This alert expired on 18 March 2026 at 16:15 UTC. It is kept here as a record.
No stronger detection stands among the 41 recorded within 20 km of this point since 11 March 2026 — 9 others scored the same. Another comparable one was recorded here earlier the same day. 13 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued March 17 at 4:03PM EDT until March 19 at 6:31AM EDT by NWS Boston/Norton MA
An estimated 1,741,554 people live within 50 km of this point.
Nearby, since 11 March 2026
- July 21, 2026 · score 52 · 11.7 km
- March 17, 2026 · score 52 · 12.7 km
- June 23, 2026 · score 52 · 15.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 81 % 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) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 41.8150, -71.2790 |
| Nearest City | East Providence (8 km) |
| Population Exposed | 1.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-17T20:03:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.5abe41aaa1d1012523fc2a51f96ebe35 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Kent, RI; Providence, RI; Bristol, MA; Plymouth, MA |
| Headline | Flood Warning issued March 17 at 4:03PM EDT until March 19 at 6:31AM EDT by NWS Boston/Norton MA |
| Expires | 2026-03-18T12:15:00-04:00 |
| SenderName | NWS Boston/Norton MA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5abe41aaa1d1012523fc2a51f96ebe35d36a292c.001.1","noaa_urn:oid:2.49.0.1.840.0.faea710527689872ac2c740df42af5ec285b513a.003.1"] |
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.
Want to know when something happens near East Providence?
Calamity.live data shows a weather event with CalamityScore 52/100, near East Providence (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.