code: def refresh(self, force=False):
          
          if force is True:
              self._feed.refresh()
          self._alerts = CapParser(self._feed.raw_cap(), geo=self.geo).get_alerts()
docs: Refresh the alerts list. set `force` to True to force pulling a new list from the NWS, otherwise
          it'll only pull a new list if the cached copy is expired. (see cachetime)