Interplanetary Magnetic Field Polarity and the Size of Low-Pressure Troughs Near 180°W Longitude

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Science  06 Apr 1979:
Vol. 204, Issue 4388, pp. 60-62
DOI: 10.1126/science.204.4388.60


When the interplanetary magnetic field is directed away from the sun, the area of wintertime low-pressure (300-millibar) troughs near 180°W longitude is significantly larger than when the field is toward the sun. This relation persists during most of the winters of 1951 to 1973.

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