Tag Archive for: Sierra Nevada snowpack

Opinion: California is Failing to Prepare for Droughts

Climate change isn’t a problem for the future. It’s here, and California isn’t remotely prepared to deal with the consequences.

The state’s latest snowpack report makes that clear. The Sierra Nevada snowpack provides nearly one-third of California’s water supply. On Tuesday it was at 63% of its historical average for that date. That’s despite the heavy storms in October and December. The months of January and February were the driest in the state’s recorded history, meaning Californians are facing a third consecutive year of severe drought.

California drought-snowpack survey-DWR-snow survey

California Drought Now in Third Year

California officials have urged residents to prepare for a third year of drought and urged people to conserve water.

“With only one month left in California’s wet season and no major storms in the forecast, Californians should plan for a third year of drought conditions,” said California Department of Water Resources Director Karla Nemeth. “A significantly below-average snowpack combined with already low reservoir levels make it critical that all Californians step up and conserve water every day to help the state meet the challenges of severe drought.”

The DWR conducted the third snow survey of the season March 1 at Phillips Station.

Following a January and February that will enter records as the driest documented in state history, the manual survey recorded 35 inches of snow depth and a snow water equivalent of 16 inches, which is 68% of average for this location for March, according to the DWR. The snow water equivalent measures the amount of water contained in the snowpack and is a key component of DWR’s water supply forecast. Statewide, the snowpack is 63% of average for this date.

Water conservation “a way of life” in San Diego County

“As we enter a third year of drought, we encourage residents and businesses in San Diego County to increase their water conservation efforts,” said Jeff Stephenson, water resources manager with the San Diego County Water Authority. “While the Water Authority and its 24 member agencies have worked to create multiple sources of water supply for the region, there are still opportunities, including rebates, to save more water.”

In San Diego County, the website, watersmartsd.org, provides sources of residential and business rebates, including indoor and outdoor incentives, agricultural programs, and free landscape makeover classes.

Stephenson added that the region has reduced its reliance on imported water supplies, including from the Sacramento-San Joaquin Bay Delta, which means more of that source is available for other parts of California.

Governor Gavin Newsom has asked all Californians to cut back water use at least 15% compared to 2020 levels. Regionally, the Northern, Central, and Southern Sierra snowpacks are all standing just above 59% to 66% of average for this date, impacting watersheds across the state, according to the DWR.

“As the world continues to warm, precipitation is pushing toward extremes,” said Jeremy Hill, Manager of DWR’s Hydrology and Flood Operations Branch. “Even when we see large storms producing a lot of snow early in the season, all it takes is a few dry weeks to put us below average. This new pattern challenges forecasting efforts that have relied on historical patterns, so DWR has led the charge to adopt new technologies and utilize the best available science to manage water in real time and use forecasts that give us time to make decisions to get the most benefits and minimize the hazards.”

California Drought

Dry year-drought-DWR-snow survey-California drought

An extremely dry January and February have wiped out an early season surplus and brought the February snowpack below average. With no storm relief in sight, Californians should prepare for drought conditions to continue, the DWR tweeted March 1. Graphic: California Department of Water Resources

Dry times in the Golden State

Although early season storms helped alleviate some drought impacts, a lack of storms in January and February heightens the need for conservation. The Governor has asked all Californians to cut back water use at least 15 percent compared to 2020 levels. Regionally, the Northern, Central, and Southern Sierra snowpacks are all standing just above 59 percent to 66 percent of average for this date, impacting watersheds across the state.

“With below average precipitation and snowpack up until this point, our latest statewide snowmelt forecasts are only 66 percent of average,” said Sean de Guzman, Manager of DWR’s Snow Surveys and Water Supply Forecasting Unit. “That is not enough to fill up our reservoirs. Without any significant storms on the horizon, it’s safe to say we’ll end this year dry and extend this drought a third year.”

Slo County Had Driest January and February in More Than 150 Years — Is This the ‘New Normal’?

After reviewing 153 years of rainfall records from Cal Poly’s Irrigation Training & Research Center, there has never been a back-to-back dry January followed by a parched February in San Luis Obispo County. Over the many decades of rain data, if you saw a primarily dry January, it would be followed by a wet February and vice versa during the peak of our rainy season (July 1 through June 30).

Read more at: https://www.sanluisobispo.com/news/weather/weather-watch/article258890608.html#storylink=cpy

La Niña Forecast: NOAA Gives Update Amid Dry California Winter

La Niña is expected to stick around for at least a little while longer, with the transition back to neutral conditions most likely not taking place until at least later in spring.

That’s according to the latest forecast from the National Oceanic and Atmospheric Administration’s Climate Prediction Center forecast, which was released late last week.

NOAA says there’s an approximately 77% chance that La Niña conditions will linger between March and May. Forecasters also favor the transition back to neutral occurring from June to August, giving that a 57% chance.

California Drought: Sierra Nevada Snowpack Falls Below Average After Dry January

Like the 49ers fourth-quarter lead in Sunday’s NFC Championship game, California’s once-impressive Sierra Nevada snowpack is steadily shrinking.

Only a month ago on New Year’s Day, after big atmospheric river storms in October and December, the statewide Sierra snowpack stood at an impressive 168% of normal for that date, boosting hopes that the state’s severe drought might be ending.

But on Monday, the magnificent became mediocre: The snowpack had fallen to just 93% of its historical average.

Continued Drought Early in a Possibly Wet Year

California’s 2021 calendar year is over, but its 2022 Water Year (which started October 2021) is already three months old and still early in its wet season.  So far this wet season is actually wet.

It is a good time to assess the condition of the present drought and whether it is likely to end with this wet season.  And under such conditions, what are water management activities and policy initiatives we should be doing?

Opinion: Despite Heavy Snow, We Must Seek a New Water Path

California is facing an indisputable fact: We need, in a big way, to get busy finding water alternatives to the long-indispensable Sierra Nevada snowpack.

Yes, we’ve been blessed by recent exceptional snowfall, perhaps a snowy feast after an extended water famine. But year to year, California’s frozen reservoir—the mountain snow whose melt feeds farming and quenches the thirst of Californians—is dwindling and increasingly unreliable as the climate changes.

Plentiful Early-Season Sierra Snowpack Signals ‘Remarkable Turnaround’ Amid Historic Drought

A series of record-setting blizzards in recent weeks that buried roads, snarled holiday traffic and even temporarily shut down ski resorts have combined to offer California a glimpse of hope after two years of historic and punishing drought.

Snowpack across the Sierra Nevada appears far ahead of historical averages — an unexpected respite from years of bone-dry forecasts, leaving climatologists cautiously optimistic about drought conditions improving across the state.

California Snowpack Jumps to Nearly 160% of Average, Nourishing Hopes for Drought Recovery

After a year of historic drought and wildfire, California will go into 2022 cold and wet, with more snow on the ground than it has had at year’s end in a decade.

State water officials, who plan to conduct the first snow survey of the winter on Thursday, are expected to find the snowpack across California’s mountains measuring close to 160% of average for the date.

The Nearly 17 Feet of Snow in California’s Sierra Nevada is Crushing Records. It’s Still Not Enough

After months of extreme drought that triggered water shortages and stoked wildfires, heavy snow is falling in the Sierra Nevada — enough to break decades-old records.

As of Tuesday, more than 202 inches of snow — nearly 17 feet (5.2 meters) — had fallen so far this month at the University of California, Berkeley’s Central Sierra Snow Laboratory, at Donner Pass east of Sacramento.