Alert archive / Pennsylvania / Frost Advisories in 2008
Frost Advisory 7, NWS State College, PA
NWS State College, PA issued this frost advisory at May 27, 2008, 11:59 AM EDT for McKean County, Potter County, Tioga County, Pennsylvania. It took effect at May 28, 2008, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 27, 2008, 11:59 AM EDT (15:59 UTC)
- In effect from
- May 28, 2008, 2:00 AM EDT
- Expired
- May 28, 2008, 8:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS State College, PA
Counties McKean County, PA, Potter County, PA, Tioga County, PA
The radar
The State College radar (KCCX), 95 km from the middle of the area, began a volume at 16:02 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, 4.0 hours before the alert went out and 238 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
- 228 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 789 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 May 27, 11:55 AM EDT, 4 minutes earlier.
Area forecast discussion, May 27, 11:55 AM EDT, 4 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 |
|---|---|---|---|---|
| May 27, 6:10 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 65 min |
Nearby
Frost Advisories in Pennsylvania, 2008Every frost advisory 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.