Alert archive / Pennsylvania / Special Weather Statements in 2021
Special Weather Statement, NWS State College, PA
NWS State College, PA issued this special weather statement at Aug 29, 2021, 7:45 PM EDT for Somerset County, Pennsylvania. It was in force for 15 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 29, 2021, 7:45 PM EDT (23:45 UTC)
- Expired
- Aug 29, 2021, 8:00 PM EDT
- In force
- 15 min
- Issued by
- NWS State College, PA
- Hail
- 0.00 in
- Wind
- 55
County Somerset County, PA
The radar
The State College radar (KCCX), 137 km from the middle of the area, began a volume at 23:48 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, 11.8 hours before the alert went out and 125 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
- 985 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 957 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 29, 7:34 PM EDT, 11 minutes earlier.
Area forecast discussion, Aug 29, 7:34 PM EDT, 11 minutes before
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</html>Hazardous weather outlook, Aug 29, 4:58 AM EDT, 14 hours 47 minutes before
Hazardous Weather Outlook National Weather Service State College PA 458 AM EDT Sun Aug 29 2021 PAZ028-036-042-046-049>053-056>059-063>066-300900- Juniata-Franklin-Sullivan-Southern Lycoming-Union-Snyder-Montour- Northumberland-Columbia-Perry-Dauphin-Schuylkill-Lebanon-Cumberland- Adams-York-Lancaster- 458 AM EDT Sun Aug 29 2021 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. We are continuing to monitor the potential for heavy rain and flooding impacts Wednesday into Thursday in association with Ida. The greatest risk appears to be over the southern part of central Pennsylvania. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. PAZ004>006-010>012-017>019-024>027-033>035-037-041-045-300900- Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield- Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Mifflin- Somerset-Bedford-Fulton-Tioga-Northern Lycoming-Southern Clinton- 458 AM EDT Sun Aug 29 2021 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and tonight. Slow-moving thunderstorms with locally heavy downpours could lead to isolated minor flooding issues this afternoon and evening. .DAYS TWO THROUGH SEVEN...Monday through Saturday. We are continuing to monitor the potential for heavy rain and flooding impacts Wednesday into Thursday in association with Ida. The greatest risk appears to be over the southern part of central Pennsylvania. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MRS
In the hours before
Special weather statement, Aug 29, 4:45 PM EDT, 3 hours before
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</html>Local storm report, Aug 29, 5:13 PM EDT, 2 hours 32 minutes before
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</html>Special weather statement, Aug 29, 6:36 PM EDT, 1 hour 9 minutes before
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</html>Special weather statement, Aug 29, 6:50 PM EDT, 55 minutes before
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</html>Special weather statement, Aug 29, 7:26 PM EDT, 19 minutes before
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</html>Special weather statement, Aug 29, 7:45 PM EDT, 0 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 |
|---|---|---|---|---|
| Aug 29, 4:24 PM EDT | Special Weather Statement | CTP | Clearfield | 21 min |
| Aug 29, 4:45 PM EDT | Special Weather Statement | CTP | Clearfield | 15 min |
| Aug 29, 5:00 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 45 min |
| Aug 29, 6:02 PM EDT | Areal Flood Advisory | CTP | Somerset | 58 min |
| Aug 29, 6:36 PM EDT | Special Weather Statement | CTP | Cambria | 24 min |
| Aug 29, 6:50 PM EDT | Special Weather Statement | CTP | Clearfield | 25 min |
| Aug 29, 7:26 PM EDT | Special Weather Statement | CTP | Somerset | 19 min |
Nearby
Special Weather Statements in Pennsylvania, 2021Every special weather statement in 2021
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.