# **NorShelf observation and performance tracking**

Number of obseravations as a function of time. All available data sources are included.

Distribution of available SST observations.

Distribution of available insitu temperature observations.

Distribution of available insitu salinity observations.

Distribution of available radial velocity obserations.

Percentage of observations left after Quality Control.

Cost function values per observation source .

Impact of assimilation on hydrography.

Impact of assimilation on velocity and energy levels.

Evolution of costfunction reduction.

Skill statistics SST.

Skill statistics HF radars.

Skill statistics insitu Temperature.

Skill statistics insitu Salinity.

Scatterplot of insitu Temperature (Over the last week) .

Scatterplot of insitu Salinity (Over the last week).

Scatterplot of insitu density (Over the last two weeks).