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1/6/2025
WT Staff
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January 6, 2025 947 am PST
NWS: Dense fog advisories for Central Valley and San Francisco
Hazardous Weather Outlook issued by NWS Hanford-San Joaquin 302 am PST Mon Jan 6
DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...
Visibility one quarter mile or less in dense fog. Low visibility could make driving conditions hazardous.
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
Impacting Caruthers - San Joaquin - Selma-Hanford - Corcoran - Lemoore-
Visalia - Porterville - Reedley-
Including the cities of Lemoore, Sanger, Goshen, Porterville,
Kerman, Selma, Tulare, Hanford, Parlier, Kingsburg, Visalia, and
Corcoran
Urgent Weather Message issued by NWS San Francisco 717 am PST Mon Jan 6
DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...
Visibility one quarter mile or less in dense fog. Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
Impacting San Francisco-San Francisco Peninsula Coast
Streamflow Situation from the network of USGS river flow gauges in California
Streamflows continue much above seasonal normal in the North Coast Region 1 watershed Monday, water levels running above the 90th percentile. Water levels begin to taper off moving south along the coast and the interior. The most common streamflow rating in San Francisco watershed is above seasonal normal rating, 76th to 89th percentile. Streamflows are normal from central coast region 3 down to San Diego watershed. Interior Lahontan and Colorado River watersheds remain in drought mode. Extreme drought persists in southeast Inyo County. The remainder of the lower Lahontan watershed is rated below normal, including the majority of Inyo County and north half of San Bernardino County. Colorado River watershed remains below normal from the south half of San Bernardino, Riverside and Imperial Counties.
Mist, 41 degrees with a high 55 degrees in the Central Valley watershed Region 5. San Francisco has a current temp 50 degrees, the high Monday expected around 60. A beach hazards statement remains in effect until Tuesday afternoon. NWS "A long period NW swell will result in an increased risk of sneaker waves and rip currents. Breaking waves will be up to 20 feet in favored locations, including Pacific Ocean coastlines of the San Francisco Bay Area, Monterey Bay, and Big Sur until 4 pm Tuesday. Sixty-four in Los Angeles, high 75 in the sun Monday with a fire and high wind watch coming into effect tomorrow. The No-Burn rule still applies as the air quality alert is ongoing. Check for more information on the No Burn rule, here.
San Diego is sunny and 64 degrees, expecting a high near 68.
Safe Drinking Water Act
Data from the California Department of Water Resources shows stored water levels above historic average, the individual reservoir stats vary. From previous reports,
- New Bullard Bar - New Bullard Bar Dam impounds the Yuba River for form the largest reservoir in Yuba County. Currently, storage is at 77% of capacity, the water level 23% higher than historic average. Elevation 2000 ft, located in the Tahoe National Forest, this reservoir provides flood control, irrigation and power generation in Central Valley watershed Region 5.
- Folsom Lake - formed by the impoundment of the American River by Folsom Dam, in the foothills of the Sierra Nevada range, 25 miles from Sacramento, purposed for drinking water supply, irrigation, industry and hydropower; the reservoir is 37% full, at 89% of the historic average level
- Lake Shasta Reservoir- impounding the Sacramento River in Shasta County for flood control, power generation and irrigation, currently filled to 77% capacity, 30% above the historic average
- Oroville Reservoir - the highest dam in the USA, 235 ft earthen dam impounding the Feather River in Butte County, serves as drinking water supply, power generation and flood control. The second largest reservoir in California, currently stocked to 68% of capacity, 26 % above historic average volume.
See how drinking water facility compliance compares in Ohio, New York, Georgia, Louisiana and California, here.
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