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RISInterannual Variability of the Winter Stratosphere in the Northern Hemisphere
Publisher: American Meteorological Society
Abstract: The interannual variability of the stratosphere in the northern winter is discussed, mainly on the basis of zonal harmonic wave analyses of the daily height and temperature fields in the middle stratosphere. Comparing 12 ...
The Amplification of Height Wave 1 in January 1979: A Characteristic Precondition for the Major Warming in February
Publisher: American Meteorological Society
Abstract: The development in time and space of the planetary-scale height waves 1 and 2 and of the mean zonal flow is described for the winter 1978/79. It is concluded that this winter supports earlier observational results: the ...
Temperature Changes in the Mesosphere and Stratosphere Connected with Circulation Changes in Winter
Publisher: American Meteorological Society
Abstract: The midwinter temperature changes of the mesosphere and stratosphere are described by means of Satellite Infrared Spectrometer and Selective Chopper Radiometer data, rocketsondes, and rocket grenade data, which show that ...
The Interaction Between Stratosphere and Meosphere in Winter
Publisher: American Meteorological Society
Abstract: Rocketsonde and rocket grenade data show that stratosphere temperature changes in winter in both low and high latitudes are accompanied by simultaneous changes of opposite sign in the mesosphere, which indicates that the ...
On the Mutual Relation between Stratosphere and Troposphere during Periods of Stratospheric Warmings in Winter
Publisher: American Meteorological Society
Abstract: An investigation of tropospheric conditions before and after pronounced stratospheric midwinter warmings indicates an interdependence of developments in the two atmospheric regions. The eleven northern hemisphere winters ...
Association between the 11-Year Solar Cycle, the QBO, and the Atmosphere. Part II: Surface and 700 mb in the Northern Hemisphere in Winter
Publisher: American Meteorological Society
Abstract: Sea level pressure, surface air temperature, and 700-mb temperature and geopotential height show a probable association with the 11-year solar cycle which can be observed only if the data are divided according to the phase ...
Association between the 11-Yr Solar Cycle, the QBO, and the Atmosphere. Part III: Aspects of the Association
Publisher: American Meteorological Society
Abstract: The probable association in the northern winter between the atmosphere and the 11-yr solar cycle extends to the frequency of lows in the North American east coast trough and thus adds a synoptic aspect to the previously ...
A Study of Atmospheric Energetics During the January–February 1963 Stratospheric Warming
Publisher: American Meteorological Society
Abstract: The spectral energy equations for zonal and eddy kinetic and available potential energies are used to investigate the energetics of the lowest 30 km of the atmosphere during the months of January and February 1963. A major ...
The Unusual Midwinter Warming in the Southern Hemisphere Stratosphere 2002: A Comparison to Northern Hemisphere Phenomena
Publisher: American Meteorological Society
Abstract: A strong midwinter warming occurred in the Southern Hemisphere (SH) stratosphere in September 2002. Based on experiences from the Northern Hemisphere (NH), this event can be defined as a major warming with a breakdown of ...