Evidence
mounts that the much anticipated El Nino is still coming but won't be
as strong as was anticipated a few months ago. It appears that the
ever warming oceans which will bring much more severe weather but
will rob the West Coast of the U.S. of the precipitation that they
desperately desire.
California
Experiencing Most Severe Drought Ever Recorded
Thom
Hartmann
1
August, 2014
One
of the worst North American droughts in history could be getting a
whole lot worse. According to the latest
U.S. Drought Monitor Map
released on Tuesday, more than 58 percent of California is in an
“exceptional drought” stage. That’s up a staggering 22 percent
from last week’s report. And, in its latest drought
report released earlier today, the National Drought Mitigation Center
warned that “bone-dry” conditions are overtaking much of the
Golden State, and noted that, overall, California is “short
more than one year’s worth of reservoir water, or 11.6 million
acre-feet, for this time of year.”
All across California, streams are drying up, crops are dying off and local communities are struggling to maintain access to water, thanks to 3 years of persistent drought conditions. The situation is so dire that on Tuesday, California implemented state-wide emergency water-conservation measures, in an effort preserved what remaining water there is. Under the new measures, Californians can face fines of up to $500 per day for using hoses to clean sidewalks, run decorative fountains, and other water-guzzling activities.
Unfortunately,
while the situation in California is already pretty bleak, it looks
like things are only going to get worse. In fact, it’s
possible that all of the American southwest could soon be seeing
the devastating drought conditions that Californians are
facing. That’s because the largest surge of heat ever recorded
moving west to east in the Pacific Ocean, often referred to as a
Kelvin Wave, which was supposed to start an El Nino and bring
tropical-like rains to the West Coast and southwest, just dissipated,
after it was absorbed by abnormally warm ocean waters.
An
El Nino is marked by the prolonged warming of Pacific Ocean surface
temperatures, when compared to the average temperature. El Ninos
usually happen every two to seven years, and can last anywhere
between nine months and two years. As warm water spreads from
the western Pacific and the Indian Ocean to the eastern Pacific,
it brings rain and moisture with it, bringing rain to California and
the American Southwest.
So,
during an El Nino period, winters are often a lot wetter than usual
in the southwest U.S., including in central and southern
California, where drought conditions are currently the
worst. That’s why Californians were hoping for a strong El
Nino period, to bring the rains and moisture that’s needed to
help ease the drought.
Unfortunately,
while some weather models are still predicting that an El Nino
is possible, the chances of an El Nino strong enough to break
the devastating drought that California is seeing are now very,
very slim. As a result, there’s probably no end in sight to
the current drought conditions in California. And, since
warm ocean waters that bring rain are moving farther north up the
Pacific, while Oregon and Washington and Alaska will get rain,
the jet stream is set to extend drought-like conditions to much
of the southwest.
Ivanpah Lake is a dry lake bed in the Mojave Desert of San Bernardino County, California on the border of California and Nevada. Photo credit: Shutterstock
It
could get so bad that there’s now a very real possibility that
devastating
drought conditions
will soon cover everywhere from Texas to California. Warmer
ocean waters, like those that absorbed the record Kelvin ocean heat
Wave, and the drought-like conditions they’re helping to
influence, are a direct consequence of climate change and global
warming.
According
to NOAA, global ocean temperatures were the highest ever measured
for June, and the global sea surface temperature anomaly, which
is the difference in sea surface temperature from its historical
average, was the highest in history. In a press release, NOAA
wrote that, “For the ocean, the June global sea surface temperature
was record warm, at 0.64°C (1.15°F) above the 20th century average
of 16.4°C (61.5°F). This marks the first time that the monthly
global ocean temperature anomaly was higher than 0.60°C
(1.08°F) and surpasses the previous all-time record for any
month by 0.05°C (0.09°F).”
Because
of climate
change
and global warming, our oceans are getting warmer and warmer,
shattering previous temperatures records on what seems like a daily
basis. And as our oceans continue to warm, we’ll have
more severe forms of weather, like the historic drought that has
engulfed California.
As
George Birchard points out over at Daily Kos, if our oceans continue
to warm at the rates that we’re seeing today, “This could be
a pattern that reinforces itself leading to drought patterns not
seen since the ancient Pueblo people in the southwest were forced to
migrate after decades of continuous drought.”
The
stakes have never been higher. Unless we start taking the
actions that are needed to curb climate change and global warming
right now, California, and the rest of the southwest, may soon look
more like the Sahara than one of the most populous regions in
the U.S.
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