18 Apr 2023
 | 18 Apr 2023
Status: this preprint is currently under review for the journal ESSD.

IWIN: The Isfjorden Weather Information Network

Lukas Frank, Marius Opsanger Jonassen, Teresa Remes, Florina Roana Schalamon, and Agnes Stenlund

Abstract. In an effort led by the University Centre in Svalbard (UNIS), with support from the Norwegian Meteorological Institute (MET Norway), the Isfjorden Weather Information Network (IWIN) is under development in the Isfjorden region, central Svalbard. The network substantially expands upon the relatively sparse existing operational network of weather stations and consists of compact and cost-efficient all-in-one weather stations permanently installed on lighthouses around Isfjorden and onboard small tourist cruise ships trafficking the fjord from the spring to the autumn. All data from the network are freely available online in near real-time via MET Norway’s data portals ( The IWIN data are highly valuable for scientific purposes such as atmospheric boundary layer research, validation and development of numerical weather prediction models and assimilation in these, as well as planning and safe conduction of outdoor activities in the region.

Lukas Frank et al.

Status: open (until 01 Jul 2023)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CEC1: 'Comment on essd-2023-99', Ken Mankoff, 25 Apr 2023 reply
  • RC1: 'Comment on essd-2023-99', Anonymous Referee #1, 12 May 2023 reply
  • RC2: 'Comment on essd-2023-99', Anonymous Referee #2, 28 May 2023 reply

Lukas Frank et al.

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IWIN: The Isfjorden Weather Information Network Lukas Frank, Marius Opsanger Jonassen, and Teresa Remes

Lukas Frank et al.


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Short summary
The Isfjorden Weather Information Network (IWIN) provides continuous meteorological near-surface observations from Isfjorden in Svalbard. The network combines permanent automatic weather stations on lighthouses along the coast line with mobile stations onboard small tourist cruise ships regularly trafficking the fjord during spring-autumn. All data are available online in near real-time. Besides their scientific value, IWIN data crucially enhance the safety of field activities in the region.