Rain, rain, rain Jan 17 2025

It was so beautiful in the weekend when Tromsø got half a metre of fresh snow. Already on Monday it got warm and it started raining. Since then it has been above zero with a lot of rain of all kinds. Drizzle, steady rain, downpour. Snow became sleet, the roads and footpaths became very icy and roof avalanches tried to hit my car with wet snow.

Wet snow by the street left by the plough

While it continued raining first the larger roads became free of ice and snow and then even many smaller ones. More than half of the snow has melted away. What a shame! Anyhow, if yr is correct we get new snow on Sunday and colder weather next week. That would be much appreciated by a winter lover like me.

Data from the Norwegian weather service yr:

Date	Snow depth at 0:00 CET	Rain fall
2025-01-13	124.0 cm	26.7 mm
2025-01-14	94.8 cm	23.0 mm
2025-01-15	88.6 cm	0.2 mm
2025-01-16	72.5 cm	34.9 mm
2025-01-17	64.1 cm	13.9 mm
2025-01-18	55.0 cm

Date

Snow depth at 0:00 CET

Rain fall

2025-01-13

124.0 cm

26.7 mm

2025-01-14

94.8 cm

23.0 mm

2025-01-15

88.6 cm

0.2 mm

2025-01-16

72.5 cm

34.9 mm

2025-01-17

64.1 cm

13.9 mm

2025-01-18

55.0 cm

(Source: www.yr.no/nb/historikk/graf/5-90450)

Tromsø 2024 – a special end-of-year review Dec 31 2024

Last December I changed my “work home” in Tromsø from a tiny studio to a flat with bedroom and kitchen. First I was a bit unhappy because the studio was near to the beach Telegrafbukta while the current one lies amidst the island Tromsøya.

But then I realised how beautiful nature nearby is. There are hilly forests, bogs and ponds and a zillion ways and paths leading through.And each season looks different. I walked there the whole year, either walking home after work or just taking a promenade. In winter I used my skis.

Here is a selection of photos from this year:

Short days in Obbola II Dec 29 2024

Just some photos from Obbola in the last days.

A flock of fieldfares in our rowan tree ❦ an icy morning by the coast ❦ sunlit ice fog hovering above the bay Vitskärsudden ❦ three roe deers eating rowan berries, leftovers of the fieldfares’ meal.

Translation:

English	German	Swedish	Norwegian
Fieldfare	Wacholderdrossel	Björktrask	Gråtrost

Short days in Obbola Dec 21 2024

17 December

Clouds are moving eastwards where they block the low hanging sun, but here and there the sun peeks through holes giving the whole thing a dramatic touch.

18 December

It is chilly and ice fog hovers over the sea. I take a promenade by the icy coast.

20 December

It is quite clear and not too windy at temperatures round -12 °C. Yesterday I dug out the kayak from the snow, today it is time to take a tour. It’s a short but a beautiful one.

The coast of the Baltic sea in early winter I

The coast of the Baltic sea in early winter II

After the tour the line for the kayak rudder was frozen. The kayak is a bit too large for taking it in so I had to improvise a bit. Well, it worked.

21 December (a.k.a. today)

Today is the day of winter solstice. We could see the sun rise at 09:25 while having a comfortable Sunday morning breakfast. Today’s motive: the rowan tree under which Annika and I got married in 2020, taken through the windows of our living room.

Home in Obbola – what to do outside Dec 13 2024

After quite some travelling in the last weeks I finally arrived in Obbola, Sweden, my “home home” yesterday night. Today it started snowing a bit and I wanted to go outside to take a break from home office.

I went to the coast by our house where parts of the bay were frozen.

I haven’t been running for four weeks, so let’s go …

… running!

I put on my running shoes from Icebug. They have so many spikes that you can run on bare ice. I start on the doorstep and turn to take the trail called Spåret. This will give me a lap of round 5 km. But it was not so easy as expected. A lot of trees lay across the trail. A reminder of the storm three weeks ago.

