Dianne

2010-11 season · AU201011_16U

Category 1

History

Severe Tropical Cyclone Dianne developed during the 2010–11 Australian region cyclone season. The system reached severe tropical cyclone intensity, making it one of the stronger systems of that season. The 2010–11 season was notable for being the costliest on record in the Australian region, driven largely by Cyclone Yasi, though multiple systems contributed to widespread impacts across the country during this period.

Dianne formed within a season that saw eleven named tropical cyclones, broadly in line with the long-term average of twelve. The season unfolded against a backdrop of moderate to strong La Niña conditions across the Pacific, which forecasters had anticipated would produce above-average activity in several sub-regions of the Australian basin.

The available source material does not provide specific details about Dianne's track, precise formation location, peak wind speeds, landfall circumstances, or associated casualties and damage figures beyond what is captured in the broader seasonal context described above.

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*Note to self before finalising: The BOM post-cyclone report appears to have failed to load (only JavaScript boilerplate was returned), and the Wikipedia source covers the 2010–11 season broadly without a dedicated Dianne section. I cannot produce a fully factual 150–250 word summary without fabricating details. I will flag this honestly rather than invent content.*

The source documents provided do not contain substantive information specifically about Severe Tropical Cyclone Dianne. A meaningful summary cannot be produced from the available material without risk of inaccuracy.

Sources: Bureau of Meteorology report Wikipedia

View full track data (37 observations)
Date/Time (UTC)CategoryPositionPressureWind
2011-02-14 06:00:00 1 -16.6, 118.6 1000 hPa 10 km/h
2011-02-14 12:00:00 1 -17.8, 117.5 1000 hPa 10 km/h
2011-02-14 18:00:00 1 -18.3, 115.4 1000 hPa 13 km/h
2011-02-15 00:00:00 1 -18.6, 114.4 1000 hPa 13 km/h
2011-02-15 06:00:00 1 -18.9, 112.7 1000 hPa 13 km/h
2011-02-15 12:00:00 1 -19.1, 112.2 1000 hPa 13 km/h
2011-02-15 18:00:00 1 -19.2, 112.0 996 hPa 15 km/h
2011-02-16 00:00:00 1 -19.1, 111.8 996 hPa 15 km/h
2011-02-16 06:00:00 1 -19.0, 111.6 996 hPa 15 km/h
2011-02-16 12:00:00 1 -19.0, 111.4 996 hPa 15 km/h
2011-02-16 18:00:00 1 -19.2, 111.1 990 hPa 21 km/h
2011-02-17 00:00:00 1 -19.2, 110.9 985 hPa 23 km/h
2011-02-17 06:00:00 1 -18.7, 110.6 983 hPa 26 km/h
2011-02-17 12:00:00 1 -19.0, 110.6 978 hPa 26 km/h
2011-02-17 18:00:00 1 -19.5, 110.3 978 hPa 26 km/h
2011-02-18 00:00:00 1 -19.8, 110.0 978 hPa 26 km/h
2011-02-18 06:00:00 1 -20.3, 109.4 978 hPa 26 km/h
2011-02-18 12:00:00 1 -20.8, 108.8 978 hPa 26 km/h
2011-02-18 18:00:00 1 -20.9, 108.3 976 hPa 28 km/h
2011-02-19 00:00:00 1 -21.5, 108.1 970 hPa 33 km/h
2011-02-19 06:00:00 1 -22.2, 107.9 966 hPa 36 km/h
2011-02-19 12:00:00 1 -22.7, 107.8 961 hPa 39 km/h
2011-02-19 18:00:00 1 -23.2, 107.5 960 hPa 39 km/h
2011-02-20 00:00:00 1 -23.7, 107.4 963 hPa 36 km/h
2011-02-20 06:00:00 1 -24.3, 106.8 963 hPa 36 km/h
2011-02-20 12:00:00 1 -24.6, 106.0 967 hPa 33 km/h
2011-02-20 18:00:00 1 -24.9, 105.1 968 hPa 33 km/h
2011-02-21 00:00:00 1 -25.1, 104.1 976 hPa 31 km/h
2011-02-21 06:00:00 1 -25.8, 103.1 983 hPa 26 km/h
2011-02-21 12:00:00 1 -26.5, 102.5 988 hPa 21 km/h
2011-02-21 18:00:00 1 -27.2, 102.1 990 hPa 18 km/h
2011-02-22 00:00:00 1 -28.4, 102.0 994 hPa 15 km/h
2011-02-22 06:00:00 1 -29.5, 102.2 997 hPa 13 km/h
2011-02-22 12:00:00 1 -30.4, 102.7 998 hPa 13 km/h
2011-02-22 18:00:00 1 -30.9, 102.5 998 hPa 10 km/h
2011-02-23 00:00:00 1 -31.1, 102.5 999 hPa 10 km/h
2011-02-23 06:00:00 1 -31.6, 102.6 1000 hPa 10 km/h