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We are currently experiencing an increased number of damaged tapes in the ECMWF library and are actively working on a fix to overcome these problems with temporarily unavailable data in MARS.

If you get the MARS error 'Requested data is on one or more damaged tape: tape_name' please use the form below to check for the relevant tape_name. Below you can also search a list of common ECMWF datasets affected by these tape problems. The search results will give you a good indication on the data currently not accessible, e.g. the line

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If the data you are interested in is listed in any of the search results we are already aware of the issue and working on the data recovery. There is no need to notify us about the problem. Please check here again later. For any other problem with MARS access, please visit the online documentation or feel free to contact us..

Feel free to

We apologise for any the inconvenience any temporary unavailability of data may cause you.

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<script src="https://sites.ecmwf.int/dhs/damaged-tapes/damaged-tapes.js?mjhk"></script>

<div style="border: 1px solid rgb(193,199,208); padding: 1.2em 1em 0.8em 1em; margin-top: 1em; margin-bottom: 1em; background-color: rgb(244,245,247);">
  <label for="dataset">Select>Either eitherselect a dataset to check:</label> <select id="dataset" name="dataset"><option>scanning for datasets...</option></select>
  <p></p>
  <form id="tapes">
    <label for="tape">Or specify a tape name as given in the MARS error message:</label> <input id="tape" name="tape" type="text" placeholder="e.g. J0036400" />
    <input type="submit" value="Show" />
  </form>
  <p></p>
</div>
<div id="results" style="white-space: pre-wrap;"></div>