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SEVERE WEATHER WARNING

IDS65503
Australian Government Bureau of Meteorology
South Australia Regional Office

TOP PRIORITY FOR IMMEDIATE BROADCAST


SEVERE WEATHER WARNING

for DESTRUCTIVE WINDS and ABNORMALLY HIGH TIDES

For people in the Adelaide Metropolitan, Mount Lofty Ranges, Lower Eyre Peninsula, Eastern Eyre Peninsula, Yorke Peninsula, Kangaroo Island, Flinders, Mid North, Riverland, Murraylands and parts of the West Coast, North West Pastoral and North East Pastoral districts.

Issued at 7:07 pm Thursday, 29 September 2016.

The intense low pressure system which has impacted the State has moved into Victoria, however a vigorous west to southwesterly airstream will continue through the evening. A secondary low will push north over Kangaroo Island and central districts later this evening. This secondary low will increase the potential for locally destructive winds and rainfall later today.

Strong to gale force west to southwesterly winds of 50 to 75 km/h with gusts of 90 to 120 km/h will continue over the warning area. Locally destructive wind gusts of around 130 km/h are possible over Kangaroo Island, Yorke Peninsula and the Mid North districts during this evening.

The conditions will cause sea levels to be significantly higher than indicated on tide tables today. Sea levels along parts of Spencer Gulf and Gulf St Vincent coastlines are likely to be about one metre higher than the highest tide of the year, particularly in the Spencer Gulf.

At the Outer Harbor tide gauge, the sea level is forecast to reach about 3.4 to 3.8 metres. This may cause sea water flooding of low lying areas.
The high sea level and windy conditions will combine to generate heavy surf along exposed gulf coastlines, which may lead to coastal erosion and damage.

Damaging winds gusts of 90 to 115 km/h and winds averaging 50 to 65 km/h have been recorded at numerous locations across the State last night and today including Ceduna, Port Lincoln, Kadina, Woomera, Snowtown, Cape Borda and Mount Crawford. The highest wind gusts so far have been 115 km/h at Ceduna at 12:15 am and at Cummins at 3 am.

Locations which may be affected include Adelaide, Port Lincoln, Whyalla, Renmark and Leigh Creek.

The State Emergency Service advises that people should:
* Move vehicles under cover or away from trees;
* Secure or put away loose items around your property.
* Keep clear of fallen power lines;
* Don't drive, ride or walk through flood water;
* Stay indoors, away from windows, while conditions are severe.

The next warning is due to be issued by 10:10 pm.

Warnings are also available through TV and Radio broadcasts, the Bureau's website at www.bom.gov.au or call 1300 659 215. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.

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