Right now
The most recent data we hold from METEOALARM arrived 2 hours 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 22 September 2026 at 07:00 UTC. It is kept here as a record.
It is one of only 4 we have recorded within 20 km of this point since 1 September 2026. The last comparable one was on 19 September 2026. 2 more were recorded here in the fortnight before it.
What the source measured
METEOALARM reported: MeteoAlarm carries a moderate warning for Viljandi county (Fog Level 1). Issued by the national meteorological service of Estonia. Placed at Viljandi, the nearest settlement in the warned area; the warning itself covers the whole area.
Urban PEI: 17,407 within a heuristic 50 km radius; not unique people.
Nearby, since 1 September 2026
- September 24, 2026 · score 28 · 0.0 km
- September 22, 2026 · score 28 · 0.0 km
- September 19, 2026 · score 28 · 0.0 km
How we know
One source: METEOALARM. Not yet confirmed by a second, independent source.
Our own score for this event is 28 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 v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 28 / 100 |
| Legacy data-support index | 0.70/1 |
| Coordinates | 58.3600, 25.5900 |
| Nearest City | Viljandi (0 km) |
| Urban exposure index (PEI) | 17.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-21T18:00:00.000Z |
| Source | https://meteoalarm.org?region=EE |
Physical priority index · v5. 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: meteoalarm. Occurrence: 2026-09-21T18:00:00.000Z.
First archived: 2026-09-20T12:42:51.060Z. Material modification: 2026-09-21T18:52:48.912Z.
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 | Fog Level 1 |
| CapSeverity | Moderate |
| CapCertainty | Observed |
| CapUrgency | Immediate |
| AreaDesc | Viljandi county |
| CountryCode | EE |
| Country | Estonia |
| Expires | 2026-09-22T07:00:00+00:00 |
| PlacedAt | Viljandi |
| Placement | area-name-component |
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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