Severnaya Zemlya Firnley Islands. Severnaya Zemlya is consistently cold and quite dry, with a mean annual temperature of , mean annual precipitation of about , and generally overcast skies. Monthly average temperature ranges from in February to in July. The archipelago sees large temperature fluctuations during winter months, as low-pressure cyclonic activity originating in the North Atlantic make their way across the Arctic, bringing precipitation and higher temperatures. These cyclones are most common in September and October, which see 30% of annual precipitation. Snowfall in summer is common as temperatures hover around , although higher temperatures occur when warm air masses move
Sukhoy Nos the former USSR, being the third detonating site of three on the Novaya Zemlya archipelago (designated "Zone C"), as well as the northernmost site. It was used between 1958 and 1961 and was the 1961 explosion site of the RDS-220 hydrogen bomb, also known as Tsar Bomba. Sukhoy Nos Sukhoy Nos, also Sukhoi Nos () is a cape on Severny, the northern island of the archipelago Novaya Zemlya, belonging to Arkhangelsk Oblast of the Russian Federation, projecting into the Barents Sea. The site lies near the southwestern corner of the island, very close to the Matochkin Strait, which separates Severny