Snow has fallen on the Central and Northern Tablelands of NSW today as a pool of cold air spreads across the state. The frigid air mass is travelling north from the alps where it produced some of the best snow so far this season yesterday and last night. Some of the main ski resorts in Victoria and NSW received 15-30cm of snow during the 24 hours to 9am today. Snow has also settled near Jenolan Caves in central NSW and on the Barrington Tops, north of Newcastle, this morning. This week's snow comes after a fairly slow start to the Australian snow season. As of last Thursday, the snow depth at Spencers Creek, located between Perisher and Thredbo, was just below 60 centimetres. This was about 30cm below the long-term average at this time of year. Fortunately, this week's cover will partially make up for the early-season deficit. Looking ahead, another cold front will sweep over Tasmania tonight and clip Victoria on Thursday, bringing another burst of cold, wet and windy weather, along with more snow. A Road Weather Alert, Bush Walkers Alert and Sheep Graziers Warning have been issued in Tasmania for tomorrow. Snow is expected to start falling tonight and could lower down to 400 metres above sea level on Thursday. The front will bring another dusting of snow to the alps on Thursday and will be accompanied by brisk winds as it reaches the mainland. A Severe Weather Warning is in place for damaging winds in parts of Victoria's Gippsland region tomorrow. A high pressure system will drift over the nation's southeast from Friday, allowing wind to ease and skies to become clearer. These conditions, combined with cold air lingering behind this week's procession of cold fronts, will cause widespread frost on Friday and Saturday mornings.