C
CLEAR: Sky condition of less than 1/10 cloud coverage.
CLIMATE: The historical record of average daily and seasonal weather events.
CLOUDY: the state of the sky when 9/10ths or more of the sky is covered by clouds.
D
DEW: Moisture that has condensed on objects near the ground, whose temperatures have fallen below the dewpoint temperature.
DEWPOINT: The temperature to which the air must be cooled for water vapor to condense.
F
FAHRENHEIT: the standard scale used to measure temperature in the United States; in which the freezing point of water is thirtytwo degrees and the boiling point is two hundred and twelve degrees.
G
GUST: A brief sudden increase in wind speed. Generally the duration is less than 20 seconds and the fluctuation greater than 10 mph.
H
HAZE: Fine dry or wet dust or salt particles in the air that reduce visibility.
HEAT INDEX: The HI is the temperature the body feels when the heat and humidity are combined.
HIGH WINDS: Winds of 40 mph or greater lasting for an hour or more , and/or gusts to 58 mph or greater.
HUMIDITY: The amount of water vapor in the atmosphere. (See relative humidity).
O
OVERCAST: Sky condition when greater than 9/10 of the sky is covered
R
RAIN: Precipitation of liquid water particles which, in contrast to drizzle, are widely separated and larger in size.
T
TEMPERATURE: a measure of the warmth or coldness of an object or substance with reference to a standard value.
V
VISIBILITY: The horizontal distance an observer can see and identify a prominent object.
W
WIND: air in motion relative to the surface of the earth.