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A visible collection of tiny water droplets or, at colder temperature, ice crystals floating in the air above
the surface. There are 3 types of clouds: Cumulus, Cirrus, and Stratus
is for Clouds
Water that forms on objects close to the ground when its temperature falls below the dew point of the
surface air.
is for Dew
The process of changing a liquid to a vapor. Evaporation is part of the
water cycle.
is for Evaporation
A boundary between two different air masses, resulting in stormy weather. A front usually is a line of separation between warm and cold air masses
is for Front
The heating effect of the Earth’s atmosphere. The atmosphere acts like a greenhouse because sunlight freely passes through it and warms
the surface.
is for Greenhouse Effect
A form of precipitation that falls from the sky as pellets of ice. The pellets
can range in size from small pea-sized pellets, to hailstones as large
as a grapefruit.
is for Hail
a fast flowing, river of air found in the atmosphere at around 12 km
above the surface of the Earth just under the tropopause.
is for Jet Stream
A front where the warm air descends the frontal surface, except in the low
layers of the atmosphere.
is for Katafront
An enormous and very hot spark of electricity produced by
thunderstorms. The lightning bolt itself can heat the air through which
it travels to 54,000 degrees Fahrenheit
is for Lightning
A scientist who studies and predicts weather. Meteorologists use
sophisticated equipment, like Doppler radar and supercomputers to
predict the weather.
is for Meteorologist
The federal agency that provides weather, hydrologic, and climate forecasts and warnings for the
United States.
is for National Weather Service
A combination of two fronts that form when a cold front catches up
and overtakes a warm front. An occluded front is represented as a
purple line with teeth and half circles.
is for Occluded Front
Any and all forms of “water” in liquid or solid form that falls from the sky. Precipitation can be in the form of rain, drizzle, sleet, snow, and hail.
is for Precipitation
Also known as QPF. A spatial and temporal precipitation forecast that will predict the potential amount of future precipitation for a specified
region, or area.
is for Quantitative Precipitation Forecast
Precipitation that is composed of white ice crystals that fall from
clouds. Snow may stick together to form snowflakes, which have
hexagonal or six-sided shape.
is for Snow
An instrument used for measuring temperature. The different scales used in meteorology are Celsius,
Fahrenheit, and Kelvin or Absolute.
is for Thermometer
A small-scale current of with vertical motion. If there is enough moisture,
then it may condense, forming, a cumulus cloud, the first step towards
thunderstorm development.
is for Updraft
An anabatic wind, it is formed during the day by the heating of the valley
floor. As the ground becomes warmer than the surrounding atmosphere,
the lower levels of air heat and rise, flowing up the mountainsides. It
blows in the opposite direction of a mountain breeze.
is for Valley Breeze
The state of the atmosphere at a specific time and with respect to its effect on life and human activities. It
is the short term variations of the atmosphere. It is often referred to in
terms of brightness, cloudiness, humidity, precipitation, temperature,
visibility, and wind,
is for Weather
The portion of the electromagnetic spectrum that has a very short wave length. It has a wave length longer than gamma rays, yet shorter than visible light. X-rays can penetrate
various thicknesses of all solids, and when absorbed by a gas, can result
in ionization.
is for X-Ray
Snow that is given golden or yellow appearance by the presence of pine or cypress pollen in it. I know that is
not what you were thinking!
is for Yellow Snow
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