Cyclone developed NE of Fraser Island and moved past Gold Coast. 60 to 70 knot winds reported from Tweed Heads to Yamba in the 24 hours to 9am 11th.Local Flash floods Brisbane to Gold Coast.

Fruit trees damaged buildings flattened Sunnybank. Small boats wrecked, buildings flattened, extensive beach erosion and roads damaged Gold Coast. Radio Mast wrecked Lytton. Widespread flooding Nerang, Albert and Logan Rivers.

In NSW Small craft lost or damaged at North Coast harbours. Bad floods Murwillumbah, Lismore, Bellingen and Grafton with many evacuations and people drowned. At 1pm 9th 2 waterspouts came ashore at Port Macquarie and left a trail of destruction. 3 men were killed when a 2 story building they were building was wrecked. 30 house were damaged. Largest 24 hr rain totals 265mm Springbrook and 227mm Lismore.

An ECL developed NE of Fraser Island and moved past the Gold Coast. Local Flash floods occurred from Brisbane to the Gold Coast. Fruit trees damaged buildings flattened Sunnybank. Small boats wrecked, buildings flattened, extensive beach erosion and roads damaged Gold Coast. Radio Mast wrecked Lytton.

Widespread flooding affected the Nerang, Albert and Logan Rivers. Average winds of 60 to 70 knot were reported from Tweed Heads to Yamba in the 24 hours to 9am 11 July 1962 (see Figures 16 and 17) . Small craft were lost or damaged at North Coast harbours. Severe flooding occurred at Murwillumbah, Lismore, Bellingen and Grafton with many evacuations and people drowned.

This event is classified as an East Coast Low.

More about East Coast Lows
Harden Up
Bureau of Meteorology website
The Centre for Australian Weather and Climate Research report