Children play in front of a brick factory on the outskirts of the northern Myanmar city of Mandalay on December 14, 2015. (Photo by Phyo Hein Kyaw/AFP Photo)
Сool air offshore was very nearly at the saturation point, with a temperature near 20 degrees C and a dew point of about 19.5 degrees C. The air at this temperature can only hold a certain amount of water vapor, and how much it can hold depends heavily on the temperature.