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Absolute Humidity Parcel Size 2M cubed/Water Content 10g/Absolute Humidity 5g/m cubed. Parcel Size 1M cubed/Water Content 10g/Absolute Humidity 10g/m cubed.

Published bySolomon Watson Modified over 8 years ago

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Presentation on theme: "Absolute Humidity Parcel Size 2M cubed/Water Content 10g/Absolute Humidity 5g/m cubed. Parcel Size 1M cubed/Water Content 10g/Absolute Humidity 10g/m cubed."— Presentation transcript:

1 Absolute Humidity Parcel Size 2M cubed/Water Content 10g/Absolute Humidity 5g/m cubed. Parcel Size 1M cubed/Water Content 10g/Absolute Humidity 10g/m cubed. Absolute Humidity Formula Absolute Humidity= mass of water vapor/volume of air Specific Humidity Formula Specific Humidity= mass of water vapor/total mass of air Mixing Ratio Mixing Ratio= mass of water vapor/mass of dry air

2 Water Vapor 32F can hold about 2g/cubic meter 50F can hold about 9g/ cubic meter 75F can hold about 23g/ cubic meter Average Specific Humidity by latitude 60N 5g/kg 30N 11g/kg Equator 18g/kg

3 Saturation Vapor Pressure 14F =2mb(vapor pressure 32F=5mb(vapor pressure 50F=12mb(vapor pressure Relative Humidity RH=Actual vapor pressure/saturation vapor pressure X 100% TEMPS 10C Potential 9G20C Potential 17G 10C Actual 9G20C Actual 9G RH= 9/9=100%RH= 9/17=53% Relative Humidity by Day(EXAMPLE) 6:00 AM12PM6PMMIDNIGHT T 25FT30F33F28F RH 77%RH50%RH20%RH 67%

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