As an example, consider a unit area of 1 square inch. At sea level, the weight of the air above this unit area would (on average) weigh 14.7 pounds! That means pressure applied by this air on the unit area would be 14.7 pounds per square inch.Meteorologists use a metric unit for pressure called a millibar and the average pressure at sea level is 1013.25 millibars.t sea level, the weight of the air above this unit area would (on average) weigh 14.7 pounds! That means pressure applied by this air on the unit area would be 14.7 pounds per square inch. Meteorologists use a metric unit for pressure called a millibar and the average pressure at sea level is 1013.25 millibars.
Troup, Texas. Troup is a city in Smith and Cherokee counties in the U.S. state of Texas. The population was 1,869 at the 2010 census. Troup lies in two counties as well as two core based statistical areas.
Rusk County Clerk's Office 115 North Main Street Henderson TX 75652 51.1 miles from Karnack 903-657-0330. Camp County Clerk 126 Church Street Pittsburg TX 75686 51.4 miles from Karnack 903-856-2731. Concordia Parish Clerk PO Box 1206 Mansfield LA 71052 51.6 miles from Karnack 318-872-3110. Washington Parish Clerk PO Box 370 Minden LA 71058 52.3 miles from Karnack 318-371-0366