[PDF] Top 20 Polar vortex evolution during Northern Hemispheric winter 2004/05
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Polar vortex evolution during Northern Hemispheric winter 2004/05
... NH polar vortex is highly variable throughout its life ...strong vortex (symmetrical and cen- tered over the pole) with high wind speeds are interrupted by sudden stratospheric warmings ...(SSW). ... See full document
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Regional stratospheric warmings in the Pacific-Western Canada (PWC) sector during winter 2004/2005: implications for temperatures, winds, chemical constituents and the characterization of the Polar vortex
... sector during winter 2004/2005 satisfactory simulations of O 3 losses during this challeng- ingly dynamical Arctic ...than during the 1999/2000 winter, and that modeled ... See full document
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Comparison of Inorganic Chlorine in the Southern Hemispheric lowermost stratosphere during Late Winter 2019
... the polar vortex. 125 Furthermore, as the polar night jet acts as a barrier, air composition is different inside and outside the ...the vortex because there is little mixing with the ... See full document
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Chlorine partitioning in the lowermost Arctic vortex during the cold winter 2015/2016
... the polar win- ter stratosphere drive catalytic cycles that deplete ozone and methane, whose abundances are highly relevant to the evolution of global ...POLSTRACC–GW-LCYCLE–SALSA during ... See full document
16
Evaluation of the Madden-Julian Oscillation and the Stratospheric Polar Vortex and Their Joint Influence on the Northern Hemisphere Extratropical Circulation
... observed during combined events of the MJO and the SPV in order to better understand how these modes enhance the reproducibility of winter weather ... See full document
79
Arctic Oscillation and Polar Vortex Analysis and Forecasts
... During the winter schedule the blog is updated once every week. Snow accumulation forecasts replace precipitation forecasts. Also, there is renewed emphasis on ice and snow boundary conditions and their ... See full document
16
Weakening of the stratospheric polar vortex by Arctic sea-ice loss
... Successive cold winters of severely low temperatures in recent years have had critical social and economic impacts on the mid-latitude continents in the Northern Hemisphere. Although these cold winters are thought ... See full document
8
Tropospheric forcing of the boreal polar vortex splitting in January 2003
... layer during the winter-spring ...the polar stratosphere between both examined winters was found as ...lar vortex the total ozone loss over the whole winter season amounted to ...in ... See full document
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Seasonal evolution of the QBO-induced wave forcing and circulation anomalies in the northern winter stratosphere
... anomalies during the winter, whereby the refracted waves break at middle to high latitudes, driving a stronger poleward meridional circu- lation, which in turn “drags” poleward the subtropical negative PV ... See full document
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Polar flux imbalance at the sunspot cycle minimum governs hemispheric asymmetry in the following cycle.
... maximum during the last 110 years. For ex- ample, during solar cycle 18, the southern hemisphere reached its peak activity almost two years before the northern hemi- sphere reached its ...observed ... See full document
17
Phytoplankton during winter 2004
... Sánchez S, Jacobo N. 2008. El fi toplancton durante el invierno 2004. Inf. Inst. Mar Perú 35(2):119-122.- Se dan a conocer las principales características de la comunidad fi toplanctónica estudiadas durante el ... See full document
5
Polar mesosphere winter echoes during MaCWAVE
... which might be present. In the height region of interest here, the Raman scatter is too weak to be detected so is not pos- sible to separate the aerosol and molecular contributions a priori. The usual assumption for the ... See full document
11
Predictability of the Vortex Splitting in the Polar Stratosphere : An Ensemble Reforecast Experiment for 2008/2009 Winter
... 1 Graduate School of Science, Kyoto University, Japan 2 Meteorological Research Institute, Japan 3 Global Environment and Marine Department, Japan Meteorological Agency, Japan Synopsis A[r] ... See full document
9
The stability of Mars' annular polar vortex
... Martian polar atmosphere is known to have a persistent local minimum in potential vorticity (PV) near the winter pole, with a region of high PV encircling ...annular vortex is investigated using ... See full document
15
EISCAT and ESRAD radars observations of polar mesosphere winter echoes during solar proton events on 11–12 November 2004
... Fig. 6. Scatter plot of EISCAT PMWE spectral width versus backscattered power at 64–67 km (red *) and 67–70 km (blue o) altitude for 11 November 2004. Figure 5 presents the results for fitting for 11 November when ... See full document
14
Ozone and water vapour in the austral polar stratospheric vortex and sub-vortex
... The measurements show a distinct difference above and be- low the 415 K isentrope. Above 415 K, the chemically per- turbed region of low ozone and water vapour is clearly evi- dent. Below 415 K, but still above the ... See full document
7
Could the two anticyclonic eddies during winter 2003/2004 be reproduced and predicted in the northern South China Sea?
... 3.2 The predictability of these anticyclonic eddies in the NSCS Since the generation, development, and the propagation of AE1 and AE2 can be well reproduced by the CSCAS when their amplitude >8 cm (or the ANP greater ... See full document
15
Arctic Oscillation and Polar Vortex Analysis and Forecasts
... Impacts Making a winter forecast is never easy but I am finding it particularly challenging this winter. I do think that Arctic sea ice has become an important factor over the past two decades but with sea ... See full document
21
Forecasting extreme stratospheric polar vortex events
... stratospheric polar vortex events ...Extreme polar vortex events known as sudden stratospheric warmings can in fluence surface winter weather conditions, but their timing is difficult to ... See full document
9
Arctic Oscillation and Polar Vortex Analysis and Forecasts
... Figure ii. Observed surface temperature anomalies for the globe in °C from https://climatereanalyzer.org/wx/DailySummary/#t2anom. It is my opinion for the AER model forecast to have any chance to verify, the polar ... See full document
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