Tracking Jet Stream Winds from Ground Level Pressure Signals
- 1 March 1969
- journal article
- Published by American Meteorological Society in Journal of the Atmospheric Sciences
- Vol. 26 (2) , 266-269
- https://doi.org/10.1175/1520-0469(1969)026<0266:tjswfg>2.0.co;2
Abstract
A major portion of atmospheric pressure fluctuations in the 30–90 min period range was observed to move across a small array of microbarographs with speeds and directions that correlate with jet stream winds. Measured speeds (10–50 m sec−1) and periods, with plane wave assumptions, yield wavelengths of the order of 100 km. The pressure fluctuations were observed, however, to decorrelate in much less than one wavelength, implying that they are not free waves, but more likely are disturbances dragged along by the tropopause winds.Keywords
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