ECCC YOPP SiteMIP data available

Environment and Climate Change Canada (ECCC) has developed the Canadian Arctic Prediction System (CAPS). CAPS has been runned in operation at the Canadian Meteorological Service in experimental mode since February 2018. Prior to the 28th of June 2018 (included), CAPS was runned uncoupled, whereas since the 29th of June 2018 (included), CAPS was coupled with the Canadian Regional Ice and Ocean Prediction system (RIOPS).

Transformation service unavailable 29th Oct 2019

Due to maintenance, the transformation service will be unavailable from 08:00 to 16:00 Tuesday 29th October 2019. We are sorry for any inconvenience this may cause.

Intensive Atmospheric Soundings during the Chinese Arctic Cruise in 2018

During the Cinese Arctic Cruise in 2018 frequent radiosoundings were launched in support of YOPP Special Observation Period along the path of XUELONG ice breaker. The radiosoundes were launched 2-3 times per day from July 28th to September 3rd in the Arctic Ocean and a total of 76 soundings data were shared through WMO GTS in BUFR format. These BUFR files are now available for download at:

http://data.wis.cma.cn/GTS/open/BUFR/Upper_air/Arctic_Xuelong

Ship-borne radiosonde observation data from Korea Polar Prediction System (KPOPS)

Data from the Yopp-endorsed project KPOPS are now available.

The radiosonde balloon sounding observations were performed from 5 August 2019 to 17 September 2019 to obtain the Arctic Ocean high-resolution atmospheric vertical profiles along the IBRV Araon cruise track at four times daily intervals (00, 06, 12, 18UTC). The data include vertical profiles of temperature, humidity, pressure, wind speed and wind direction up to about 30km. The data have been used for the data assimilation of the KOPRI Arctic weather forecast system.

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