Right now
The most recent data we hold from NOAA arrived 7 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 21:30 UTC. It is kept here as a record.
It is the strongest of the 13 detections recorded within 20 km of this point since 2 April 2026. The last comparable one was on 23 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 13 at 3:11PM MDT until May 13 at 3:30PM MDT by NWS Salt Lake City UT
An estimated 113,625 people live within 50 km of this point.
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 43 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
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 89% |
| Coordinates | 43.1929, -112.1150 |
| Nearest City | Idaho Falls (32 km) |
| Population Exposed | 113.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-13T21:11:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.473e7e93b75114d50a1703ba33edfc1e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Davis, UT; Salt Lake, UT; Tooele, UT; Utah, UT; Box Elder, UT; Box Elder, UT; Cache, UT; Davis, UT; Morgan, UT; Tooele, UT; Weber, UT and 8 more areas |
| Headline | Severe Thunderstorm Warning issued May 13 at 3:11PM MDT until May 13 at 3:30PM MDT by NWS Salt Lake City UT |
| Expires | 2026-05-13T15:30:00-06:00 |
| SenderName | NWS Salt Lake City UT |
| HasExactCoords | true |
| MergedCount | 11 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.473e7e93b75114d50a1703ba33edfc1e174e5516.001.1","noaa_urn:oid:2.49.0.1.840.0.c8f9089031fe151126f2cc2238932d14438c67b1.001.1","noaa_urn:oid:2.49.0.1.840.0.7ecb4027ebb6c26cac9ded7b7e960bba0c8ac935.001.1","noaa_urn:oid:2.49.0.1.840.0.5256e5173911f1e764e2e3b64dc75f3a9394a8ae.001.1","noaa_urn:oid:2.49.0.1.840.0.166c50798517375f01fdebd46ec9556d4d31c7d7.001.1","noaa_urn:oid:2.49.0.1.840.0.a7686c3538365a279d49ed20327d6d8bce9550b1.001.1","noaa_urn:oid:2.49.0.1.840.0.f94f0b2ee76b61c8499ad694a7fffdf034b14832.001.1","noaa_urn:oid:2.49.0.1.840.0.4242cca2e2e7edcd901fe496a85a612d69dbc132.001.1","noaa_urn:oid:2.49.0.1.840.0.d5320ccd43234b690def9b02b937d698e7aa634c.001.1","noaa_urn:oid:2.49.0.1.840.0.90101766f236461d215e9618823dd8a06868896e.002.1","noaa_urn:oid:2.49.0.1.840.0.7b95f41cdc49cf2dfdc53a50e722f7827022f1bf.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 61 |
| Iem Unit | MPH |
| Iem City | 4 NNW Sterling |
| Iem County | Bingham |
| Iem State | ID |
| Iem Wfo | PIH |
| Iem Remark | Mesonet station 2250 D5 Sterling ID-39. |
| MergedSources | [{"id":"iem_G_43.500_-112.670_1778699100000","source":"iem","severity":"low","severityValue":25,"timestamp":1778699100000,"latitude":43.5,"longitude":-112.67},{"id":"iem_G_43.550_-112.330_1778700000000","source":"iem","severity":"low","severityValue":25,"timestamp":1778700000000,"latitude":43.55,"longitude":-112.33},{"id":"iem_G_43.720_-112.530_1778699700000","source":"iem","severity":"low","severityValue":25,"timestamp":1778699700000,"latitude":43.72,"longitude":-112.53},{"id":"iem_G_43.720_-112.500_1778699700000","source":"iem","severity":"low","severityValue":25,"timestamp":1778699700000,"latitude":43.72,"longitude":-112.5},{"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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.