NIWA flies high during balloon fiesta

Among the colour and spectacle of March's Wairarapa Balloon Fiesta small but crucial flying contraption stood out from the crowd.

Known as a helikite and operated by NIWA scientists, the helikite provided vital weather information to balloon pilots before they take off.

Meteorologist Tony Bromley describes the helikite as a cross between a balloon and a kite that uses helium to achieve lift. It has a range of instruments attached to measure temperature, humidity, wind speed, wind direction and pressure which is constantly transmitted to the ground.

Raised and lowered using a winch, the helikite can be deployed up to a kilometre high in order to provide real time information for the balloon pilots. It was constantly raised and lowered throughout the fiesta taking measurements every two to three metres.

Mr Bromley said NIWA provided regular general and more localised weather forecasts for pilots to help them determine the best balloon flying times.

Despite predictions that Cyclone Lusi would disrupt the fiesta, the balloons flew over three mornings with only the Night Glow postponed.

"Overall, it was a great success for NIWA," Mr Bromley said.

"This is the first time the ballooning fraternity have had direct involvement with a forecasting service and have a real live meteorologist right with them each day." 

NIWA’s helikite was on hand at the Wairarapa Balloon Fiesta providing up-to-the-minute weather information for balloon pilots. [NIWA]

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