From this form, you will have access to statistical information and graphs of the data provided by databuoys and Voluntary Observing Ships received on the GTS for the past two weeks. The procedure to fill the form is :
  1. You must exactly know either the Call Sign or the WMO Number of the station : fill in the 'Enter call sign or WMO Number' field,
  2. Surface marine data received on GTS for the past two weeks may be viewed, in this case select either the type of plot to generate = data Plot or Data Plot Scaled ( which will adjust better the scale of the value displayed according to the min and max value found for parameter selected ...) . If you need to view the Comparisons with model outputs select the type of plot to generate = Quality Control Plot,
  3. Then, select the observation parameter you need to monitor , and confirm with the 'OK' button : you will access to the plot selected.
Please take care of the results when using the graphs produced. The model outputs do not reflect necessarily the truth. Station data can be significantly different from model outputs in sparse areas, coastal areas (due to local effects), areas with strong gradient...
A page with more explanations is available...