Right now
The most recent data we hold from METEOALARM arrived 28 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
One other detection within 20 km in the last 24 hours, <1 km from here.
This alert expired on 15 September 2026 at 23:30 UTC. It is kept here as a record.
No stronger detection stands among the 11 recorded within 20 km of this point since 1 September 2026 — 2 others scored the same. The last comparable one was on 14 September 2026. 7 more were recorded here in the fortnight before it.
What the source measured
METEOALARM reported: MeteoAlarm carries a moderate warning for Region Hannover (heavy thunderstorms with gale- or storm-force gusts, heavy rain and hail). Issued by the national meteorological service of Germany. Placed at Hannover, the nearest settlement in the warned area; the warning itself covers the whole area.
Urban PEI: 1,660,538 within a heuristic 50 km radius; not unique people.
Nearby, since 1 September 2026
- September 8, 2026 · score 46 · 0.0 km
- September 8, 2026 · score 46 · 20.7 km
How we know
One source: METEOALARM. Not yet confirmed by a second, independent source.
Our own score for this event is 46 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) | 46 / 100 |
| Legacy data-support index | 0.70/1 |
| Coordinates | 52.3700, 9.7300 |
| Nearest City | Hannover (0 km) |
| Urban exposure index (PEI) | 1.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-15T22:15:00.000Z |
| Source | https://meteoalarm.org?region=DE |
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: 2026-09-15T22:15:00.000Z.
First archived: 2026-09-15T22:34:33.701Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-15T23:19:11.396Z · data_change
Index 46 → 46; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| Event | heavy thunderstorms with gale- or storm-force gusts, heavy rain and hail |
| CapSeverity | Moderate |
| CapCertainty | Likely |
| CapUrgency | Immediate |
| AreaDesc | Region Hannover |
| EmmaId | DE169 |
| CountryCode | DE |
| Country | Germany |
| Expires | 2026-09-15T23:30:00+00:00 |
| PlacedAt | Hannover |
| 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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