Frost protection advice and wind machine placement

Decisions concerning frost protection can be made scientifically. The expansion of orchards and vineyards into increasingly challenging environments places a greater emphasis on quantifying risk before you develop and ensuring frost mitigation is positioned correctly and is reliable. Climate Consulting has been delivering site-specific detailed reports to clients in New Zealand and Australia for over 15 years. Stu insists that implementing the most effective method of frost protection together with correct placement saves clients substantial money and anxiety.

Onsite testing of inversion strengths, katabatic wind drift speed and direction, and a map of expected minimum temperature deviation (frost) enables precision placement and ensures optimal performance of frost mitigation. Onsite testing can be carried out any time of the year with typical data collection times of around 4 weeks. Following data analysis the comprehensive report provides recommendations on the most effective type and placement of frost protection. Reporting costs are governed primarily by the size and complexity of study area. 

The methodology used by Stu Powell at Climate Consulting can be applied  to any frost or cold sensitive crop anywhere in the world.

Frost Forecast

Area-specific frost forecasts are provided for the Marlborough and Waipara wine growing regions. Forecasts commence in mid-September and continue till the end of November each spring. The forecasts break over the summer but resume in mid-March and continue through the harvest period until the end of April. Forecasts are emailed daily to subscribers and text warnings are issued in the event of frost or near-frost conditions.

Minimum temperatures are predicted for 9 wine growing areas in Marlborough and 1 in north Canterbury (Waipara). Detailed forecasts are provided for the first 3 days, while a graph of upper atmospheric conditions (thickness levels) provides an extended outlook to day 7. Forecasts are issued at 9am each morning during forecasting periods. Amendments are issued by text to cell phones between 3:30 – 4:30pm, should predicted conditions change from either no frost to frost, or frost to a no frost scenario.

Cost of the forecasting basic service is $695 +gst for the growing season. Subscribers are welcome to call to discuss the forecast during normal working hours.

Frost Forecast

Area-specific frost forecasts are provided for the Marlborough and Waipara wine growing regions. Forecasts commence in mid-September and continue till the end of November each spring. The forecasts break over the summer but resume in mid-March and continue through the harvest period until the end of April. Forecasts are emailed daily to subscribers and text warnings are issued in the event of frost or near-frost conditions.

Minimum temperatures are predicted for 9 wine growing areas in Marlborough and 1 in north Canterbury (Waipara). Detailed forecasts are provided for the first 3 days, while a graph of upper atmospheric conditions (thickness levels) provides an extended outlook to day 7. Forecasts are issued at 9am each morning during forecasting periods. Amendments are issued by text to cell phones between 3:30 – 4:30pm, should predicted conditions change from either no frost to frost, or frost to a no frost scenario.

Cost of the forecasting basic service is $695 +gst for the growing season. Subscribers are welcome to call to discuss the forecast during normal working hours.

Climate Data Analysis

Climate data from temperature data loggers and weather stations can be quickly summarised into user friendly reports. Typical reporting may analyse growing degree days, frost risk, wind exposure and rain events. Comparisons can be made between long-term automatic weather stations and other sites of interest. The concise report formats are tailored for insurance purposes, banks, investors, and vineyard or orchard managers.

Frost alarms and vineyard weather stations

Climate Consulting recommend frost alarms and weather stations purchased from Harvest Electronics. Climate Consulting has used Harvest Electronics weather stations since 2005. Weather stations are custom built to suit standalone requirements or accept data from multiple long-range remote transmitters.

Frost alarms and vineyard weather stations

Climate Consulting recommend frost alarms and weather stations purchased from Harvest Electronics. Climate Consulting has used Harvest Electronics weather stations since 2005. Weather stations are custom built to suit standalone requirements or accept data from multiple long-range remote transmitters.

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