Requirements

Specification of Qc2 Algorithms

TEMPLATE

• Algorithm Template

REDISTRIBUTION

• Redistribution of 24 hour preciptation

SIMPLE INTERPOLATIONS

• OBSOLETE Interpolation of _Single_ Missing Temperature Observations with TAN, TAX comparison
• OBSOLETE Interpolation of Missing Temperature Observations … update this since these algorithms have now been generalised.
• OBSOLETE Generalised single missing point interpolation (working)
• Version 3.2
• Including consistency with max and min values

AKIMA INTERPOLATIONS FOR VARIABLE LENGTH GAPS

• Method Description

PLUMATIC

• Plumatic Specification

DIP TESTS

• First Specification: Detection and correction of extremes / Dip Test / ...
• First Revision
• Update based on friskmelding document and discussion.
• Final version following dip-test-criteria-201104.pdf.

STATISTICAL CONTROLS

• QC2d-4 Statistics control Quantile method
• QC2d-4 Statistics control Mean value method
• QC2d-4 Statistics control Periodic sum method

INTERPOLATION

• General Guide to Interpolation Options

PLACEHOLDERS

• Qc2
• System
• Qc2

System Specification

• Qc2 Flags
• Format Guidelines for Cfailed

NORDKLIM-OBS Project 4

A Nordklim-OBS working group is in the process of being set up to develop Qc2 algorithms and provide guidelines for Qc2 software development.

• Inputs from the NORDKLIM-OBS working group
• NORDKLIM