UDC 661.606.1:661.613(73)"1971.12" WEATHER AND CIRCULATION OF DECEMBER 1971 Return to a Persistent Temperature Regime

• Main Author: Robert R. Dickson-national
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Published: 1971
• Subjects: Lorn; Pacific; Baffin
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.395.2311; http://docs.lib.noaa.gov/rescue/mwr/100/mwr-100-03-0239.pdf

One of the major circulation developments during Downstream from the east Pacific ridge, amplification December 1971 was the striking amplification of the east spread through the complex of troughs Over and near Pacific ridge which accompanied modest deepening of western North America, to the East Coast ridge and thence both the low-latitude central Pacific trough and the to the western Atlantic trough. The latter feature ex-Asiatic coastal trough (figs. 1-31. Below-normal mean tended northward to an intense upper Lorn over Baffin heights in the south-central Pacific coupled with above- Bay. This Low, together with an upper ridge north of FIGURE 1.-Mean 700-mb contours in dekameters (dam) for December 1971. March 1972 1 239r. h- _ TEMPERATURE DEPARTURE (OF) from 30-YEAR MEAN FIGURE 4.-Departure from normal of average surface temperature