Vegetation is very easily ignited and very large areas may be affected.
Advice
Be very careful with open fire. Follow the instructions from the local authorities.
Description
Locally large gras and forest fire hazard until precipitation of significans.
Map of high forest fire danger expected, orange level, Innlandet, Viken, Oslo, Vestfold and Telemark and eastern parts of Agder, 18 May 08:00 UTC to 21 May 02:00 UTC.