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 16 May 2026 at 02:45 UTC. It is kept here as a record.
No stronger detection stands among the 25 recorded within 20 km of this point since 16 March 2026 — 17 others scored the same. Another comparable one was recorded here earlier the same day. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 15 at 8:38PM CDT until May 15 at 9:45PM CDT by NWS Sioux Falls SD
An estimated 24,649 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 9, 2026 · score 34 · 4.8 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 34 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) | 34 / 100 |
| Our confidence | 89% |
| Coordinates | 42.5855, -94.3232 |
| Nearest City | Fort Dodge (16 km) |
| Population Exposed | 24.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-16T01:38:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.ca972f243087977099742f6620c3f714 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Buena Vista, IA; Cherokee, IA; Humboldt, IA; Ida, IA and 7 more areas |
| Headline | Severe Thunderstorm Warning issued May 15 at 8:38PM CDT until May 15 at 9:45PM CDT by NWS Sioux Falls SD |
| Expires | 2026-05-15T21:45:00-05:00 |
| SenderName | NWS Sioux Falls SD |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ca972f243087977099742f6620c3f714834df5b6.001.1","noaa_urn:oid:2.49.0.1.840.0.dc8dbc526bb44582de10861e0f9085b088a1f56a.002.1","noaa_urn:oid:2.49.0.1.840.0.b358a9642cc140c8cb155ca3003a50dd3b48280a.001.1","noaa_urn:oid:2.49.0.1.840.0.c8bd4c7319d110a0b879b60bdab92e73ed932923.001.1","noaa_urn:oid:2.49.0.1.840.0.f5e3c06e2e52409c6ddaf8297c7452d1e6f47d45.001.1","noaa_urn:oid:2.49.0.1.840.0.7c423a8353e2ec89e99a100e37c6e473534ff018.002.1","noaa_urn:oid:2.49.0.1.840.0.f633c1160233a556aa504aa6aaa010d4a63c36aa.001.1","noaa_urn:oid:2.49.0.1.840.0.ba8048c6f5ec1d817aeb042d234c25a4664f82fb.001.1","noaa_urn:oid:2.49.0.1.840.0.8c1231ad7bceaeaae992599a5faac5c701e8b7c9.001.1","noaa_urn:oid:2.49.0.1.840.0.38b2998e6e1598e74611f209e5c49f0827d8d071.002.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | Newell |
| Iem County | Buena Vista |
| Iem State | IA |
| Iem Wfo | FSD |
| MergedSources | [{"id":"iem_H_42.740_-94.680_1778890860000","source":"iem","severity":"low","severityValue":25,"timestamp":1778890860000,"latitude":42.74,"longitude":-94.68},{"id":"iem_H_42.930_-93.790_1778890920000","source":"iem","severity":"low","severityValue":25,"timestamp":1778890920000,"latitude":42.93,"longitude":-93.79},{"id":"iem_H_42.600_-95.000_1778888580000","source":"iem","severity":"low","severityValue":25,"timestamp":1778888580000,"latitude":42.6,"longitude":-95}] |
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 near Fort Dodge?
Calamity.live data shows a weather event with CalamityScore 34/100, near Fort Dodge (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.