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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 » Sailonline Race Committee » Races

will you?
2015-03-16 17:26:18

Re: RTW start

Board » Sailonline Race Committee » 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 » Sailonline Race Committee » 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

Next Race: 00d 00h 00m

Current Races:

Pantaenius Shetland Race 2022 - Leg 2
As always, we don't spend much time in Lerwick, Shetland and after some brief but excellent celebrations we are rapidly heading back to Bergen, Norway, for the second leg of the Pantaenius Shetland Race 2022. The North Sea always provides with some exciting racing and we are sure that this race will be no different!
Race #1581
INFO from brainaid.de
First 40.7 Particulars
WX Updates:
0430 / 1030 / 1630 / 2230
RANKING: SYC - SHE
Race starts: Jun 26th 09:00 Registration Open!

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Isla St George Sprint 2022
The Bass Islands, in western Lake Erie, are a mere couple of miles west of the southernmost boundary of Canada. In this 21nm PYOC sprint, we will set off from East Harbor in our RC 44s and leave North Bass Island (historically Isle St. George) to port before quickly returning to East Harbor.
Race #1584
INFOby brainaid.de
RC 44 PARTICULARS
NAM_AWIP WX Updates:
0245 / 0845 / 1445 / 2045
Ranking: SPRQ2 - SPRCH - SUPSOL - SYC
Race starts: Jun 25th 18:00 Registration Open!

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Pantaenius Shetland Race 2022 - Leg 1
Welcome back to outer Korsfjorden, Norway, for the first leg of two in
Pantaenius Shetland Race 2022 from Norway to Shetland. Sailonline is extremely excited to be buddying-up for this amazing series which is a classic that Sailonline has had the honour of presenting to its community for some years now. We will be competing in our ever so exciting First 40.7’s which will in no doubt cater for some exciting racing. We look forward to seeing you at the start line!
Race #1580
INFO from brainaid.de
First 40.7 Particulars
WX Updates:
0430 / 1030 / 1630 / 2230
RANKING: SYC - SHE
Race starts: Jun 22nd 08:00 Registration Closed

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Newport Bermuda Race 2022

The 635-mile biennial Newport Bermuda Race is one of the oldest regularly scheduled ocean races, and with the Fastnet Race and the Sydney to Hobart Race, it is one of the three great classic races of the yachting world. Founded in 1906, this the 52nd running of the Bermuda Race can also be participated in online.
Entries are invited for one of the four divisions:
Double-Handed Division:
Jeanneau Sun Fast 3300
St. David's Lighthouse Division:
First 44.7 Asymmetric
Gibbs Hill Lighthouse Division:
Reichel Pugh 64
Finisterre Division:
Delphia 47
Details for each yacht are available in the ‘Particulars’ links below and be sure to register your online choice on the Bermuda Race Online link – there are some fine prizes to be won.
As in real life, you can only sail one boat in one division, so choose your virtual yacht carefully, and because of the unusual (for SOL) 4-division nature of the event, please note results will not count towards ANY Sailonline Rankings.
Race #1568
INFOby brainaid.de
Sun Fast 3300 PARTICULARS
First 44.7 A PARTICULARS
RP 64 PARTICULARS
Delphia 47 PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: None
Sponsors:

RACE CLOSE: Saturday,
July 2 at 2300 UTC.
Race starts: Jun 17th 17:00 Registration Closed

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Geraldton to Cape Town 2022
A race in the Southern Indian Ocean is always entertaining, especially in a Riptide 50. Traditionally the course would be West to East, to take advantage of the prevailing winds, but this time the SRC is challenging us to an E-W course, from Geraldton in Western Australia to Cape Town in South Africa. A brief 4800nm!
PRIZE: SMPF
Race #1575
INFO by brainaid.de
Riptide 50 PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking:
OCQ2 - OCCH - SUPSOL - SYC
Race starts: Jun 12th 05:00 Registration Closed

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