1972–73 Australian region cyclone season

Tropical Cyclone Ivy-Beatrice

Tropical Cyclone Ivy developed over the eastern Indian Ocean on December 7. The cyclone entered the southwest Indian Ocean basin after crossing 80°E and was renamed Beatrice.

Severe Tropical Cyclone Jean

On January 10, Jean developed northwest of Western Australia. It strengthened into a Category 4 severe tropical cyclone, before being last noted on January 17.

Severe Tropical Cyclone Kerry

At Wickham on 21 January 1973 more than 30 houses were partly unroofed and some houses received major damage. There was no damage to buildings in Dampier, Roebourne or Karratha as the cyclone crossed the coast well to the east. Kerry passed close to a number of oil-drilling rigs causing damage and lost productivity time that cost over one million dollars. Maximum recorded gust was 140 km/h at Cape Lambert.

Tropical Cyclone Leila-Gertrude

Tropical Cyclone Leila formed offshore Western Australia on January 21. Moving generally westward, the storm crossed 80°E on January 23 and was renamed Gertrude.

Severe Tropical Cyclone Adeline

Tropical Cyclone Adeline developed in the Gulf of Carpentaria on January 27. Moving south-southwestward, Adeline made landfall near the Northern Territory-Queensland border, shortly before dissipating on January 29.

Tropical Cyclone Maude

Tropical Cyclone Maude existed offshore Western Australia from January 28 to January 31.

Tropical Cyclone Kristy

Tropical Cyclone Kristy developed southwest of the Solomon Islands on February 24. Heading generally southward, Kristy dissipated well east of New South Wales on March 1.

Severe Tropical Cyclone Leah

The next system, Cyclone Leah, formed near the coast of Western Australia on February 27. Moving southwestward, Leah eventually dissipated on March 11.

Severe Tropical Cyclone Madge

Cyclone Madge originated in the vicinity of the Solomon Islands on February 28. Tracking west-southwestward, Madge struck the Cape York Peninsula early on March 4. By late the following day, the cyclone made landfall near Numbulwar, Northern Territory. Moving across Northern Territory and Queensland, Madge emerged into the Indian Ocean on March 10. The storm headed generally westward for the next several days, until dissipating on March 18.

Severe Tropical Cyclone Nellie

On March 13, Cyclone Nellie formed offshore Queensland. It moved generally west-southwestward before dissipated on March 23.

Tropical Cyclone Bella

Cyclone Bella developed over the Arafura Sea on March 20. It struck North Territory before dissipating on March 25.

Tropical Cyclone Paula

The next system, Cyclone Paula, formed southwest of Indonesia on March 26. Paula moved southwestward and dissipated about six days later.

Tropical Cyclone Roma

Cyclone Roma existed from April 18 to April 23.

Unnamed Severe Tropical Cyclone

The strongest tropical cyclone of the season, developed in the Banda Sea on April 26. The storm peaked with a barometric pressure of 950 mbar (28 inHg). The storm struck the island of Flores before dissipating on April 29.

Severe Tropical Cyclone Marcelle

Marcelle, the final tropical cyclone of the season, developed well west of Indonesia on April 29. The storm struck near Busselton, Western Australia late on May 7. Marcelle dissipated well south of Australia about two days later.