Call it an atmospheric river, a Pineapple Express or just weather , but some parts of California and the U.S. Northwest are being slammed by up to foot of rain before the storm runs out of moisture Wednesday, forecasters say. The wet weather represents an about-face after a relatively dry January that helped fuel fires that destroyed thousands of homes in Southern California. This storm will be centered in northern and central California, where some areas will get a month or more of rain in a couple days before the system moves on. “A prolonged atmospheric river event will…..