2012–13 Australian region cyclone season

The Australian cyclone season 2012-2013 was officially launched on November 1, 2012, and ended on 30 April 2013. Operating plan of the World Meteorological Organization looks for the waters in the southern hemisphere in addition a "tropical cyclone year " before. This began on 1 July 2012 and will end on 30 June 2013.

Part of the Australian cyclone season storms that form south of the equator, between the 90th and 160th degree of east longitude. This includes Australia, Papua New Guinea, the western part of the Solomon Islands, East Timor and the southern areas of Indonesia. Tropical cyclones in this area are from Tropical Cyclone Warning Centres five ( TCWCs ) monitors: the Bureau of Meteorology in Perth, Darwin and Brisbane in Australia; the TCWC Jakarta in Indonesia and the TCWC Port Moresby in Papua New Guinea.

The Joint Typhoon Warning Center gives this region from unofficial warnings that are intended for U.S. institutions. The extension " S" is used when the storm is west of 135 ° E, and a "P ", if this is happening east of this line.

• 3.1 TCWC Jakarta
• 3.2 TCWC Port Moresby
• 3.3 TCWCs in Perth, Darwin and Brisbane

Storms

Tropical cyclone Mitchell

On December 27, about 805 km Western Australia formed north- north-west of Karratha, a tropical depression. This quickly developed and the JTWC issued the next day a Tropical Cyclone Formation Alert. On the same day it also published the first warning to the system and classified it into a tropical storm up. A day later, on December 29, the TCWC Perth updated the system to a tropical cyclone, which was given the name Mitchell, reaching sustained winds of 75 km / hr. However, the cyclone was able to maintain this status only briefly and was downgraded already on 30 December to a tropical depression and was still observed until 1 January TCWC from Perth.

Tropical cyclone Freda

On December 26, RSMC Nadi started to observe the tropical disturbance that has formed northeast of the Solomon Islands. Still lying in the South Pacific basin, special bulletins were issued to the system already on the same day from TCWC Brisbane. On December 28, the system had organized so far as to become upgraded to a tropical cyclone Freda. After Freda moved to the Australian area of ​​responsibility on December 29, the cyclone continued wind speeds reached around 100 km / h and a minimum air pressure of 980 hPa Just a few hours later, Freda left, however, due to a tensile direction to the southeast again the responsibility of Australia and moved again to the South Pacific.

Severe Tropical Cyclone Narelle

On January 4, in formation of a tropical depression over the Timor Sea. Over the following days, the system gradually moved westward and was updated on January 8, the tropical cyclone Narelle. After Narelle moved south in an area of ​​good conditions for further development, the storm intensified into a tropical cyclone heavy. The cyclone reached its peak on January 11, with 1 -minute wind speeds of 215 km / h, which corresponds to a Category 4 cyclone. By 14 January, Narelle weakened steadily and was on January 15, eventually becoming a extratropical remnant low.

Tropical Depression 06U

On 12 January, the TCWC Darwin announced the formation of a tropical lows over the Arafura Sea. The depth was observed on the next day with a minimal air pressure of 1004 hPa. On January 16, it was completely dissolved.

Tropical cyclone Oswald

On January 17, developed into an area of low pressure air over the Gulf of Carpentaria. Situated in an area of light wind shear and high sea surface temperature, the system was able to increase gradually. The following day the TCWC Darwin began with the observation of the area and upgraded it to a tropical depression. Early on January 19 this went south-west of Borroloola, Northern Territory on land. The following day, the deep made ​​a complete loop over land and moved back into the Gulf of Carpentaria. After the system was back on the water, it began to rapidly form a circulation and received on January 21, the name Oswald. On the evening of the same day Oswald went on Queensland Country and the TCWC Brisbane issued the final warning to the storm.

Tropical cyclone Peta

On January 20, in formation of a tropical depression over the Kimberley, Western Australia. The following day the JTWC Tropical Cyclone Formation Alert a published to the low. About 24 hours later, the JTWC issued the first warning to the system. Early on January 23, the system from TCWC Perth was upgraded to a Category 1 cyclone and got the name Peta. During the day Peta began to move south and went at noon on Western Australia on land. In the afternoon the TCWC Perth issued the final warning to Peta.

Severe Tropical Cyclone Rusty

On February 22, reported the TCWC Perth that has north of Kimberley formed a tropical depression.

