Every five years or so, a change in the winds causes a shift to warmer than
normal sea surface temperatures in the equatorial Pacific Ocean — known as El Niño.
«The climate patterns responsible for the expected above - normal 2007 hurricane season continue to be the ongoing multi-decadal signal (the set of oceanic and atmospheric conditions that have spawned increased Atlantic hurricane activity since 1995), warmer - than -
normal sea surface temperatures in key areas of the Atlantic Ocean and Caribbean Sea, and the El Nino / La Nina cycle»
El Niño is a Pacific - driven climate pattern that features warmer - than -
normal sea surface temperatures in the eastern tropics of that ocean basin.
The ongoing La Niña pattern, where there are colder than
normal sea surface temperatures in the central and eastern equatorial Pacific Ocean, favors these types of conditions.
Not exact matches
First,
sea -
surface temperatures in the Gulf of Mexico have been higher than
normal in the past couple of months, due to global warming, which means the air that flowed north would have been warmer to start with.
Studies of historical records
in India suggest that reduced monsoon rainfall
in central India has occurred when the
sea surface temperatures in specific regions of the Pacific Ocean were warmer than
normal.
«The area of below
normal sea surface temperatures continues to expand
in the central equatorial Pacific, marking the demise of the 1997/1998 El Ni ¿ o episode and the further evolution of La Ni ¿ a (Cold episode) conditions.
Sea surface temperatures in the Central Pacific and North Atlantic were cooler than
normal, which lead to increased rainfall across the southern Amazon
in the months preceding the fire season.
The latest Feb 5, 2016 forecast does not yet predict below
normal sea surface temperatures that would result
in a large La Niña.
Sea surface temperatures in the Pacific Ocean are warmer than
normal — El Niño conditions — which suppress rainfall
in the eastern Amazon.
The team used a worldwide climate model that incorporated
normal month - to - month variations
in sea surface temperatures and
sea ice coverage, among other climate factors, to simulate 12,000 years» worth of weather.
In late 2010 and early 2011, the continent Down Under received about twice its normal complement of rain, thanks in large part to unusually warm sea - surface temperatures just north of Australia and a particularly strong La Niña — in essence, combining a source of warm humid air with the weather patterns that steered the moisture over the continent where it condensed and fell as precipitatio
In late 2010 and early 2011, the continent Down Under received about twice its
normal complement of rain, thanks
in large part to unusually warm sea - surface temperatures just north of Australia and a particularly strong La Niña — in essence, combining a source of warm humid air with the weather patterns that steered the moisture over the continent where it condensed and fell as precipitatio
in large part to unusually warm
sea -
surface temperatures just north of Australia and a particularly strong La Niña —
in essence, combining a source of warm humid air with the weather patterns that steered the moisture over the continent where it condensed and fell as precipitatio
in essence, combining a source of warm humid air with the weather patterns that steered the moisture over the continent where it condensed and fell as precipitation.
For NOAA's Climate Prediction Center to make that declaration, the
sea -
surface temperature in an eastern - central segment of the ocean called the Nino 3.4 must be 0.5 °C (0.9 °F) above
normal for at least a month — and be forecasted to last that way for at least three months.
In the Eastern Pacific,
sea -
surface temperatures are about two degrees colder than
normal over an area the size of the United States.
Looking only at the present - day
sea -
surface temperatures will tell little until it is put
in perspective with the assumed
normal ocean conditions.
Beginning
in the mid-1970s, the equatorial Pacific Ocean began a period of warmer than
normal sea -
surface temperatures.
Climate conditions favor warm water growth — as measured by
sea surface temperature (SST)-- later
in the year, suggesting that
normal climate conditions effectively nipped the nascent El Niño
in the bud.
Cooler than
normal sea surface temperatures (blue shades) were developing
in the tropical Pacific Ocean during October, signaling the possible development of La Nina.
