Calamity
MediumSevere WeatherCalamity Score: 39

Severe Weather in United States

PowerUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 9 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 13 May 2026 at 20:47 UTC. It is kept here as a record.

No stronger detection stands among the 21 recorded within 20 km of this point since 2 April 2026 — 2 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 2:38PM MDT until May 13 at 2:45PM MDT by NWS Salt Lake City UT

An estimated 54,441 people live within 50 km of this point.

Nearby, since 2 April 2026

How we know

Confirmed by 5 independent sources, including NOAA.

Our own score for this event is 39 out of 100, at 89 % 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)39 / 100
Our confidence89%
Coordinates42.7854, -112.8717
Nearest CityPocatello (36 km)
Population Exposed54.4K within 50 km
Impact Tiersignificant
Timestamp2026-05-13T20:38:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c491d5a279ce8a16ec51618f9a77a20b

Score Breakdown

35
intensity
55
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescBox Elder, UT; Tooele, UT; Box Elder, UT; Bannock, ID; Bingham, ID; Blaine, ID; Bonneville, ID; Butte, ID; Cassia, ID; Jefferson, ID; Lincoln, ID; Minidoka, ID; Power, ID and 3 more areas
HeadlineSevere Thunderstorm Warning issued May 13 at 2:38PM MDT until May 13 at 2:45PM MDT by NWS Salt Lake City UT
Expires2026-05-13T14:47:00-06:00
SenderNameNWS Salt Lake City UT
HasExactCoordstrue
MergedCount6
MergedIds["noaa_urn:oid:2.49.0.1.840.0.c491d5a279ce8a16ec51618f9a77a20b889abb4b.001.1","noaa_urn:oid:2.49.0.1.840.0.1d187117532bc6d5d52363079d5f525eefd05414.001.1","noaa_urn:oid:2.49.0.1.840.0.40742f73d5ac764ba98583a7edc9c4079ecad62a.001.1","noaa_urn:oid:2.49.0.1.840.0.222df51123b8d11f26ba9cafee2a5a02317550f9.001.1","noaa_urn:oid:2.49.0.1.840.0.7a458cbb2d421c4e990d03de3a574bd8c465ea63.001.1","noaa_urn:oid:2.49.0.1.840.0.ac23624f833cc79cc2fbe2219ba1be2eed2e2ba3.001.1"]
Iem TypeSummaryG
Iem Magnitude61
Iem UnitMPH
Iem City4 NNW Sterling
Iem CountyBingham
Iem StateID
Iem WfoPIH
Iem RemarkMesonet station 2250 D5 Sterling ID-39.
MergedSources[{"id":"iem_G_42.140_-112.980_1778700600000","source":"iem","severity":"low","severityValue":25,"timestamp":1778700600000,"latitude":42.14,"longitude":-112.98},{"id":"iem_G_42.800_-113.590_1778700900000","source":"iem","severity":"low","severityValue":25,"timestamp":1778700900000,"latitude":42.8,"longitude":-113.59},{"id":"iem_G_43.440_-112.810_1778699400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778699400000,"latitude":43.44,"longitude":-112.81},{"id":"iem_G_43.080_-112.780_1778697000000","source":"iem","severity":"low","severityValue":25,"timestamp":1778697000000,"latitude":43.08,"longitude":-112.78}]

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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