Chapter 3 - Chapter 3 Weather Maps ATOC 1050 I. Synoptic...

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Chapter 3 – Weather Maps ATOC 1050 I. Synoptic scale surface station weather maps: A. Synoptic weather scale: Any weather phenomena that is approximately 500 – 2000km in diameter and lasts from approximately 1 day to 1 week. Includes mid-latitude (approximately 30 ° to 60 ° N and S latitudes) cyclones (areas of low pressure) and anticyclones (areas of high pressure). B. Weather information from surface weather stations is plotted and lines of constant pressure (isobars) are drawn every 4 mb on synoptic scale surface weather maps. Note the “L” stands for “low pressure” and the “H” stands for “high pressure” 1
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C. Know how to read a surface station model (see pg. 46 in text) which will be explained in class. You need to know how to read: 1. Temperature ( ° F) 2. Dew point temperature ( ° F) 3. Pressure (mb) – e.g. “042” a. Put a decimal between the last 2 digits, 04.2 b. USUALLY add a “9” or “10” to the left-hand side, whichever
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Chapter 3 - Chapter 3 Weather Maps ATOC 1050 I. Synoptic...

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