The California Department of Water Resources released a report on CA droughts on Monday. The Sac Bee has the story:
The study largely dovetails with previous estimates that the latest drought, which was declared over last spring by Gov. Jerry Brown, was historically significant. It also suggests that while lengthy dry spells in California are nothing new, two other prolonged droughts also stand out: one starting in 1452 and the other in 1775.
“Periods of widespread drought are evident throughout the past six centuries, but most events are limited to three or four years,” the report said. The tree-ring evidence indicates the latest drought was the “worst five-year drought in the past six centuries, as measured by the percent of average precipitation or streamflow.”
As we have pointed out in the graphics below, California has a history of droughts, which the DWR report supports. If the state has a history of droughts going back to 1400, and beyond. Why does Governor Brown continue to blame our current droughts on anthropogenic global warming?
I think the DWR report missed a few droughts in number and length.
Full Sac Bee Article is HERE.
From the California Weather Blog
The Sierra Nevada will be the biggest beneficiary–and may see 1-2+ feet of new snowfall from this storm (which means that the highest peaks could see as much as 3+ feet of pretty dry powder, derived from 1-3 inches of liquid equivalent, by the time all is said and done). There is still some inter-model disagreement between the GFS and ECMWF regarding how much rain makes it to SoCal with this second storm. Earlier solutions suggested the potential for a major rain event, but that now appears rather unlikely. Instead, I would expect to see some light-to-moderate accumulations over most of SoCal, but with some significant boom/bust potential. Why? This is not anticipated to be a particularly strong or moist system from a dynamical perspective; its greatest asset will be the very cold air aloft associated with it. Storms such as these sometimes “fizzle” south of Point Conception, and it’s possible that happens this week. Still, this will likely be the most significant precipitation event across most of the state over the past 6-7 weeks.
Joe Bastardi at Weather Bell is predicting this storm will be like March of 1962 on the East Coast. In Nevada City, in March 1962 the snowfall total was 6.5 inches.
The Local TV is over hyping this storm. As a Caltrans Transportation Engineer once said, “Local TV forecasters are known for their ability to turn a few random snowflakes into a raging blizzard, and the next time forecast a few raindrops when it is a real blizzard.”