Figure 6. --Location, type, and motion of frontal systems passing over vessel 

 and areas of observed precipitation. Larger values and adjacent arrows in- 

 dicate the distance (mi, ) and direction to the center of the low; the smaller 

 encircled values and adjacent arrows indicate the direction and speed (knots) 

 of the frontal movement. Points indicate station positions. Abbreviations: 

 sta. - stationary, dis. - dispersing. 



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