, 4:21 AM EDT, 15 minutes before
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Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 4:36 AM EDT | Freeze Watch | CTP | McKean, Potter | 10 hr |
| Sep 16, 2:15 PM EDT | Freeze Warning | CTP | McKean, Potter | 19 hr |
Nearby
Frost Advisories in Pennsylvania, 2007Every frost advisory in 2007
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.