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Surface CAPE - -72 hr

Surface CAPE - -72 hr
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This is a contour plot of CAPE or Convective Available Potential Energy. CAPE represents the amount of energy a parcel might have if it were lifted. Often this reflects the strength of updrafts within a thunderstorm. CAPE values of greater than 2000 represent enough energy to produce thunderstorms. A value greater than 3000 represents enough energy to produce bold thunderstorms. Values <1000 denote a reletively stable atmosphere.