Tropical Depression 11U

Early on 22 February reported the TCWC Perth the formation of a tropical lows over the Indian Ocean, about 500 km east- southeast of the Cocos Islands. Over the next few days the low moved slowly to the northwest and then to the south and passed about 120 km to the east past the Cocos Islands.

Severe Tropical Cyclone Sandra

On March 5, developed on the coast of Queensland, about 400 km east- northeast of Townsville, a tropical depression.

Tropical cyclone Tim

On March 10, the TCWC Darwin announced the formation of a tropical lows over the Arnhem Land.

Tropical Depression 15U

On March 17, reported the TCWC Perth, south of Indonesia that has formed a very weak tropical depression.

Tropical Depression 16U

On 25 March, a weak tropical depression began to develop over the Arafura Sea.

Severe Tropical Cyclone Victoria

On 7 April, the TCWC Perth began to observe a tropical depression, which was located in the area of ​​responsibility of TCWC Jakarta. Over the next few days the low moved slowly towards the south-southeast, reaching the morning of April 9, the responsibility of the TCWC Perth.

Tropical Depression

On April 10, was on the eastern Arafura Sea a weak tropical depression.

Tropical cyclone Zane

On 27 April, the TCWC Brisbane announced the formation of a tropical lows 700 km east-southeast of Port Moresby, Papua New Guinea. Late on 29 April, it was upgraded to a tropical cyclone and was named Zane.

Other storms

On 18 December, 265 km northeast of the Cocos Islands formed a tropical depression. This depth was observed until 21 December. The TCWC Brisbane announced on January 30 the formation of a tropical lows about 1000 kilometers east of Cairns. The following day the low was observed for the last time. On February 6, reported the TCWC Perth that a tropical depression has formed over the Indian Ocean. This low left on 10 February the Australian area of ​​responsibility and moved into the Südwestindik where it later became a tropical cyclone Gino.

Season overview

Storm names

The various Tropical Cyclone Warning Center assign the names for storms that form in their respective areas of responsibility. The storms keep their names when they move from one jurisdiction to another. However, be storms that move in the area of ​​responsibility of Météo -France to Reunion, there is no longer renamed. Storms that pass from there coming into the area of ​​responsibility of TCWC in Perth, keep those allocated in the southwest Indian Ocean name. On the following lists of names are names that have not been awarded in this cyclone season, shown in light gray.

TCWC Jakarta

The TCWC in Jakarta observed tropical cyclones that form between the equator and 10 ° south latitude and between 90 ° and 125 ° east longitude. By the Australian Bureau of Meteorology storm special instructions issued in this area to support. Should a tropical cyclone within this area of ​​responsibility form, then assigns the TCWC Jakarta a name from the list below; the last assigned by Jakarta 's name was Anggrek in 2010. In the 2009-2010 season, no storm was named by the TCWC Jakarta. The next name that is used by this list, is Bakung.

• Bakung (unused)
• Cempaka (unused)
• Dahlia (unused)
• Flamboyan (unused)
• Kenanga (unused)

• Lili (unused)
• Mangga (unused)
• Seroja (unused)
• Teratai (unused)
• Anggrek (unused)

TCWC Port Moresby

Tropical cyclones that form between 10 ° south latitude and the Equator, and between 141 ° and 160 ° E are assigned names by the Tropical Cyclone Warning Centre in Port Moresby in Papua New Guinea. The formation of tropical cyclones in this area is rare during the 2007-2008 season, it was just a storm, cyclone Guba. The following list gives the names assigned by the TCWC in Port Moresby. It is unclear which is the next name that will be given. Since 2007, no more storm through the TCWC Port Moresby was named.

• Alu ( unused)
• Buri (unused)
• Dodo (unused)
• Emau (unused)
• Fere (unused)

• Hibu (unused)
• Ila (unused)
• Kama (unused)
• Lobu (unused)
• Maila (unused)

TCWCs in Perth, Darwin and Brisbane

Since the start of the cyclone season 2008-2009, the Australian Bureau of Meteorology uses only a single list of names, but still operates three TCWCs, Perth, Darwin and Brisbane. This watch all tropical cyclones that form between 90 ° and 160 ° east longitude, and give out special warnings when cyclones in the responsibilities of the TCWCs arise in Jakarta or Port Moresby. The first name that will be used this season, Mitchell is.