Evening, Mar. 6
closeSaturday a polar low develops at Tromsoflaket, and moves westward to D3. From Saturday afternoon the polar low moves south and will likely hit Trondelag Saturday evening and early Sunday morning. In western part of the polar low it is expected north storm force 10, possibly violent storm force 11 of short duration. It is currently uncertain where the polar low will hit, stay updated on the latest weather warnings.
Area
Applies to Froeyabank, Haltenbank, Sklinna Bank, Traena Bank, C4, D3, Deep D4, E3, F3, Sør-Trøndelag and Nord-Trøndelag.
Instructions
Be aware of very abrupt weather changes. Follow advice and check status from transport operators. Check road reports (175.no). Use tires fit for winter conditions and use caution while driving.
Consequences
Abrupt changes in wind speed and wind direction. It can be difficult to navigate due to snow, blowing snow and reduced visibility. Driving conditions can be hazardous, vehicles and trucks can become stuck. The power supply may be impacted. Many journeys will have longer travel time.
Timeline
- Saturday, 6 March 07:00 - ongoing danger
- Sunday, 7 March 09:00 - danger is over
The three severity levels
Orange - considerable dangerRead more about the severity levels at hjelp.yr.no
From late Saturday morning northwest near gale force 7 to gale force 8 and snow showers will give locally blowing snow, in northern Troendelag severe gale force 9.
Area
Applies to Trøndelag.
Instructions
Allow extra time for transportation and driving. Follow advice and check status from transport operators. Check road reports (175.no). Use tires fit for winter conditions and use caution while driving. Avoid unnecessary journeys to exposed places.
Consequences
Reduced visibility. Local driving conditions may become difficult due to snow accumulating on the road. Expect convoys and/or closed roads on short notice.
Timeline
- Saturday, 6 March 10:00 - ongoing danger
Saturday northwest strong gale force 9 to storm force 10. Saturday evening and early Sunday morning possibly violent storm force 11. Late Sunday morning decreasing.
Area
Applies to Froeya - Roervik.
Instructions
It is not recommended to be at sea in a small boat. Do not go out at sea in a small boat.
Consequences
Moderately high waves with breaking crests forming spindrift. Considerable airborne spray. High waves whose crests sometimes roll over. Airborne spray may reduce visibility. Very high waves. Considerable tumbling of waves with heavy impact. Reduced visibility. Exceptionally high waves. Very large amounts of airborne spray severely reduce visibility.
Timeline
- Saturday, 6 March 15:00 - ongoing danger
- Sunday, 7 March 09:00 - danger is over
| Time | Weather | Temperature | Precipitation mm | Wind speed | Wind description |
|---|---|---|---|---|---|
snow | Temperature0° | 0.1 to 2.1 | 14 m/s from north west with gusts at 23 m/s | Moderate gale from north west with gusts at 23 m/s | |
snow | Temperature1° | 0.1 to 1.1 | 18 m/s from north west with gusts at 29 m/s | Fresh gale from north west with gusts at 29 m/s | |
snow | Temperature-1° | 0 to 1.3 | 18 m/s from north west with gusts at 31 m/s | Fresh gale from north west with gusts at 31 m/s | |
light snow showers | Temperature-1° | 0 to 1.4 | 15 m/s from north with gusts at 29 m/s | Moderate gale from north with gusts at 29 m/s | |
fair | Temperature-1° | 0 to 0.3 | 16 m/s from north west with gusts at 24 m/s | Moderate gale from north west with gusts at 24 m/s |
