Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 181, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Sep 9, 2008, 4:31 AM EDT for Blair County, Cambria County, Pennsylvania. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 9, 2008, 4:31 AM EDT (08:31 UTC)
- Expired
- Sep 9, 2008, 5:15 AM EDT
- In force
- 44 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
Counties Blair County, PA, Cambria County, PA
The radar
The State College radar (KCCX), 66 km from the middle of the area, began a volume at 08:34 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 00:00Z, 8.5 hours before the alert went out and 133 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
- 1722 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Sep 9, 1:44 AM EDT, 2 hours 47 minutes earlier.
Area forecast discussion, Sep 9, 1:44 AM EDT, 2 hours 47 minutes before
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</html>In the hours before
Special weather statement, Sep 9, 4:27 AM EDT, 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 427 AM EDT TUE SEP 9 2008 PAZ024-025-090900- BLAIR PA-CAMBRIA PA- 427 AM EDT TUE SEP 9 2008 ...A STRONG THUNDERSTORM WILL AFFECT CAMBRIA AND WEST CENTRAL BLAIR COUNTIES... AT 421 AM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR WESTMONT... MOVING NORTHEAST AT 45 MPH. WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM. THIS STORM WILL BE NEAR NANTY-GLO AROUND 440 AM...EBENSBURG AROUND 450 AM AND ASHVILLE AROUND 500 AM. FORECASTER: KF
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 5:11 AM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Clinton, Huntingdon, Mifflin, Montour and 3 more | 64 min |
| Sep 9, 6:14 AM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Huntingdon, Somerset | 46 min |
| Sep 9, 6:22 AM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Juniata, Mifflin, Perry, Snyder | 53 min |
| Sep 9, 7:38 AM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and 2 more | 3 hr |
| Sep 9, 8:11 AM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 44 min |
| Sep 9, 8:45 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 75 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2008Every severe thunderstorm warning 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.