Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 169, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jul 17, 1996, 3:30 AM EDT for Potter County, Pennsylvania. It was in force for 60 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 17, 1996, 3:30 AM EDT (07:30 UTC)
- Expired
- Jul 17, 1996, 4:30 AM EDT
- In force
- 60 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Potter County, PA
The radar
The State College radar (KCCX), 92 km from the middle of the area, began a volume at 07:30 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 17, 3:40 AM EDT | Hail 0.75 | Roulette, PA | |
| Jul 17, 4:00 AM EDT | Thunderstorm Wind 50 | Coudersport, PA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 7.5 hours before the alert went out and 237 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
- 270 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1439 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Jul 17, 3:02 AM EDT, 28 minutes earlier.
Area forecast discussion, Jul 17, 3:02 AM EDT, 28 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 |
|---|---|---|---|---|
| Jul 16, 8:21 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 69 min |
| Jul 16, 11:12 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 63 min |
| Jul 17, 2:45 AM EDT | Flash Flood Warning | CTP | McKean | 60 min |
| Jul 17, 2:45 AM EDT | Severe Thunderstorm Warning | CTP | McKean | 60 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1996Every severe thunderstorm warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.