This alert expired on 12 March 2026 at 21:30 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. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued March 12 at 5:22AM 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 13, 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 78 % 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) | 52 / 100 |
| Our confidence | 78% |
| Coordinates | 41.8187, -72.6273 |
| Nearest City | South Windsor (1 km) |
| Population Exposed | 1.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-12T19:30:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood-Warning_noaa_urn-oid-2_49_0_1_840_0_8e68b011e2caaf1606b0f12c79a7b30b |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Litchfield, CT; Bristol, MA; Plymouth, MA |
| Headline | Flood Warning issued March 12 at 5:22AM EDT until March 14 at 5:00PM EDT by NWS Albany NY |
| Expires | 2026-03-12T17:30:00-04:00 |
| SenderName | NWS Albany NY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8e68b011e2caaf1606b0f12c79a7b30b768dc672.001.1","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 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.
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 188 scientific monitoring sources.