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Profile for ita10267



Name ita10267
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Posts88
  • 2022-02-22 13:06:53
    R.I.P. J24Opla
    Board » General Discussion
    Yesterday we received the sad news that Claudio (aka J24Opla) sadly passed away.
    Claudio was a great sailor, mostly appreciated in the lakes Maggiore and Garda and also a very active member of SOL community. Unfortunately he became very ill and COVID was not nice to him.

    May he rest in peace and sail away in smooth sea.

    Andrea (aka ita10267)
  • 2019-04-11 10:10:09
    Re: RIP psail - Joao Malafaia
    Board » In memoriam
    Still shocked by the terrible news! Had quite a few professional chat with Joao and I will remember him for is clear and concise way of thinking. Like to remember him sailing, IRL or virtually, with the same spirit!

    ciao
  • 2015-03-16 20:29:54
    Re: RTW start
    Board » Flag Officers » Races
    will you?
  • 2015-03-16 17:26:18
    Re: RTW start
    Board » Flag Officers » Races
    Well Done! It was the right decision to make. One of the reason SWR is the main event of SOL year is that we really get to test ourselves against the top navigators. And with 18 hours of headstart (and a totally different wx configuration) it would have been a pity to race this one on our own.

    Thanks to the SRC and management for the reaction in such a short time!
  • 2015-03-16 13:08:57
    Re: RTW start
    Board » Flag Officers » Races
    It appears that we are starting despite the new postponement of the IRL race. I am in total disagreement with this decision as it makes incomprehensible the first postponement. Hope that the SRC can reconsider and delay the start accordingly.
  • 2015-02-19 16:46:03
    Re: The Weather Research & Forecasting Model (WRF)
    Board » Technical Discussion
    In synoptic conditions, i.e. wind given by large pressure systems, forecast are simpler and more reliable (see the Bos-New race with the heavy storm). In fluky conditions, with basically no pressure gradient, wind is given by "local"effect such as cloud coverage etc. So yes, on mesoscale, weather is less "consistent".

    As a comparison, GFS is "averaged" over a much bigger gridsize, so all the small scale variation are zeroed and you ave a more stable but less interesting windfield. On the other hand NAM model, on a 0.1deg scale, has the same behaviour.
  • 2015-02-17 07:01:29
    Re: The Weather Research & Forecasting Model (WRF)
    Board » Technical Discussion
    JB,
    at present time we have to allow for some WX data outside the race course (the purple line). This to allow predictor to work properly in the client. In this race we have used 0.5deg from each side. In the end we had more than 30% of datapoints "useless" for the race. In an optimal condition (no points outside race area), wxfile should have been around 4MB, which travels compressed now, so perfectly usable for the "desktop" client.
    Regarding mobile, probably it has some problems (depending on hardware) regarding memory and cache. Probably Zappe can look into that.
    Finally, the WRF is defined every hour, so dataset is 3X for the same resolution compared to GFS. As outlaw commented, we should push for even higher time resolution (1 frame every 15min). In this case probably we'll have denser frames for the first 6hrs and sparser afterwards.
    Ciao
    a.
  • 2015-02-13 11:14:02
    Re: The Weather Research & Forecasting Model (WRF)
    Board » Technical Discussion
    forecast for sunday morning
  • 2015-02-11 14:37:14
    Re: The Weather Research & Forecasting Model (WRF)
    Board » Technical Discussion
    A small video on high resolution weather

    http://youtu.be/n5ThrmvMJxA
  • 2015-02-10 21:30:23
    Re: The Weather Research & Forecasting Model (WRF)
    Board » Technical Discussion
    so, you are referring to the grid discretization.
    In SOL this changes from race to race. Usually we start from 0.5x0.5 deg GRIB file from NOAA which is then interpolated to the grid of our interest. In Leg4, for the first time, we are running the ocean on a 1x1 deg grid. The "pointy" edges are caused by the interpolation algorithm (bilinear), which is the same we use to get wind in between grid points.
    The WRF model we are using in the BOS-NEW race is evaluated on a much denser grid. This is not an interpolation process but a complete physical evaluation. The 0.5degx0.5deg GRIBS from NOAA are taken as boundary and starting conditions then the calculations are done on a powerful computer. The result is a 0.05X0.05 deg GRIB.

