est level is last).
The <code>conf_levels</code> are specific for each method:</p><ul><li><p>for <code>intensity_levels</code> only specify the highest confidence level e.g.: <code>0.95</code>, which is the highest intensity
that has been observed in previous seasons.</p></li>
<li><p>for <code>peak_levels</code> specify three confidence levels e.g.: <code>c(0.4, 0.9, 0.975)</code>, which are the three confidence
levels low, medium and high that reflect the peak severity relative to those observed in previou