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the ground and had suffered little damage from being in the soil for so long.
McCarthy said the couple wisely .
moved back up along the Mississippi Valley toward the St. Lawrence Valley. The back trajectories were evaluated using the constant equivalent potential temperatures.
His best approximation formula is used when accuracy is needed:is the ratio of the specific gas constant to the specific heat of dry air at constant pressure (0. 2854),is mixing ratio of water vapor mass per mass [kg/kg] (sometimes value is given in [g/kg] and that should be divided by 1000). A little more theoretical formula is commonly used in literature like Holton (1972)  when theoretical explanation is important:This applies on the synoptic scale for characterisation of air masses. For instance, in a study of the North American Ice Storm of 1998, professors Gyakum (McGill Nike Huarache Free Run On Feet
In mesoscale, equivalent potential temperature is also a useful measure of the static stability of the unsaturated atmosphere. Under normal, stably stratified conditions, the potential temperature increases with height,. The couple had been walking their dog when they came across a rusty metal can sticking out of the ground and dug it out. Also unclear is who hid the gold pieces, which were minted between 1847 and 1894, in a variety of Nike Air Yeezy Prototype 19th century metal cans on land that eventually became part of the couple's yard. McCarthy said it was curious that the containers were discovered scattered across one section of the property at different depths, suggesting that they were not all put there at the same time. The $20 gold pieces appeared to have been new when they went into Nike Huarache Id Ideas
ee Clausius Clapeyron relation). If the parcel of air continues to rise, water vapor begins to condense into liquid droplets. The condensing water releases its latent heat to the surrounding air, partially offsetting the adiabatic cooling. A saturated parcel of air therefore cools less than a dry one would as it rises (its temperature changes with height at the moist adiabatic lapse rate, which is smaller than the dry adiabatic lapse rate). Saturated air can be unstable even though its potential temperature increases with height: if the warming due to condensation is enough that a parcel of saturated air which is displaced upward (and would otherwise cool to below the ambient temperature) ends up warmer (lighter) than the surrounding air, it will continue to rise. This is the reason for defining the equivalent potential temperature, in analogy with the potential temperature: potential temperature is a temperature adjusted for potential warming due to adiabatic compression; equivalent potential temperature factors in potential warming due to condensation as well. Bolton (1980)  gives review of such procedures with estimates of error.