El Niño: A phenomenon
in the equatorial Pacific Ocean characterized by a positive
sea surface temperature departure from
normal (for the 1971 - 2000 base period)
in the Niño 3.4 region greater than or equal
in magnitude to 0.5 degrees C (0.9 degrees Fahrenheit), averaged over three consecutive months.
And the TC that hit Burma developed and travelled over waters that were below
normal in sea surface temperature.
The Oceanic Niño Index, the three - month - average
sea surface temperature departure from the long - term
normal in one region of the Pacific Ocean, is the primary number we use to measure the ocean part of El Niño, and that value for November — January is 2.3 °C, tied with the same period
in 1997 - 98.
The official El Niño / Southern Oscillation forecast says it's likely the tropical Pacific will transition to neutral conditions (
sea surface temperature in the Niño3.4 region dropping below the 0.5 ° - above -
normal threshold)
in the late spring.
So if you say «snow cover
in 49 states is due to more moisture
in the air from global warming» — then you have absolutely no idea WTF you are talking about.The air is not warm, and
Sea Surface Temperatures are also running well below
normal.
«
Sea surface temperatures off the coast of New England right now are at record levels, 11.5 C (21F) warmer than
normal in some locations,» says Penn State climate researcher Michael Mann.
But
sea surface temperature in the Equatorial Pacific region remain somewhat hotter than
normal — bending toward the warm side of ENSO neutral.
In July, sea surface temperatures anomalies were already at 1.0 °C above normal in the central equatorial Pacific Ocean, and in excess of 2.0 °C above normal across the eastern Pacific — and still risin
In July,
sea surface temperatures anomalies were already at 1.0 °C above
normal in the central equatorial Pacific Ocean, and in excess of 2.0 °C above normal across the eastern Pacific — and still risin
in the central equatorial Pacific Ocean, and
in excess of 2.0 °C above normal across the eastern Pacific — and still risin
in excess of 2.0 °C above
normal across the eastern Pacific — and still rising.
In the large area around Vanuatu the sea surface temperatures were one to two degrees Celsius above normal... So the atmosphere all around there has some 10 to 20 % more moisture in it than a comparable storm in the 1970s would have ha
In the large area around Vanuatu the
sea surface temperatures were one to two degrees Celsius above
normal... So the atmosphere all around there has some 10 to 20 % more moisture
in it than a comparable storm in the 1970s would have ha
in it than a comparable storm
in the 1970s would have ha
in the 1970s would have had.
The predicted September
sea ice area
in the East Siberian and Laptev
Seas, from a simple regression model using summer (Aug - Sep - Oct)
sea surface temperatures in the North Atlantic as the predictor, is below
normal but greater than
in 2009.
Using a statistical model based on canonical correlation analysis with fall
sea surface temperature anomalies
in the North Atlantic as the main predictor, Tivy shows below -
normal ice concentrations throughout most of the region (Figure 12), which suggests an earlier - than -
normal opening of the shipping season.
The map below clearly shows that
sea surface temperatures were as much as 24.7 degrees ABOVE
NORMAL in the Arctic ocean on November 7, 2015.
At irregular intervals (roughly every 3 - 6 years), the
sea surface temperatures in the Pacific Ocean along the equator become warmer or cooler than
normal.
Equatorial Pacific
sea surface temperatures (SSTs) remain below
normal in much of the tropical and subtropical Pacific (Figure 13) consistent with La Niña.
In his presentation, Gerry Bell, Like Lautenbacher, associated conditions since 1995 to «multi-decadal signal along with warmer than
normal sea surface temperatures.»
Current
sea ice extent and meteorological conditions suggest a record low is unlikely, as
surface temperature over the central Arctic has been near
normal in the last two months and forecasts of atmospheric
temperatures for the next few weeks indicate average
surface temperatures.
This led to a vigorous hurricane season
in the Atlantic
in 2010 and extensive flooding
in China and India
in July, and Pakistan
in August 2010
in association with the much above
normal sea surface temperatures (SSTs), while the La Niña refocused action to occur
in these regions and away from the Pacific domain.