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Patrick Eriksson

@pberiksson.bsky.social
44 followers 53 following 13 posts

Oceanographer and Sea-ice analyst from southern Finland.

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Patrick Eriksson @pberiksson.bsky.social · 06/02/2026
Also the Hanko station now measured its all-time low of -84 cm below mean water level since it was founded in 1887.
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Reposted by Patrick Eriksson
Mika Rantanen @mikarantane.bsky.social · 06/02/2026
Breaking: Helsinki, Finland, has just recorded its lowest sea level on record, as a cold easterly flow and strong high pressure have pushed water out of the Baltic Sea. The observed minimum this morning was −93.5 cm below normal. The Helsinki tide gauge record goes back to 1904.
Annual minimum sea level in Helsinki in 1904-2026.
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Patrick Eriksson @pberiksson.bsky.social · 05/02/2026
A justified concern indeed! At least the VTS monitoring is constantly watching the situation and on their toes.
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Patrick Eriksson @pberiksson.bsky.social · 05/02/2026
All Finnish icebreakers are busy assisting maritime traffic, and the #seaice on the #BalticSea continues to expand. If the Bothnian Sea becomes fully ice-covered this winter, it would be the first time since February 2011. Follow the daily ice situation at: en.ilmatieteenlaitos.fi/ice-conditio...
Part of the Baltic Sea ice chart, dated 5th February 2026, depicting the sea-ice cover with colour codes.
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Patrick Eriksson @pberiksson.bsky.social · 24/01/2026
Drawing ice charts is fun, sometimes the ice polygons take some nice shapes, like this cute Ice Fox sitting on the Oulu fairway on today's #BalticSea #icechart.🦊😍 You can access the @ilmatieteenlaitos.fi ice chart at en.ilmatieteenlaitos.fi/ice-conditions
sea-ice chart area in a shape of a fox
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Patrick Eriksson @pberiksson.bsky.social · 20/03/2025
Such an obvious bi-annual event, but still sooo cool! =)
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Reposted by Patrick Eriksson
Taisto Hakala @taistohakala.bsky.social · 01/03/2025
☝️👨‍🚒 Merijää on erittäin haurasta rannikolla, eikä siellä liikkuminen ole turvallista. 🛟 Kaksi jäiden läpi Porissa ja yksi Valkeakoskella. 👇 www.is.fi/kotimaa/art-... 🛟 Mies jäiden läpi Taivassalossa. 👇 www.ts.fi/uutiset/6583... 🏊‍♂️ Jäätilanne 👇 www.ilmatieteenlaitos.fi/jaatilanne #varoheikkojajäitä
is.fi
Kolme henkilöä humpsahti jäiden läpi – pelastuslaitokselta painava muistutus
Porissa kylmän kylvyn sai kaksi, Valkeakoskella yksi.
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Patrick Eriksson @pberiksson.bsky.social · 22/01/2025
Nares Strait?
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Patrick Eriksson @pberiksson.bsky.social · 09/12/2024
Our ice chart can be found on the page en.ilmatieteenlaitos.fi/ice-conditions
en.ilmatieteenlaitos.fi
Ice conditions - Finnish Meteorological Institute
Today´s ice conditions in the Baltic Sea. The Baltic Sea ice chart as pdf and simplified charts. Ice report and an ice extent graph.
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Patrick Eriksson @pberiksson.bsky.social · 09/12/2024
This winter's daily Baltic Sea #icechart :ing, done jointly by the Finnish and Swedish ice services, started today. The freeze-up is well under way in the Bay of Bothnia and the #icebreaking operation will quite likely start within a few weeks.
https://en.ilmatieteenlaitos.fi/ice-conditions
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Patrick Eriksson @pberiksson.bsky.social · 06/12/2024
The long-awaited #Sentinel-1C satellite 🛰️ is now in orbit! So excited to pipeline its data to our sea-ice monitoring and the #BalticSea #icebreaking as soon as possible. www.esa.int/Newsroom/Pre...
esa.int
Double win for Europe: Sentinel-1C and Vega-C take to the skies
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Patrick Eriksson @pberiksson.bsky.social · 20/11/2024
Get your popcorn 🍿 ready. In Kemi the previous all-time low was recorded in 2016, back then reaching -128 below mean water reference.
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Patrick Eriksson @pberiksson.bsky.social · 18/11/2024
What do you call a post on Bluesky? A flap?
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Patrick Eriksson @pberiksson.bsky.social · 18/11/2024
When looking a few days ahead, we have to look at probabilities caused by diverging forecasts. Here we chose to change the weighing of forecasts with different sensitivity to weather forcing and local conditions. The coming runs will narrow things down a lot in the coming couple of days.
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Patrick Eriksson @pberiksson.bsky.social · 18/11/2024
And just as you posted that update, the re-evaluation of the forecasts forced us at #FMI_OceanographicServices to downgrade back. Unusually high waves (close to 5 m) in the Bay of Bothnia are still possible, however.
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