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Sail-World.com : America's Cup wind system predicts ash cloud to remain until weekend
America's Cup wind system predicts ash cloud to remain until weekend
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'Checking the weather prognosis aboard Telefonica Blue, on leg 6 of the Volvo Ocean Race, from Rio de Janeiro to Boston. PredictWind integrates with iexpedition to show a similar display to that seen here.'
Gabriele Olivo/Telefonica Blue/Volvo Ocean Race ©
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An analysis undertaken by Sail-World using the the wind prediction software PredictWind in conjunction with the Expedition Lite package shows that the continuing Icelandic volcanic ash cloud will probably remain over Europe until the weekend.
Using a new feature (still under test for PredictWind) the wind prediction system shows a strong wind system developing in the weekend to blow the ash cloud away from England and Europe.
Until then, although stronger winds are forecast for a period, from a northerly direction, over the next day or two, these winds could just funnel the cloud down the eastern coast of England and over northern Europe.
However an advancing pressure system advances from the North Atlantic later in the week bringing easterly winds to the Icelandic coast of over 30kts. This system should be enough to move the volcanic ash cloud away from Europe and shoot the particulate over the Atlantic Ocean
The latest travel advisories can be found by clicking here it would seem that ahead of the change in wind direction and strength that the emissions from the Icelandic eruption are reducing.
 | BBC Map showing the extent of the volcanic ash cloud on 19 April 2010 - .. . |
The PredictWind application was used by the Swiss team Alinghi to win the 2003 and 2007 America's Cups, and has become the leading wind system used by racing and recreational sailors around the world. It is available on a subscription basis. Expedition is a routing system used by racing and cruising sailors for offshore and oceanic course optimsation. The application uses feeds such as that from Predictwind to provide very accurate information to sailors.
For the first time the new PredictWind system will offer ExpeditionLite as part of the package, making it easy for sailors to access the very best information available.
Predictions are normally for a five to seven day window, but are more accurate in the shorter term as the movement of weather systems becomes more certain.
The PredictWind system uses colour coding to show windstrength, along with the usual windbarbs. The strength of wind is white for light winds going through mauve to green (15kts) yellow and red (25kts). The barb system uses bars extending from the wind line, with each bar indicating 10kts (and half a bar 5kts).
The isobars are shown in the usual way, and in these series of images shot at 24 hour intervals the progress of a low pressure system can be tracked across the Atlantic towards the Icelandic coast. Winds over England and Europe remain light during the later part of the week. It is not known what effect these will have on the volcanic cloud.
Ten Sail-World readers will win a PredictWind Professional forecasting package for one year, valued at almost $1,000 each. ENTER NOW!!
There are ten annual subscriptions of PredictWind’s Professional Forecast Package top be won in Sail-World's latest competition.
Click Here to Enter
This Professional Package includes access to a unique set of tools allowing the user to predict weather conditions for use in club racing, major series or peace of mind while cruising in your favorite locations. This is the same fully functional package used by America's Cuppers, Round the World sailors, Sydney Hobart racers and top Olympic sailors the world over.
However as with all wind and weather systems these change on a daily basis, and you need your own subscription to PredictWind to track these changes properly. You can start the 30 day Free Trial by going to www.predictwind.com now - stay current for the Easter Break.
Zooming into an incredible 1km resolution PredictWind generates a detailed forecast that is displayed in Wind Maps, Graphs and Table formats. The package also includes access to the forecasts via your mobile phone and includes a 9-day forecast for offshore boating.
It's ideal for anything you want to know wind an weather conditions up to a week or so in advance.
Click Here to Enter
Only one entry is allowed per email address and person, if you are one of the ten winners, you can transfer the licence to a member of your family.
To win you will need to provide your contact details, complete the PredictWind survey and to win a prize be adjudged to have one of the top 10 explanations in 25 words or less why high quality marine weather forecasting is so important.
Click Here to Enter
If you can't wait for the contest winners to be announced you can try the 30 day Free Trial, or buy a cheaper (less functionality/features version) of PredictWind.
Treat yourself, or treat your favorite sailor!
Goto www.predictwind.com now and check out the best option for you.
Read the testimonies from the top sailors around the world who rely on PredictWind to win races, and see the different uses for PredictWind on www.predictwind.com
Click Here to Enter
by Richard Gladwell
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http://www.powerboat-world.com/index.cfm?nid=68652
9:56 AM Mon 19 Apr 2010 GMT
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