Body Mass Index (BMI). BMI stands for Body Mass Index. It is a measure of body composition. BMI is calculated by taking a person's weight and dividing by their height squared. For instance, if your height is 1.82 meters, the divisor of the calculation will be (1.82 * 1.82) = 3.3124.
Dissipating Stage: When the downdrafts encompass the storm, the updrafts are shut off and the storm begins to die. The intensity of the rain decreases. Prior to the development of a thunderstorm, the air near the surface is often warm and moist. With the downdrafts come cool air and the temperature at the surface drops.
In order for thunderstorms to form, there needs to be: 1  Moisture-to form clouds and rain. 2  Unstable air-warm air that can rise rapidly. 3  Lift-cold or warm fronts, sea breezes, mountains or the sun's heat are capable of lifting air to help form thunderstorms.