Actually, the upper–level wind speed within these disturbances is sometimes as strong as tropical cyclones and has the possibility of causing air traffic hazards in the western subtropic Pacific. With infrared images of the Japanese Geostationary Meteorological Satellite and the NCEP–NCAR reanalysis ...
Earth’s upper-level jet streams influence the speed and direction of travel of weather systems and commercial aircraft, and are linked to severe weather occurrence. Climate change is projected to accelerate the average upper-level jet stream winds. Howe
where h is terrain height, VL is the maximum low-level wind speed within 1.5 km of the terrain. The threshold of the terrain height was determined to cover MWT-prone regions such as the Rocky Mountains, the Andes, and the Himalayas. The mountain wave term (ds) is multiplied by selecte...
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First, we review the effects of mean winds and dissipation on the vertical propagation of high-phase-speed planetary-scale waves from troposphere and stratosphere sources into the mesosphere and thermosphere, drawing on a number of milestone research papers published over the past 35 years. The ...
(GOES-16, band 13: 10.3 µm;https://ftp.cptec.inpe.br/goes/goes16/retangular/ch13/2023/01/) indicating the approximate cloud-top temperatures at 05:50 local time. Temperatures below −50 °C are coloured. The back-trajectory calculations used the horizontal wind speed and ...
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where is the eastward wind speed and is the northward wind speed at a pressure level of 250 hPa. Under the context of global warming, we also projected the changes of turbulence for the period 2015–2100 over the northern Eurasia region. The projection results of five typical models from ...
Therefore, trends in the speed of the upper-level jet stream11,12,13 represent a closely balanced tug-of-war between two competing effects at different altitudes14. It is possible to isolate one of the competing effects by analysing the vertical shear—the change in wind speed with height—...
This correlation at the slice statistic level is preferred as opposed, say, to forming separate, complete wind maps at each PRF, extracting range location features (over all azimuth samples) of greater statistical significance, because a two wind map comparison requires a large high speed memory ...