It is a cold Artic air mass over Siberia. Air masses are altered because it doesn't stay in one place and changes as it moves due to the temperature of environment that can be caused by moisture. The cold Artic Mass from Siberia will go to the North Pole, Canada then moves further to the South area.
Some species are more likely to perish but, the most healthy frogs will most likely evolve and find something else to eat.
Since the sperm cells are haploid, the body cells are diploid. If the haploid cell is 4, double it would be 8.