MET4300_SWX_LEC3

MET4300_SWX_LEC3 - MET 4300 Lecture 3 Meteorological...

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MET 4300 Lecture 3 Meteorological Measurements
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Time Conversions Meteorological observations are simultaneously Universal Coordinate Time (UTC): GMT, Z Do Ex. 2.1 Pacific Mountain Central Eastern 1200 UTC STD 4 am 5 am 6 am 7am Daylight 5 am 6 am 7 am 8 am 0000 UTC STD 4 pm 5 pm 6 pm 7 pm Daylight 5 pm 6 pm 7 pm 8 pm
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Surface Measurements Automated Surface Observing Systems (ASOS) from NWS Automated Weather Observing Systems (AWOS) from FAA and DoD ASOS and AWOS work nonstop, report data hourly
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ASOS and AWOS 600 Sites, FAA, NWS, MIL, … Report hourly: Wind speed, direction, and gusts Temperature and dew point Cloud height and coverage Visibility Present weather (rain, drizzle, snow) Rain accumulation Thunderstorms and lightning Altimeter (pressure) Fog, mist, haze, freezing fog
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ASOS Instruments Tipping Bucket Rain Gauge Hygrothermometer
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ASOS Instruments Ceiliometer Freezing Rain Sensor
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ASOS Instruments Wind Vane and anemometer Thunderstorm Sensor
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ASOS Instruments Visibility Sensor Present Weather
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This note was uploaded on 02/18/2012 for the course MET 4300 taught by Professor Staff during the Spring '08 term at FIU.

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MET4300_SWX_LEC3 - MET 4300 Lecture 3 Meteorological...

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