Warmer temperature than the average had persisted in this area since February 12, according to the observation by the Group for Comprehensive Exploration of Lake Chon on Mt. Paektu and the Paektusan Secret Camp Meteorological Observatory.

At the dawn of February 16 the sky over the mountain was very bright and clear. Strong wind of over 25 meters per second blew there and the sound of ice breaking shook Lake Chon.

At the break of the dawn the weather became windless again and the impressive sunrise over Mt. Paektu started.

The bright sun rose up, throwing its brilliant rays and the area of the Paektusan Secret Camp turned into a fascinating picturesque of spring.

Then rarely big and bright halo persisted in the sky above Jong Il Peak for an hour, starting at 09:30.