Grafton Radar Notes
| Location | NSW Agriculture Research Station, Grafton |
|---|---|
| Radar Type | WSR 74 S Band |
| Typical Availability | 24 hours |
The Grafton radar has a very good view in all directions and is the primary weather radar for the North East of NSW. It should provide useful weather information as far west as Glen Innes, south to Kempsey and north to the Gold Coast. There is a tendency to observe areas of false echoes within approximately 100 kilometres of the radar over the sea. These are normally easy to recognise because they are usually the lowest intensity level and randomly scattered with erratic movement from one radar scan to the next. True rain echoes normally have a consistent direction of movement from one scan to the next. Due to its location, this radar is often unable to detect light showers or drizzle beyond a range of 100 kilometres. Although largely removed from the display, anyone to the south west of the radar (50 kilometres or more from Grafton) may find an occasional false echo generated by the mountains in this region. There is a small blind spot within a few kilometres of the radar.
About Future Radar
Future radar is a new drop-down option available on the Weatherzone radar, allowing you to see where precipitation may fall in the next 30 minutes, 1 hour or 2 hour timeframe. It is a prediction that uses past radar and satellite data to infer the movement and intensity of precipitation. This differs from observed radar which uses physical instrumentation to measure and render precipitation as it happens.
Future radar performs best with broad scale weather systems. However there are limitations in its performance when volatile convective systems develop and change within a short timeframe, as these scenarios provide local impacts that are difficult to predict in terms of speed, direction, intensity and shape.
To help visually distinguish between past timeframes and future timeframes, the radar animation will show predicted radar imagery at reduced opacity. You have the option to turn future radar on or off as it suits your needs.
Latest News
Map Legend
Lightning Heatmap
- 0.1
- 15
- 60
Lightning Strikes
- Latest
- 15 MINS AGO
- 30 MINS AGO
- 45 MINS AGO
- 60 MINS AGO
Ground Strike
Cloud to Cloud Strike
Obs Field (Rainfall - 10 mins)
- < 0.2
- < 0.6
- < 1.2
- < 2.4
- < 5
- < 10
- 10+
Obs Field (Rainfall - Since 9AM)
- < 0.2
- < 5
- < 10
- < 25
- < 50
- < 100
- 100+
Obs Field (Temperature)
Obs Field (Dew Point)
Obs Field (Wind km/h)
- 0 - 19
- 20 - 30
- 31 - 39
- 40 - 61
- 62 - 87
- 88+
Rain radar
Light
Heavy
Thunderstorm Risk
- Thunderstorms possible
- Thunderstorms likely
- Thunderstorms severe
Temperature Gradient Map
- -8 °C
- -4 °C
- 0 °C
- 4 °C
- 8 °C
- 12 °C
- 16 °C
- 24 °C
- 28 °C
- 32 °C
- 36 °C
- 40 °C
- 44 °C
- 48 °C
Warning Areas (BOM)
- SEVERE WEATHER
- FIRE
- FLOOD
- COASTAL WIND
- MISC.