Säm Weather Warnings

On Saturday there is a risk of severe thunderstorms and locally larger amounts of rain.; What happens?: During Saturday, rain showers will form with a risk of severe thunderstorms. Locally, larger amounts of rain may fall in connection with the thunderstorms. The exact location and time of the thunderstorm is difficult to assess. ; 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?: Västra Götaland and southwestern Svealand; Comments: There will be large local variations and it is uncertain where the heaviest rain and thunderstorms will occur. The warning may be adjusted, both by removing areas but also by upgrading areas to a higher warning level.

SMHI

Lightning can damage objects: Lightning can cause fires in buildings. Dry vegetation/forest can catch fire. Power supply and TV/internet can be affected. Electrical appliances may be damaged if not unplugged. Locally strong wind gusts: Thunderstorms can bring strong wind gusts. Locally difficult driving conditions: Heavy rainfall can lead to flooding on roads in some areas. Stay updated: Follow the development of the thunderstorms at yr.no/en/map/lightning. Avoid putting yourself in danger: Avoid outdoor activities in exposed areas, such as on mountains, in water, or on open fields. Make sure you are not the highest point in the area. Seek shelter during the thunderstorm, but avoid taking cover under a tree. Do not stay in water or in a small boat. There is a risk of frequent lightning. There will be local differences in intensity. Some places will not experience any lightning.

DNMI