This alert is in force until 3 September 2026, 19:15 UTC.
It is the 79th strongest of the 143 detections recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Flood Warning issued September 3 at 3:06AM EDT until September 4 at 8:27AM EDT by NWS State College PA
An estimated 71,362 people live within 50 km of this point.
Nearby, since 11 March 2026
- May 19, 2026 · score 34 · 12.9 km
- March 17, 2026 · score 34 · 13.8 km
- September 2, 2026 · score 46 · 22.9 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 32 out of 100, at 92 % 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
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 92% |
| Coordinates | 41.0363, -77.3668 |
| Nearest City | Williamsport (38 km) |
| Population Exposed | 71.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T07:06:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.8d5178b20563d964a2794ca38e4b453231e4ac5e.001.1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Centre, PA; Clinton, PA; Snyder, PA; Union, PA; Centre, PA; Clinton, PA; Lycoming, PA; Union, PA and 1 more areas |
| Headline | Flood Warning issued September 3 at 3:06AM EDT until September 4 at 8:27AM EDT by NWS State College PA |
| Expires | 2026-09-03T15:15:00-04:00 |
| SenderName | NWS State College PA |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8d5178b20563d964a2794ca38e4b453231e4ac5e.001.1","noaa_urn:oid:2.49.0.1.840.0.9e1df72155e40b4ec43fd8af9b912c2a9bde5415.001.1","noaa_urn:oid:2.49.0.1.840.0.21c69bf2af44c0eee25d0b4b82a58e2f16bab33e.001.1","noaa_urn:oid:2.49.0.1.840.0.43b5fad245b3081d89bd519252b12160e8d2eedd.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 3 WNW Lamar |
| Spc County | Clinton |
| Spc State | PA |
| Spc Comments | Tree down in Porter Township by I-80 EB. (CTP) |
| Iem TypeSummary | F |
| Iem City | Jersey Shore |
| Iem County | Lycoming |
| Iem State | PA |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 32/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.