What’s all this wet stuff falling out of the sky ?

The Bureau of Meteorology warns that, at 9:55 pm, severe thunderstorms were detected on weather radar near Craigieburn, St Albans and Werribee. These thunderstorms are moving towards the east. They are forecast to affect Caulfield, Dandenong, Footscray, Frankston, Glen Waverley, Greensborough, Melbourne City, Preston, Ringwood and Rosebud by 10:40 pm and Healesville, Pakenham and Phillip Island by 11:25 pm.

Hmm, I think this is what they mean..