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Atmosphere

Clouds

All-Sky cloud imager data from the high-Arctic ASCOS expedition 2008

An all-sky cloud imager consists of a polished half-spherical dome mirror with a camera on top looking down. The camera takes images of the dome, which...

Ceilometer backscatter and cloud base height measurements from the high-Arctic ASCOS expedition 2008

The height to the lowest cloud base, or to more than one cloud base in the case when the lowest cloud layer does not cover the whole sky, was measured by three...

Ceilometer backscatter, cloud base height and cloud fraction data from the Arctic Ocean 2016 expedition

Measurements of cloud base height, cloud fraction and backscatter profiles. The dataset provides rare high quality meteorological observations from sea-ice...

Ceilometer backscatter, cloud base height and cloud fraction data from the Arctic Ocean 2018 expedition

Measurements of cloud base height, cloud fraction and backscatter profiles. The dataset provides rare high quality meteorological observations from sea-ice...

Ceilometer measurements, FMI, from the high-Arctic ASCOS expedition 2008

The height to the lowest cloud base, or to more than one cloud base in the case when the lowest cloud layer does not cover the whole sky, was measured by three...

Meteorological observations during the SWERUS-C3 Arctic Ocean expedition 2014 and colocated regional climate model output

Observations of the atmospheric thermodynamic structure, wind profiles and surface energy budget components from the Eastern Arctic Ocean in July through early...

Oden ceilometer cloud data from the high-Arctic ASCOS expedition 2008

The height to the lowest cloud base, or to more than one cloud base in the case when the lowest cloud layer does not cover the whole sky, was measured by three...

Weather observations

Present weather sensor visibility and precipitation data from the Arctic Ocean 2016 expedition

Measurements of visibility, precipitation type and intensity, and the corresponding World Meteorological Organization (WMO) weather codes. The dataset...

Radiosoundings from the high-Arctic ASCOS expedition 2008

Radiosoundings were launched every six hours (00, 06, 12 & 18UTC), and additionally before each helicopter flight (if not at one of the normal times), using...

Stockholm Historical Weather Observations

Weather observations have been made continuously at the old astronomical observatory in Stockholm since 1754. This is one of the world's longest records of...

Stockholm Historical Weather Observations — Barometer observations in original units since 1756

Weather observations have been made continuously at the old astronomical observatory in Stockholm since 1754. The dataset provided here contains individual...

Stockholm Historical Weather Observations — Daily mean air temperatures since 1756

Data for daily mean air temperatures at the old astronomical observatory in Stockholm since 1756 are provided. Three variants of the data are available: (i)...

Stockholm Historical Weather Observations — Monthly mean air temperatures since 1756

Data for monthly mean air temperatures at the old astronomical observatory in Stockholm from 1756 until 2019 are provided. The dataset also contains annual...

Stockholm Historical Weather Observations — Observation times since 1756

This dataset provides information about the time points when weather observations were made each day (morning, noon, evening) during 1756⁠⁠ – 2018 at...

Stockholm Historical Weather Observations — Thermometer observations since 1756

Weather observations have been made continuously at the old astronomical observatory in Stockholm since 1754. The dataset provided here contains individual air...

Visibility and present weather observations from the high-Arctic ASCOS expedition 2008

Visibility data was collected using a Vaisala visibility sensor based on forward scattered laser light deployed on the aft starboard side on the 7th deck of...

Weather data from MISU weather station during the Arctic Ocean 2018 expedition

Measurements of near-surface wind speed and direction, temperature, relative humidity, air pressure, shortwave and longwave downwelling radiation, and surface...

Weather data from the MISU weather station during the Arctic Ocean 2016 expedition

Measurements of near-surface wind speed and direction, temperature, relative humidity, air pressure, shortwave and longwave downwelling radiation, and surface...

Weather data from the MISU weather station during the SWERUS-C3 Arctic Ocean expedition in 2014

Measurements of near-surface wind speed and direction, temperature, relative humidity, air pressure, shortwave and longwave downwelling radiation, and surface...

Weather data from WeatherPak station from the high-Arctic ASCOS expedition 2008

The WeatherPak station is an integrated unit mounted approximately mid-ship on the forward railing on the Icebreaker Oden's 7th deck about 27 m above sea...