Right now
The most recent data we hold from NOAA arrived 10 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
10 other detections within 20 km in the last 24 hours, the nearest 4 km from here.
This alert expired on 13 September 2026 at 17:00 UTC. It is kept here as a record.
It is the 17th strongest of the 43 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 13 at 11:03AM EDT until September 13 at 1:00PM EDT by NWS Upton NY
An estimated 2,673,629 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 21, 2026 · score 52 · 2.0 km
- September 13, 2026 · score 46 · 4.5 km
- September 13, 2026 · score 46 · 4.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 82 % 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) | 46 / 100 |
| Our confidence | 82% |
| Coordinates | 41.1380, -73.1874 |
| Nearest City | Bridgeport (5 km) |
| Population Exposed | 2.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-13T15:03:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.4fb361e8e5bd4f92767dd285bfa1c5ecbdf36a23.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Bergen, NJ; Essex, NJ; Hudson, NJ; Passaic, NJ; Fairfield, CT; Middlesex, CT; New Haven, CT; New London, CT; Putnam, NY; Bristol, MA; Bristol, RI; Kent, RI; Newport, RI; Providence, RI; Washington, RI and 8 more areas |
| Headline | Flash Flood Warning issued September 13 at 11:03AM EDT until September 13 at 1:00PM EDT by NWS Upton NY |
| Expires | 2026-09-13T13:00:00-04:00 |
| SenderName | NWS Upton NY |
| HasExactCoords | true |
| MergedCount | 11 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4fb361e8e5bd4f92767dd285bfa1c5ecbdf36a23.001.1","noaa_urn:oid:2.49.0.1.840.0.38d798c906318ce4d2b11fb6329b757357f12695.002.1","noaa_urn:oid:2.49.0.1.840.0.a75ea6f66032cea1fa74200feefff7549fba238f.001.1","noaa_urn:oid:2.49.0.1.840.0.07522d38e3eea70c93af855500adb2bc58b750d1.001.1","noaa_urn:oid:2.49.0.1.840.0.c7c8561550bb254a2772b422f298f8379ffcb086.001.1","noaa_urn:oid:2.49.0.1.840.0.65ee2fb2686bb320cefb43bff56c1eec879bda78.001.1","noaa_urn:oid:2.49.0.1.840.0.c953ea8a53b73a57f81c195feec7890a7fec62df.001.1","noaa_urn:oid:2.49.0.1.840.0.c9581c79149151054a24b3f0950c480d72416224.001.1","noaa_urn:oid:2.49.0.1.840.0.80e283f5a6e3e840071058c62c7582f63b3d63f8.001.1","noaa_urn:oid:2.49.0.1.840.0.b46306e55d3e62c53e604b9063757fc38f7a3858.001.1","noaa_urn:oid:2.49.0.1.840.0.b80b89ef35b88d9c4211ae1ecae9620092bd36a5.001.1"] |
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.
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