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A healthy observing system is vital for NWP. Observations are allowed to be used once their quality and impact are judged satisfactory. However the observing system is continuously evolving and it is important to monitor the quality and availability events. An  automatic warning system  is operated by ECMWF to flag data events that can potentially impact the quality of the analysis. Once flagged, events are investigated by scientists to evaluate the root cause and the potential impact. Actions are triggered when necessary. This interface provides a high level view of the status of the various of the observing system used at ECMWF. It uses a traffic light system to indicate the absence or presence of warnings. Additional details about each warning is available when selecting the data type in question. The interface is accessing the events automatically from ECMWF's observation events database. The last 24 hours status is shown by default but users can adjust the period if needed.

Info


Expand
titleEvent Status Codes

For each flagged anomaly, the automatic checking system assigns a severity level depending on how far statistics are from the expected values. When an anomaly persists over many data assimilation cycles the severity level is adjusted to highlight persistence.

The severity level categories:

SymbolDescription
⛔⛔⛔

Persistent anomaly in the severe category

⛔Severe anomaly
✋✋✋Considerable persistent anomaly
✋Considerable anomaly
ℹ
Slight anomaly

✅

No anomalies detected



Expand
titleRelated Content


Related links


HTML
<a href="" target="_blank" onclick="window.open('http://www.ecmwf.int/en/forecasts/charts/monitoring/dcover','Pop-up Window','resizable=1,width=2000,height=1600,top=5,left=5');return false;">Latest ECMWF Coverage Charts</a>





Run with a user form and parameters
autoRuntrue
dateFormatyyy-MM-dd
headingObservation Events Search
inputSize10
anchorSatelliteAndStations
hideColumnHeadingstrue
replacedate:$current_time:?Cut off date (YYYY-MM-DD):text-required::true:..........:Date format error:YYYY-MM-DD format required without any spaces,cycle:00:?Cut off hour(hh):integer:0:23,period:-24:Period prior to cut off date (hours):integer:-999999:0,stream:LWDA:Stream:select:2:LWDA::DA:,s2:'00,06,12,18':Cycles Included (UTC):select-multi::00:00 UTC:06:06 UTC:12:12 UTC:18:18 UTC,o1::A new request will take approx 10 seconds:output
focus$date
titleRunShow Events
SatelliteAndStations

Showing events up to $date $cycle UTC for $stream stream.

Period searched over is $period hours prior to this time.

Satellites and Conventional Stations

30 * * * *true1hRefresh to fetch status for last 24hfalseINLINE


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