Races

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Current Races:

Melbourne Osaka Cup Double-Handed Yacht Race 2025

Welcome once again to what these days is Sailonline’s almost annual virtual Melbourne to Osaka Yacht Race. In real life, this double-handed 5500 nm race between these two sister cities, one deep in the southern hemisphere, the other high in the northern hemisphere, is run every four to five years, and this year is such a year. So, this year’s online version is in sync with the Melbourne Osaka Cup 2025 organised by the Ocean Racing Club of Victoria (ORCV), and the Sandringham (SYC) and Osaka Hokko (OHYC) yacht clubs. We’ll be racing the well-known First 40, a popular size of boat which should be a good match for many of the boats entered in the real race. With the doldrums unavoidably lying across our course, you can expect to be at virtual sea for at least a month!
Race #1669
INFO by brainaid.de
First 40 Particulars
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: SYC
Race starts: Mar 16th 06:00 Registration will open soon

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2025 Channel Islands 500 Yacht Race


Prepare for an exhilarating offshore challenge in the Channel Islands 500 Yacht Race! Collaborating with the Newport Harbor Yacht Club, Sailonline brings you a 500-nautical-mile test of skill, speed, and strategy. Starting in Santa Barbara, you’ll navigate between Santa Cruz Island and Santa Rosa Island, rounding three marks before finishing in San Diego. Our SOLers will be competing in their Melges 40s, a high-performance offshore racer designed by the Botin partnership. Who will conquer the Pacific and claim victory? Set your course and race for glory!
Race #1899
INFO by brainaid.de
Melges 40 PARTICULARS
NAM_AWIP WX Updates:
0245 / 0845 / 1445 / 2045
Ranking: SYC
Race starts: Mar 14th 22:30 Registration Open!
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Lake Ladoga Ice Race


For our second race of the 2025 Ice Yachting series, we shall risk disturbing another sect of monks, these of the Orthodox persuasion rather than Buddhist. Good ice is often found in remote places, and remoteness breeds contemplation, and Valaam Island at 61.3N in the north east corner of Lake Ladogo is as remote as it gets. Surrounded by pristine ice in winter, we find there one of the great monasteries of Russian Orthodoxy. So, get your visa’s, fly to St Petersburg, take the N-121 north to Vladimirovka, and get your DN-skates on for another no-PL monk-minding race, this time of 110nm in length, out around Valaam, then Derevnya, to finish near Berezova.
Race #1851
INFOby brainaid.de
DN PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: DN - SYC
Race starts: Mar 10th 09:00 Registration Open!
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Walyalup Sprint 2025


Once upon a time, aboriginal legend has it, the country of the Whadjuk people extended west from the present day Fremantle shoreline out to Rottnest island, but Walyalup as they called it was lost to the sea, and this sprint takes you across those inundated lands, round reefs and across shoals, 25nm in a Dufour 34. For the Walyalup, March fell in Bunuru, the hottest season of the year, which meant living near the water. Expect hot easterly winds, and cooling afternoon sea breezes with little to no rain. Perfect weather for a sail.
Race #1897
INFO by brainaid.de
Dufour 34 Particulars
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking:
SPRQ1 - SPRCH - SUPSOL - SYC
RACE CLOSE: Wednesday,
March 12 at 2300 UTC.
Race starts: Mar 08th 03:00 Registration Open!
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Tristan da Cunha to Coronation Island 2025

The adventure continues as we embark on the second leg of the RWW series, racing from Tristan da Cunha to the remote and uninhabited Coronation Island, NO, Elephant Island. Nestled between the Scotia Sea and the Weddell Sea, both island were named by 19th C British whalers. Prepare for a thrilling journey through the Roaring Forties and Furious Fifties, where relentless winds and challenging seas will test the mettle of every crew. This leg will be sailed aboard the historically iconic Steinlager II and is part of the prestigious OCCH 2025 series. The RWW series ranking will be determined by each team's best 7 out of 8 race results, so every moment counts! Are you ready to face the ultimate test of skill and endurance?
PRIZE: SMPF
Race #1890
INFO by brainaid.de
Steinlager II PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: OCQ1 - RWW - OCCH - SUPSOL - SYC
Race starts: Mar 03rd 11:00 Registration Open!
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Sinbad by Balloon 2025 - Dondra to Toamasina


Above you see a stratospheric balloon, that if only we had gribs at that altitude would get blasted along quite rapidly and predictably. Alas we just have our SOL balloon that sails rather lower to the sea and that we have crossed the Atlantic in, west to east, last year for the first time in the southern hemisphere. So much fun was had by all, that this year we will attempt the Indian Ocean, but in four legs. Another great piece of fiction, the voyages of Sinbad By Balloon not magic carpet, although you may need a bit of magic to make any progress at times. Pack your wicker basket full for your first leg of at least 2300nm from Sri Lanka to Madagascar; it’s not a picnic hamper, you could be in the air for longer than you hoped!
Race #1883
INFOby brainaid.de
SOL Balloon PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: SYC - SBB
RACE CLOSE: Tuesday,
March 18 at 2300 UTC.
Race starts: Feb 05th 11:00 Registration Closed
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