Right now
The most recent data we hold from NOAA arrived 16 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 27 July 2026 at 23:30 UTC. It is kept here as a record.
No stronger detection stands among the 46 recorded within 20 km of this point since 2 April 2026 — 16 others scored the same. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 27 at 5:14PM CDT until July 27 at 6:30PM CDT by NWS Chicago IL
Urban PEI: 208,509 within a heuristic 50 km radius; not unique people.
Nearby, since 2 April 2026
- August 12, 2026 · score 43 · 7.0 km
- September 18, 2026 · score 37 · 15.4 km
- July 10, 2026 · score 43 · 15.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 40.7012, -86.6493 |
| Nearest City | Logansport (25 km) |
| Urban exposure index (PEI) | 208.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-27T22:14:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.b30848b82f4c8cc205e4649a7a454344 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-07-27T22:14:00.000Z.
First archived: 2026-07-27T22:17:22.355Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Iroquois, IL; Benton, IN; Hendricks, IN; Marion, IN; Hancock, IN; Hendricks, IN; Johnson, IN; Marion, IN; Morgan, IN; Shelby, IN and 7 more areas |
| Headline | Severe Thunderstorm Warning issued July 27 at 5:14PM CDT until July 27 at 6:30PM CDT by NWS Chicago IL |
| Expires | 2026-07-27T18:30:00-05:00 |
| SenderName | NWS Chicago IL |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b30848b82f4c8cc205e4649a7a4543448aa71a05.001.1","noaa_urn:oid:2.49.0.1.840.0.dd7d527ea9ecfa1416ab409ea750e3e4173e87c7.001.1","noaa_urn:oid:2.49.0.1.840.0.acbdc5a8811cf61c8acd244d5e11ebef569c7724.001.1","noaa_urn:oid:2.49.0.1.840.0.dc261b7d7f63690d60c48ec57e36904c35313f55.001.1","noaa_urn:oid:2.49.0.1.840.0.b9b3dc1c373152b4ac5e8703656d09b80310664e.001.1","noaa_urn:oid:2.49.0.1.840.0.17a3b442ecaf64fafaa151c9996abb4341890343.001.1","noaa_urn:oid:2.49.0.1.840.0.a70e16cdfd4ef876600493cb8f150e09d88c066d.001.1","noaa_urn:oid:2.49.0.1.840.0.9fb66af58db7aebd8e90098e539d3410ef150491.001.1","noaa_urn:oid:2.49.0.1.840.0.6229efa1ef1b5f14f9cf833d083fa8814830ff22.001.1","noaa_urn:oid:2.49.0.1.840.0.a09b3c11d687247cc5711108929e5dda74dee728.001.1"] |
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 8 March 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.
Review the area, threshold and delivery channel in your account.
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