Sail-World.com : Volvo Ocean Race: North or East? That is the Question.
Volvo Ocean Race: North or East? That is the Question.
Overall race leaders Team Telefónica extended their Leg 7 advantage to nine nautical miles on Thursday, as a pair of high pressure systems threatened to create a north-south split in the fleet.
However at 1300 UTC both Telefónica and second placed Groupama were being closed down by rapidly charging third and fourth placed Abu Dhabi and Puma, 18 and 21 nautical miles (nm) behind respectively. Fifth placed Camper were the biggest gainers, taking 41 nm out of their distance to lead total. Sixth place team Sanya also closed up significantly, moving to within 66 nm of the lead.
The shortcomings of the system used by Volvo Ocean Race to calculate the leaderboard are best demonstrated by the graphic below, as the bulk of the fleet head north to escape a light winds area to the right - into which Telefonica has elected to take a punt. Using the VOR system of taking the snap-shot of who is closest to the finish in terms of distance, of course Telefonica with this course will show as the leader. However in terms of time taken to finish in Lisbon, there could well be a different picture. In fact, using the routing and finish time projection feature of Predictwind, over the last couple of days, the indications are that the fleet is very tightly grouped in terms of finish time as the boats to the west (left of the graphic) had stronger winds but more distance to sail, while the boats on the right had a shorter distance, but lighter winds - which means reduced boatspeed.
Indeed, if a line is moved vertically from right to left, the boats positions will be in the order as recorded by VOR, and any boat which breaks east early will show a jump on the leader board, which may not be the case when projected finish times are calculated, using the wind forecasted ahead of the boats in the fleet. A small difference in boats position can make a significant difference in terms of winds and sea state - affecting finish times.
But we digress. Having missed an opportunity to hook into an easterly moving cold front, the crews now have no option but to head north to swerve around the semi-permanent Azores High weather system, Race meteorologist Gonzalo Infante said.
The split could come as the teams negotiate a new high pressure that is also moving east from Newfoundland, with Pum and Camper and Team Sanya looking more likely to choose the northerly option, skirting closest to the ice exclusion zone put in place by the race organisers.
'They will likely head around the top of the new high, mostly in downwind conditions,' Infante said, adding that Telefónica, Groupama sailing team and Abu Dhabi Ocean Racing were more likely to stay south and sail upwind through the bottom of the high before the boats converged again in around five days' time.
Telefónica navigator Andrew Cape said that given the unpredictability of the weather, the Spanish team had been focusing primarily on maximising their boat speed.
'It’s been a funny old weather pattern out here,' Cape said. 'It’s been pretty patchy, so we’ve just sailed the boat as hard as we could.
'We did have to do a lot of sail changes. I don’t think there was a watch where there wasn’t a sail change, but the guys are just so keen to do whatever it takes to get to the front and they’ve been rewarded for that. It’s all good news.'
Cape said the coming days could easily undo all their good work but declared himself content with their positioning.
Current fleet positions, showing most of the fleet heading north, with Telefonica (Turquoise track) shown as heading east and therefore closer in terms of distance to the finish. - PredictWind.com
'There’s too many little tricks up ahead to know what’s going to happen but we’ll keep pushing, and we’re very happy,' he said. 'It will be very interesting. We’re certainly where we want to be and hopefully it will all come together from here.'
Team Sanya watch captain Richard Mason believes the northerly option to be the safest route through the high pressure systems and expects his team to head that way for around a day and a half to avoid the clutches of the light wind zone.
'There was a chance that on the easterly route we’d have been able to nip through the high, but that chance disappeared,' Mason said. 'So now we have to find a safe way to get north, wait for the high to redevelop and scoot round the top of it. Anyway, that’s what we think is going to happen.'
Mason said the Sanya crew welcomed the onset of unstable conditions which could give them a chance to steal a march on the fleet from behind.
'It does present plenty of options and we have managed to pull a few miles back on the guys in front which is always heartening,' he said.
'We don’t see the forecast as a problem as such as it creates a lot of opportunities. We just need to pick our way through and turn them to our advantage.
'The guys at the front are constantly looking over their shoulders and will be looking to cover one another. They’re not going to be too worried about us if we go off in a different direction and bang the corner.'
Abu Dhabi skipper Ian Walker said hopes of a direct route to Lisbon had now evaporated with the arrival of the new high pressure from the north.
'It was a dream scenario -- a very direct and downwind route that avoided the ice gates to the north,' Walker said. 'Sadly, reality is now being faced by the fleet as we gybe north one by one.
'Ahead of us we face a very light wind high pressure zone to cross, a day of upwind sailing, much colder temperatures and a few more days at sea.'
Walker said there could well be a leg leaderboard reshuffle coming.
'I suspect we could see a real shake up in the standings with some big gains and losses,' he said. 'The navigators and skippers will have their hands full as this tricky and rapidly evolving weather unfolds in front of them.
'All of a sudden Lisbon feels a lot further away from us than it did 24 hours ago.'
Latest estimates have the leading boats arriving in Lisbon on or around May 31.
by Sail-World and Volvo Ocean Race
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7:59 PM Thu 24 May 2012GMT
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