
: skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Monday , May 30, 2011 Thunderstorms on the Eastern Slopes of the Cascades With southeasterly flow aloft and modestly unstable air over eastern Washington , thunderstorms are breaking out on the eastern slopes of the Cascades right now 2 PM on Monday This convection occurs as the lifting caused by the eastern Cascade slopes releases the convection . On days like today , the atmosphere is in a state where thunderstorms only break out where air is lifted sufficiently so that the air becomes warmer than its environment and thus buoyant the level of free convection Condensation of water vapor and the release of latent heat is an important part of this