I can go round these obstacles but soon give up running for another reason. Some parts of Spåret are bare ice but the thin layer of fresh snow glues itself to the soles of my running shoes making the spikes useless. After I slid several times I decide to stop running and go home. Total running distance: 0.78 km :-D

When running does not work, let’s go …

… kayaking!

This takes a bit more preparation. But finally I have found the paddle and the waterproof bag for the mobile phone and am dressed in my survival suit – Teletubbie style.

I drag the kayak to the shore and then through the shallow water. Slushy ice is swimming on the sea surface. To my surprise another layer of ice is grounded.

Then I walk on the ice. Will it hold or break? I don’t know yet, but I do know, the water is shallow here.

The ice holds. When the icy layer gets thinner and softer I enter the kayak. Sometimes I use my hands to push myself forward, sometimes ice claws, sometimes the paddle. Anyhow it seems to take ages until I finally reach the open sea.

Finally: open water (and some ice slush)

To my surprise I meet two other kayakers. That have never happened to my here before. They found a better place to set in their kayaks. Will winter paddling get popular here?

Anyhow, I haven’t planned a longer kayak tour and so I only round the small islet Lillskär and then head back to shore. First there are soft ice floes that I can paddle through.

Then I reach some fast ice. It is too thick for paddling and too thin to bear the weight of the kayak with me inside. I exit the kayak and “walk” it while breaking the ice with my knees. The ice gets thicker and I can kneel on it without breaking through. Now I crawl on my knees for a while until I can finally stand up and drag the kayak ashore. On the photo you can see the different stages.

Finally I’m ashore again. Total paddling distance: 0.91 km. :-D :-D

But it was fun!

October snow in Tromsø Oct 31 2024

After a period of warmer weather it got colder the weekend and on Monday, 28 October it started to snow. After work I took the bus to the lake Prestvannet and walked home. Some snow showers passed through making the landscape brighter. Most small paths are still wet and some are pretty muddy but apart from that it looked so nice with the first cm of snow.

The next day more snow came at temperatures round zero. After work I walked back pretty the same route (there are zillions of small paths leading through the hilly forests and over some overgrown bogs.) New snow depth: 6–7 cm. That makes a difference, at least visually.

Yesterday I took the bus home, today I walked again. It is 31 October, the last day of the month. The temperature is slightly below freezing and the now snow is fluffy. New snow depth: 15 cm. As the days before I pass the lake Prestvannet that starts freezing over at the edges. It is fun to plunge through the snow but as long as I leave the main tracks – and I do – I’m still glad about my rubber boots because under the clean white blanket of snow there are the same mud puddles as three days before. On the broader gravel paths however the first people have started using their skis.

Fun fact: the photos #2, #7, and #15 show the same motive. From open swampy water to frozen and snowed over in three days.

Tamokdalen, Rostadalen, Dividalen Oct 9 2024

Sometimes the trains in Northern Sweden run and sometimes they don’t. Last weekend, when my wife Annika planned to travel from Obbola to Tromsø they didn’t. Anyhow she was lucky and got a lift for most of the distance ending in the town Bardufoss. That’s less than two hours from Tromsø so I fetched her from there.

Sunday morning my car was covered with ice flowers. I was very happy that I got my tyres changed two days ago. Now I have studded winter tyres and I feel ready for winterly road conditions.

On my way to Bardufoss I took a detour through the valley Tamokdalen and the side valleys Rautadalen and Dividalen. Still many trees were clad in colourful leaves but a bit higher there where white of snow.

In Dividalen the temperature dropped to -4 °C and the road in the shadow was icy. Thank you, winter tyres!

The valley Dividalen is long and I didn’t make it to the end. On my way back the sun began to set. I crossed the river Målselva that has some river isles and turned left to the main road.

One other stop for a bog covered with frozen grass and a hill with green pines and spruces and yellow birches.

One day later – Annika and I take a walk through the forests nearby. Nature here may be less impressive but I like it very much as well. Two photos with the same theme: autumn, meet winter. What luxury to have access to nature nearby but only two minutes to the next bus stop.

A chilly tour to the Steindalsbreen Sep 29 2024

Yesterday I took a hike to the Steindalsbreen together with my friend C. and her husky. I’ve been there last year at almost the same time of the year. The previous days of this year however have been colder. The mountains are coated with snow and the ground is covered with frost.

