This alert expired on 20 June 2026 at 11:15 UTC. It is kept here as a record.
No stronger detection stands among the 80 recorded within 20 km of this point since 16 March 2026 — 9 others scored the same. The last comparable one was on 19 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued June 20 at 1:26AM EDT until June 20 at 7:15AM EDT by NWS Burlington VT
An estimated 98,035 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 1, 2026 · score 39 · 12.4 km
- August 11, 2026 · score 39 · 17.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 80 % 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) | 39 / 100 |
| Our confidence | 80% |
| Coordinates | 44.4317, -72.9725 |
| Nearest City | South Burlington (16 km) |
| Population Exposed | 98.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-20T05:26:00.000Z |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Addison, VT; Chittenden, VT; Franklin, VT; Lamoille, VT; Washington, VT |
| Headline | Flood Warning issued June 20 at 1:26AM EDT until June 20 at 7:15AM EDT by NWS Burlington VT |
| Expires | 2026-06-20T07:15:00-04:00 |
| SenderName | NWS Burlington VT |
| HasExactCoords | true |
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 39/100, near South Burlington (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.