This alert expired on 12 March 2026 at 21:00 UTC. It is kept here as a record.
No stronger detection stands among the 80 recorded within 20 km of this point since 12 March 2026 — 4 others scored the same. The last comparable one was on 12 March 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued March 12 at 3:36AM EDT until March 14 at 5:00PM EDT by NWS Albany NY
An estimated 1,658,570 people live within 50 km of this point.
Nearby, since 12 March 2026
- March 12, 2026 · score 52 · 0.0 km
- August 3, 2026 · score 46 · 11.9 km
- March 12, 2026 · score 52 · 16.4 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 79 % 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 | 79% |
| Coordinates | 41.8187, -72.6273 |
| Nearest City | South Windsor (1 km) |
| Population Exposed | 1.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-13T03:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood-Warning_noaa_urn-oid-2_49_0_1_840_0_dd829a8687b32b57337ff1150d33d1a3 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Litchfield, CT; Bristol, MA; Plymouth, MA |
| Headline | Flood Warning issued March 12 at 3:36AM EDT until March 14 at 5:00PM EDT by NWS Albany NY |
| Expires | 2026-03-12T17:00:00-04:00 |
| SenderName | NWS Albany NY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.dd829a8687b32b57337ff1150d33d1a37671a119.002.1","noaa_urn:oid:2.49.0.1.840.0.dd829a8687b32b57337ff1150d33d1a37671a119.001.1","noaa_urn:oid:2.49.0.1.840.0.d736bd37451b912bdbbcba9c816d0b7f2628f39a.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.
Want to know when something happens near South Windsor?
Calamity.live data shows a weather event with CalamityScore 52/100, near South Windsor (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.