A ceiling balloon is a small, usually red, rubber balloon commonly measuring 76 mm (3 in) across prior to inflation. After inflation the balloon is taken outside and released.
ceiling projector"Same as ceiling light.
ceiling"1. After U.S. weather observing practice, the height ascribed to the lowest layer of clouds or obscuring phenomena when it is reported as broken, overcast, ...
ceiling
The height above the surface of the base of the lowest layer of clouds that obscures more than half the sky; reported for only broken and overcast sky cover. The ceiling may be estimated by visual means or measured by a ceilometer.
CEILING The lowest cloud layer that is reported as broken or overcast. If the sky is totally obscured, then it is the height of the vertical visibility. Related terms: measured ceiling and variable ceiling ...
Ceiling - The height above the earth's surface given to the lowest cloud layer or obscuring phenomena when the sky cover is reported as broken, overcast, or obscuration and not classified "thin" or "partial." See vertical visibility.
CEILING: The height ascribed to the lowest layer of clouds or obscuring phenomena when it is reported as broken, overcast, or obscuration and not classified as thin or partial.
CEILING: The height of the lowest layer of clouds, when the sky is broken or overcast.
CHANCE: A 30, 40 or 50 percent chance of occurrence of measurable precipitation.
CHINOOK WIND: A foehn wind on the east side of the Rocky Mountains.
Ceiling Balloon A small balloon used to determine the height of the cloud base. The height is computed from the balloon's ascent rate and the time required for its disappearance into the cloud.
CEILING- The height of the cloud base closest to the earth's surface.
CELL- An individual thunderstorm (often referred to as such on radar).
Ceiling- the height of the lowest layer of broken and overcast clouds.
Celsius- a temperature scale in which zero is the freezing point of water and one hundred is the boiling point.
CEILING - The height of the lowest layer of clouds, when the sky is broken or overcast.
CELSIUS - a temperature scale in which zero is the freezing point of water and one hundred is the boiling point.
Ceiling
(Abbrev. CIG) - The height of the cloud base for the lowest broken or overcast cloud layer.
Ceilometer ...
ceiling—In meteorology in the U.S., (1) the height above the surface of the base of the lowest layer of clouds or obscuring phenomena aloft that hides more than half of the sky, or (2) the vertical visibility into an obscuration.
Ceiling- The height of the lowest layer of broken or overcast clouds.
Ceilometer- A device used to evaluate the height of clouds or the vertical visibility into a surface-based obscuration.
Ceiling - The height of the lowest layer of broken or overcast cloud layer.
Cold Front - The transition zone where a colder air mass overtakes and replaces a warmer air mass.
CEILING: The height of the lowest layer of clouds reported as broken or overcast and not thin.
CIRRUS: A principal cloud type present at high altitudes above 18,000 feet and composed of ice crystals.
CEILING - The height above the ground of the lowest layer of clouds that is reported as broken or overcast and is not classified as thin or partial.
CENTER OF GRAVITY (CG) - The point where the total mass of the pilot and aircraft balances.
Ceiling - The height of the lowest layer of broken or overcast cloud layer.
Cirrus Clouds - Thin, wispy clouds that form high in the atmosphere as their water vapor freezes into ice crystals. Cirrus clouds are a principle cloud type.
Ceiling- The height above the ground of the base of the lowest layer of clouds, when at least 60 percent of the sky is covered by clouds.
CEILING - The height from the ground to the cloud base. Commonly used in the aviation community.
CELSIUS - A metric unit of a degree for measurement of temperature, based on the boiling point of water of 100 degrees (Celsius). Also called CENTIGRADE.
For example, the ceiling projector (also called a ceiling light or cloud searchlight) is used in conjunction with a clinometer or alidade to determine the height of the cloud ceiling at night.
MeanderIn hydrologic terms, the winding of a stream channelMeander BeltIn hydrologic terms, the area between lines drawn tangential to the extreme limits of fully developed meandersMeasured CeilingA ceiling classification applied when ...
It used to track the movements of either a ceiling balloon or a radiosonde.ThermalA relatively small-scale, rising air current produced when the Earth's surface is heated. Thermals are a common source of low level turbulence for aircraft.
Balloon Ceiling: The height of the base of the clouds observed and measured with a weather balloon or ceiling balloon.
Baroclinic Atmosphere:Isotherms move across the isobars or contours.
socked in - In the early days of aviation, commonly used to describe weather at an airport when ceiling and/or visibility were of such low values that the airport was effectively closed to aircraft operations.
Extra ventilation from ceiling fans, rotary vents and wind traps?
Boundary fences which allow airflow?
A low wire fence is preferable to a high brick wall.
In the Airmet Sierra bulletin:
Ceilings less than 1000 feet and/or visibility less than 3 miles affecting over 50% of the area at one time.
Extensive mountain obscuration ...
IFR conditions for fixed wing aircraft means the minimum cloud ceiling is greater than 500 feet and less than 1,000 feet and/or visibility is greater than 1 mile and less than 3 miles. Related terms: MVFR and VFR ...
Sky conditionThe state of the sky in terms of such parameters as sky cover, layers and associated heights, ceiling, and cloud types.SleetRain drops that freeze into ice pellets before reaching the ground.
 See also: Weather, Temperature, Cloud, Surface, Water
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