MADIS Meteorological Surface Quality Control
This page provides a detailed description of the quality control (QC) processing and data structures for the meteorological surface dataset.
For a general overview of MADIS quality control, click here.
Automated Quality Control
MADIS Quality Control Checks
MADIS Surface Variables with QC ------------------------------------------------------------------------------------------------------------------------ Code Name Max | Level 1: | Level 2: | Level 3: Possible | | | QC Level | Validity | Internal Temporal Statistical | Spatial | | Consistency Consistency Spatial | Consistency Consistency | ------------------------------------------------------------------------------------------------------------------------ TD dewpoint temperature 3 X 3 X* X X* TD1H hourly average dewpoint temperature 2 X X TD15M dewpoint temperature - 15m 3 X X X X TD1HCHG 1 hour dewpoint temperature change 1 X RH relative humidity 3 X 3 X X X RH1H hourly average relative humidity 2 X X RH15M relative humidity - 15m 3 X X X X RH1HCHG 1 hour relative humidity change 1 X Q specific humidity 3 X 3 X X X Q1H hourly average specific humidity 2 X X Q15M specific humidity - 15m 3 X X X X Q1HCHG 1 hour specific humidity change 1 X DPD dewpoint depression 3 X 3 X X X DPD1H hourly average dewpoint depression 2 X X DPD15M dewpoint depression - 15m 3 X X X X DPD1HC 1 hour dewpoint depression change 1 X AH absolute humidity 3 X 3 X X X AH1H hourly average absolute humidity 2 X X AH15M absolute humidity - 15m 3 X X X X AH1HCHG 1 hour absolute humidity change 1 X WVMR water vapor mixing ratio 3 X 3 X X X WVMR15M water vapor mixing ratio - 15m 3 X X X X WVMR1HC 1 hour water vapor mixing ratio chng 1 X ALTSE altimeter 3 X X X X ALTS15M altimeter - 15m 3 X X X X AL1HCHG 1 hour altimeter change 1 X PT3 3 hour pressure change 2 X 2 SLP sea level pressure 3 X 1 X X X P station pressure 3 X 1 X X X P15M station pressure - 15m 3 X X X X T air temperature 3 X 3 X X X T1H hourly average temperature 2 X X T15M air temperature - 15m 3 X X X X T1HCHG 1 hour temperature change 1 X ARCHVT archived temperature 3 X X X X TV virtual temperature 3 X 3 X X X TV1H hourly average virtual temperature 2 X X TV15M virtual temperature - 15m 3 X X X X TV1HCHG 1 hour virtual temperature change 1 X DD wind direction 3 X X X X DD1H hourly average wind direction 1 X DD15M average wind direction - 15m 1 X DDM15M wind direction mean vector - 15m 1 X DDU15M mean unit vector wind dir - 15m 1 X DD24H daily average wind direction 1 X DDSD15M wind direction std dev - 15m 1 X FF wind speed 3 X X X X FF1H hourly average wind speed 2 X X FF15M wind speed - 15m 3 X X X X FF24H daily average wind speed 1 X FFSD15M wind speed std dev - 15m 3 X X X X U u wind component 3 X X X X U1H hourly average u wind component 2 X X U15M u mean unit vector wind comp - 15m 3 X X X X U24H daily average u wind component 1 X USD15M u wind component std dev - 15m 3 X X X X V v wind component 3 X X X X V1H hourly average v wind component 2 X X V15M v mean unit vector wind comp - 15m 3 X X X X V24H daily average v wind component 1 X VSD15M v wind component std dev - 15m 3 X X X X VIS visibility 1 X PCP5M accumulated precip - 5m 1 X PCP15M accumulated precip - 15m 1 X PCP1H accumulated precip - 1h 1 X PCP3H accumulated precip - 3h 1 X PCP6H accumulated precip - 6h 1 X PCP12H accumulated precip - 12h 1 X PCP18H accumulated precip - 18h 1 X PCP24H accumulated precip - 24h 1 X PCPLM accum. precip - since local midnight 1 X PCPUTCM accum. precip - since UTC midnight 1 X PCPCDAY accum. precip - local calendar day 1 X PCPUDAY accum. precip - user-defined day 1 X PCPRATE precipitation rate 1 X ARCHPCP 1h archived precip accumulation 1 X SOILMP soil moisture percent 1 X SOILM2 soil moisture percent - 2 inch 1 X SOILM4 soil moisture percent - 4 inch 1 X SOILM8 soil moisture percent - 8 inch 1 X SOILM20 soil moisture percent - 20 inch 1 X SOILM40 soil moisture percent - 40 inch 1 X SOILT soil temperature 2 X X SOILT2 soil temperature - 2 inch 2 X X SOILT4 soil temperature - 4 inch 2 X X SOILT8 soil temperature - 8 inch 2 X X SOILT20 soil temperature - 20 inch 2 X X SOILT40 soil temperature - 40 inch 2 X X DDGUST wind dir at gust 1 X FFGUST wind gust 2 X FF24MAX daily maximum wind speed 1 X T24MIN 24 hour minimum temperature 1 X T24MAX 24 hour maximum temperature 1 X DDMAX1H wind dir at hourly max wind speed 1 X FFMAX1H hourly maximum wind speed 2 X X SNOWC snow cover 1 X SNOW6H snow fall - 6h 1 X SNOW24H snow fall - 24h 1 X SST sea surface temperature 2 X 5 X RDTX Road temperature - sensor X (1-N) 2 X 10 * Internal Consistency Checks --------------------------- 1 sea level pressure vs. station pressure 2 3h pressure change vs. station pressure 3 air temperature vs. dewpoint temperature 5 sea surface temperature vs. air temperature Claurs only Internal Consistency Checks --------------------------- 10 Co-located instruments check Clarus only Temporal Consistency --------------------------- * ddddd Clarus only Spatial Consistency --------------------------- * dddd
Last updated 15 March 2017