Risk of storm water in urban areas, local flooding, stream bank erosion, changing waterways, shallow landslides at locations impacted by showers. Hail, thunder and lightning, and strong wind gusts. Road conditions affected with road spray and hydroplaning in some places. Damage to electrical systems and equipment due to lightning.
Keep yourself informed of the latest weather developments and forecasts. Follow the weather situation on the rain radar. Stay away from steep slopes as well as fast flowing streams. Cleaning of drainage systems and culverts is recommended so that the water can drain away. Adjust the speed and use caution while driving. Unplug electrical equipment. Avoid being the highest object, and keep away from lone trees, towers, or masts.
From Sunday morning to Sunday evening very heavy rain showers are expected locally in your area and the showers can last 2 to 3 hours. There will be large local variations in intensity and duration and the weather conditions can change rapidly. The exact location of the precipitation is uncertain, but the areas with the highest probabilities for heavy rain showers are in the north part of Buskerud, aerea east of Oslo and south parts of Oppland and Hedmark.