MADIS Road Weather Information System (RWIS) & Clarus Quality Control
This page provides a detailed description of the quality control (QC) processing and data structures for the RWIS and Clarus dataset.
For a general overview of MADIS quality control, click here.
Automated Quality Control
Clarus Quality Control Checks
MADIS Surface Variables with Clarus QC
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Code Name Max | Level 1: | Level 2: | Level 3:
Possible | | |
QC Level | Sensor Climate | Step Like Persistence Dewpoint Sounding Precip | IQR Barnes
| Range Range | Instrument Accum |
--------------------------------------------------------------------------------------------------------------------------------------------
TD dewpoint temperature 3 X X X X X X*
RH relative humidity 3 X X X X X X*
Q specific humidity 3 X X X X X X*
DPD dewpoint depression 3 X X X X X X*
AH absolute humidity 3 X X X X X X*
WVMR water vapor mixing ratio 3 X X X X X X*
ALTSE altimeter 3 X X X X X X*
SLP sea level pressure 3 X X X X X X*
P station pressure 3 X X X X X X*
T air temperature 3 X X X X X X*
TV virtual temperature 3 X X X X X X*
DD wind direction 3 X X X X X X*
FF wind speed 3 X X X X X X*
U u wind component 3 X X X X X X*
V v wind component 3 X X X X X X*
VIS visibility 3 X X X X X X*
PCP5M accumulated precip - 5m 2 X X X X X X*
PCP15M accumulated precip - 15m 2 X X X X X X*
PCP1H accumulated precip - 1h 2 X X X X X X*
PCP3H accumulated precip - 3h 2 X X X X X X*
PCP6H accumulated precip - 6h 2 X X X X X X*
PCP12H accumulated precip - 12h 2 X X X X X X*
PCP18H accumulated precip - 18h 2 X X X X X X*
PCP24H accumulated precip - 24h 2 X X X X X X*
PCPLM accum. precip - since local midnight 2 X X X X X X*
PCPUTCM accum. precip - since UTC midnight 2 X X X X X X*
PCPCDAY accum. precip - local calendar day 2 X X X X X X*
PCPUDAY accum. precip - user-defined day 2 X X X X X X*
PCPRATE precipitation rate 2 X X X X X X*
DDGUST wind dir at gust 3 X X X X X X*
FFGUST wind gust 3 X X X X X X*
RDTX Road temperature - sensor X (1-N) 3 X X X X X X X*
RDLFTX Road liquid freeze temp - sensor X 3 X X X X X X X*
RDLCFX Road liquid chem factor - sensor X 3 X X X X X X X*
RDLCPX Road liquid chem percent - sensor X 3 X X X X X X X*
RDLIPX Road liquid ice percent - sensor X 3 X X X X X X X*
RDLDPX Road liquid depth - sensor X (1-N) 3 X X X X X X X*
RDSTAX Road state - sensor X (1-N) 3 X X X X X X X*
RDSUBTX Road subsurface temp - sensor X 3 X X X X X X X*
Quality Control Checks
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2 Sensor range
3 Climate range
4 Step
5 Like Instrument
6 Persistence
7 IQR
8 Barnes -- only if IQR has not enough data to run
9 Dewpoint
10 Sounding
11 PrecipAccum
Last updated 15 March 2017
