partly cloudy"1. In U.S. climatological practice, the character of a day's weather when the average cloudiness, as determined from frequent observations, has been from 0.4 to 0.7 for the 24-hour period. Compare clear, cloudy. 2.
Partly Cloudy When the predominant/average sky condition is covered 3/8 to 4/8 with opaque (not transparent) clouds. Same as Partly Sunny.
PARTLY CLOUDY The state of the weather when the clouds are conspicuously present, but do not completely dull the sky or the day at any moment. The National Weather Service does not have an amount of sky cover for this condition.
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Between 3/8 and 5/8 of the sky is covered by clouds.
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Eye, Partly Sunny, PTCLDY, PTLY ...
PARTLY CLOUDY: Sky condition when between 3/10 and 7/10 of the sky is covered.
POPs: Probability of Precipitation. (see Precipitation Terminology) ...
PARTLY CLOUDY: Sky condition when between 3/10 and 7/10 of the sky is covered.
POPs: Probability of Precipitation.
PRECIPITATION: Liquid or solid water molecules that fall from the atmosphere and reach the ground.
Partly Cloudy- the appearance of the sky when 3/10ths to 6/10ths of the sky is covered with clouds.
Precipitation- all forms of water that fall from the sky and reach the ground.
PARTLY CLOUDY (PARTLY SUNNY) - Sky condition when between 3/10 and 7/10 of the sky is covered.
PBL- Planetary Boundary Layer. The lowest level of the atmosphere where friction is an important force and vertical mixing is common.
Partly Cloudy, or Partly Sunny
3/8 to 4/8
Mostly Cloudy, or Considerable Cloudiness ...
Partly cloudySky condition when between 3/10ths and 7/10ths of the sky is covered. Used more frequently at night. In the United Kingdom, it is defined as less than half cloud cover.Partly sunnySimilar to partly cloudy.
Partly CloudyBetween 3/8 and 5/8 of the sky is covered by clouds.Partly SunnyBetween 3/8 and 5/8 of the sky is covered by clouds. The term "Partly Sunny" is used only during daylight hours.
Partly sunny and partly cloudy: Both terms refer to 40 to 70 percent cloud cover. Partly sunny is used in the day; partly cloudy is used at night.
Fog: A cloud on the ground. Fog is composed of billions of tiny water droplets floating in the air.
Entries which can be made in the log include: sky condition; partly clear; partly cloudy; cloudy; temperature; (max-min); and current temperature. Pressure; wind speed and direction.
For example, the pictogram 'partly cloudy' doesn't say whether the clouds are thickening or clearing, but it tells you that there will be sunshine at some point of the day.
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The relatively calm center in a hurricane that is more than one half surrounded by wall cloud. The winds are light, the skies are partly cloudy or even clear (the skies are usually free of rain) and radar depicts it as an echo-free area within the ...
Eye - A region in the center of a hurricane (tropical storm) where the winds are light and skies are clear to partly cloudy due to an area of sinking air.
Sky Cover - a term used to describe the amount of sky covered or concealed by clouds or obscuring phenomena. Classifications for sky cover include clear, broken, partly cloudy, and overcast.
usage, the state of the weather when clouds predominate at the expense of sunlight, or obscure the stars at night. In weather forecast terminology, expected cloud cover of about 0.7 or more warrants the use of this term. Compare clear, partly cloudy.
The winds are light, the skies are partly cloudy or even clear (the skies are usually free of rain) and radar depicts it as an echo-free area within the eye wall.
 See also: Cloud, Weather, Cloudy, Clouds, Front
  
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