Thursday, February 12, 2009

National Weather Service Predicts Heavy Rain This Weekend

Pulled from the National Weather Service website, late Saturday and Sunday are of particular concern:

ON FRIDAY...The first storm will move into the area with rain tapering off Friday night. Forecast mdls have begun to trend up the precip amounts with this storm as the front is forecast to hold together fairly well as it moves across the area. Current rainfall forecasts call for a half inch to an inch across the coasts and valleys with 1 TO 2 INCHES IN THE MOUNTAINS. There is a little burst of south winds with the front and this could cause locally higher amounts over the Santa Ynez mtns and the western coastal slopes of Ventura County. Snow levels will be quite low between 4000 and 5000 feet.


SATURDAY will be a transition day with SCATTERED SHOWERS but little in the way of additional rain or snow.

A second and stronger storm is expected for LATE SATURDAY NIGHT AND SUNDAY. This storm has the potential to bring significant rain to the area, especially south of Pt. Conception. Early estimates call for 1 to 3 inches of rain coast and valleys and 2 TO 5 INCHES MOUNTAINS, WITH LOCALLY HIGHER AMOUNTS ON THE USUAL FAVORED SOUTH FACING SLOPES. Snow levels will range from 4000 to 5000 feet.

Beyond Sunday the models diverge quickly. Both show a chance of rain Monday and Tuesday but with not a great deal of rainfall. The gfs mdl continues to show another significant storm either Wed or Thursday...but the European mdl now is forecasting a dry high pressure system. Will have to take a wait and see attitude with this extended time period.

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