storm_europe: wisc.climate.copernicus has moved

Author: emanuel-schmid

climada/hazard/storm_europe.py

@@ -58,10 +58,10 @@
 
 class StormEurope(Hazard):
     """A hazard set containing european winter storm events. Historic storm
-    events can be downloaded at http://wisc.climate.copernicus.eu/ and read
+    events can be downloaded at https://cds.climate.copernicus.eu/ and read
     with `from_footprints`. Weather forecasts can be automatically downloaded from
     https://opendata.dwd.de/ and read with from_icon_grib(). Weather forecast
-    from the COSMO-Consortium http://www.cosmo-model.org/ can be read with
+    from the COSMO-Consortium https://www.cosmo-model.org/ can be read with
     from_cosmoe_file().
 
     Attributes
@@ -613,7 +613,7 @@ def calc_ssi(self, method='dawkins', intensity=None, on_land=True,
         ssi = sum_i(area_cell_i * intensity_cell_i^3)
 
         'wisc_gust', according to the WISC Tier 1 definition found at
-        https://wisc.climate.copernicus.eu/wisc/#/help/products#tier1_section
+        https://confluence.ecmwf.int/display/CKB/Synthetic+Windstorm+Events+for+Europe+from+1986+to+2011%3A+Product+User+Guide
         ssi = sum(area_on_land) * mean(intensity)^3
 
         In both definitions, only raster cells that are above the threshold are