Figure 1. Vertical cross section of temperature (  = 2 o C) in the vicinity of a front. The horizontal distance between each tick mark is 44 kilometers. ++

Figure 2. Vertical cross section of potential temperature (  = 2 K) in the vicinity of a front. The horizontal distance between each tick mark is 44 kilometers. ++

Figure 3. Vertical cross section of geopotential height (  = 100 m) in the vicinity of a front. The horizontal distance between each tick mark is 44 kilometers. ++

Figure 4. Vertical cross section of pressure (  = 25 hPa) in the vicinity of a front. The horizontal distance between each tick mark is 44 kilometers. ++

Figure 1. Vertical cross section of temperature (  = 2 o C) in the vicinity of a front. The horizontal distance between each tick mark is 44 kilometers. ++ +=0

Figure 1. Vertical cross section of temperature (  = 2 o C) in the vicinity of a front. The horizontal distance between each tick mark is 44 kilometers. ++ Heating 1 o C every four hours No heating

Figure 1. Vertical cross section of temperature (  = 2 o C) in the vicinity of a front. The horizontal distance between each tick mark is 44 kilometers. ++ LHR  rising motion sinking motion

Figure 1. Vertical cross section of temperature (  = 2 o C) in the vicinity of a front. The horizontal distance between each tick mark is 44 kilometers. ++ sinking motion surface divergence below the sinking air parcel at 1000 m elevation is 1x10 -5 s -1

Figure 2. Vertical cross section of potential temperature (  = 2 K) in the vicinity of a front. The horizontal distance between each tick mark is 44 kilometers

Figure 3. Vertical cross section of geopotential height (  = 100 m) in the vicinity of a front. The horizontal distance between each tick mark is 44 kilometers. +  /  z = [( ) K]/[( ) m] = 5.56 x K m