“The Extreme Weather Events tool enables growers to identify areas at risk of frost or heat stress so they can assess the crop and determine the likely impact on yield and quality.”

Dr Guthrie said the tool was straight forward to use and could be applied either immediately or retrospectively, days or weeks after an event.

“The user simply selects the time period, which can be a day, night or range of days, the temperature threshold and type of summary,” she said.

“From this information, a map comes up that pinpoints the matches to the criteria, as well as a table that shows the time, temperature and duration.

Extreme Weather Events Tool