A polar low is currently located between C4 and deep D4. The low is expected to move southward during the day. In the western and northern parts of the low, northerly winds reaching strong gale force 9 and occasionally storm force 10 is expected. The low is expected to make landfall along the coast of the northern parts of Moere og Romsdal and the southern parts of Troendelag during early Friday morning. In association with the system, heavy snow showers, locally strong gusts of wind and blowing snow are expected. There will be large local variations in intensity and snow amounts, in the low lands precipitation locally as sleet. The low is expected to weaken Friday morning.

From Wednesday evening a transition to snowshowers is expected over approximately 100-300 m. Thursday afternoon and evening snow in the lowest regions is expected, first i Northern Parts of Trøndelag. Total accumulation of 5-25 cm in 24 hours locally, in the mountains more than 25 cm.