valencia sailing conditions april 2007
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Valencia sailing conditions: April 2007

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Valencia sailing conditions: April 2007. The facts. The big question Is Valencia a bad venue, or is April 2007 just an extremely bad month? This is the data we use for wind analysis Most accurate data available MDS weather buoys 2005-2007 Puertos weather station 2000-2004

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Presentation Transcript
the facts
The facts
  • The big question

Is Valencia a bad venue, or is April 2007 just an extremely bad month?

  • This is the data we use for wind analysis
    • Most accurate data available
    • MDS weather buoys 2005-2007
    • Puertos weather station 2000-2004
    • Puertos station calibrated to buoys
    • Data used from 15:00-17:00
    • Wind limits 7-23 knots
auckland percentage of sailing days
Auckland: percentage of sailing days
  • Analysis conducted by CSIRO
  • Criteria:
  • 12:00-15:00
  • 7 – 23 knots
  • AXYS Buoy Jan. 2001 – Mar. 2003
  • 35 – 50% sailing days in summer months in Auckland
  • Endeco Buoy Jan. 1997 – Mar. 2000
  • 35 – 55% sailing days in summer months in Auckland
april 2007

Race

Race

April 2007

Almost 11 consecutive days !

LVC Start

summary
Summary
  • April 2007 was an extremely bad month with almost half the number of sailing days than usual
  • Analysis has been done with the best available data and would stand up to independent scrutiny
  • Suitability of Valencia as a sailing venue should not be judged on one extremely rare meteorological event
what makes wind in valencia
What makes wind in Valencia?
  • Gradient Vs Sea breeze
  • Need favorable gradient wind for sea breeze
    • Southerly gradient gives the strongest sea breeze
    • North-easterly gradient gives weakest sea breeze
  • Thermal effect, especially over the mountains
    • Warm over land, cool over sea
atmospheric block
Atmospheric ‘block’
  • Occurs mainly over Europe in the winter and spring
  • Stable pattern – hard to break
  • Position can change
    • It makes a significant difference to the weather
  • Very hard to predict when the ‘blocks’ form and when they will disappear!
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