FEBEUARY 1953 MONTHLY WEATHER REVIEW 43 THE WEATHER AND CIRCULATION OF FEBRUARY 1953’
America. Although the latter trough consisted of two The monthly mean 700-mb. circulation over the pieces, it may be considered essentially as a single trough Northern Hemisphere for February 1953 (fig. I), featured extending from Baffin Island through eastern Canada and the existence of three plane...
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.394.7374 http://docs.lib.noaa.gov/rescue/mwr/081/mwr-081-02-0043.pdf |
| Summary: | America. Although the latter trough consisted of two The monthly mean 700-mb. circulation over the pieces, it may be considered essentially as a single trough Northern Hemisphere for February 1953 (fig. I), featured extending from Baffin Island through eastern Canada and the existence of three planetary troughs in the main band the Great Lakes to Lower California. This trough, in of westerlies at middle latitudes. These were located in with the ridges to either side, was responsible 18ee Charts I-XV following page 62 for analyzed climatological data for the month. for E % large part Of the weather Over the United States FIQURE 1.-Mean i”mb. height contours and departures from normal (both labeled in tens of feet) for January 27”February 25, 1963. Of spwial interest is the strong gradient in eastern Pacific resulting from the welldeveloped Aleutian Low and Pacific High. 44 MONTHLY WEATHER REVIEW FEBBUABY 1953 during. " the month. Other features of the broad scale"c.and 330 feet below normal over northwestern Russia, a circulation which directly influenced this month's weather difference of 880 feet. How this contributed to the are the strong Aleutian Low, with 700-mb. heights 380 European flood was discussed in last month's article [3]. feet below normal and surface pressures 9 mb. below February saw a continuation of this anomalous situation |
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