From the California Weather Blog:
“Unusually dry and warm conditions have returned to California over the past week. In the wake of the atmospheric river event two weeks ago, high pressure built back over the far eastern Pacific and has acted to deflect most storm activity to the north of California, which is a pattern very reminiscent of the one that has been seemingly locked in place for many months over the same general geographic region. What differentiates the present atmospheric ridging from the much-maligned “Ridiculously Resilient Ridge,” however, its is lack of persistence. The fairly high-amplitude ridge currently in place will be undercut by an impending surge in strong westerly winds over the coming week, which is something that hasn’t happened to any meaningful extent in over a year. … “
Continue reading at the California Weather Blog here: Strong storm headed for California this week; compelling signs of developing El Nino, but will the RRR return in the meantime?