Calamity
MediumSevere WeatherCalamity Score: 16

Severe Weather in United States

PotterUnited StatesNOAA

This alert expired on 2 September 2026 at 14:15 UTC. It is kept here as a record.

It is the 8th strongest of the 15 detections recorded within 20 km of this point since 16 April 2026. Another comparable one was recorded here earlier the same day.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued September 2 at 9:43AM EDT until September 2 at 10:15AM EDT by NWS Pittsburgh PA

Nearby, since 16 April 2026

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 16 out of 100, at 66 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeSevere Weather
SeverityMedium
Calamity Score (ours)16 / 100
Our confidence66%
Coordinates41.6233, -78.1649
Nearest CityState College (96 km)
Impact Tierminor
Timestamp2026-09-02T13:43:00.000Z
Sourcehttps://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.835576530898d7ed9d5595e53de6ffc483df805f.001.1

Score Breakdown

35
intensity
0
population
0
cascading
18
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescIndiana, PA; Jefferson, PA; Blair, PA; Cambria, PA; Centre, PA; Clearfield, PA; Butler, PA; Clarion, PA; Venango, PA and 3 more areas
HeadlineSevere Thunderstorm Warning issued September 2 at 9:43AM EDT until September 2 at 10:15AM EDT by NWS Pittsburgh PA
Expires2026-09-02T10:15:00-04:00
SenderNameNWS Pittsburgh PA
HasExactCoordstrue
MergedCount6
MergedIds["noaa_urn:oid:2.49.0.1.840.0.835576530898d7ed9d5595e53de6ffc483df805f.001.1","noaa_urn:oid:2.49.0.1.840.0.ebe2dc468e2731a5320ce31b2f4be8b76c8121b3.001.1","noaa_urn:oid:2.49.0.1.840.0.5a14532c051cec5089931bc35a283d4fbfcf7748.001.1","noaa_urn:oid:2.49.0.1.840.0.01ba22300bfe40f0285f874b6854227dcc51830c.001.1","noaa_urn:oid:2.49.0.1.840.0.70b59402e9ff0eeb19d1d43bee6d50e4ab2a3964.001.1","noaa_urn:oid:2.49.0.1.840.0.dbfeb746caa1d52c6ae08bdfd429f9f5d705d304.001.1"]
Spc ReportTypewind
Spc SpeedUNK
Spc Location5 E Brandy Camp
Spc CountyElk
Spc StatePA
Spc CommentsTree down over road at the block of 6100. (CTP)
MergedSources[{"id":"spc_wind_41.33_-78.60_11","source":"spc","severity":"medium","severityValue":45,"timestamp":1788354540000,"latitude":41.33,"longitude":-78.6}]

Safety Information

Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.

Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.

This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.

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Calamity.live data shows a weather event with CalamityScore 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.