This alert expired on 2 August 2026 at 02:30 UTC. It is kept here as a record.
It is the 4th strongest of the 44 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 11 July 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued August 1 at 7:35PM EDT until August 1 at 10:30PM EDT by NWS Wilmington OH
An estimated 256,022 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 19, 2026 · score 43 · 7.1 km
- August 8, 2026 · score 48 · 15.8 km
- July 11, 2026 · score 39 · 17.4 km
How we know
Confirmed by 7 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 | 39.7310, -84.8150 |
| Nearest City | Richmond (13 km) |
| Population Exposed | 256.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-01T23:35:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.acf354873646edaa14f5cf3d3c917cb44869997f.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Franklin, IN; Union, IN; Wayne, IN; Butler, OH; Darke, OH; Preble, OH |
| Headline | Flash Flood Warning issued August 1 at 7:35PM EDT until August 1 at 10:30PM EDT by NWS Wilmington OH |
| Expires | 2026-08-01T22:30:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
| Iem TypeSummary | R |
| Iem Magnitude | 2.03 |
| Iem Unit | Inch |
| Iem City | 2 W Prairie Creek Reser |
| Iem County | Delaware |
| Iem State | IN |
| Iem Wfo | IND |
| Iem Remark | Mesonet station FW2082 Muncie. |
| Google News RssFeed | weather |
| Google News SourceName | Cincinnati Enquirer |
| MergedSources | [{"id":"iem_R_39.560_-85.600_1785629100000","source":"iem","severity":"low","severityValue":25,"timestamp":1785629100000,"latitude":39.56,"longitude":-85.6},{"id":"iem_D_39.320_-84.990_1785623700000","source":"iem","severity":"low","severityValue":25,"timestamp":1785623700000,"latitude":39.32,"longitude":-84.99},{"id":"iem_E_39.570_-85.460_1785622440000","source":"iem","severity":"low","severityValue":25,"timestamp":1785622440000,"latitude":39.57,"longitude":-85.46},{"id":"iem_R_40.120_-85.330_1785628800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785628800000,"latitude":40.12,"longitude":-85.33},{"id":"gnews_weather_496009_156","source":"google_news","severity":"medium","severityValue":40,"timestamp":1785632850000,"latitude":39.13,"longitude":-84.51},{"id":"gnews_weather_496007_157","source":"google_news","severity":"medium","severityValue":40,"timestamp":1785625200000,"latitude":39.13,"longitude":-84.51}] |
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.
Calamity.live data shows a weather event with CalamityScore 43/100, near Richmond (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.