What I really love about this hike is the different landscapes you cross. First we follow the rising forest path.

We can see the river Gievdanjohka below. After a while the path leads back down until it meets the river.

We pass the cabin Steindalshytta, follow the path a bit further and the valley Gievdanvággi opens up to a broad U-shaped valley. Reindeer are grazing on one of the slopes. While we are taking a short break the sun vanishes behind a mountain. In an instant it gets colder and I put on a woollen cap and gloves.

After the break we continue the path. We ascend a stony slope and leave the birch trees behind. A quarter ago the landscape looked more like “The hills are alive ♩|♩🎵𝅗𝅥 …”, now it appears grey and harsh.

A harsh landscape (photo taken on the way back)

And then we get a great view on the glacier and the glacial lake in front. We continue until we reach the lake’s shore.

The lake is frozen. In the icy pattern on the surface the snowy mountains and small cumulus clouds are reflected.

On the northern side of the valley it is possible to pass the lake until we reach the glacier. It looks quite different then last year.

This year it is easier to walk around for taking photos, because the soft sand you can sink in is frozen. And creates its own visual world.

A small island in the frozen glacial lake

We take photos from the glacier and the surrounding landscape. I took the following two images from almost the same place. It is just two different directions. (For the photographers: the white balance it the same on the following two images.)

After a while we decide to return to the car. It will be eight more kilometres to go. The edge of the stony slope provides a view on the levels of the landscape. In the bottom the branching river in the shadow. Above the wooded hills, now in autumnal colours. In the background a chain of snow covered mountains. They are already on the other side of the fjord Storfjorden. At half past five we are at C.’s car.

I feel privileged that I may live in Tromsø and have such a gorgeous landscape within reach for a day trip like this.

Takk for turen C., thanks for the tour!

Appendix I

In the evening the sky was still clear. At a quarter to ten I went on the balcony of my rented apartment to check for polar lights. I was not disappointed and got my first aurora of the season. I just took a photo from the balcony.

Appendix II

Today I compared the tracks from last year’s and this year’s hikes to the glacier. The satellite imagery on the screenshots is old. I do not walk on glaciers without guide.

On both hikes I approached the glacier until I could touch it. The glacier is in the west (or left). You can clearly see that I came further west this year which means, that the glacier has shrunk within the last 12 month. Where will the glacier calve next year? In five years? In ten? When will it be gone? Depressing thoughts after a wonderful tour.

Ice station two and icebergs Aug 26 2024

This article is part of the series “2024-08: Fram Strait cruise KPH”.

When I woke up in the morning of the 20th of August my first thought was: will there be another ice station? I peeked through the port hole and – yes – we were at least in the ice. From the helicopter deck it looked like this:

Round nine o’clock the ice station is started. Eleven people are involved – four scientists and students actually doing science, a polar bear guard on the ice and two times three bridge watches taking turns to observe everything from above. I take the morning shifts, the weather is not good for drone flying anyhow. Yesterday we had a lot of polar bears on the ice, today it is quiet. It is more the fog that could lead to problems, but even the visibility is ok. Good luck.

In the afternoon it has become too windy to fly the drone. I get onto the ice anyhow to take photos for outreach. Time to show people doing research on the ice. It is a lot of manual work. Carrying things down the gangway, pulling sledges, using drills with coring equipment, a saw to slice the ice cores, a digital thermometer and for a lot of data – paper and pencil. This may sound antiquated but writing down notes works often works better in harsh environments than using electronics.

Ice work I: pulling equipment (Lia Herrmannsdorfer, NTNU in the front)

Ice work II: taking cores (Henrik Fisser, UiT and Dmitry Divine, NPI)

Ice work III – measuring (Henrik Fisser, UiT and Dmitry Divine, NPI)

Ice work IV – writing down data (Henrik Fisser, UiT)

Ice work V: measuring an ice core (Alexandra Pliss, NTNU)

Later, just before dinner people who never have stood on the sea ice before become an opportunity to do that. I was on the sea ice three times since yesterday, so I volunteer for bridge watch again. The weather has become more and more nasty. It is raining and wind is blowing with temperatures round +1 °C. So it looks from the bridge:

At 17:30 (dinner time) the second ice station is finished. Now we will head back more or less the same way we came from. I take some photos from the helicopter deck, especially from the turquoise coloured melt ponds that I have never seen before like that.

