Right now
The most recent data we hold from METEOALARM arrived 19 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 15 September 2026 at 08:00 UTC. It is kept here as a record.
No stronger detection stands among the 32 recorded within 20 km of this point since 12 March 2026 — 5 others scored the same. The last comparable one was on 5 September 2026. 5 more were recorded here in the fortnight before it.
What the source measured
METEOALARM reported: MeteoAlarm carries a moderate warning for Riga (Yellow Fog Warning). Issued by the national meteorological service of Latvia. Placed at Riga, the nearest settlement in the warned area; the warning itself covers the whole area.
Urban PEI: 926,695 within a heuristic 50 km radius; not unique people.
Nearby, since 12 March 2026
- September 5, 2026 · score 41 · 0.0 km
- September 4, 2026 · score 41 · 0.0 km
- September 1, 2026 · score 41 · 0.0 km
How we know
One source: METEOALARM. Not yet confirmed by a second, independent source.
Our own score for this event is 41 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) | 41 / 100 |
| Legacy data-support index | 0.69/1 |
| Coordinates | 56.9500, 24.1100 |
| Nearest City | Riga (0 km) |
| Urban exposure index (PEI) | 926.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-15T00:00:00.000Z |
| Source | https://meteoalarm.org?region=LV |
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: 2026-09-15T00:00:00.000Z.
First archived: 2026-09-15T01:03:21.908Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-15T07:17:43.145Z · data_change
Index 41 → 41; severity medium → medium; version 5 → 5.
2026-09-15T06:18:25.864Z · data_change
Index 41 → 41; severity medium → medium; version 5 → 5.
2026-09-15T04:41:22.812Z · data_change
Index 41 → 41; severity medium → medium; version 5 → 5.
2026-09-15T04:14:42.036Z · data_change
Index 41 → 41; severity medium → medium; version 5 → 5.
2026-09-15T03:42:27.810Z · data_change
Index 41 → 41; severity medium → medium; version 5 → 5.
2026-09-15T02:38:55.634Z · data_change
Index 41 → 41; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| Event | Yellow Fog Warning |
| CapSeverity | Moderate |
| CapCertainty | Likely |
| CapUrgency | Immediate |
| AreaDesc | Riga |
| CountryCode | LV |
| Country | Latvia |
| Expires | 2026-09-15T08:00:00+00:00 |
| PlacedAt | Riga |
| Placement | area-name |
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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