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8a and 8b. H. L. 8c. H. 8d. H. L. Highest Isobar (1024.0 mb). Highest Air Pressure (1025.0 mb). Pressure Gradient between Little Rock and Galveston. 1008.0 mb. 1012.0 mb. PG = Change in Pressure Distance PG = 1012.0 mb – 1008.0 mb = 4.0 mb = 0.01 mb/mi
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8a and 8b H L
8c H
8d H L
Highest Isobar (1024.0 mb) Highest Air Pressure (1025.0 mb)
Pressure Gradient between Little Rock and Galveston 1008.0 mb 1012.0 mb • PG = Change in Pressure Distance • PG = 1012.0 mb – 1008.0 mb = 4.0 mb = 0.01 mb/mi 400 mi. 400 mi
Highest Pressure (1020.2 mb Lowest Pressure (1002.4 mb)
Pressure Gradient between Stations X and Y 1004.0 mb • PG = Change in Pressure Distance • PG = 1012.0 – 1004.0 mb 500 mi • PG = 8.0 mb 500 mi • PG = 0.016 mb/mi 1012.0 mb
Wind Pattern Around the Low • Flows into the low • Convergent winds • Counterclock-wise pattern