This alert expired on 3 August 2026 at 07:30 UTC. It is kept here as a record.
No stronger detection stands among the 24 recorded within 20 km of this point since 16 April 2026 — 6 others scored the same. The last comparable one was on 4 July 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued August 2 at 11:20PM EDT until August 3 at 3:30AM EDT by NWS Mount Holly NJ
An estimated 144,871 people live within 50 km of this point.
Nearby, since 16 April 2026
- August 27, 2026 · score 43 · 19.2 km
- June 12, 2026 · score 43 · 20.7 km
- August 13, 2026 · score 43 · 22.0 km
How we know
Confirmed by 12 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 91% |
| Coordinates | 41.5700, -75.7621 |
| Nearest City | Scranton (20 km) |
| Population Exposed | 144.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-03T03:20:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.706eedcc8d91f04804ad4f099166e10b |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Warren, NJ; Berks, PA; Bucks, PA; Lehigh, PA; Montgomery, PA; Northampton, PA; Broome, NY; Chenango, NY; Susquehanna, PA; Broome, NY |
| Headline | Flash Flood Warning issued August 2 at 11:20PM EDT until August 3 at 3:30AM EDT by NWS Mount Holly NJ |
| Expires | 2026-08-03T03:30:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.706eedcc8d91f04804ad4f099166e10b9e120741.001.1","noaa_urn:oid:2.49.0.1.840.0.9badf4c22fe190c07492ccbb1958b005f1419943.001.1","noaa_urn:oid:2.49.0.1.840.0.15f725198b203dc28364bddcb7437f6b516a84a0.001.1"] |
| Iem TypeSummary | R |
| Iem Magnitude | 1.87 |
| Iem Unit | Inch |
| Iem City | West Corners |
| Iem County | Broome |
| Iem State | NY |
| Iem Wfo | BGM |
| MergedSources | [{"id":"iem_F_41.610_-76.450_1785718020000","source":"iem","severity":"low","severityValue":25,"timestamp":1785718020000,"latitude":41.61,"longitude":-76.45},{"id":"iem_F_41.510_-76.550_1785719040000","source":"iem","severity":"low","severityValue":25,"timestamp":1785719040000,"latitude":41.51,"longitude":-76.55},{"id":"iem_R_42.080_-76.050_1785718560000","source":"iem","severity":"low","severityValue":25,"timestamp":1785718560000,"latitude":42.08,"longitude":-76.05},{"id":"iem_R_42.120_-76.070_1785715500000","source":"iem","severity":"low","severityValue":25,"timestamp":1785715500000,"latitude":42.12,"longitude":-76.07},{"id":"iem_F_41.410_-76.580_1785717780000","source":"iem","severity":"low","severityValue":25,"timestamp":1785717780000,"latitude":41.41,"longitude":-76.58},{"id":"iem_F_41.540_-76.360_1785719160000","source":"iem","severity":"low","severityValue":25,"timestamp":1785719160000,"latitude":41.54,"longitude":-76.36},{"id":"iem_R_41.590_-76.350_1785719520000","source":"iem","severity":"low","severityValue":25,"timestamp":1785719520000,"latitude":41.59,"longitude":-76.35},{"id":"iem_F_41.530_-76.380_1785717900000","source":"iem","severity":"low","severityValue":25,"timestamp":1785717900000,"latitude":41.53,"longitude":-76.38},{"id":"iem_F_41.470_-76.580_1785720900000","source":"iem","severity":"low","severityValue":25,"timestamp":1785720900000,"latitude":41.47,"longitude":-76.58},{"id":"iem_R_42.080_-76.050_1785723000000","source":"iem","severity":"low","severityValue":25,"timestamp":1785723000000,"latitude":42.08,"longitude":-76.05},{"id":"iem_R_42.120_-76.070_1785723900000","source":"iem","severity":"low","severityValue":25,"timestamp":1785723900000,"latitude":42.12,"longitude":-76.07}] |
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 near Scranton?
Calamity.live data shows a weather event with CalamityScore 43/100, near Scranton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.