Abstract: A detailed analysis is presented to show the atmospheric structure during the earlier formative stages of a deep, upper trough. Over the western United States, a well-marked west-east frontal layer extends through the whole ...

Abstract: Using upper-air soundings taken by the Thunderstorm Project and surface and serological data available through teletype distribution, a detailed three-dimensional analysis of a prefrontal squall line is presented and certain ...

Abstract: The life cycle of a destructive cyclone over the United States during 16 to 21 November 1948 is investigated. The vorticity advection at 300 millibars, as an indicator of divergence in the upper troposphere, is shown to ...

Abstract: Based on recently published mean maps, the torques upon the atmosphere owing to pressure differences between the west and east faces of mountain ranges are computed for the whole earth, for four midseason months. Considering ...

Abstract: An attempt is made to study, by means of a detailed synoptic analysis, the three-dimensional air-motion in a typical outbreak of a polar air-mass. The mean vertical velocities at different levels over the entire cold-air ...

Abstract: A mean cross section is constructed from a number of individually analyzed daily cross sections, using the frontal layer as a reference for the coordinates. This preserves the thermal gradients observed in the individual ...