Randolph Kinney
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Does rising ocean temperatures mean the earth is warming from CO2?
Rising ocean temperatures in the equatorial Pacific and diminishing trade winds continue to indicate a strong El Niño climate pattern could bring much-needed rain to Southern California, according to the latest update from National Oceanic and Atmospheric Administration forecasters.
It's unclear whether this year's conditions in the Pacific will develop as strongly as those that created the intense 1997 El Niño weather system, but the 2015 version is shaping up to be one of the strongest of the last 50 years, said Bill Patzert, climatologist at NASA's Jet Propulsion Laboratory.
Wind is the wild card this season.
"It's large, it's very warm, and at this point, the drama is, will the trade winds relax enough in the next two to three months to make this the El Niño of our generation," Patzert said.
Scientists track two elements to determine the strength of an El Niño weather condition. Surface temperatures of the Pacific Ocean near the equator need to rise at least half a degree centigrade above average, and the generally east-to-west trade winds need to weaken, stall or reverse direction. In the 1997 El Niño episode, the winds stalled, or collapsed, enabling further ocean surface temperature increases.
This El Niño started off strong and early, Patzert said, with temperatures on the surface of the ocean near the equator up a couple of degrees centigrade over normal.
"Now it rivals the El Niño of the fall of 1997 but the big difference is that the trade winds have not relaxed as much," Patzert said. "The trade winds, in contrast with 1997, are still pretty strong out there, and so to make this the El Niño of our generation, we would have to see a relaxation of the trade winds over the next few months.
"A changing climate makes historical weather data less comparable," Anderson said. He advised people to continue conserving water, particularly during the hot fall months.
If temperatures there reach 0.5°C above average for at least three consecutive months, then an El Niño has formed. Not all El Niños are equal though, only the strong ones tend to bring rain to Southern California.
A strong El Niño season can translate into a higher likelihood of stormy weather for Southern California, but drought-busting rainfall is not guaranteed, said Nathan Mantua, a NOAA research scientist with Southwest Fisheries Science Center in Santa Cruz — which is separate from NOAA's National Weather Service predictions office, which puts out El Niño forecasts.
Scientists track the rising ocean temperatures and wind conditions, using a three-month rolling average, and announce updates each month. Last month, NOAA's weather prediction center said the 2015-16 winter could be one of the strongest El Niños since they started keeping track back in the 1950s.
Mantua said it's unclear how the El Niño will play out as weather in Southern California because the condition forms far out in the Pacific Ocean and will not be felt here for several months.
http://www.scpr.org/news/2015/09/10/54312/el-nino-update-still-on-track-for-a-stormy-socal-w/
Strange, no mention of increasing CO2 levels in the atmosphere or any connection to El Nino except a generalized reference to a changing climate.
The only symptoms these guys track is the ocean temperature at the equator and the trade winds stalling or reversing direction.
Wonder why they don't correlate those symptoms with ocean acidity, or CO2 concentration at the surface of the equator?
Rising ocean temperatures in the equatorial Pacific and diminishing trade winds continue to indicate a strong El Niño climate pattern could bring much-needed rain to Southern California, according to the latest update from National Oceanic and Atmospheric Administration forecasters.
It's unclear whether this year's conditions in the Pacific will develop as strongly as those that created the intense 1997 El Niño weather system, but the 2015 version is shaping up to be one of the strongest of the last 50 years, said Bill Patzert, climatologist at NASA's Jet Propulsion Laboratory.
Wind is the wild card this season.
"It's large, it's very warm, and at this point, the drama is, will the trade winds relax enough in the next two to three months to make this the El Niño of our generation," Patzert said.
Scientists track two elements to determine the strength of an El Niño weather condition. Surface temperatures of the Pacific Ocean near the equator need to rise at least half a degree centigrade above average, and the generally east-to-west trade winds need to weaken, stall or reverse direction. In the 1997 El Niño episode, the winds stalled, or collapsed, enabling further ocean surface temperature increases.
This El Niño started off strong and early, Patzert said, with temperatures on the surface of the ocean near the equator up a couple of degrees centigrade over normal.
"Now it rivals the El Niño of the fall of 1997 but the big difference is that the trade winds have not relaxed as much," Patzert said. "The trade winds, in contrast with 1997, are still pretty strong out there, and so to make this the El Niño of our generation, we would have to see a relaxation of the trade winds over the next few months.
"A changing climate makes historical weather data less comparable," Anderson said. He advised people to continue conserving water, particularly during the hot fall months.
If temperatures there reach 0.5°C above average for at least three consecutive months, then an El Niño has formed. Not all El Niños are equal though, only the strong ones tend to bring rain to Southern California.
A strong El Niño season can translate into a higher likelihood of stormy weather for Southern California, but drought-busting rainfall is not guaranteed, said Nathan Mantua, a NOAA research scientist with Southwest Fisheries Science Center in Santa Cruz — which is separate from NOAA's National Weather Service predictions office, which puts out El Niño forecasts.
Scientists track the rising ocean temperatures and wind conditions, using a three-month rolling average, and announce updates each month. Last month, NOAA's weather prediction center said the 2015-16 winter could be one of the strongest El Niños since they started keeping track back in the 1950s.
Mantua said it's unclear how the El Niño will play out as weather in Southern California because the condition forms far out in the Pacific Ocean and will not be felt here for several months.
http://www.scpr.org/news/2015/09/10/54312/el-nino-update-still-on-track-for-a-stormy-socal-w/
Strange, no mention of increasing CO2 levels in the atmosphere or any connection to El Nino except a generalized reference to a changing climate.
The only symptoms these guys track is the ocean temperature at the equator and the trade winds stalling or reversing direction.
Wonder why they don't correlate those symptoms with ocean acidity, or CO2 concentration at the surface of the equator?