This alert expired on 3 August 2026 at 12:00 UTC. It is kept here as a record.
It is the strongest of the 8 detections recorded within 20 km of this point since 11 June 2026. The last comparable one was on 2 August 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued August 2 at 8:25PM EDT until August 3 at 8:00AM EDT by NWS State College PA
An estimated 29,201 people live within 50 km of this point.
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 91 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 91% |
| Coordinates | 40.8733, -77.0617 |
| Nearest City | Williamsport (41 km) |
| Population Exposed | 29.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-03T01:00:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.113a7371242e0d5ed2b34d42165b900baa120542.001.1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Snyder, PA; Union, PA |
| Headline | Flood Warning issued August 2 at 8:25PM EDT until August 3 at 8:00AM EDT by NWS State College PA |
| Expires | 2026-08-03T08:00:00-04:00 |
| SenderName | NWS State College PA |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 2 SE Cogan Station |
| Iem County | Lycoming |
| Iem State | PA |
| Iem Wfo | CTP |
| Iem Remark | Water rescue reported due to car trapped on flooded roadway. |
| MergedSources | [{"id":"iem_F_40.920_-77.130_1785709740000","source":"iem","severity":"low","severityValue":25,"timestamp":1785709740000,"latitude":40.92,"longitude":-77.13},{"id":"iem_F_40.900_-77.150_1785711480000","source":"iem","severity":"low","severityValue":25,"timestamp":1785711480000,"latitude":40.9,"longitude":-77.15},{"id":"iem_F_41.270_-76.980_1785706800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785706800000,"latitude":41.27,"longitude":-76.98},{"id":"iem_F_41.070_-77.040_1785712200000","source":"iem","severity":"low","severityValue":25,"timestamp":1785712200000,"latitude":41.07,"longitude":-77.04},{"id":"iem_F_41.280_-77.050_1785703140000","source":"iem","severity":"low","severityValue":25,"timestamp":1785703140000,"latitude":41.28,"longitude":-77.05},{"id":"iem_F_41.290_-77.000_1785705060000","source":"iem","severity":"low","severityValue":25,"timestamp":1785705060000,"latitude":41.29,"longitude":-77}] |
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 10 February 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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.