stern, grave, forbidding; dignified, stately / strict, unforgiving / tight, close, without gaps / harsh, tough, extreme, severe, hard to withstand (said of natural phenomena)

(rare, archaic) wondrous, miraculous, splendid, sublime / (rare, archaic) dignified, solemn, stern, noble, refined / (rare, archaic) beautiful, pretty

the way in which something is tightly packed or close together without gaps

(meteorology) climate

extraordinary, unusual

emergency

very; extremely / exceedingly; tremendously

Short for 北極圏. north polar region, north pole; the Arctic

(geography) North Pole, the Arctic

climate change