Ken Clark

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Storms Return Next Week

April 06, 2012; 12:42 PM

A closed low is out in the east-central Pacific at about 40N, 142W. This low will not move a lot over the next three days. It does wobble closer to the coast but only enough maybe to bring a little rain to the northwest California and western Oregon coastal areas Sunday and Monday.

But the models all agree that eventually the low will be ejected to the east Tuesday and Wednesday and will move inland across California Tuesday night and Wednesday morning. In fact, what is so scary about this long-range forecast is how much the models agree. This has not been the case over the last couple of months, but this uncharacteristic agreement lends itself to a higher degree of confidence than is normal. Here is what the GFS has for the 500 mb pattern next Wednesday morning.

Notice on the above map another closed low farther out in the Pacific. That feature both the GFS and European brings toward California later Thursday through Friday. Here is the GFS for midday Friday.

This is being portrayed as a strong, wetter and colder storm than the first and could have a major impact on a large area the later portions of next week.

Usually by this time of year, the rainy season is starting to let up in California. However, this year, it seems, the last few weeks through next week look more like the start of the rainy season.

The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or


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Ken Clark
Ken Clark's Western U.S. weather blog tackles daily weather events with commentary from one of the most experienced and trusted Western U.S. weather experts.