Riksgränsen, Norrbotten, Sweden Severe Weather Alertstar_ratehome

Friday afternoon south 14-17 m/s. Late Friday evening decreasing.; What should I think about?: Pay close attention to the marine forecast and prepare crew and vessel for high winds and seas.
Keep in mind that the wind gusts are often significantly higher than the average wind.; Where?: Bay of Bothnia

During the evening there is a risk of severe thunderstorms with a risk of a lot of lightning and heavy rain, which could cause flooding or fires.; What happens?: From late afternoon and into the evening there is a risk of thunderstorms that can become severe with lots of lightning and heavy rain. There is also a risk of large hail and very strong gusts of wind.; What should I think about?: Flooding can occur in, for example, basements and stormwater systems. Check if you can seal your basement, or move items that are at risk of being damaged by water.
Clear gutters, storm drains and other waterways so that the water can flow away unimpeded.
Roads and underpasses may be flooded, avoid driving through the water.
Travel times may increase due to poor visibility and risk of hydroplaning. Allow more time for your journey and adjust the speed according to road conditions.
It may be dangerous to be outside in intense lightning. Stay away from tall objects suck as trees, and avoind swimming.
Lightning strikes can cause disturbances in electricity and telecommunications networks as well as in train- and air traffic, and there is a risk of fires.; Where?: Parts of Jämtland County and northern Västernorrland, large parts of Västerbotten County and eastern Norrbotten County.; Comments: There is great uncertainty about where and when thunderstorms will form and many places in the warning area are not expected to be affected.