MADIS NOAA Profiler Network Quality Control
This page provides a detailed description of the quality control (QC) processing and data structures for the npn dataset.
For a general overview of MADIS quality control, click here.
Automated Quality Control
NPN Quality Control Checks
MADIS NOAA Profiler Network (NPN) Variables with QC
------------------------------------------------------------------------------------------
Code Name Max Level | Level 1: | Level 2:
Possible | |
QC Level | Validity | Internal Time-Height
| | Consistency Consistency
------------------------------------------------------------------------------------------
Integrated Profile
------------------
DD wind direction 2 X X X
FF wind speed 2 X X X
U u wind component 2 X X X
V v wind component 2 X X X
Low Mode Levels
---------------
DDL wind direction 2 X X X
FFL wind speed 2 X X X
UL u wind component 2 X X X
VL v wind component 2 X X X
High Mode Levels
----------------
DDH wind direction 2 X X
FFH wind speed 2 X X
UH u wind component 2 X X
VH v wind component 2 X X
Internal Consistency Checks
---------------------------
1 Bird contamination check
(spectral width check on data below 5000 m MSL to locate the
presence of migrating birds)
Last updated 16 March 2017
