ROCKET OBSERVATIONS OF HIGH LEVEL MERIDIONAL FLOW OVER NORTH AMERICA DURING 1960 AND 1961

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  • 1 Commander, U.S. Navy
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Abstract

The relatively large number of meteorological rocket soundings made ill the United States during 1960 indicate the meridional flow at 55 km. to he predominantly northward. A fewer number of soundings from Alaska and Canada for the same year also show a tendency for weak poleward flow at the same level but reveal stronger equatorward flow centered near 35 km. The data available from 1959, 1960, and 1961 indicate that the mean meridional flow did not reverse direction from summer to winter with the observed reversal of mean zonal flow at high levels. Mean annual meridional wind profiles for Point Mugu, Calif. for the years 1960 and 1961 are nearly identical.

Abstract

The relatively large number of meteorological rocket soundings made ill the United States during 1960 indicate the meridional flow at 55 km. to he predominantly northward. A fewer number of soundings from Alaska and Canada for the same year also show a tendency for weak poleward flow at the same level but reveal stronger equatorward flow centered near 35 km. The data available from 1959, 1960, and 1961 indicate that the mean meridional flow did not reverse direction from summer to winter with the observed reversal of mean zonal flow at high levels. Mean annual meridional wind profiles for Point Mugu, Calif. for the years 1960 and 1961 are nearly identical.

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