Difference between revisions of "HIP:wind"
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| − | + | == Standards == | |
| + | * Three types recorded: speed, direction, and gusts. | ||
| + | * Instantaneous velocities are sampled every 30 seconds. | ||
| + | * Wind direction is recorded in degrees from true north [[http://www.ofcm.gov/fmh-1/pdf/E-CH5.pdf 5.5.1]]. | ||
| + | * Average wind direction and speed is determined by averaging the values over a 2-minute period [[http://www.ofcm.gov/fmh-1/pdf/E-CH5.pdf 5.4]]. | ||
| + | * Wind gusts are the maximum instantaneous speed in the past 10 minutes [[http://www.ofcm.gov/fmh-1/pdf/E-CH5.pdf 5.5.4]]. | ||
| − | = | + | == Documents == |
| − | * [[http:// | + | === Federal Meteorological Handbook === |
| + | * [[http://www.ofcm.gov/fmh-1/fmh1.htm Federal Meteorological Handbook No. 1]] - Surface Weather Observations and Reports | ||
| + | ** [[http://www.ofcm.gov/fmh-1/pdf/E-CH5.pdf Wind Section in Handbook]] | ||
| + | === Indiana State Climate Office === | ||
| + | * http://shadow.agry.purdue.edu/sc.hly-faq.html#q11 | ||
| + | * Measures once every second, averaged every 5 seconds. The 5 second averages are used in the 2-minute average. | ||
| − | == | + | == Databases == |
| − | + | === Indiana Climate Data Access === | |
| − | + | * http://agmetx.agry.purdue.edu/sc.index.html | |
| − | + | ==== Farmland ==== | |
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| − | == Data | ||
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| − | * http:// | ||
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| − | === Farmland === | ||
* http://shadow.agry.purdue.edu/cgi-bin/map_patrol/images/cd_zen.map?162,104 | * http://shadow.agry.purdue.edu/cgi-bin/map_patrol/images/cd_zen.map?162,104 | ||
* Lists wind direction, speed, and gust. | * Lists wind direction, speed, and gust. | ||
| − | == | + | == Damping Techniques == |
| − | + | * The mode is consisidered the prevailing wind direction. | |
| − | + | * Dividing each recording into a north-south and east-west vector, averaging them, and then reassembling the vectors. | |
| − | + | * http://www.webmet.com/met_monitoring/62.html | |
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| − | * The mode is consisidered the prevailing wind direction. | ||
| − | * Dividing each recording into a north-south and east-west vector, averaging them, and then reassembling the vectors. | ||
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| − | * | ||
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==External Links== | ==External Links== | ||
*[http://www.novalynx.com/manuals/obsman.pdf International Weather Watchers Observer Handbook] | *[http://www.novalynx.com/manuals/obsman.pdf International Weather Watchers Observer Handbook] | ||
| − | *[http://mywebpages.comcast.net/dshelms/CWOP_Guide.pdf | + | *[http://mywebpages.comcast.net/dshelms/CWOP_Guide.pdf Citizen Weather Observer Program Guide] |
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*[http://rredc.nrel.gov/wind/pubs/atlas/atlas_index.html Wind Energy Resource Atlas of the United States] | *[http://rredc.nrel.gov/wind/pubs/atlas/atlas_index.html Wind Energy Resource Atlas of the United States] | ||
*[http://www.sodar.com/VectorScalar.htm Vector vs. Scalar Averaging of Wind Data] | *[http://www.sodar.com/VectorScalar.htm Vector vs. Scalar Averaging of Wind Data] | ||
*http://www.ndbc.noaa.gov/wndav.shtml | *http://www.ndbc.noaa.gov/wndav.shtml | ||
| − | *http://www.windustry.org/resources/WIND%20PROSPECTING_Monitoring%20at%20Site_FEB05.pdf | + | *[[http://www.windustry.org/resources/WIND%20PROSPECTING_Monitoring%20at%20Site_FEB05.pdf Monitoring at Site]] |
| − | + | * [[http://metar.noaa.gov/ METAR]] | |
| − | + | * [[http://www.wmo.ch/index-en.html World Meteorological Organization]] | |
| − | *[http:// | ||
Latest revision as of 15:31, 3 April 2006
Contents
Standards
- Three types recorded: speed, direction, and gusts.
- Instantaneous velocities are sampled every 30 seconds.
- Wind direction is recorded in degrees from true north [5.5.1].
- Average wind direction and speed is determined by averaging the values over a 2-minute period [5.4].
- Wind gusts are the maximum instantaneous speed in the past 10 minutes [5.5.4].
Documents
Federal Meteorological Handbook
- [Federal Meteorological Handbook No. 1] - Surface Weather Observations and Reports
Indiana State Climate Office
- http://shadow.agry.purdue.edu/sc.hly-faq.html#q11
- Measures once every second, averaged every 5 seconds. The 5 second averages are used in the 2-minute average.
Databases
Indiana Climate Data Access
Farmland
- http://shadow.agry.purdue.edu/cgi-bin/map_patrol/images/cd_zen.map?162,104
- Lists wind direction, speed, and gust.
Damping Techniques
- The mode is consisidered the prevailing wind direction.
- Dividing each recording into a north-south and east-west vector, averaging them, and then reassembling the vectors.
- http://www.webmet.com/met_monitoring/62.html
