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Tag Archives: Moisture
How can it feel humid during a drought?
The drought that began in the spring of 2012 is actually an extension of the 2010 drought. The recent February storms have lessened the current drought, which covered 80 percent of the lower 48 states of the United States with at least abnormally dry conditions. The economic impact on the Midwest has been estimated to be more than $35 billion. Continue reading
Why is Fog Usually Seen in the Morning?
A fog is just a cloud at the ground. Fog formation can occur in two ways. First, the air is cooled to the dew point which leads to the formation of fog droplets. When the air temperature is the same as the dew point temperature, condensation occurs on tiny particles floating in the air. . . Continue reading
Category: Meteorology
Tags Clouds, Fog, Meteorology, Moisture, Phenomena
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Tags Clouds, Fog, Meteorology, Moisture, Phenomena
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How Much Condensed Liquid Water is in a Cubic Mile of Fog?
Fog is composed of tiny water drops, each one with a diameter of about one-one thousandth (0.001) of an inch. They are small and fairly uniform in size. You also would find about one of these drops in each cubic inch of fog. . . Continue reading
Category: Weather Dangers
Tags Clouds, Fog, Measurement, Moisture
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Tags Clouds, Fog, Measurement, Moisture
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How is the Dew Point Measured?
A dew point hygrometer consists of a small mirror, a narrow light beam and a light detector. The light beam is reflected off the mirror into the detector, which measures the brightness of the reflected light . . . Continue reading
Category: Meteorology
Tags Dewpoint, Humidity, Measurement, Meteorology, Moisture, Temperature
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Tags Dewpoint, Humidity, Measurement, Meteorology, Moisture, Temperature
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What is the Heat Index?
The heat index, or apparent temperature index, indicates how hot it feels. It is expressed as a function of air temperature and the relative humidity. . . Continue reading
Category: Meteorology
Tags Heat, Heat index, Humidity, Moisture, Summer, Temperature
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Tags Heat, Heat index, Humidity, Moisture, Summer, Temperature
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