You seem to be using an older version of the Leuven meteoalarm warning script
<!-- module wrnWarningv3.php = version: 3.0c 2014-08-24 -->
<!-- warnings and other info goes here -->
<!--
Severe weatherdata (./EUwarning/cache/warningES001) cache times:
cache time = 2019-03-09T21:22:15+01:00 from unix time 1552162935
current time = 2019-03-09T21:25:34+01:00 from unix time 1552163134
difference = 199 (seconds)
diff allowed = 900 (seconds) -->
<!-- Severe weatherdata (./EUwarning/cache/warningES001) loaded from cache -->
<!-- no warnings in order -->
Maybe that is the problem??