Kona Weather Season is upon us

Fall and winter season in Hawai’i brings with it frequent cold fronts (aka ‘shear lines’) that approach the islands from the north-west. Passage of a front is accompanied by characteristic wind shifts to the south and eventually, west, which can put your airmanship to the test. When was the last time you have practiced cross-wind […]

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Other Sources of Weather Information

One of the reasons I like staffing a NOAA/National Weather Service booth at aviation-related events (such as the recent Hawaii Aviation Day at the Hawaii State Capitol) is because of the questions that pilots ask.  If one person asks a question, chances are there are others out there wondering the same thing.  This article will […]

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Winds Aloft: Sources of Information

The Summer 2016 newsletter article on trade wind inversions referenced the weather balloons we launch twice a day from Lihue and Hilo, which measure winds aloft in addition to temperature and moisture.  In this article we’ll look at two additional sources of wind information:  radar wind observations and the automated winds aloft forecasts.

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Trade Wind Inversions

In the Winter 2014 newsletter, I talked about trade winds and briefly touched on trade wind inversions.  Inversions have a big impact on the weather we see in Hawaii, and knowing more about them may be of interest to pilots. What Is An Inversion? Temperature normally decreases with height in the atmosphere.  (The higher you […]

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