PPT-Water and Weather Humidity

Clouds Precipitation Weather is affected by the amount of water in the air Dont forget transpiration Humidity the amount of water vapor moisture in the air warm air can hold more moisture. Chapters 4 and 5. 1. Class #3 July 9, 2010. Atmospheric Humidity. Chapter 4. 2. Class #3 July 9, 2010. Circulation of Water in the Atmosphere. A general definition of humidity is the amount of water vapor in the air.. ABSOLUTE HUMIDITY:. Absolute humidity (expressed as grams of water vapor per cubic meter volume of air) is a measure of the actual amount of water vapor (moisture) in the air, regardless of the air's temperature. The higher the amount (weight) of water vapor per kilogram, the higher the absolute humidity. . These figures were all obtained from the National Climatic Data Center. High humidity can lead to fogs. This is the average annual number of heavy fog days.. Advection Fog. Radiation Fog. Two views from the steps to the Quad. Humidity refers to the amount of moisture (water vapor) in the surrounding air.. Relative. Humidity is a measure of the amount of moisture in the air . compared. with the amount of moisture the air can hold.. Dew Point, Temperature and Relative Humidity. Dew Point and Temperature can tell us what the Relative Humidity is.. If temperature and dew point are both the same then there is 100% relative humidity.. What is humidity?. -The water vapor in the air (invisible). What is specific humidity?. - The actual amount of water vapor in the air.. Measured in GRAMS/Meter. 3. capacity!. - Capacity is how much water vapor the air can hold.. 16.1: Weather and the Atmospheric Water. Lesson Objective. Discuss the difference between weather and climate.. Describe the relationship between air temperature and humidity, including the concept of dew point.. Benjamin . Lamptey,PhD. (Meteorologist). Regional Maritime University, Accra Ghana. bllamptey@gmail.com. An update on the google-funded UCAR Meningitis Weather Project. Abudulai. Adams-. Forgor. , Patricia . HAXO-8 Fixed-Site Humidity & Temperature Monitoring SentryPRODUCTOVERVIEWThe Sentry TEHU-2222 is a wireless temperature and humidity monitoring device and component of the SensiNetwireless sensor network It reports highly accurate real-time ambient l Humidity . is the term which . gives. the . information of amount of . water. vapour . present in the air. It . is. not . constant. . It . differs from place to place. . Humidity . may be defined as . water vapor.  in the . air. . . Humidity. There are three main measurements of humidity: absolute, relative and specific.. Absolute humidity is the total amount of water vapour present in a given volume of air.. evaporation rate is equal to the condensation rate is defined as . saturation vapor pressure. As . temperature . increases, . the saturation vapor pressure increases. The condensation rate will increase as the vapor pressure increases.. Vapour Pressure. , . Relative Humidity . and . Dew point temperature. .. . The partial pressure in air due to water vapour alone is called “vapour pressure”.. . It is expressed in energy units viz., millibar or millimetre of mercury..