Tuesday, 20 November, 2018

Flash flood watch, high wind warning issued by National Weather Service

A 1997 flood on the San Joaquin River. That year 300 square miles flooded across the state A 1997 flood on the San Joaquin River. That year 300 square miles flooded across the state
Melinda Barton | 18 February, 2017, 00:12

A storm in the San Francisco Bay Area has delayed dozens of flights at San Francisco International Airport.

The last time downtown Los Angeles received more than 3 inches of rain was December 28, 2004, when about 5 and a half inches fell, according to a tweet from the Weather Service.

The foothill city of Duarte east of Los Angeles has ordered a precautionary evacuation of some homes, and the Santa Anita race track has canceled horse racing for the day.

Fortunately, the heaviest precipitation from this particular storm is not hitting Lake Oroville in north-central California, where almost 200,000 people were ordered to evacuate earlier on Sunday due to fears that a part of Oroville Dam's infrastructure - the nation's tallest - could fail. "So much rain, I get busy". Estimates are that the region will receive 2-6 inches of rain in coastal and valley areas and between 5 and 10 inches in the San Gabriel mountains and foothills, they said.

There will also be risky, locally damaging surf at the beaches from Thursday through Sunday, particularly for west-facing beaches Rip currents, beach erosion and minor coastal flooding are also expected. Up the coast, evacuations were urged for parts of Camarillo Springs in Ventura County and around an 11½-square-mile burn scar west of Santa Barbara.

The controlled auxiliary spillway on Don Pedro Dam
The controlled auxiliary spillway on Don Pedro Dam

Adding to the deluge of elements are high winds, which could other problems, according to Curt Kaplan, National Weather Service meteorologist.

Pasadena canceled Saturday's annual Black History Month parade, citing public safety concerns, including possible lightning strikes.

Parts of the state have seen record rainfall within what's known as a "water year", a period of time that includes both a wet and dry season between October 1 through September 30.

The Sacramento weather office said models were trending stronger for a system arriving Sunday night and Monday in the northern part of the state due to a tap of deep moisture over the Eastern Pacific that could bring 24 to 30 hours of moderate to heavy precipitation. Runoff from the snowpack normally supplies about a third of the state's water.

In just one week, the percentage of California considered to be in a drought dropped by 22 percent, according to the U.S. Drought Monitor, a weekly report issued by the National Oceanic and Atmospheric Administration, the U.S. Department of Agriculture and the University of Nebraska. The latter category was confined to a sliver of territory northwest of Los Angeles.