Describe a surface analysis chart.

Description should include the concept that a surface analysis chart is a computer-prepared report that is transmitted every three hours and covers the contiguous 48 states and adjacent areas. A surface-analysis chart shows the areas of high and low pressure, fronts, temperatures, dew points, wind directions and speeds, local weather, and visual obstructions.

PLT287

Process/Skill Questions:

• How often is a surface analysis chart transmitted?
• What information is included on a surface analysis chart?