MediumSevere WeatherCS: 28 · v5

Wind near Visby

SwedenSMHI

Right now

The most recent data we hold from SMHI arrived 3 hours ago, and this point is in it.

Nothing else has been detected within 20 km in the last 24 hours.

Distance and hazards
Only these hazards

Tick none to hear about every hazard.

One message per event, not per detection. We send a confirmation first, and every message carries a link to stop them. We store the address and the place, nothing else.

This alert is in force until 9 October 2026, 18:00 UTC.

It is one of only 2 we have recorded within 20 km of this point since 6 October 2026. The last comparable one was on 6 October 2026. One more was recorded here in the fortnight before it.

What the source measured

SMHI reported: During Friday, a low pressure will pass, which will bring increasing northwesterly winds. Around Fårö, gusts may reach 21-23 m/s. The wind will gradually decrease during the evening. On Friday it will be windy in the northwest wind. Roads may be blocked by fallen trees or branches. There is a ris...

Urban PEI: 23,402 within a heuristic 50 km radius; not unique people.

How we know

One source: SMHI. 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.

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

TypeSevere Weather
SeverityMedium
Calamity Score (ours)28 / 100
Legacy data-support index0.70/1
Coordinates57.6300, 18.3000
Nearest cityVisby (1 km)
Urban exposure index (PEI)23.4K within 50 km
Impact tiersignificant
Timestamp2026-10-08T11:24:48.719Z
Sourcehttps://www.smhi.se/vader/varningar-och-risker/varningar
LicenceCC 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: 2026-10-08T11:24:48.719Z.

First archived: 2026-10-08T11:36:05.561Z. Material modification: not recorded.

Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.

Score breakdown

35
intensity
40
Urban PEI term
0
Scenario weight
18
Recorded reference / batch anomaly

Technical details

CountryCodeSE
EventWind
LevelYellow
AreaFårösund and Fårö.
Expires2026-10-09T18:00:00.097Z

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 · Visby

  1. Stay indoors

    Away from windows. Outside, flying objects and falling branches are the main danger.

    NWS
  2. Keep away from power lines

    Never touch a fallen line or anything it touches; report it.

    NWS
  3. Drive carefully, or not at all

    Gusts push high vehicles and trailers; watch for fallen trees.

    NWS

Before, during, after. Here it is still “during”.

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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