This alert expired on 26 June 2026 at 04:15 UTC. It is kept here as a record.
It is the 11th strongest of the 64 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 14 June 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 25 at 5:07PM CDT until June 25 at 11:15PM CDT by NWS Springfield MO
An estimated 226,297 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 14, 2026 · score 43 · 13.6 km
- August 12, 2026 · score 43 · 14.3 km
- March 16, 2026 · score 43 · 14.4 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 88 % 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 | 88% |
| Coordinates | 36.9587, -93.1383 |
| Nearest City | Ozark (9 km) |
| Population Exposed | 226.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-25T22:07:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.135c7968c21b06e6c155c18430c2ca91 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Dade, MO; Dallas, MO; Greene, MO; Lawrence, MO; Polk, MO; Boone, AR; Marion, AR |
| Headline | Flash Flood Warning issued June 25 at 5:07PM CDT until June 25 at 11:15PM CDT by NWS Springfield MO |
| Expires | 2026-06-25T23:15:00-05:00 |
| SenderName | NWS Springfield MO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.135c7968c21b06e6c155c18430c2ca91ec593326.001.1","noaa_urn:oid:2.49.0.1.840.0.d2a52ff04ba61e026858797bd90bf1d9824e3415.001.1"] |
| Iem TypeSummary | F |
| Iem City | Ash Grove |
| Iem County | Greene |
| Iem State | MO |
| Iem Wfo | SGF |
| Iem Remark | MODOT en route to close the Calhoun and Boone street area in Ash Grove due to flooding. One foot water over the road. |
| MergedSources | [{"id":"iem_F_37.320_-93.570_1782425040000","source":"iem","severity":"low","severityValue":25,"timestamp":1782425040000,"latitude":37.32,"longitude":-93.57},{"id":"iem_D_37.480_-93.270_1782421680000","source":"iem","severity":"low","severityValue":25,"timestamp":1782421680000,"latitude":37.48,"longitude":-93.27},{"id":"iem_F_37.340_-93.330_1782424140000","source":"iem","severity":"low","severityValue":25,"timestamp":1782424140000,"latitude":37.34,"longitude":-93.33},{"id":"iem_H_37.460_-93.280_1782421560000","source":"iem","severity":"low","severityValue":25,"timestamp":1782421560000,"latitude":37.46,"longitude":-93.28},{"id":"iem_F_37.320_-93.580_1782426000000","source":"iem","severity":"low","severityValue":25,"timestamp":1782426000000,"latitude":37.32,"longitude":-93.58}] |
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 Ozark?
Calamity.live data shows a weather event with CalamityScore 43/100, near Ozark (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.