FMI
Published March 17, 2026 | Version v1
Dataset Open

Data for manuscript: "Future Rime Ice Conditions for Energy Infrastructure over Fennoscandia Resolved with a High-Resolution Regional Climate Model" by Rockas et al.

Creators

Contributors

Contact person:

  • 1. ROR icon Finnish Meteorological Institute

Description

This dataset contains five tarballs and two .csv-files containing key icing outputs obtained in the manuscript: "Future Rime Ice Conditions for Energy Infrastructure over Fennoscandia Resolved with a High-Resolution Regional Climate Model" by Rockas et al. (2026). In the study, in-cloud icing in northern Europe was analyzed with HCLIM (Harmonie-Climate) simulations used as input. The HCLIM simulations were driven with two GCMs (EC-EARTH and GFDL-CM3) and for three time periods (1986-2005, 2041-2060, and 2081-2100) with RCP8.5 pathway as the emission scenario.

Three of the tarballs include icing calculations for the whole study area (mean ice mass, annual maximum ice mass and mean annual icing hours), while two others are from specific study areas (Kontiolahti and Utsjoki) and cover all the outputs of the icing model. These results have been analyzed at the model height of 50 meters. The two .csv-files include annual icing hours calculated for a study area in Kauhajoki and cover multiple tropospheric heights (50, 100, 200, 300 and 400 meters).

Files

Kauhajoki_Annual_icing_hours_EC-EARTH.csv

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Additional details

Identifiers

URL
https://etsin.fairdata.fi/dataset/fe803c87-744c-48dd-9dfe-ed8b64300476

Related works

Is derived from
Data paper: https://doi.org/10.1007/s00382-022-06589-3 (URL)

FMI metadata

Lineage
Icing model developed at FMI, based on ISO 12494, was driven with HCLIM (Harmonie Climate) simulations as input (temperature, cloud liquid water content and wind speed from multiple tropospheric heights as main input). As output, multiple in cloud icing-related parameters were derived for three time periods and two GCMs.
Parameter
Parameter name : Mean ice mass 50 m
Parameter unit : kg/m
Parameter description : mean_ice_mass_50m
Parameter name : Maximum annual ice mass 50 m
Parameter unit : kg/m
Parameter description : maximum_ice_mass_50m
Parameter name : Mean annual icing hours 50 m
Parameter unit : h
Parameter description : mean_icing_hours_50m
Parameter name : Diameter of the model cylinder 50 m
Parameter unit : m
Parameter description : D50m
Parameter name : Icing rate 50 m
Parameter unit : g h**-1
Parameter description : dMdt50m
Parameter name : Ice mass
Parameter unit : kg/m
Parameter description : ice_mass50m
Parameter name : Ice density 50 m
Parameter unit : kg m**-3
Parameter description : ice_rho50m
Parameter name : Icing rate 50 m
Parameter unit : mm h**-1
Parameter description : mm50m
Parameter name : Temperature 50 m
Parameter unit : °C
Parameter description : T50m
Parameter name : Liquid water content 50m
Parameter unit : g m**-3
Parameter description : lwc50m
Parameter name : Wind speed 50 m
Parameter unit : m/s
Parameter description : ws50m
Data levels (meter, hectoPascal, degree, sigma pressure levels, other) in vertical direction(+/-) for example 1500 m or 850 hPa
Level : 50
Level unit : meter
Level : 100
Level unit : meter
Level : 200
Level unit : meter
Level : 300
Level unit : meter
Level : 400
Level unit : meter
Resolution
3
Resolution unit
km
Topic category
http://inspire.ec.europa.eu/metadata-codelist/TopicCategory/climatologyMeteorologyAtmosphere

Temporal Coverage

Spans:

Span:1986-2005
Span:2041-2060
Span:2081-2100