– You may want to unplug from TV / decoder, router, mobile charger etc. Stay indoors. Avoid staying in or near water, the 110 switchboard in Oslo wrote on Twitter on Thursday night.
Lightning has already struck several places in southern and eastern Norway. It is still uncertain where the storm will ravage most tonight.
– There have been active lightning strikes in the Oslo area, west of Skien and south of Arendal. It seems that it has started to boast a bit now, meteorologist on duty Ingri Halland Soldal informs at 22 o’clock.
THURSDAY: It comes from the southeast and goes north tonight.
Graphics: Meteorological Institute
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The forecast reports large local variations in intensity and quantity, and the weather can change quickly.
This awaits us throughout the night
According to the meteorologist, thunderstorms and several lightning strikes are expected throughout the evening and until Friday at 04.
– We are talking about the area that extends southeast from Flekkefjord in Agder to Jessheim, but it will probably die out when the temperature drops.
It is still uncertain which areas will be most affected by the torrential rain tonight. Drammen has so far had the most precipitation.
– It varies a lot, but the forecasts show that it is moving northeast along the coast. In Oslo, there can be up to 20 millimeters of rain in an hour.
Due to high temperatures on the ground, it leads to instability, but when it gets colder during the night, the storm will subside, Soldal explains.
– Do not go out and bathe, and do not stand on an open plain, she encourages.
Recommendations:
Stay up to date on the development of the weather and the weather forecast. Follow the weather radar or lyn.met.no. Disconnect electrical appliances. Seek shelter. Avoid open plains and large trees. Do not swim or swim.
Consequences:
Thunderstorms can bring locally strong gusts. Locally heavy rain showers. Danger of damage to object (s) as a result of lightning. The power supply and TV / internet may be affected.
Also forest fire danger
In the same area, there has been a danger of forest fires for several days. Lightning can ignite the dry forest floor. But the rain can also help reduce the risk of fire.
Danger warning for forest fire
When the thunderstorm has passed, the weather becomes unstable for a few days. A little rain on Friday, more on Saturday. But the temperatures are still good, says the meteorologist.
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