This alert expired on 20 March 2026 at 18:15 UTC. It is kept here as a record.
No stronger detection stands among the 57 recorded within 20 km of this point since 16 March 2026 — 9 others scored the same. The last comparable one was on 17 March 2026. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued March 19 at 12:01PM EDT until March 21 at 2:00PM EDT by NWS Grand Rapids MI
An estimated 175,807 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 21, 2026 · score 43 · 0.0 km
- March 20, 2026 · score 43 · 0.0 km
- July 3, 2026 · score 43 · 11.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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 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 | 82% |
| Coordinates | 42.2564, -85.6171 |
| Nearest City | Kalamazoo (4 km) |
| Population Exposed | 175.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-19T16:01:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.2db5f58e0444bbad86b17a4950001921 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Kent, MI; Noble, IN |
| Headline | Flood Warning issued March 19 at 12:01PM EDT until March 21 at 2:00PM EDT by NWS Grand Rapids MI |
| Expires | 2026-03-20T14:15:00-04:00 |
| SenderName | NWS Grand Rapids MI |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2db5f58e0444bbad86b17a495000192131766e94.002.1","noaa_urn:oid:2.49.0.1.840.0.c125d94682130abd4382aa6527dab9312fe27e15.001.1"] |
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 Kalamazoo?
Calamity.live data shows a weather event with CalamityScore 43/100, near Kalamazoo (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.