The rainfall radar, precipitation type (rain, sleet, snow), and lightning images are refreshed every 15 minutes. The other data every 30 minutes.
Use the Play and Pause buttons to animate the rain, precipitation (weather) type* and lightning images for the last 3 hours. This will not be available when you Display data selections from the Latest +- options.
Use the slide bar and forward and backwards buttons to view rainfall and lightning images for the last 3 hours. This will not be available when you Display data selections from the Latest +- options.
Choose whether to display rainfall, precipitation (weather) type* and lightning overlays or just one of them. After making your selection press Display. The slide bar and forward and backwards buttons will be available.
* If no sleet or snow is detected the precipitation (weather) type image will look the same as the standard rain image. You can tell you're viewing this by checking the bottom left corner of the map where it will say 'Precipitation Type ©www.theweatheroutlook.com'.
Choose one or more current condition overlays and then press Display. Rain, lightning, temp, wind, dew point, pressure and weather are available.
The slide bar and forward and backwards buttons will not be available.
Select lock or unlock. By default lock is on. Switching lock off will add zoom controls to the Google map, and enable you to use your mouse wheel to set the zoom level.
The opacity control only applies to the rainfall and lightning strike images. A higher value will make the image brighter but make it more difficult to read text on the map and other overlays.
Go directly to any rainfall radar image from the last 10 days. Expand using the Show radar archive button. Once expanded use the Hide radar archive button to collapse.
Select from the Last 3 hours +- section and Display. See the key above for rainfall colours. Any detected sleet or snow is shown in the colours below.
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