[PDF] Modern Marine Weather From Time Honored Traditional Knowledge To The Latest Technology eBook
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A comprehensive text on how to take weather into account for the planning and navigation of voyages, local or global, using the latest technologies as well as the time-honored skills of maritime tradition, so that your time on the water remains as safe and efficient as possible. Covers practical applications of GRIB files, QuikSCAT wind measurements, and other modern resources. "No subject is more important to every sailor than the wind and its direction. Modern Marine Weather is first class reference book on the subject of marine weather and the information it contains will help every sailor, every day!" Peter Isler, two-time America's Cup winning navigator. An invaluable resource that belongs in the wheelhouse along side of Bowditch From the Foreword by Lee Chesneau
A comprehensive text on how to take weather into account for the planning and navigation of voyages, local or global, using the latest technologies as well as the time-honored skills of maritime tradition, so that your time on the water remains as safe and efficient as possible. Covers practical applications of GRIB files, ASCAT wind measurements, and other modern resources.
A comprehensive text on how to take weather into account for the planning and navigation of voyages, local or global, using the latest technologies as well as the time-honored skills of maritime tradition, so that your time on the water remains as safe and efficient as possible. Covers practical applications of GRIB files, ASCAT wind measurements, and other modern resources.
There is way too much weather information out there on the Internet, and the trick is to find the key weather you need to go sailing safely and quickly. This purpose of this book is to help sailors find and use the important weather information in the endless universe of weather information.Whether you are planning a day sail on a lake, or a voyage across an ocean, knowing what the weather is going to do is as important as knowing how to trim your sails or set your anchor. Hopefully, this book will help you learn how to find and understand the weather you need as a sailor.
If you are doing an RYA course or are simply seeking to gain a greater understanding of the weather, this edition of the RYA Weather Handbook (which covers the Northern and Southern Hemispheres) is full of practical and useful information, on aspects such as theory, weather charts, clouds, predicting the wind, and the technology used in sourcing meteorological information. This edition provides more information than ever before about where to obtain forecasts, the growing use of technology in forecasting weather and obtaining up-to-date information and in particular monitoring the tell-tale signs around you for any indication that the weather may not be doing what was forecast. The areas that have been substantially updated and enhanced with additional content are: Tropical weather (hurricanes, cyclones and sailing in the tropics) Climate change New technology The illustrations have also been completely modernised and the look and feel of the layout has benefitted from an overall redesign, making even the most complicated subject easily understandable. This book takes advantage of Google's accessibility features (https://support.google.com/accessibility/android/answer/6006564?hl=en-GB).
This book is an updated and expanded edition of a text that has been used in navigation courses for 30 years. It covers practical small-craft navigation (sail, power, or paddle), starting from the basics and ending with all that is needed to navigate safely and efficiently on inland and coastal waters in all weather conditions. It is for beginners, starting from scratch, or for more seasoned mariners who wish to expand their skills. Topics include: Charts, Chart Reading, and Chart Plotting Instruments and Logbook Procedures Compass Use Piloting and Dead Reckoning Lights and Buoyage Tides and Currents Rules of the Road GPS and other Electronic Aids The GPS tells us where we are and how fast we are moving in what direction, but it can never tell us the safest, most efficient route to our destination. That fundamental task requires the basic navigation skills taught in this book, which we can use as well to check the GPS underway, and then be prepared to navigate without the GPS if we need to. The hallmark of good seamanship is to look ahead and be prepared. The text covers not only the long tested traditional methods of navigation but also the efficient use of the latest technology in electronic navigation and charting.
There are two types of electronic charts: raster navigational charts (RNC) and electronic navigational charts (ENC). RNC are exact copies of paper charts and their use underway comes naturally to navigators accustomed to paper charts. All traditional paper charts, however, and their RNC are being discontinued by NOAA. Many are gone already and all will be gone in a year or so. ENC (also called vector charts), on the other hand, include much more information than RNC; they allow user-selected display options that enhance safety and efficiency; and they are easier to keep up to date. But they do not look like traditional charts, and they do not behave like traditional charts. Navigation with ENC is fundamentally different from navigation with paper charts or RNC. Electronic charting benefits all mariners, professional and recreational, large vessels and small, power and sail, racing and cruising. The unique information in this book should help mariners in any of these categories master the use of ENC to enhance their safety and performance underway. There are many virtues of ENC, but to take advantage of these, a new approach to "reading charts" is called for. This book explains and illustrates the process. From the Forward to the Second Edition Two primary factors have taken place since the first edition that affect the content of this book. Foremost is the ongoing NOAA program to redesign the layout of all ENC to make them more consistent amongst themselves and with the ENC from other nations. This is a major improvement. The process is called rescheming. The most apparent changes are the shapes and coverages of the individual charts, which, when reschemed, become regular and consistent. Chart scales and depth contour conventions are also improved, plus we get a larger (more detailed) compilation scale for many areas. On top of these changes, the USCG has just completed a call for comments on the proposed new ruling that vessels must have some electronic chart viewer on board to effectively read the official ENC. In other words, we are at the moment when ENC have gone from an optional substitute for paper charts to being a required method of navigation. With all of this going on, we can see why NOAA decided it was time to take on the daunting task of rescheming all of the US ENC. We have added an appendix on rescheming to cover the details of the changes and how we recognize them in conjunction with what we now call the legacy ENC that exist before rescheming. The full conversion will take some years to complete, so we will be using the legacy ENC layouts for quite a while to come. The interpretation and basic use of ENC does not change with the reschemed charts. When a topic comes up in the book that is affected by rescheming, we make note of the changes with a reference to the appendix. There is also a short appendix on the new NOAA custom chart program (NCC); another on Inland ENC, the US Army Corps of Engineers charts for the Western Rivers; and one emphasizing a recommended vessel icon set up for navigation in strong wind or current. An overview of the next generation ENC called S-100 has also been added as an appendix. The second primary factor that has led to updates in this edition was the preparation for and first experiences we have had with our new training course on Electronic Chart Navigation. Many sections throughout the book have been enhanced to reflect the practical experience we gained. Interactions with students first learning a new subject is an invaluable resource we are lucky to have. Topics with more extensive updates include: coverage of the Quality of data object and Zone of Confidence attributes; treatment of magnetic variation; use of safety contour and safety depth; plus a new section on the use of encrypted S-63 charts with a specific example using the newly free ENC from New Zealand.