That, also, contributes to the excessive rainfall and flooding as most if not all the rain will fall in one general area.Ĭopyright 2020 KWQC. Since these storms literally form inside what are usually stagnant air masses, they move very little. With no more updraft the cloud will eventually evaporate and disappear. It rains itself out! Many times, on a very hot and humid day, the rain can be so heavy that it causes flash flooding. That heavier cool air starts to crush and cut off the warm updraft which leaves the cloud no longer able to grow. Extremely high rainfall rates (higher when there is more heat and humidity) bring down cool air from the sky. When the cloud can grow no more, it starts to rain. The cumulus cloud continues to grow taller as more humid air is pushed up into it from the rising updraft. Red hot Peru Two mule Michaella McCollum displays her pert derriere in a VERY skimpy bikini as she soaks up the sun on yet another holiday in Mallorca The 24-year-old displayed her toned. At a certain point of altitude, the moisture cools enough to condense, forming a cumulus cloud. The first step is when all that hot air rises into the sky as a moisture laden updraft. The more heat and humidity, the stronger and wetter the storm! Here’s how it works. And, heavy rain! This is because of what are known as “Air-Mass” thunderstorms, or “pop-up” storms! The air mass in question is the hot and humid air mass that contains plenty of heat that provides the energy to form the storms quickly, and plenty of humidity that can lead to copious amounts of torrential rain and limit visibility. DAVENPORT, Iowa (KWQC) - Well, we’ve had our share of heat and humidity, lately.
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