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METEOROLOGICAL  BUOYS
DISPLAY  GROW

Aerographers Mate, Module 01-Surface Weather Observations
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either moored in a permanent location or drifting buoys. Routinely deployed by aircraft since 1989, drifting meteorological buoys (fig. 2-6) are sonobuoy-size weather stations that provide wind, air pressure, air and sea   surface   temperature,   wave   period,   and   sea temperature/salinity depth profiles to collection points via satellite. As an observer, you will have little opportunity to see a fully automatic weather station, since no observer support   is   required.     However,  you  will  use observations  and  data  transmitted  by  these  stations.  We discuss these products in later modules. REVIEW QUESTIONS Q1.    How often are ASOS observations updated? Q2.    How does the ASOS system detect precipitation? Q3.    What system does SMOOS interface with? Q4.    The SMOOS can detect clouds at what maximum height? Q5.  How do drifting and moored oceanographic buoys relay information to collection sites? SEMIAUTOMATIC  WEATHER  STATION LEARNING OBJECTIVE: Identify the major components   and   characteristics   of   the AN/GMQ-29 semiautomatic weather station. At  some  observing  stations,  the  primary-use weather  observation  equipment  is  still  the  AN/GMQ-29 automatic   weather   station.   Although   called   the Automatic Weather Station when first introduced, this equipment  earned  the  more  popular  term  semiautomatic weather  station  after  truly  automatic  weather observations were introduced. First operated in 1975, the  AN/GMQ-29  uses  electronic  and  electromechanical sensors  to  measure  temperature,  pressure,  precipitation, and winds. This equipment was installed at all Naval Meteorology   and   Oceanography   detachments, facilities,  and  centers.  The  manual  that  describes operating   procedures   for   this   equipment   is NAVAIR 50-30 GMQ-29-2, Handbook of Operation, Service and Overhaul Instructions with Illustrated Parts Breakdown for the Automatic Weather Station (AN/GMQ-29A).  There  are  two  major  groups  of equipment in the system:    the display group and the sensor group. Figure 2-7 shows the display group, Figure 2-6.—Drifting buoy. Figure  2-7.—AN/GMQ-29  display  group. 2-5







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