HEMS (Helicopter EMS) Java Tool Tutorial
This tutorial describes the technical aspects to use the software effectively. The regulatory issues related to the use of this experimental software are not documented herein and must be consulted (via the URL at the top of this document). The following topics are covered in subsections found below:
● Weather products: gridded and textual observations and forecasts
● Effective use of zoom/pan operations and saving/viewing custom configurations
● Time controller and animation
● Geographic Information Systems (GIS) map characteristics
● Configuring specific weather overlay options
Weather products in the HEMS tool include grids of various weather parameters as well as National Weather Service (NWS) textual weather observations and forecasts. Some gridded products are three-dimensional including temperature, relative humidity, winds, and icing. Other gridded products are two-dimensional and may represent a “composite” of a three-dimensional weather phenomenon (for instance the convection product) or a surface weather variable such as horizontal visibility. A full list and description of each gridded product is given below. Also, the tool displays relevant NWS textual weather observations and forecasts needed for aviation. These data are either points of observed weather, often at airports, or regions of hazardous weather represented by two-dimensional polygons. A full list of these products is also found below and very specific configuration options for the display of these data are found in a subsection below. By default, the HEMS tool displays the most recent analysis of flight category colored distinctly for Visual Flight Rules (VFR), marginal VFR (MVFR), Instrument Flight Rules (IFR), and low IFR. These classifications are defined by certain cloud base ceilings and horizontal surface visibility values common to all aviation sectors. A full description is found at http://weather.aero/metars/description_ifr.php
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Tags: aviation sectors, experimental software, geographic information systems, hazardous weather, helicopter ems, hems tool, instrument flight rules, java tool, national weather service, overlay options, relative humidity, surface visibility, surface weather, textual weather, tool tutorial, visual flight rules, weather observations, weather parameters, weather phenomenon, weather products
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