This alert expired on 4 July 2026 at 22:00 UTC. It is kept here as a record.
It is the 18th strongest of the 67 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 23 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 4 at 1:59PM CDT until July 4 at 5:00PM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 169,169 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 9, 2026 · score 43 · 5.5 km
- June 18, 2026 · score 49 · 13.5 km
- March 12, 2026 · score 43 · 13.8 km
How we know
Confirmed by 30 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.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 89% |
| Coordinates | 38.7310, -93.8740 |
| Nearest City | Warrensburg (12 km) |
| Population Exposed | 169.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T18:59:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.42d29073fea18371584e7b6a02f9b6c4930ef42f.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Cass, MO; Henry, MO; Johnson, MO |
| Headline | Flash Flood Warning issued July 4 at 1:59PM CDT until July 4 at 5:00PM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-07-04T17:00:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 1 SSW Urich |
| Iem County | Henry |
| Iem State | MO |
| Iem Wfo | EAX |
| Iem Remark | Tree down on wires near Route K. Time estimated from radar. |
| MergedSources | [{"id":"iem_D_38.710_-93.990_1783187700000","source":"iem","severity":"low","severityValue":25,"timestamp":1783187700000,"latitude":38.71,"longitude":-93.99},{"id":"iem_G_38.460_-93.740_1783187940000","source":"iem","severity":"low","severityValue":25,"timestamp":1783187940000,"latitude":38.46,"longitude":-93.74},{"id":"iem_D_38.770_-93.560_1783189440000","source":"iem","severity":"low","severityValue":25,"timestamp":1783189440000,"latitude":38.77,"longitude":-93.56},{"id":"iem_D_38.740_-94.070_1783187820000","source":"iem","severity":"low","severityValue":25,"timestamp":1783187820000,"latitude":38.74,"longitude":-94.07},{"id":"iem_D_38.580_-93.690_1783188900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783188900000,"latitude":38.58,"longitude":-93.69},{"id":"iem_D_38.570_-94.160_1783186560000","source":"iem","severity":"low","severityValue":25,"timestamp":1783186560000,"latitude":38.57,"longitude":-94.16},{"id":"iem_D_38.730_-94.070_1783187400000","source":"iem","severity":"low","severityValue":25,"timestamp":1783187400000,"latitude":38.73,"longitude":-94.07},{"id":"iem_D_38.670_-94.230_1783186680000","source":"iem","severity":"low","severityValue":25,"timestamp":1783186680000,"latitude":38.67,"longitude":-94.23},{"id":"iem_D_38.660_-94.320_1783186200000","source":"iem","severity":"low","severityValue":25,"timestamp":1783186200000,"latitude":38.66,"longitude":-94.32},{"id":"iem_D_38.370_-93.780_1783187640000","source":"iem","severity":"low","severityValue":25,"timestamp":1783187640000,"latitude":38.37,"longitude":-93.78},{"id":"iem_D_38.720_-93.730_1783188900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783188900000,"latitude":38.72,"longitude":-93.73},{"id":"iem_D_38.600_-93.160_1783190760000","source":"iem","severity":"low","severityValue":25,"timestamp":1783190760000,"latitude":38.6,"longitude":-93.16},{"id":"iem_D_38.630_-94.030_1783187100000","source":"iem","severity":"low","severityValue":25,"timestamp":1783187100000,"latitude":38.63,"longitude":-94.03},{"id":"iem_G_38.570_-93.660_1783188540000","source":"iem","severity":"low","severityValue":25,"timestamp":1783188540000,"latitude":38.57,"longitude":-93.66},{"id":"iem_D_38.240_-93.350_1783189800000","source":"iem","severity":"low","severityValue":25,"timestamp":1783189800000,"latitude":38.24,"longitude":-93.35},{"id":"iem_D_38.650_-94.300_1783186500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783186500000,"latitude":38.65,"longitude":-94.3},{"id":"iem_D_38.530_-93.520_1783189080000","source":"iem","severity":"low","severityValue":25,"timestamp":1783189080000,"latitude":38.53,"longitude":-93.52},{"id":"iem_D_38.700_-94.130_1783186800000","source":"iem","severity":"low","severityValue":25,"timestamp":1783186800000,"latitude":38.7,"longitude":-94.13},{"id":"iem_D_38.660_-93.930_1783187700000","source":"iem","severity":"low","severityValue":25,"timestamp":1783187700000,"latitude":38.66,"longitude":-93.93},{"id":"iem_G_38.580_-93.700_1783188900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783188900000,"latitude":38.58,"longitude":-93.7},{"id":"iem_D_38.260_-93.770_1783187880000","source":"iem","severity":"low","severityValue":25,"timestamp":1783187880000,"latitude":38.26,"longitude":-93.77},{"id":"iem_F_38.650_-94.310_1783188000000","source":"iem","severity":"low","severityValue":25,"timestamp":1783188000000,"latitude":38.65,"longitude":-94.31},{"id":"iem_F_38.730_-93.710_1783189440000","source":"iem","severity":"low","severityValue":25,"timestamp":1783189440000,"latitude":38.73,"longitude":-93.71},{"id":"iem_D_38.350_-93.770_1783188240000","source":"iem","severity":"low","severityValue":25,"timestamp":1783188240000,"latitude":38.35,"longitude":-93.77},{"id":"iem_F_38.650_-94.300_1783188900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783188900000,"latitude":38.65,"longitude":-94.3},{"id":"iem_D_38.370_-93.750_1783188360000","source":"iem","severity":"low","severityValue":25,"timestamp":1783188360000,"latitude":38.37,"longitude":-93.75},{"id":"iem_D_38.460_-94.000_1783186800000","source":"iem","severity":"low","severityValue":25,"timestamp":1783186800000,"latitude":38.46,"longitude":-94},{"id":"iem_D_38.660_-93.830_1783187940000","source":"iem","severity":"low","severityValue":25,"timestamp":1783187940000,"latitude":38.66,"longitude":-93.83},{"id":"iem_D_38.450_-94.000_1783186800000","source":"iem","severity":"low","severityValue":25,"timestamp":1783186800000,"latitude":38.45,"longitude":-94}] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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.
Want to know when something happens near Warrensburg?
Calamity.live data shows a weather event with CalamityScore 43/100, near Warrensburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.