This alert expired on 4 July 2026 at 19:51 UTC. It is kept here as a record.
It is the 31st strongest of the 108 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 24 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 4 at 2:41PM CDT until July 4 at 2:45PM CDT by NWS St Louis MO
An estimated 171,925 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 1, 2026 · score 46 · 8.8 km
- July 21, 2026 · score 28 · 8.8 km
- July 9, 2026 · score 34 · 8.8 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 87 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 87% |
| Coordinates | 38.5252, -92.3962 |
| Nearest City | Jefferson City (21 km) |
| Population Exposed | 171.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T19:41:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.2438e15cc8e8980ed4104feae4574540 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cole, MO; Moniteau, MO; Camden, MO; Maries, MO; Miller, MO; Phelps, MO; Pulaski, MO; Cooper, MO and 1 more areas |
| Headline | Severe Thunderstorm Warning issued July 4 at 2:41PM CDT until July 4 at 2:45PM CDT by NWS St Louis MO |
| Expires | 2026-07-04T14:51:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2438e15cc8e8980ed4104feae4574540e6ce68ec.001.1","noaa_urn:oid:2.49.0.1.840.0.f9bc62489457bc33959f5f4d24f8a15dda4ab7d4.002.1","noaa_urn:oid:2.49.0.1.840.0.de9be93ae768067d1b440d752fd6f26b53cfc5c3.001.1","noaa_urn:oid:2.49.0.1.840.0.ff941a1b8a813ac5c3b3aeab168b9fffcce1c796.001.1"] |
| Iem TypeSummary | D |
| Iem City | 3 SW Green Bay Terrace |
| Iem County | Camden |
| Iem State | MO |
| Iem Wfo | SGF |
| Iem Remark | Lots of damage around the lake coming out on scanner. |
| MergedSources | [{"id":"iem_G_38.470_-92.880_1783191720000","source":"iem","severity":"low","severityValue":25,"timestamp":1783191720000,"latitude":38.47,"longitude":-92.88},{"id":"iem_D_38.430_-92.900_1783191600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783191600000,"latitude":38.43,"longitude":-92.9},{"id":"iem_D_38.630_-92.580_1783192380000","source":"iem","severity":"low","severityValue":25,"timestamp":1783192380000,"latitude":38.63,"longitude":-92.58},{"id":"iem_D_38.070_-92.800_1783191720000","source":"iem","severity":"low","severityValue":25,"timestamp":1783191720000,"latitude":38.07,"longitude":-92.8}] |
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 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 43/100, near Jefferson City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.