Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

FremontUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 1 minute 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 13 May 2026 at 22:45 UTC. It is kept here as a record.

No stronger detection stands among the 23 recorded within 20 km of this point since 2 April 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 13 at 4:15PM MDT until May 13 at 4:45PM MDT by NWS Pocatello ID

Nearby, since 2 April 2026

How we know

Confirmed by 6 independent sources, including NOAA.

Our own score for this event is 22 out of 100, at 70 % 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)22 / 100
Our confidence70%
Coordinates44.5310, -111.4262
Nearest CityRexburg (83 km)
Impact Tierminor
Timestamp2026-05-13T22:15:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4c3d1ddf224be8adc906b96f12964f9c25f1fb1d.001.1

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescClark, ID; Fremont, ID
HeadlineSevere Thunderstorm Warning issued May 13 at 4:15PM MDT until May 13 at 4:45PM MDT by NWS Pocatello ID
Expires2026-05-13T16:45:00-06:00
SenderNameNWS Pocatello ID
HasExactCoordstrue
Iem TypeSummaryG
Iem Magnitude67
Iem UnitMPH
Iem City1 N Raynolds Pass
Iem CountyMadison
Iem StateMT
Iem WfoTFX
Iem RemarkCorrects previous non-tstm wnd gst report from 1 N Raynolds Pass. Mesonet station MTRAY Raynolds Pass (MT DOT).
MergedSources[{"id":"iem_G_44.240_-112.200_1778703900000","source":"iem","severity":"low","severityValue":25,"timestamp":1778703900000,"latitude":44.24,"longitude":-112.2},{"id":"iem_N_44.730_-111.470_1778704200000","source":"iem","severity":"low","severityValue":25,"timestamp":1778704200000,"latitude":44.73,"longitude":-111.47},{"id":"iem_G_44.240_-112.200_1778703300000","source":"iem","severity":"low","severityValue":25,"timestamp":1778703300000,"latitude":44.24,"longitude":-112.2},{"id":"iem_G_43.880_-111.360_1778702400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778702400000,"latitude":43.88,"longitude":-111.36},{"id":"iem_G_44.730_-111.470_1778704200000","source":"iem","severity":"low","severityValue":25,"timestamp":1778704200000,"latitude":44.73,"longitude":-111.47}]

Safety Information

Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.

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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Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.