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Another great reason to subscribe to iKitesurf - Windbow

 
Post new topic   Reply to topic    Northwest Kiteboarding -> Gorge / Portland / Oregon Coast
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Onad

Since 04 Mar 2005
1399 Posts
Coast<<PDX>>Gorge
XTreme Poster



PostTue Jun 21, 05 11:31 am    Another great reason to subscribe to iKitesurf - Windbow Reply with quote

Excerpt from iKitesurf.com:

Computer forecast models generally can not resolve the topography of the Gorge and hence model predicted winds are often inaccurate. However, models can predict localized air pressure changes with a great deal of accuracy and it's these pressure differences (gradients) that drive the winds through the Gorge. The below "windbow" is a tool that our Meteorologists have developed to provide a powerful quick look of model predicted gradients.

- The cumulative height of the curve is the total pressure difference across the Gorge. The higher the curve, the stronger the wind.
- Each color of the graph is the gradient contribution between 2 locations. The thicker the color, the stronger the wind.
- Westerlies are indicated by a positive gradient (above x-axis), Easterlies indicated by a negative gradient (below x-axis).

Note: This product is still in the experimental stage. Over time we will learn to correlate exact gradient values to observed winds. Idea


   Legend.jpg 
   Windbow.gif 

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Post new topic   Reply to topic    Northwest Kiteboarding -> Gorge / Portland / Oregon Coast All times are GMT - 8 Hours
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