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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 from the ceilometer operating on icebreaker Oden’s 7th deck during the Arctic...

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 from the ceilometer operating on Oden’s 7th deck during the Arctic Ocean 2018...

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...

Dual-channel microwave radiometer measurements from the high-Arctic ASCOS expedition 2008

Vertically integrated water vapor (PWV) and cloud liquid water (LWP) was measured using a microwave radiometer, simultaneously observing the microwave...

Millimeter cloud radar Doppler moments measurements from the high-Arctic ASCOS expedition 2008

Cloud information data was collected using a ship-based vertically pointing millimeter cloud radar (MMCR), which is a Doppler radar at the Ka-band,...

Multi-sensor cloud microphysics product from the high-Arctic ASCOS expedition 2008

This data set includes retrievals of cloud type, characteristic particle size, and condensed water content for both liquid and ice hydrometeors. These...

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...

S-band radar data from the high-Arctic ASCOS expedition 2008

Cloud and precipitation information data was collected using a ship-based vertically pointing Doppler radar at the S-band, adapted to primarily measure...

Observations

Micrometeorological data from an ice-floe adjacent to an open lead during the Arctic Ocean 2018 expedition

Fast response (20Hz) measurements of the 3-dimensional wind vector, temperature and humidity, derived micrometeorological variables, and mean meteorological...

Micrometeorological data from an ice-floe site during the high-Arctic ASCOS expedition 2008

Micrometeorological observations were collected from two masts on an ice floe a few hundred meters from the Icebreaker Oden during ice drift of the ASCOS...

Micrometeorological data from icebreaker Oden’s foremast during the Arctic Ocean 2016 expedition

Fast response (20Hz) measurements of the 3-dimensional wind vector, temperature and humidity, derived micrometeorological variables, and mean meteorological...

Micrometeorological data from icebreaker Oden’s foremast during the Arctic Ocean 2018 expedition

Fast response (20Hz) measurements of the 3-dimensional wind vector, temperature and humidity, derived micrometeorological variables, and mean meteorological...

Micrometeorological data from icebreaker Oden’s foremast during the SWERUS-C3 Arctic Ocean expedition in 2014

Fast response (20Hz) measurements of the 3-dimensional wind vector, temperature and humidity, derived micrometeorological variables, and mean meteorological...

Navigation, meteorological and surface seawater data from the SWERUS-C3 Arctic Ocean expedition in 2014

Measurements from icebreaker Oden’s navigation, meteorological and surface seawater systems during the SWERUS-C3 expedition to the Russian Arctic Ocean....

Ozone soundings from the high-Arctic ASCOS expedition 2008

Profiles of ozone concentration were measured by a Vaisala add-on ozone sonde, for a few of the radiosoundings launched from the helipad of the Icebreaker Oden.

Radioactivity soundings from the high-Arctic ASCOS expedition 2008

Profiles of radioactivity were measured by a Vaisala add-on radioactivity sonde for a few of the radiosoundings, measuring Geiger–Müller tube count rates...

Weather and navigation data from the high-Arctic ASCOS expedition 2008

The Icebreaker Oden's weather station was mostly located on the 7th deck about 27 m above sea level, on top of the bridge. Sensors were distributed over the...

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 WMO (World Meteorological Organization) weather codes, from the present...

Present weather sensor visibility and precipitation data from the Arctic Ocean 2018 expedition

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

Radiosonde data from the Arctic Ocean 2018 expedition

Profile measurements of temperature, humidity, pressure and wind speed from radiosonde (Vaisala RS92) weather balloons launched 6-hourly from icebreaker Oden...

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...

Tethersonde mean meteorology from the high-Arctic ASCOS expedition 2008

In-situ boundary-layer meteorological observations were made from the ice using sensors hanging under a tethered balloon which was quasi-continuously winched...

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

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

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

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

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

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...