Right now
The most recent data we hold from NOAA arrived 19 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 4 July 2026 at 19:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 36 detections recorded within 20 km of this point since 2 April 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 4 at 1:43PM CDT until July 4 at 2:00PM CDT by NWS Springfield MO
Urban PEI: 21,516 within a heuristic 50 km radius; not unique people.
Nearby, since 2 April 2026
- June 21, 2026 · score 34 · 6.4 km
- July 4, 2026 · score 34 · 19.5 km
- July 10, 2026 · score 58 · 20.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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 |
| Legacy data-support index | 0.77/1 |
| Coordinates | 38.4752, -92.9227 |
| Nearest City | Sedalia (37 km) |
| Urban exposure index (PEI) | 21.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T18:43:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.6dbeeaa7e06ddbbcf978e15d864dd18a |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-07-04T18:43:00.000Z.
First archived: 2026-07-04T18:47:22.702Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Benton, MO; Hickory, MO; Polk, MO; Cole, MO; Moniteau, MO; Benton, MO; Camden, MO; Dallas, MO; Hickory, MO; Laclede, MO; Miller, MO; Morgan, MO and 1 more areas |
| Headline | Severe Thunderstorm Warning issued July 4 at 1:43PM CDT until July 4 at 2:00PM CDT by NWS Springfield MO |
| Expires | 2026-07-04T14:00:00-05:00 |
| SenderName | NWS Springfield MO |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6dbeeaa7e06ddbbcf978e15d864dd18abba5097b.002.1","noaa_urn:oid:2.49.0.1.840.0.3164263deaba0767c5f6d6959f6e8be7c7c32bd3.001.1","noaa_urn:oid:2.49.0.1.840.0.3c1c45b3417c4122fc27598c68ec581ec3f71b50.001.1","noaa_urn:oid:2.49.0.1.840.0.7a8b7b69b8feaae2af6fc77acbbf17ab9325e3ac.001.1"] |
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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