This alert expired on 11 March 2026 at 00:30 UTC. It is kept here as a record.
It is the 21st strongest of the 47 detections recorded within 20 km of this point since 10 March 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 10 at 6:40PM CDT until March 10 at 7:30PM CDT by NWS Quad Cities IA IL
An estimated 272,011 people live within 50 km of this point.
Nearby, since 10 March 2026
- June 7, 2026 · score 43 · 2.0 km
- June 18, 2026 · score 37 · 7.3 km
- June 11, 2026 · score 37 · 12.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 37 out of 100, at 83 % 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) | 37 / 100 |
| Our confidence | 83% |
| Coordinates | 41.2625, -90.2415 |
| Nearest City | East Moline (31 km) |
| Population Exposed | 272.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-10T23:40:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Delaware, IA; Dubuque, IA; Jones, IA; Henry, IL; Mercer, IL; Bureau, IL; Henry, IL and 6 more areas |
| Headline | Severe Thunderstorm Warning issued March 10 at 6:40PM CDT until March 10 at 7:30PM CDT by NWS Quad Cities IA IL |
| Expires | 2026-03-10T19:30:00-05:00 |
| SenderName | NWS Quad Cities IA IL |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.bf0be448e235661cd280c7588f25691e911d9f8c.001.1","noaa_urn:oid:2.49.0.1.840.0.492c8897eab3a0bded6ddbd9b874111179c8f38b.001.1","noaa_urn:oid:2.49.0.1.840.0.163c62ee543b1d0841b6208044c4005c12d1fb2a.001.1","noaa_urn:oid:2.49.0.1.840.0.5d4d8becfbfd10a1b8dc08754c9f92eecf926995.001.1","noaa_urn:oid:2.49.0.1.840.0.8f2b1f50316afe8e35153f8d733275fd083cd4d4.001.1","noaa_urn:oid:2.49.0.1.840.0.933206ef6b8276b0d9eebbe2d0af5c511a07e2a6.001.1","noaa_urn:oid:2.49.0.1.840.0.b44877cf52780ff8cd27ad46727b51198da90ff3.001.1","noaa_urn:oid:2.49.0.1.840.0.af5c667199a8a859f3957b386fa30ab8b1e091f3.001.1","noaa_urn:oid:2.49.0.1.840.0.a8ac06236711b38ae03476c6b7232ba8d6b414d7.001.1","noaa_urn:oid:2.49.0.1.840.0.b6c610c16d0c3e19c61765d0c86bae6611e772ab.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 0.75 |
| Iem Unit | Inch |
| Iem City | Alpha |
| Iem County | Henry |
| Iem State | IL |
| Iem Wfo | DVN |
| Iem Remark | Report from mPING: Dime size hail. |
| MergedSources | [{"id":"iem_H_41.190_-90.380_1773183360000","source":"iem","severity":"low","severityValue":25,"timestamp":1773183360000,"latitude":41.19,"longitude":-90.38}] |
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 37/100, near East Moline (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.