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Current US Threat Advisory Level

Colorado Springs, Colorado, United States

Lat: 38.83N, Lon: 104.82W Wx Zone: COZ085 ICAO Used: KCOS
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Rest
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Tonight Friday Friday
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Saturday Saturday
Night
Rest Of Today: Flurries Tonight: Flurries Friday: Mostly Sunny Friday Night: Mostly Clear Saturday: Sunny Saturday Night: Partly Cloudy
Flurries Flurries Mostly
Sunny
Mostly
Clear
Sunny Partly
Cloudy
Hi: 33°F
Lo: 20°F Hi: 49°F
Lo: 26°F Hi: 56°F
Hi: 56°F
Lo: 32°F
Current Warnings, Watches & Advisories
  • Winter Weather Advisory
    Issued: 843 AM MDT THU NOV 20 2008
[Details]
Forecast Information
Dated: 750 AM MST THU NOV 20 2008
Expires: 515 PM MDT THU NOV 20 2008
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Description of ICAO "KCOS"
  • KCOS is at: Colorado Springs, City Of Colorado Springs Municipal Airport
  • In the state of: (CO)
  • In the country of United States (US)
  • Station Latitude = 38.82N (decimal)
  • Station Longitude = 104.71W (decimal)
  • Station Elevation = 1881 (meters)
  • Time Zone = Mountain Daylight Time (MDT)
  • Time Zone Offset from GMT = -6* (hours)
* Including Daylight Saving Time

The International Civil Aviation Organization (ICAO), an agency of the United Nations, codifies the principles and techniques of international air navigation. The ICAO Code is a 4-letter airport code used to determin current conditions at that location at the time of request.
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Current Conditions
Overcast
Overcast
Temp: 27°F
Humidity: 75%
Wind Speed: E 9 MPH
Barometer: 30.58 in.
Dewpoint: 20°F
Heat Index: 27°F
Wind Chill: 18°F
Updated: 8:54 AM MDT THU NOV 20 2008
Rest Of Today - Nov 20 2008
Flurries / Hi: 33°F / Pop: 10%
Flurries Cloudy with areas of light freezing drizzle... Slight chance of light snow and flurries. Areas of dense freezing fog. Visibility one quarter mile or less at Times. Near steady temperature in the lower to mid 30s. East winds 10 to 15 mph. Chance of precipitation 10 percent.
Dawn: 7:18 AM MDT
Sunrise: 7:47 AM MDT
Tonight - Nov 20 2008
Flurries / Lo: 20°F / Pop: 10%
Flurries Cloudy. Areas of light freezing drizzle...Slight chance of light snow and flurries until midnight...Then areas of light freezing drizzle after midnight. Areas of fog through the night. Near steady temperature 17 to 21. Southeast winds up to 10 mph. Chance of precipitation 10 percent.
Waning Crescent Moon Moon Phase: Waning Crescent Moon
Sunset: 5:42 PM MDT
Dusk: 6:11 PM MDT
Friday - Nov 21 2008
Mostly Sunny / Hi: 49°F
Mostly Sunny Mostly sunny. Highs 44 to 53. Southeast winds up to 10 mph increasing to 10 to 15 mph in the afternoon.
Dawn: 7:19 AM MDT
Sunrise: 7:48 AM MDT
Friday Night - Nov 21 2008
Mostly Clear / Lo: 26°F
Mostly Clear Mostly clear. Lows 20 to 30. Northeast winds 10 to 15 mph becoming east after midnight.
Waning Crescent Moon Moon Phase: Waning Crescent Moon
Sunset: 5:41 PM MDT
Dusk: 6:10 PM MDT
Saturday - Nov 22 2008
Sunny / Hi: 56°F
Sunny Sunny. Highs 53 to 58. South winds up to 10 mph.
Dawn: 7:20 AM MDT
Sunrise: 7:49 AM MDT
Saturday Night - Nov 22 2008
Partly Cloudy / Hi: 56°F / Lo: 32°F
Partly Cloudy Partly cloudy. Lows 28 to 34. Highs 52 to 59.
Waning Crescent Moon Moon Phase: Waning Crescent Moon
Sunset: 5:41 PM MDT
Dusk: 6:10 PM MDT
Sun & Moon Information Definitions

Moon Phase: The phases of the Moon are related to (actually, caused by) the relative positions of the Moon and Sun in the sky. For example, New Moon occurs when the Sun and Moon are quite close together in the sky. Full Moon occurs when the Sun and Moon are at nearly opposite positions in the sky - which is why a Full Moon rises about the time of sunset, and sets about the time of sunrise, for most places on Earth.

Waning Crescent Moon: The Moon appears to be partly but less than one-half illuminated by direct sunlight. The fraction of the Moons disk that is illuminated is decreasing.

Twilight: Also known as "Dawn" preceding Sunrise and "Dusk" following Sunset. There are three kinds of twilight defined: civil twilight, nautical twilight, and astronomical twilight. For computational purposes, civil twilight begins before sunrise and ends after sunset when the geometric zenith distance of the center of the Sun is 96 degrees - 6 degrees below a horizontal plane. The corresponding solar zenith distances for nautical and astronomical twilight are 102 and 108 degrees, respectively. That is, at the dark limit of nautical twilight, the center of the Sun is geometrically 12 degrees below a horizontal plane; and at the dark limit of astronomical twilight, the center of the Sun is geometrically 18 degrees below a horizontal plane.

Sunrise and sunset: For computational purposes, sunrise or sunset is defined to occur when the geometric zenith distance of center of the Sun is 90.8333 degrees. That is, the center of the Sun is geometrically 50 arcminutes below a horizontal plane. For an observer at sea level with a level, unobstructed horizon, under average atmospheric conditions, the upper limb of the Sun will then appear to be tangent to the horizon. The 50-arcminute geometric depression of the Sun's center used for the computations is obtained by adding the average apparent radius of the Sun (16 arcminutes) to the average amount of atmospheric refraction at the horizon (34 arcminutes).

Accuracy of rise/set computations: The times of rise and set phenomena cannot be precisely computed, because, in practice, the actual times depend on unpredictable atmospheric conditions that affect the amount of refraction at the horizon. Thus, even under ideal conditions (e.g., a clear sky at sea) the times computed for rise or set may be in error by a minute or more. Local topography (e.g., mountains on the horizon) and the height of the observer can affect the times of rise or set even more. It is not practical to attempt to include such effects in routine rise/set computations.

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