Source: Bureau of Meteorology

For people in parts of Snowy Mountains and Australian Capital Territory Forecast Districts.

Issued at 10:18 am Tuesday, 12 September 2017.

ALPINE GALES TUESDAY

Weather Situation: Strengthening northwesterly winds ahead of an approaching cold front.

DAMAGING WINDS, averaging 60 to 65 km/h with peak gusts in excess of 90 km/h are expected in the alps above 1200 metres today.

DAMAGING WINDS, averaging 80 km/h with peak gusts in excess of 110 km/h are expected for areas above 1900 metres.

Winds are expected to ease later in the afternoon.

BLIZZARDS are possible.

The National Parks Service of NSW recommends that people consider postponing back country travel until conditions improve.

Locations which may be affected include Jindabyne, Perisher Valley, Charlotte Pass and Thredbo.

At 318am Thredbo Top Station recorded a wind gust of 109km/h.

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 on 131 388, or Endeavour Energy on 131 003 or Essential Energy on 132 080, as shown on your power bill.
* For emergency help in floods and storms, ring your local SES Unit on 132 500.