5.3 What control occurrence, intensity, type and life-time of the convective systems?. Central questions What control the occurrence of convection? What control convective type (intensity, lift time, dynamic structure)?. What control occurrence of convection?. Question:
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What control the occurrence of convection?
What control convective type (intensity, lift time, dynamic structure)?
Why is convection absent when CAPE and CIN conditions suggest the occurrence of convection?
What cause occurrence of convection when CIN is large?
Why does convection prefer to occur along the fronts?
Role of wind shear:
A key parameter that determines life time, intensity and type of convective system, Bulk Richardson number (BRN)
Where U is the magnitude of vector different between the mean wind of the surface to 6 km and of the surface to 500 m.