Forecasting

EWN forecasters create a Significant Weather Forecast Map daily each morning highlighting areas of significant weather for the following 24 hours. Each area of concern is shown as a shaded polygon with a description provided of the threat.

Daily Significant Weather Forecast

 

API Forecasts include:

  • Severe Thunderstorms (wind gusts over 90km/h, large hail 2cm+, flash flooding, tornadoes)
  • Severe Winds (wind gusts over 90km/h)
  • Heavy Rainfall (rainfall that could produce flash flooding and riverine flooding)
  • Tropical Cyclone (wind, rainfall leading to flash flooding and riverine flooding, storm surge)
  • Major Fire Risk Areas (where extreme to catastrophic conditions exist)
Climate Risk Significant Risk

Example of Significant Weather Forecast issued by email.

7-day Weather Forecasts

 

The 7-day outlook provides a glimpse as to weather events that may happen over the coming week across Australia and includes the following event types:

  • Severe Thunderstorms (wind gusts over 90km/h, large hail 2cm+, flash flooding, tornadoes)
  • Severe Winds (wind gusts over 90km/h)
  • Heavy Rainfall (rainfall that could produce flash flooding and riverine flooding)
  • Tropical Cyclone (wind, rainfall leading to flash flooding and riverine flooding, storm surge)
  • Elevated Bushfire Threat

EWN can provide the 7-day weather forecast via API with each event type being sent through as a separate API.

 

Example of 7-day Weather Forecast Email

Example of 7-day Weather Forecast Email

 

Hail Forecasting

 

Our specialised Severe Weather Meteorologists use a range of high-resolution weather modelling and upper air observations to provide a detailed hail forecast. This forecast includes pinpointing via mapped polygons areas of risk across Australia including potential hail sizes expected with storms in those areas.

Hail Forecast Polygons are colour coded depending on the risk as follows:

Amber - Marginal Risk
Red - Moderate Risk
Purple - High Risk

The risk is related to the environmental set-up for that day and the potential that a Thunderstorm may develop in that area with Large Hail. Large Hail is defined as Hail above 2cm in size.

 

Example of a Hail Forecast Map

Example of a Hail Forecast Map (API will include hail details and sizes expected)

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