US Naval Oceanography Command (Continued) 
(k) Sea Level Pressure and Mean Wind (mean sea level pressure in milli- 
bars and scalar mean winds). 
(1) Waves (percent frequency of wave heights of less than 1.5 and 2.5m 
and greater than 3.5 and 6.0 m). 
Each of the above isopleth analyses is supplemented with graphical pre- 
sentations and tabular data for selected areas in the ocean basin. Two addi- 
tional charts are presented for each month: low Pressure Centers, which 
depicts the mean storm tracks and principal areas of cyclogenesis; and 
Tropical Cyclone, which presents eight point tropical cyclone movement roses 
for each 5-deg latitude-longitude quadrangle in the ocean basin. 
Part II - Oceanography presents monthly charts of sea ice concentrations 
and extremes, seasonal charts of surface currents, types of tides, and tide 
ranges. Also included are summaries of ice freeze-up and breakup dates where 
appropriate. The isopleth analyses are multicolor. 
Available From: Individual volumes or the complete five-volume 
set may be purchased from: 
Superintendent of Documents 
US Government Printing Office 
Washington, DC 20402 
(202) 783-3238 
The GPO Stock Nos. are: 
Volume 1: O008-042-00064-1 
Volume 2: 008-042-00068-3 
Volume 3: O008-042-00066-7 
Volume 4: 008-042-00069-1 
Volume 5: 008-042-00070-5 
Additional Information: A volume of the older set that remains unrevised 
is "US Navy Marine Climatic Atlas of the World, 
Volume VI, Arctic Ocean" (NAVWEPS 50--iC-533). 
It was published in February 1963 by the Chief 
of Naval Operations. This volume may be 
obtained from GPO. 
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