Right now
The most recent data we hold from SMHI arrived 24 hours ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 9 October 2026 at 11:00 UTC. It is kept here as a record.
It is the strongest of the 5 detections recorded within 20 km of this point since 31 August 2026. The last comparable one was on 6 October 2026. 4 more were recorded here in the fortnight before it.
What the source measured
SMHI reported: During Friday, a low pressure area will pass eastward over the area, causing the northerly wind to increase, starting in Gävleborg County. Gusts can reach 18-22 m/s, and near the coast gusts can reach up to 25 m/s. The wind will peak Friday morning and early afternoon and then subside. During Fri...
Urban PEI: 2,856,718 within a heuristic 50 km radius; not unique people.
Nearby, since 31 August 2026
- September 10, 2026 · 0.0 km
How we know
One source: SMHI. 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.
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.
Event data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 46 / 100 |
| Legacy data-support index | 0.70/1 |
| Coordinates | 59.3300, 18.0700 |
| Nearest city | Stockholm (0 km) |
| Urban exposure index (PEI) | 2.9M within 50 km |
| Impact tier | significant |
| Timestamp | 2026-10-09T03:47:01.528Z |
| Source | https://www.smhi.se/vader/varningar-och-risker/varningar |
| Licence | CC BY 4.0 · SMHI |
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: smhi. Occurrence: 2026-10-09T03:47:01.528Z.
First archived: 2026-10-08T11:08:57.710Z. Material modification: 2026-10-09T04:23:42.519Z.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-10-09T04:23:42.519Z · data change
Index 37 → 46.
Score breakdown
Technical details
| CountryCode | SE |
| Event | Wind |
| Level | Yellow |
| Area | Parts of eastern Svealand and Gävleborg County. |
| Expires | 2026-10-09T11:00:00.774Z |
Safety information
What to do in strong wind
Three things first, then what to do before, during and after. From the US National Weather Service and FEMA.
For this reportSevere Weather · Stockholm
Stay indoors
Away from windows. Outside, flying objects and falling branches are the main danger.
NWSKeep away from power lines
Never touch a fallen line or anything it touches; report it.
NWSDrive carefully, or not at all
Gusts push high vehicles and trailers; watch for fallen trees.
NWS
Before, during, after. Here it is “after”.
Before · When strong wind is forecast
Secure what can fly
Garden furniture, bins, pots and anything loose.
Charge your phone
And keep a torch: wind often cuts the power.
National Weather Service
During · In the wind
Away from trees
Do not shelter or park under them.
Inner rooms
If the wind is very strong, away from windows.
National Weather Service
After · When it drops
Fallen lines
Treat every line as live.
Food in a power cut
Keep the fridge shut; throw away what stayed warm too long.
Ready.gov (FEMA)
Questions people ask
Is a fallen power line dangerous if it is not sparking?
Yes. Treat every fallen line as live and keep away; tell the power company or the emergency number. Source: US National Weather Service.
Should I drive in high wind?
Avoid it, especially in a high vehicle or with a trailer. If you must, slow down and keep both hands on the wheel. Source: US National Weather Service.
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