The latest map of available upper air reports (those rawinsonde flights which have reached at least 400 hPa) for various regions are found here:
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www.met.fsu.edu/CUDOS/rawin.html
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Maps of the NWS Rawinsonde Network The NWS upper-air network (GCOS = Global Climate Observing System) A close-up of the NWS network in Alaska...
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www.ua.nws.noaa.gov/nws_upper.htm
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NOAA National Weather Service These sensors are linked to a battery powered, 300 milliwatt or less radio transmitter that sends the sensor measurements to a sensitive ground tracking antenna on a radio frequency typically ranging from 1675 to 1685 MHz. The radiosonde flight can last in excess of two hours,
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www.ua.nws.noaa.gov/factsheet.htm
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3 (FMH-3)--Radiosonde Observations and associated handbooks #4, and (4) combine FMHs 3,4,5, and 6 into a new FMH-3. In previous editions of the Federal Meteorological Handbooks, all procedures and internal agency instructions pertaining to upper air observations it will not contain agency-specific procedures and practices.
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www.ofcm.gov/fmh3/text/default.htm
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This Handbook prescribes federal standards for taking rawinsonde and pibal observations; for processing the observations; and for encoding, telecommunicating, and archiving the data. Also provided are procedures for quality control throughout the various phases of data acquisition, processing, and dissemination.
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www.ofcm.gov/fmh3/text/chapter1.htm
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Rawinsonde: a definition from the Arctic Climatology and Meteorology Primer.
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nsidc.org/arcticmet/glossary/rawinsonde.html
nsidc.org/arcticmet/glossary/rawinsonde.html
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a radiosonde tracked by a radio direction-finding device to determine the velocity of winds aloft. Bing Learn more about "rawinsonde"
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www.merriam-webster.com/dictionary/rawinsonde
www.merriam-webster.com/dictionary/rawinsonde
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Historical Arctic Rawinsonde Archive (HARA); Radiosonde Systems The term "rawinsonde" is often used to describe radiosonde systems that measure winds, along with pressure, temperature and humidity; "rawinsonde" will be used interchangeably with "radiosonde" in the following paragraphs.
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nsidc.org/data/docs/daac/radiosondes_instrument.gd.html
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Upper air sounding program. RAOB is the world's most powerful and innovative sounding software. Automatically decodes data from 35 different formats and plots data on 10 interactive displays including skew-Ts, hodographs, & cross-sections. RAOB 6.0 is now available...
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