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About This Product

The Theta-E map displays the equivalent potential temperature at each Mesonet station in degrees Kelvin. Theta-E is a quantity that indicates the stability of the atmosphere, or the available energy in the atmosphere. In general, larger Theta-E values represent greater potential instability. Theta-E is the temperature the air would have if (1) all of the moisture were condensed out and (2) it was lowered to sea level.