TeachMeFinance.com - explain Instability
Instability The term 'Instability' as it applies to the area of the weather can be defined as ' (abbrev. INSTBY)- The tendency for air parcels to accelerate when they are displaced from their original position; especially, the tendency to accelerate upward after being lifted. Instability is a prerequisite for severe weather - the greater the instability, the greater the potential for severe thunderstorms'.
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