Sentences with phrase «equatorial sst»

The resultant equatorial SST variability is consistent with published data for CC.
Owen mentions intimate knowledge of the vessels... I was the Tech on two of the vessels 2006 - 2015... i was the one collecting equatorial SST via SBE21, SBE3, SBE38, SBE45 Thermosalinographs and an SBE9plus water sampler carousel CTD on the TAO el niño array runs as well as elsewhere and I deployed the most Argo floats of the fleet, and I knew the NDBC / SAIC buoy techs...
You seem to be saying they ARE using equatorial SST as in input to the model.
We've put up figures of the near - equatorial SST anomalies from both Kaplan and NOAA - ERSST, and the different evolution is clear:
Paleo - proxy reconstructions indicate that a lower insolation due to volcanic aerosols (or else) leads to a lower east - west SST gradient / a higher eastern equatorial SST / a higher El Nino variability?
The CESM experiments reveal a quadratic relationship between extra-tropical Pacific albedo and the root - mean - square - error in equatorial SSTs — a relationship with which the CMIP5 models generally agree.
With an evident relationship across the CMIP5 models between equatorial SSTs and upper ocean temperatures in the extra-tropical subduction regions, our analysis suggests that cold SST biases within the extra-tropical Pacific indeed translate into a cold equatorial bias via the STCs.
A good discussion and example using Pacific equatorial SSTs and using PCs to characterize ENSO can be found in Hsieh, W. W. (2004), Nonlinear multivariate and time series analysis by neural network methods, Rev. Geophys., 42, RG1003, doi: 10.1029 / 2002RG000112.

