Quality One station showed suspicious values in reports low occasionally in the last 5 days might be Several/all stations of one NMHS/country showed identified suspicious values in reports occasionally in the last medium concerning 5 days suspicious All data of one station showed suspicious values in high values in the reports over several days (in the last 5 days) reports, e.g. negative All data of several/all stations of one NMHS/country temperatures or very showed suspicious values in reports over several snow during high days (in the last 5 days) summer season, etc.) Priority levels for territorial radiosonde stations: The described issues shall be identified in in the majority of daily monitoring reports of the different WIGOS Monitoring Centres, not only in daily monitoring reports of one particular WIGOS Monitoring Centre. Level of Category Description priority Data availability One station showed data outages low (issues/incidents occasionally in the last 5 days might be Several/all stations of one NMHS/country identified in TAC showed data outages occasionally in the last medium and/or BUFR 5 days data) One station did not provide any data since 5 high days Several/all stations of one NMHS/country did very high not provide any data since 5 days Timeliness Data of the entire sounding of one station (Data of an entire seemed to arrive delayed (later than 100 low sounding should min) occasionally in the last 5 days be available to Data of the entire soundings of several/all users within 100 stations of one NMHS/country seemed to medium min. after arrive delayed (later than 100 min) nominal occasionally in the last 5 days observation time) All data of the entire sounding of one station seemed to arrive delayed (later than 100 high min) in the last 5 days All data of the entire soundings of several/all stations of one NMHS/country seemed to very high arrive delayed (later than 100 min) in the last 5 days Accuracy/ Daily averages of quantitative measures of measurement performance characteristics (based on uncertainty Observation minus Background (O-B) results low (Issues/incidents from NWP) of one station exceeded the might be target occasionally since 5 days ago
Quality might be identified concerning suspicious values in the reports, e.g. negative temperatures or snow during summer season, etc.) One station showed suspicious values in reports occasionally in the last 5 days low Several/all stations of one NMHS/country showed suspicious values in reports occasionally in the last 5 days medium All data of one station showed suspicious values in reports over several days (in the last 5 days) high All data of several/all stations of one NMHS/country showed suspicious values in reports over several days (in the last 5 days) very high Priority levels for territorial radiosonde stations: The described issues shall be identified in in the majority of daily monitoring reports of the different WIGOS Monitoring Centres, not only in daily monitoring reports of one particular WIGOS Monitoring Centre. Category Description Level of priority Data availability (issues/incidents might be identified in TAC and/or BUFR data) One station showed data outages occasionally in the last 5 days low Several/all stations of one NMHS/country showed data outages occasionally in the last 5 days medium One station did not provide any data since 5 days high Several/all stations of one NMHS/country did not provide any data since 5 days very high Timeliness (Data of an entire sounding should be available to users within 100 min. after nominal observation time) Data of the entire sounding of one station seemed to arrive delayed (later than 100 min) occasionally in the last 5 days low Data of the entire soundings of several/all stations of one NMHS/country seemed to arrive delayed (later than 100 min) occasionally in the last 5 days medium All data of the entire sounding of one station seemed to arrive delayed (later than 100 min) in the last 5 days high All data of the entire soundings of several/all stations of one NMHS/country seemed to arrive delayed (later than 100 min) in the last 5 days very high Accuracy/ measurement uncertainty (Issues/incidents might be Daily averages of quantitative measures of performance characteristics (based on Observation minus Background (O-B) results from NWP) of one station exceeded the target occasionally since 5 days ago low
WDQMS-RWC_en.docx