Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 198, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Sep 28, 2010, 8:24 AM EDT for 6 counties in Pennsylvania. It was in force for 66 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 28, 2010, 8:24 AM EDT (12:24 UTC)
- Expired
- Sep 28, 2010, 9:30 AM EDT
- In force
- 66 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
Counties Blair County, PA, Centre County, PA, Clinton County, PA, Fulton County, PA, Huntingdon County, PA, Mifflin County, PA
The radar
The State College radar (KCCX), 37 km from the middle of the area, began a volume at 12:27 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 0.4 hours before the alert went out and 199 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
- 246 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 729 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 288 m²/s²
- 0-3 km storm-relative helicity
- 308 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 1.6
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 27, 3:36 PM EDT, 16 hours 48 minutes earlier.
Area forecast discussion, Sep 27, 3:36 PM EDT, 16 hours 48 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 |
|---|---|---|---|---|
| Sep 28, 1:23 AM EDT | Special Weather Statement | CTP | Somerset | 37 min |
| Sep 28, 4:46 AM EDT | Special Weather Statement | CTP | Bedford, Somerset | 44 min |
| Sep 28, 4:48 AM EDT | Special Weather Statement | CTP | Bedford, Somerset | 42 min |
| Sep 28, 5:03 AM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 57 min |
| Sep 28, 5:57 AM EDT | Special Weather Statement | CTP | Blair, Cambria | 48 min |
| Sep 28, 6:44 AM EDT | Special Weather Statement | CTP | Blair, Clearfield | 46 min |
| Sep 28, 7:23 AM EDT | Severe Thunderstorm Warning | CTP | Bedford, Franklin, Fulton, Huntingdon | 67 min |
| Sep 28, 7:34 AM EDT | Special Weather Statement | CTP | Cameron, Centre | 41 min |
| Sep 28, 8:14 AM EDT | Special Weather Statement | CTP | Fulton, Huntingdon | 31 min |
| Sep 28, 9:15 AM EDT | Special Weather Statement | CTP | Lancaster | 30 min |
| Sep 28, 9:55 AM EDT | Special Weather Statement | CTP | Sullivan | 35 min |
| Sep 28, 10:09 AM EDT | Special Weather Statement | CTP | Carbon | 21 min |
| Sep 28, 10:18 AM EDT | Special Weather Statement | CTP | Lancaster | 27 min |
| Sep 28, 10:20 AM EDT | Special Weather Statement | CTP | Lancaster | 25 min |
| Sep 28, 10:33 AM EDT | Special Weather Statement | CTP | Sullivan | 42 min |
| Sep 28, 11:03 AM EDT | Special Weather Statement | CTP | Franklin, Mifflin | 57 min |
| Sep 28, 12:02 PM EDT | Special Weather Statement | CTP | Union | 43 min |
| Sep 28, 1:22 PM EDT | Special Weather Statement | CTP | Lycoming | 53 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2010Every severe thunderstorm 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.