May form on lee side of Mt Etna and then carried by steering flow from south over Catania. May reduce visibility to 0.5 mi in rain. May form because of lifting caused by heat release from the volcano. Anchorage positions may experience hail and wind with gusts to 50 kt. Waterspouts are an associated phenomena.
Snow is uncommon.
Fog is not a problem. Wintertime visibilities are generally good. Possible hail and waterspouts. Frequency diminishes throughout the season. Strong sea breezes will cause boating to be cancelled at the anchorage since 27 kt is the cutoff for small boats to enter the inner harbor.