When forecasting for storms, Meteorologists use multiple models, parameters and indices to predict how severe the weather can be. One of the most important ones is called C.A.P.E. And no, we are not talking about the ones that superheroes wear.
On this edition of Weather IQ, meteorologist Chris Mulcahy explains how meteorologists use CAPE to forecast thunderstorms and predict which storms are capable of producing severe weather, like hail, damaging winds and tornadoes.
C.A.P.E. is an acronym for Convective Available Potential Energy. We simplify this by calling it "Thunderstorm Fuel". This index measures how unstable the atmosphere is. The more instability there is, the better chance we have for storms.
Two main things drive an unstable atmosphere: Heat and humidity. The warm it is and the more moisture is in the air, the faster that air can rise and lead to severe thunderstorms. #WX #NCwx #SCWX
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