Bar A unit of pressure equal to 106 dyne per cm² (106 barye), 1000 millibars, 29.53 inches of mercury. Barogram The record of a barograph. Barograph A continuous-recording barometer.
Pressure is usually measured in millibars, 1 mb = 103 dyne/cm2. Distance is conveniently measured in the length of a degree of latitude, which is 111 km or 69 mi. Then, a pressure gradient of 1 mb per degree of latitude is 8.993 x 10-5 dyne/cm2/cm.
erg"The unit of energy in the centimeter-gram-second system of physical units, that is, one dyne-centimeter. One erg is equal to 10−7 joule or to 2.389 × 10−8 cal.
kilogram-force, or kilopond, per square centimetre (technical atmosphere).
gram-force and tonne-force (metric ton-force) per square centimetre.
barye (dyne per square centimetre).
kilogram-force and tonne-force per square metre.
Dust Devil: A small whirlwind of air of short duration which moves along the ground picking up dust, sand, dirt, leaves, debris.
Dust Storm: A large area of dust blown in the air by strong winds over a wide area.
Dyne: A unit of force.
 See also: Pressure, Weather, Air, Earth, Normal
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