Since last week, we’ve been watching the weather forecast with something that’s almost joy, but won’t quite let itself be. Often, the weekly report has a beaded string of sunshines, with different ways to describe them. Abundant sunshine. Plenty of sun. Hot. Sometimes, there are clouds. But even when the slot machine lineup of my weather app has a series of rainy days, I’ve learned to wait until I see the silver falling. Ever optimistic, the forecast will show those lucky rainstorms even when the chance of rain is as low as 10 percent.
But now, we’re deep in the river. An atmospheric river carries moist air—a strong one channels as much as 15 times the flow at the mouth of the mighty Mississippi. This influx of water vapor can result in a series of storms that can last for days, or even weeks. (There’s a cool graphic of how they work here.) Over the weekend, forecasters were predicting that this was going to be the most powerful series of storms in a decade. Snow, rain, flooding—some forecasts predicted the Santa Cruz Mountains alone could get 10 inches of rain. Continue reading





