This alert expired on 14 August 2026 at 00:30 UTC. It is kept here as a record.
No stronger detection stands among the 9 recorded within 20 km of this point since 25 June 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued August 13 at 5:46PM MDT until August 13 at 6:30PM MDT by NWS Salt Lake City UT
An estimated 33,157 people live within 50 km of this point.
How we know
Confirmed by 29 independent sources, including NOAA.
Our own score for this event is 58 out of 100, at 91 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 58 / 100 |
| Our confidence | 91% |
| Coordinates | 40.3410, -112.6510 |
| Nearest City | Tooele (36 km) |
| Population Exposed | 33.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-13T23:46:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.fb885b18dd7f30217ec37510932d7618 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Tooele, UT |
| Headline | Tornado Warning issued August 13 at 5:46PM MDT until August 13 at 6:30PM MDT by NWS Salt Lake City UT |
| Expires | 2026-08-13T18:30:00-06:00 |
| SenderName | NWS Salt Lake City UT |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.fb885b18dd7f30217ec37510932d761843f88ae5.001.1","noaa_urn:oid:2.49.0.1.840.0.e72e9a5e2003815eabbb62ff992cd63a743fc4ea.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 59 |
| Iem Unit | MPH |
| Iem City | 10 WSW Dugway |
| Iem County | Tooele |
| Iem State | UT |
| Iem Wfo | SLC |
| Iem Remark | Mesonet station DPG01 Ditto. |
| MergedSources | [{"id":"iem_G_40.340_-112.570_1786665600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786665600000,"latitude":40.34,"longitude":-112.57},{"id":"iem_G_40.210_-112.960_1786663200000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663200000,"latitude":40.21,"longitude":-112.96},{"id":"iem_G_40.170_-113.350_1786662000000","source":"iem","severity":"low","severityValue":25,"timestamp":1786662000000,"latitude":40.17,"longitude":-113.35},{"id":"iem_G_40.210_-112.960_1786663500000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663500000,"latitude":40.21,"longitude":-112.96},{"id":"iem_G_40.150_-113.160_1786662600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786662600000,"latitude":40.15,"longitude":-113.16},{"id":"iem_G_40.180_-113.020_1786663500000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663500000,"latitude":40.18,"longitude":-113.02},{"id":"iem_G_40.120_-112.950_1786663200000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663200000,"latitude":40.12,"longitude":-112.95},{"id":"iem_G_40.210_-112.780_1786663800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663800000,"latitude":40.21,"longitude":-112.78},{"id":"iem_G_40.200_-113.170_1786662600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786662600000,"latitude":40.2,"longitude":-113.17},{"id":"iem_G_40.280_-112.980_1786663500000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663500000,"latitude":40.28,"longitude":-112.98},{"id":"iem_G_40.180_-113.020_1786662600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786662600000,"latitude":40.18,"longitude":-113.02},{"id":"iem_G_40.180_-113.020_1786663200000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663200000,"latitude":40.18,"longitude":-113.02},{"id":"iem_G_40.160_-112.890_1786667040000","source":"iem","severity":"low","severityValue":25,"timestamp":1786667040000,"latitude":40.16,"longitude":-112.89},{"id":"iem_G_40.240_-113.090_1786662600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786662600000,"latitude":40.24,"longitude":-113.09},{"id":"iem_G_39.920_-112.940_1786663800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663800000,"latitude":39.92,"longitude":-112.94},{"id":"iem_G_40.180_-112.920_1786663500000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663500000,"latitude":40.18,"longitude":-112.92},{"id":"iem_G_40.280_-112.980_1786663200000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663200000,"latitude":40.28,"longitude":-112.98},{"id":"iem_G_40.250_-112.730_1786665000000","source":"iem","severity":"low","severityValue":25,"timestamp":1786665000000,"latitude":40.25,"longitude":-112.73},{"id":"iem_D_40.230_-112.740_1786664700000","source":"iem","severity":"low","severityValue":25,"timestamp":1786664700000,"latitude":40.23,"longitude":-112.74},{"id":"iem_G_40.120_-112.950_1786663500000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663500000,"latitude":40.12,"longitude":-112.95},{"id":"iem_G_40.160_-112.890_1786663800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663800000,"latitude":40.16,"longitude":-112.89},{"id":"iem_G_40.210_-113.340_1786661700000","source":"iem","severity":"low","severityValue":25,"timestamp":1786661700000,"latitude":40.21,"longitude":-113.34},{"id":"iem_G_40.300_-112.780_1786665300000","source":"iem","severity":"low","severityValue":25,"timestamp":1786665300000,"latitude":40.3,"longitude":-112.78},{"id":"iem_G_40.210_-112.780_1786664400000","source":"iem","severity":"low","severityValue":25,"timestamp":1786664400000,"latitude":40.21,"longitude":-112.78},{"id":"iem_G_40.170_-113.350_1786661280000","source":"iem","severity":"low","severityValue":25,"timestamp":1786661280000,"latitude":40.17,"longitude":-113.35},{"id":"iem_G_40.240_-113.090_1786662900000","source":"iem","severity":"low","severityValue":25,"timestamp":1786662900000,"latitude":40.24,"longitude":-113.09},{"id":"iem_G_40.230_-112.730_1786664700000","source":"iem","severity":"low","severityValue":25,"timestamp":1786664700000,"latitude":40.23,"longitude":-112.73},{"id":"iem_G_40.180_-112.920_1786663200000","source":"iem","severity":"low","severityValue":25,"timestamp":1786663200000,"latitude":40.18,"longitude":-112.92}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 58/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.