Right now
The most recent data we hold from NOAA arrived 3 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 18 May 2026 at 22:00 UTC. It is kept here as a record.
It is the 51st strongest of the 456 detections recorded within 20 km of this point since 10 March 2026. The last comparable one was on 16 May 2026. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued May 18 at 11:02AM EDT until May 18 at 6:00PM EDT by NWS Northern Indiana
An estimated 1,525,459 people live within 50 km of this point.
Nearby, since 10 March 2026
- July 27, 2026 · score 52 · 0.0 km
- June 21, 2026 · score 64 · 0.0 km
- June 6, 2026 · score 52 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 39.8000, -86.1000 |
| Nearest City | Indianapolis (6 km) |
| Population Exposed | 1.5M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-18T15:05:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.69412d08bb81af66714e0630c917d242 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | New Buffalo MI to St Joseph MI; Michigan City IN to New Buffalo MI; Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.; Adams, IN; Allen, IN; Blackford, IN; Cass, IN; De Kalb, IN; Elkhart, IN; Fulton, IN; Grant, IN; Huntington, IN; Jay, IN; Kosciusko, IN; Lagrange, IN; La Porte, IN; Marshall, IN; Miami, IN; Noble, IN; Pulaski, IN; St. Joseph, IN; Starke, IN; Steuben, IN; Wabash, IN; Wells, IN; White, IN; Whitley, IN; Berrien, MI; Branch, MI; Cass, MI; Hillsdale, MI; St. Joseph, MI; Allen, OH; Defiance, OH; Fulton, OH; Henry, OH; Paulding, OH; Putnam, OH; Van Wert, OH; Williams, OH; Boone, IN; Carroll, IN; Clay, IN; Clinton, IN; Delaware, IN; Fountain, IN; Hamilton, IN; Hancock, IN; Hendricks, IN; Henry, IN; Howard, IN; Johnson, IN; Madison, IN; Marion, IN; Montgomery, IN; Morgan, IN; Owen, IN; Parke, IN; Putnam, IN; Randolph, IN; Shelby, IN; Sullivan, IN; Tippecanoe, IN; Tipton, IN; Vermillion, IN; Vigo, IN; Warren, IN |
| Headline | Severe Thunderstorm Watch issued May 18 at 11:02AM EDT until May 18 at 6:00PM EDT by NWS Northern Indiana |
| Expires | 2026-05-18T18:00:00-04:00 |
| SenderName | NWS Northern Indiana |
| HasExactCoords | false |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.69412d08bb81af66714e0630c917d2423676f3d4.002.1","noaa_urn:oid:2.49.0.1.840.0.69412d08bb81af66714e0630c917d2423676f3d4.001.1","noaa_urn:oid:2.49.0.1.840.0.8073dda9a9d601e8b4bdca5ec8f9ea6eb2fa99df.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.
Want to know when something happens near Indianapolis?
Calamity.live data shows a weather event with CalamityScore 52/100, near Indianapolis (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.