Weather
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As seamen, we are heavily dependant upon the weather. As sailors, it is our motive force. This page is devoted to wind and waves and the weather patterns that make them. | As seamen, we are heavily dependant upon the weather. As sailors, it is our motive force. This page is devoted to wind and waves and the weather patterns that make them. | ||
| - | + | ===Also See=== | |
* [[Extreme Weather]] | * [[Extreme Weather]] | ||
* | * | ||
| - | + | ==Weather Tools== | |
| - | Methods of collecting weather data | + | |
| - | * [[NAVTEX]] - receives forecasts for most areas up to 250 miles offshore. See [http://www.pcnavtex.com www.pcnavtex.com] for more information | + | ===Weather Models=== |
| + | All weather forecasts are dependent on one or more weather models. These are computer simulations of the weather produced in various places and by various agencies around the world. The [http://en.wikipedia.org/wiki/Numerical_weather_prediction wikipedia page on numerical weather prediction] gives an overview of some of these models. | ||
| + | |||
| + | Common weather models in use include: | ||
| + | * [http://en.wikipedia.org/wiki/Global_Forecast_System GFS] or the Global Forecast System, run by the US National Weather Service. | ||
| + | * The [http://en.wikipedia.org/wiki/Global_Environmental_Multiscale_Model GEM] or CMC model run by the Canadian Meteorological Centre. | ||
| + | * The UK based [http://en.wikipedia.org/wiki/Unified_Model Unified Model]. | ||
| + | |||
| + | ===Weather Data=== | ||
| + | Weather information comes in one or more of the following formats: | ||
| + | * Text format weather forecasts, for example "Winds E/SE at 15-20 knots, easing to 10-15 knots later". | ||
| + | * [[Weatherfax]] data, which is pictorial data submitted as image files over HF radio or similar. | ||
| + | * [http://en.wikipedia.org/wiki/GRIB GRIB] data files that can be loaded into navigation software. | ||
| + | |||
| + | ===Methods of collecting weather data=== | ||
| + | |||
| + | The method you use to collect weather data depends on the format you wish to receive it in: | ||
| + | |||
| + | ====Text Forecasts==== | ||
| + | * [[NAVTEX]] - receives forecasts for most areas up to 250 miles offshore. See [http://www.pcnavtex.com www.pcnavtex.com] for more information. | ||
| + | * [http://www.saildocs.com/ Saildocs] offer text forecast retrieval via email. | ||
| + | |||
| + | ====Weatherfax Data==== | ||
| + | * See [[Weatherfax]] | ||
| + | |||
| + | ====GRIB Data==== | ||
| + | Downloading GRIB data is usually based around an email retrieval service. In order to be able to set that up, see [[Email at Sea]]. Once you are able to send and receive emails, there are a number of email based GRIB data services available: | ||
| + | |||
* SmartMet - download and view forecasts from GRIB files, as well as satellite images and current weather reports. See [http://www.smartmet.co.uk/smartmet.html www.smartmet.co.uk] for more information | * SmartMet - download and view forecasts from GRIB files, as well as satellite images and current weather reports. See [http://www.smartmet.co.uk/smartmet.html www.smartmet.co.uk] for more information | ||
| - | * [[ | + | * [http://www.saildocs.com/ Saildocs] is one of the first document retrieval systems designed for use by those with limited bandwidth. It offers a GRIB file retrieval service supporting the GFS weather model. Data from other NOAA and US Navy models is available, send a (blank) email to: [email protected] for details. |
| + | * [http://www.globalmarinenet.com/grib_downloads.php Global Marine Networks] offer a free GRIB file retrieval service. Their forecasts are based on the [http://polar.ncep.noaa.gov/waves/index2.shtml?-grl- National Weather Service, NOAA, Wave Watch III model] | ||
| - | + | ==References== | |
Books, etc. | Books, etc. | ||
* | * | ||
* | * | ||
| - | + | ==Forum Discussions== | |
Links to discussion threads | Links to discussion threads | ||
* | * | ||
Revision as of 01:07, 22 June 2014
Weather
|
As seamen, we are heavily dependant upon the weather. As sailors, it is our motive force. This page is devoted to wind and waves and the weather patterns that make them.
Also See
Weather Tools
Weather Models
All weather forecasts are dependent on one or more weather models. These are computer simulations of the weather produced in various places and by various agencies around the world. The wikipedia page on numerical weather prediction gives an overview of some of these models.
Common weather models in use include:
- GFS or the Global Forecast System, run by the US National Weather Service.
- The GEM or CMC model run by the Canadian Meteorological Centre.
- The UK based Unified Model.
Weather Data
Weather information comes in one or more of the following formats:
- Text format weather forecasts, for example "Winds E/SE at 15-20 knots, easing to 10-15 knots later".
- Weatherfax data, which is pictorial data submitted as image files over HF radio or similar.
- GRIB data files that can be loaded into navigation software.
Methods of collecting weather data
The method you use to collect weather data depends on the format you wish to receive it in:
Text Forecasts
- NAVTEX - receives forecasts for most areas up to 250 miles offshore. See www.pcnavtex.com for more information.
- Saildocs offer text forecast retrieval via email.
Weatherfax Data
- See Weatherfax
GRIB Data
Downloading GRIB data is usually based around an email retrieval service. In order to be able to set that up, see Email at Sea. Once you are able to send and receive emails, there are a number of email based GRIB data services available:
- SmartMet - download and view forecasts from GRIB files, as well as satellite images and current weather reports. See www.smartmet.co.uk for more information
- Saildocs is one of the first document retrieval systems designed for use by those with limited bandwidth. It offers a GRIB file retrieval service supporting the GFS weather model. Data from other NOAA and US Navy models is available, send a (blank) email to: [email protected] for details.
- Global Marine Networks offer a free GRIB file retrieval service. Their forecasts are based on the National Weather Service, NOAA, Wave Watch III model
References
Books, etc.
Forum Discussions
Links to discussion threads
External Links
- National Geospacial Intelligence Agency's Pilot charts - Free pilot charts and other info.
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