From Daniel Swain at the California Weather Blog:
Once again, a persistent region of high pressure (The Ridiculously Resilient Ridge, Redux) has prevailed across the northeastern Pacific Ocean.This anomalous ridge shifted the jet stream and associated storm track well to the north of California, bringing well above-normal temperatures and well below-normal precipitation. Meanwhile, a persistent Arctic airmass brought cold and snow across much of eastern North America on the other side of the conspicuous “North American Winter Dipole” pattern. Sound familiar?
However, a major change is on the way … Click here to continue reading at the California Weather blog: April showers to bring welcome moisture in the midst of California’s record-setting, multi-year drought