Sentences with phrase «california precipitation extremes»

A programming note: my colleagues and I have just completed a new study on changing California precipitation extremes, and the associated paper will be released in late April.

Not exact matches

Daniel Swain and colleagues model how the frequency of these rapid, year - to - year transitions from extreme dry to wet conditions — which they dub «precipitation whiplash events» — may change in California's future as a consequence of man - made warming.

Even though the cold in the U.S. has not been unprecedented, the public perception is «extreme» because the cold in the central / eastern / southeastern U.S., drought in California, and the heat / heavy precipitation in Alaska has been so prolonged.

Without El Niño and La Niña feeding into the climate model, the frequency of extreme precipitation in California stayed constant for the simulation's century and a half.

This post was originally published on this site Today the journal Nature Climate Change published results of a groundbreaking paper that explores the changing character of precipitation extremes in California.

«Even though California historically has periods of dry and wet years, there isn't an analog for climate extremes like the ones we've observed in recent years, such as those record - breaking prolonged periods of drought following by periods of intense precipitation pulses that cause flooding,» Woodburn said.

It turns out that the big story about precipitation in California has to do with extremes.

Swain and a team of three other researchers from Stanford, Northwestern and Columbia universities looked at data between 1949 and 2015 to see if there were any trends in the kinds of atmospheric patterns that historically resulted in meteorological extremes in California in terms of both temperature and precipitation.

Investigates northeastern Pacific atmospheric circulation patterns that have historically (1949 — 2015) been associated with cool - season (October - May) precipitation and temperature extremes in California

Given the known influence of temperature on drought, the fact that the 2012 — 2014 record drought severity has co-occurred with record statewide warmth (7) raises the question of whether long - term warming has altered the probability that precipitation deficits yield extreme drought in California.

Given that the ongoing California drought encompasses the most extreme 12 - mo precipitation deficit on record (8) and that both temperature and many drought indicators reached their most extreme historical values for California in July 2014 (7)(Fig. 1 and Figs.

Trends in atmospheric patterns conducive to seasonal precipitation and temperature extremes in California

The increasingly extreme behavior of precipitation in California — which could very well occur without much of a change in California's overall average precipitation — may increase the risk of both drought and flood events in the state.

A large ensemble of climate model simulations suggests that the frequency of extreme wet - to - dry precipitation events will increase by 25 % to 100 % across California due to anthropogenic forcing.

The hope in California is that the large amounts of precipitation usually associated with extreme El Niño events would lessen the impacts of the state's multi-year drought by partly refilling reservoirs and groundwater, even as scientists caution that this might not happen to the degree needed to alter the present situation.