Not exact matches

Hotspots of high intensity occurred in regions of large SST variability including the five western boundary current extension regions (+2 — 5 °C), the central and eastern equatorial Pacific Ocean (+1 — 4 °C) and eastern boundary current regions (+1 — 3 °C).
However, if one downweights these two events (either by eliminating or, as in Cane et al» 97, using a «robust» trend), then an argument can be made for a long - term pattern which is in some respects more «La Nina» - like, i.e. little warming in the eastern and central equatorial Pacific, and far more warming in the western equatorial Pacific and Indian oceans, associated with a strengthening, not weakening, of the negative equatorial Pacific zonal SST gradient.
Explanations for the recent «pause» in SST warming include La Niña - like cooling in the eastern equatorial Pacific, strengthening of the Pacific trade winds, and tropical latent heat anomalies together with extratropical atmospheric teleconnections.
Large patches N & S from the equatorial band haw lower cloudiness, and the SST falls and clouds increase as you move towards the poles.
However, if one downweights these two events (either by eliminating or, as in Cane et al» 97, using a «robust» trend), then an argument can be made for a long - term pattern which is in some respects more «La Nina» - like, i.e. little warming in the eastern and central equatorial Pacific, and far more warming in the western equatorial Pacific and Indian oceans, associated with a strengthening, not weakening, of the negative equatorial Pacific zonal SST gradient.
In reality, NINO3.4 SST anomalies (or the CTI SST anomalies they used) can only account for the linear responses to the changes in equatorial Pacific SST anomalies.
The SST anomaly map for the week ending 29 March shows warm anomalies extending across nearly all of the equatorial Pacific Ocean...
The NINO3.4 SST anomalies used in this post are a measure of that variation in the central equatorial Pacific, and only that variation.
ENSO is often measured by the difference in surface pressure anomalies between Tahiti and Darwin and the SSTs in the central and eastern equatorial Pacific.
The total longwave feedback is negatively correlated with sst in the equatorial Pacific as Lindzen said.
The evolution of El Niño - Southern Oscillation (ENSO) variability can be characterized by various ocean - atmosphere feedbacks, for example, the influence of ENSO related sea surface temperature (SST) variability on the low - level wind and surface heat fluxes in the equatorial tropical Pacific, which in turn affects the evolution of the SST.
El Niño Watch... Positive equatorial sea surface temperature (SST) anomalies continue across the Pacific Ocean.
Only looking at the Niño 3.4 index hides the fact that this event is more typical of La Niña Modoki, where cool SST anomalies in the central equatorial Pacific are flanked by warm anomalies to the east and west.
In Pacific Ocean — Global Atmosphere (POGA) experiments, SST anomalies in the equatorial eastern Pacific (8.2 % of the Earth's surface) follow the observed evolution (see Methods).
General circulation models frequently suffer from a substantial cold bias in equatorial Pacific sea surface temperatures (SSTs).
However, during La Niña Modoki the anomaly of the sea surface temperature (SST) in the eastern Pacific isn't affected by cooling but by warming just like western equatorial Pacific, while a cold anomaly affects the central equatorial Pacific (Niño 3.4).
At interannual time scales, a warming of the equatorial Atlantic and Pacific / Indian Oceans results in rainfall reduction over the Sahel, and positive SST anomalies over the Mediterranean Sea tend to be associated with increased rainfall.
Interactions between externally - forced climate signals from sunspot peaks and the internally - generated Pacific Decadal and North Atlantic Oscillations «When the PDO is in phase with the 11 year sunspot cycle there are positive SLP anomalies in the Gulf of Alaska, nearly no anomalous zonal SLP gradient across the equatorial Pacific, and a mix of small positive and negative SST anomalies there.
They conclude that the «most recent climate shift, which occurred in the 1990s during a period of continuous satellite coverage, is characterized by a «La Niña» SST pattern with significant signals in the central equatorial Pacific and also in the northeastern subtropics.
Scaled NINO3.4 SST anomalies are overlaid on that curve to represent the direct effects of ENSO on the eastern and central equatorial Pacific.
The long - term linear trend of the equatorial Pacific SST anomalies are incredibly flat, meaning there is little trend.
That process releases warm water from below the surface of the PWP, shifts it to the central and eastern equatorial Pacific, releases heat there through evaporation, which causes changes in atmospheric circulation, in turn causing SST outside of the tropical Pacific to vary.
The area shown in your graph reinforces my point, the area in contention is continually above normal in reference to SST anomalies which promotes lower pressures in that region compared to the eastern equatorial pacific.
During an El Niño event, the warming outside of the eastern and central equatorial Pacific is greater than the cooling, and global SST anomalies rise.
And for those wondering why the ENSO events don't always appear along the equatorial Pacific in the animated maps, keep in mind that the maps are showing the multidecadal changes in SST anomalies based on linear trends.
-0,7 ºC open count; NOAA: «A majority of ENSO forecasts indicate slightly below average SSTs in the central equatorial Pacific through Northern Hemisphere Summer 2009.
«The authors write that «the notorious tropical bias problem in climate simulations of global coupled general circulation models manifests itself particularly strongly in the tropical Atlantic,»... they state that «the climate bias problem is still so severe that one of the most basic features of the equatorial Atlantic Ocean — the eastward shoaling thermocline — can not be reproduced by most of the IPCC assessment report models,... as they describe it, «show that the bias in the eastern equatorial Atlantic has a major effect on sea - surface temperature (SST) response to a rapid change in the Atlantic Meridional Overturning Circulation (AMOC).»
The scaled running total of NINO3.4 SST anomalies establishes the base curve and would represent the integration of ENSO outside of the eastern and central equatorial Pacific.
The weather patterns that accompany different PDO phases will modulate the temperature of the SST's being blown into the Equatorial Pacific.
The trade winds are driven by the SST differences between the Pacific Warm Pool and the Eastern Equatorial Pacific, and vice versa.
Three new reconstructions of SST in the eastern Equatorial Pacific (Figure 2.29) that use optimum interpolation methods exhibit strong similarities.
The average annual SST difference between the east and west equatorial Pacific is about 4.5 deg C. Refer to the graph I prepared for an upcoming post.
Central and eastern equatorial Pacific SST anomalies rise.
Also note that taking POGA - H minus HIST to be representative of the evolving influence of internal variability (ENSO, PDO, IPO, HBO, ELO...) assumes that the forcing in HIST is a match, at least in terms of its temporal shape, for the forcing which actually occurred and resulted in the equatorial Pacific SST observations used in POGA - H.
Yu, J. - Y., and C. R. Mechoso, 1999: Links between annual variations of Peruvian stratus clouds and of SST in the eastern equatorial Pacific.
It is driven by changes equatorial trade winds, which are normally weakest in the spring and change direction when warmer SSTs starts moving east.
Emile - Geay, J., Cobb, K. M., Mann, M. E. & Wittenberg, A. T. Estimating central equatorial Pacific SST variability over the past millennium.
The well - known decrease in pressure from 1976 to 1977 is analogous to transitions that occurred from 1946 to 1947 and from 1924 to 1925, and these earlier changes were also associated with SST fluctuations in the tropical Indian (Figure 3.29, lower) and Pacific Oceans although not in the upwelling zone of the equatorial eastern Pacific (Minobe, 1997; Deser et al., 2004).
Hence, it appears that hurricane activity was more frequent in the first half of the last millennium when tropical Atlantic SSTs were warmer and eastern equatorial Pacific SSTs were cooler than in subsequent centuries.
Since you still haven't quite got the point yet, as your last link eloquently demonstrates, here again is a reminder that we are discussing * global energy imbalance *, not equatorial Pacific SSTs.
Equatorial Pacific sea surface temperatures (SSTs) remain below normal in much of the tropical and subtropical Pacific (Figure 13) consistent with La Niña.
Over the last month or so warm sea - surface temperature [SST] and upper - ocean heat content anomalies have increased in the near - equatorial central Pacific, while the SST cool tongue in the near - equatorial far - eastern Pacific has weakened, with warm anomalies now evident there.
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