Source: Bureau of Meteorology

For people in Illawarra, Snowy Mountains and parts of South Coast, Central Tablelands, Southern Tablelands and Australian Capital Territory Forecast Districts.

Issued at 4:12 pm Monday, 22 July 2019.

Weather Situation: Vigorous northwesterly winds to develop over the south east of the state ahead of a strong winter cold front.
DAMAGING WINDS, averaging 80 to 90 km/h with peak gusts in excess of 120 km/h are expected to develop for areas above 1900 metres from later tonight and to continue during Tuesday.

DAMAGING WINDS, averaging 60 to 70 km/h with gust in excess of 90 km/h are possible to develop below 1900 metres from mid-morning Tuesday, beginning around elevated parts of the Snowy Mountains, Southern Tablelands, ACT, Illawarra and far eastern South West Slopes and extending to parts of eastern Central Tablelands by late Tuesday and into early Wednesday.

BLIZZARDS are likely from Tuesday about the Alpine. The NSW National Parks and Wildlife Service recommends that back country travel be postponed until conditions improve.

Locations which may be affected include Thredbo, Nowra, Bowral, Braidwood, Katoomba, Goulburn, Cooma, Bredbo, Adaminaby and Nimmitabel.

The State Emergency Service advises that people should:
* Move vehicles under cover or away from trees.
* Secure or put away loose items around your house, yard and balcony.
* Keep at least 8 metres away from fallen power lines or objects that may be energised, such as fences.
* Report fallen power lines to either Ausgrid (131 388), Endeavour Energy (131 003), Essential Energy (132 080) or Evoenergy (131 093) as shown on your power bill.
* For emergency help in floods and storms, ring your local SES Unit on 132 500.