A deadly polar low – how to forecast it

71 years ago 5 seal hunting vessels with 79 men on board disappeared in the Western Ice, without a trase to be found.
From an article published by “Ishavsmuseet” in Brandal, where many of the missing came from:
(In Norwegian, but translate reasonably well by Google Translator)

This was caused by an intense Polar low, which was hard to forecast in those days: