Moisture (water droplets) is saturating the air when the weather is humid.
Water
warm humid hard rain with humid and hot weather
Air coolers are not effective in humid conditions, so are not suitable for Kolkata. Air conditioners are what is needed.
Lightning can occur in any kind of weather, but most often occurs when cold and hot air collide, during hot and humid weather.
Humid air is more dense.
Water
The kind of air mass that causes hot,humid weather are the air masses that form over places near the equator ! (Hope you have fun)
No, gnats do not cold air at all. Gnats do not survive the cold weather. They like hot and humid weather.
warm humid hard rain with humid and hot weather
Decay happens at a faster rate in humid weather. Humidity is caused by excess moisture in the air. Water is notorious for decomposing organic materials faster.
Maritime air masses, which form over the sea, are generally very humid. Continental air masses, which form over land, are almost always dry.Maritime air masses often bring warm, humid weather accompanied by thunderstorms. Continental air masses hot, humid weather.(Continental polar brings cold, dry weather. Maritime Polar brings cool, wet weather.)So in other words, the sea air because the desert air is hot and air expands and becomes lighter as it goes up and spreads.
Air coolers are not effective in humid conditions, so are not suitable for Kolkata. Air conditioners are what is needed.
Lightning can occur in any kind of weather, but most often occurs when cold and hot air collide, during hot and humid weather.
Maritime (marine for humid) Polar (cold/cool)
Use air freshners.
It was very hot just like in ancient Egypt with a tip of humid air
humid weather is when moisture comes into the atmosphere