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In the new contribution to Polar Prediction Matters, two forecasters from Environment and Climate Change Canada (ECCC) report on automated prediction products to help forecasting blizzards in the Canadian Arctic.

Ed Blockley, November 2018

CryoSat-2 satellite sea-ice thickness estimates have been assimilated within the Met Office’s Global Seasonal (GloSea) coupled ensemble prediction system, which leads to a significant improvement in the skill of September Arctic sea-ice predictions made from May.

In October, the sea-ice extent in the Arctic was once again below the double standard deviation from the long-term average (see Figure 1).

Researchers at the Alfred Wegener Institute (Germany) assessed for the first time the skill of state‐of‐the‐art forecast systems, using a new verification metric that quantifies the accuracy of the ice edge position.

We are seeking a senior research associate to carry out atmospheric modelling on the impacts of surface exchange processes over sea ice. You will work with a numerical weather prediction model to test parameterization schemes for surface exchange over sea ice and their impact on weather and climate locally and globally. You will be a key researcher within an exciting new project that will make use of existing and new research vessel and aircraft observations of the atmospheric boundary layer.

A suite of atmospheric model experiments was carried out by researchers at the Alfred Wegener Institute in the frame of the APPLICATE project to study the impacts of the Arctic troposphere on the midlatitude atmospheric circulation and climate variability.

PAMIP workshop, 24-27 June 2019, Devon, UK

The deadline is approaching fast for abstract submission due on next Monday, 3 September 2018 to join the YOPP Arctic Science Workshop which will be held from 14 to 16 January in Finland, Helsinki.

The August report for the 2018 Sea Ice Outlook (SIO) is now available online.

For the August report, 39 contributions were received that include pan-Arctic predictions. Of those contributions, 10 also included pan-Antarctic predictions and 11 included predictions for Alaskan waters.

For three months – from 1 July to 30 September – extensive extra observations will be carried out at numerous land stations in the Arctic, as part of YOPP-endorsed field campaigns and expeditions, and by autonomous instruments. Numerical experimentation and internationally coordinated verification activities will use the additional observations generated during SOP2 for forecast evaluation and observational impact studies.