Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 107, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jul 19, 2020, 7:43 PM EDT for Clearfield County, Elk County, Pennsylvania. It was in force for 47 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
- Jul 19, 2020, 7:43 PM EDT (23:43 UTC)
- Expired
- Jul 19, 2020, 8:30 PM EDT
- In force
- 47 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Clearfield County, PA, Elk County, PA
The radar
The State College radar (KCCX), 57 km from the middle of the area, began a volume at 23:43 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, 11.7 hours before the alert went out and 157 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
- 215 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1236 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 19, 4:23 PM EDT, 3 hours 20 minutes earlier.
Area forecast discussion, Jul 19, 4:23 PM EDT, 3 hours 20 minutes before
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</html>Hazardous weather outlook, Jul 19, 12:43 PM EDT, 7 hours before
Hazardous Weather Outlook National Weather Service State College PA 1243 PM EDT Sun Jul 19 2020 PAZ004>006-010-011-201645- Warren-McKean-Potter-Elk-Cameron- 1243 PM EDT Sun Jul 19 2020 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...This afternoon and tonight. Severe thunderstorms with damaging winds 60 mph or greater and large hail exceeding 1 inch in diameter are possible this evening. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather. PAZ012-017>019-024>028-033-034-037-041-042-045-046-049>053-201645- Northern Clinton-Clearfield-Northern Centre-Southern Centre-Cambria- Blair-Huntingdon-Mifflin-Juniata-Somerset-Bedford-Tioga- Northern Lycoming-Sullivan-Southern Clinton-Southern Lycoming-Union- Snyder-Montour-Northumberland-Columbia- 1243 PM EDT Sun Jul 19 2020 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...This afternoon and tonight. Strong to severe thunderstorms with gusty winds and hail are possible this evening. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather. PAZ036-057-059-063>066-201645- Franklin-Dauphin-Lebanon-Cumberland-Adams-York-Lancaster- 1243 PM EDT Sun Jul 19 2020 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT MONDAY... This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov/StateCollege on the internet for more information about the following hazards. Heat Advisory. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Please listen to NOAA Weather Radio or go to weather.gov/StateCollege on the internet for more information about the following hazards. Heat Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. PAZ035-056-058-201645- Fulton-Perry-Schuylkill- 1243 PM EDT Sun Jul 19 2020 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...This afternoon and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Local storm report, Jul 19, 6:20 PM EDT, 1 hour 23 minutes before
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</html>Local storm report, Jul 19, 6:21 PM EDT, 1 hour 22 minutes before
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</html>Special weather statement, Jul 19, 6:35 PM EDT, 1 hour 8 minutes before
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</html>Special weather statement, Jul 19, 6:46 PM EDT, 57 minutes before
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</html>Special weather statement, Jul 19, 7:16 PM EDT, 27 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 19, 2:23 PM EDT | Special Weather Statement | CTP | Warren | 37 min |
| Jul 19, 3:05 PM EDT | Special Weather Statement | CTP | Warren | 25 min |
| Jul 19, 3:22 PM EDT | Special Weather Statement | CTP | McKean | 38 min |
| Jul 19, 3:50 PM EDT | Special Weather Statement | CTP | Potter | 40 min |
| Jul 19, 4:29 PM EDT | Special Weather Statement | CTP | Cameron, Elk, Potter, Tioga | 46 min |
| Jul 19, 4:49 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Elk, Potter, Tioga | 59 min |
| Jul 19, 5:17 PM EDT | Special Weather Statement | CTP | Schuylkill | 58 min |
| Jul 19, 5:31 PM EDT | Special Weather Statement | CTP | Clearfield | 29 min |
| Jul 19, 6:22 PM EDT | Special Weather Statement | CTP | Centre | 23 min |
| Jul 19, 6:35 PM EDT | Special Weather Statement | CTP | Warren | 40 min |
| Jul 19, 6:46 PM EDT | Special Weather Statement | CTP | Centre, Mifflin | 44 min |
| Jul 19, 7:16 PM EDT | Special Weather Statement | CTP | Snyder | 44 min |
| Jul 19, 7:20 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Mifflin, Snyder, Union | 27 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2020Every severe thunderstorm warning in 2020
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.