Calamity
MediumSevere WeatherCalamity Score: 16

Severe Weather in United States

FlatheadUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

Nothing else has been detected within 20 km in the last 24 hours.

This alert expired on 7 May 2026 at 21:15 UTC. It is kept here as a record.

No stronger detection stands among the 7 recorded within 20 km of this point since 8 March 2026 — 2 others scored the same. The last comparable one was on 16 April 2026.

What the source measured

NOAA reported: Flood Watch issued May 6 at 3:10PM MDT by NWS Missoula MT

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 16 out of 100, at 59 % 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

TypeSevere Weather
SeverityMedium
Calamity Score (ours)16 / 100
Our confidence59%
Coordinates48.9056, -114.3867
Nearest CityKalispell (79 km)
Impact Tierminor
Timestamp2026-05-06T21:10:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f431e26a7b8c9712789188d82f80c74e3496bb26.001.1

Score Breakdown

35
intensity
0
population
0
cascading
18
historical

Technical Details

EventFlood Watch
UrgencyFuture
CertaintyPossible
AreaDescFlathead, MT
HeadlineFlood Watch issued May 6 at 3:10PM MDT by NWS Missoula MT
Expires2026-05-07T15:15:00-06:00
SenderNameNWS Missoula MT
HasExactCoordstrue

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.

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