Melt ponds on the sea ice in the Fram Strait I

Melt ponds on the sea ice in the Fram Strait II

Melt ponds on the sea ice in the Fram Strait III

At 9 o’clock we reach the ice edge and sail through the open sea again. Time to say farewell. I do not know when I’ll may see my beloved sea ice again.

Anyhow one thing was different than on our way there some days ago: icebergs are drifting on the sea. We see a lot of them on this and the following day. Some of them are small or medium sized …

… one of them was huge. I am able to take a drone photo from above. I estimate that the cliff to the right has a height of 10-15 metres.

There was one difference between the two ice stations. It is visible on the map:

While the 2nd ice station started and ended at the same place, the 1st ice station didn’t. This is because the 1st station was on drift ice while the 2nd station was on fast ice. Fast ice is either grounded or it is connected to land, in this case Greenland.

Although Greenland with islands was more than 50 km away it was visible on the 19th of August. I was really surprised and also happy – I have never seen Greenland before. And I managed to take some blurred photos (cropped image, 600 mm focal length).

Feels like I should visit that place sometimes …

Ice station one and polar bears Aug 25 2024

This article is part of the series “2024-08: Fram Strait cruise KPH”.

For days we wondered, will we ever have an ice station on this Fram Strait cruise in open water? But then at 14° 21′ W, 79° 02′ N we found a large ice floe to work on. Shortly after nine o’clock I finally was on the ice again!

But I wasn’t here to take snapshots but to fly drone and to take a lot of photos from above.

I had issues with the drone from the Polar Institute, so I fetched my private one. First I had to calibrate some sensors, especially the compass and then I put the drone into the air and made some photos to check the image exposure. Ok, looks pretty good.

Test photo I – researchers and equipment from above

Test photo II – Kronprins Haakon in the ice

Now I flew the drone in a rectangular zig-zag pattern. That’s a bit tricky, because the drone is positioned by GPS while the ice flow is drifting. Since I wasn’t sure if I covered every part of the ice station I flew a second round. The single photos look like these:

Before going on board I took a couple of photos on the ice.

Ice work– Henrik Fisser (UiT), Dmitry Divine (NPI)

On board I uploaded the photos first into my laptop and then into the program OpenDroneMap that would stitch the photos together and add geographical information. And then it was 11:30, lunch time!

After lunch I went up on the bridge on deck 8. Together with two others I was observing my segment checking for polar bears, cracks in the ice and weather. There were several polar bears around but all were further away. I also had a VHF to keep track on the people on the ice. I had two shifts, 12:30–13:15 and 14:00–14:45.

After my second shift I got to know that we had a polar bear in front of the ship. So one of the bears that we had observed for hours had finally decided to pay us a visit. That meant of course that all people had to leave the ice. On the helicopter deck many people were around to watch the bear.

And there it was – a surprisingly white curious fellow that examined our ship. Did it smell the cake?

In the meanwhile OpenDroneMap finally created a properly rendered orthophoto. I was relieved because I was not sure if my drone photos were sufficient. This is an excerpt:

In the afternoon I had fixed the issue with the other drone. At 19:00 I would have another opportunity to go onto the ice to re-calibrate and test it. Our ice visit was however postponed because another polar bear was paying a visit. It looked much thinner than the other one, but on the other side the fur was wet. So photo shooting again. It surrounded the ship and then stopped, laid down onto its stomach, pushed itself forward with its furry feet and then rolled in the snow before it continued its walk.

We had to wait some time but then the ice was clear and I had time to test the drone on the ice. It worked. Hopefully I would be able to use it on the second ice station on the next day but the forecast does not look promising. Too much wind.

I shot a drone selfie and then I was ready to go on board. I just had to put my hand into one of the polar bear paw prints for size comparison.

The bear won!

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