{"id":369015,"date":"2025-03-07T16:57:53","date_gmt":"2025-03-07T15:57:53","guid":{"rendered":"https:\/\/climatescience.press\/?p=369015"},"modified":"2025-03-07T16:57:55","modified_gmt":"2025-03-07T15:57:55","slug":"some-climate-history-including-on-cyclones-making-landfall-as-far-south-as-brisbane","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=369015","title":{"rendered":"Some Climate History, Including on Cyclones Making Landfall as Far South as Brisbane"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

From Jennifer Marohasy<\/a><\/p>\n\n\n\n

By\u00a0jennifer<\/a>\u00a0<\/p>\n\n\n\n

When it comes to extreme weather, cyclones are top of my list.   The most extreme cyclone to hit Queensland, Tropical Cyclone Mahina, was arguably the world\u2019s most intense with a central pressure recorded at 880 hectopascals, a 12-metre storm surge, and 300 kilometre per hour winds.  It was named, by Queensland government meteorologist, Clement Wragge.   That was in 1899 \u2013 126 years ago.<\/p>\n\n\n\n

Contrary to popular narratives cyclones are not becoming more intense, and their frequency is waning.  CSIRO research has confirmed a statistically significant downward trend in the annual number of tropical cyclones in the Australian region over the period extending from 1981\/82 to 2017\/18 that is during the satellite period.   The intensity of these cyclones is also in decline.<\/p>\n\n\n\n

\"\"
The number and intensity of cyclones crossing the Australian mainland is in decline but only considering the last 50 years.<\/figcaption><\/figure>\n\n\n\n

This is perhaps some comfort to those watching the approach of Tropical Cyclone Alfred in southeast Queensland and northeast New South Wales.  TC Alfred has a central pressure of 978 hectopascals (1316 UTC 6th<\/sup> March 2025) and is sustaining winds near its centre of 95 kilometres per hour with wind gusts to 130 kilometres per hour already being experienced along the coast to Lennox Heads.<\/p>\n\n\n\n

TC Alfred will pack a bad punch.  But southeast Queensland and northern New South Wales have sustained such low pressure and strong winds before.   The best idea is to make sure you have a stash of water, and also a gas cylinder.  There is nothing quite like being able to make a cup of tea on the camping stove when the mains electricity and water is not working.<\/p>\n\n\n\n

In fact, during the period 1935 to 1974 every other year there was a cyclone making landfall as far south as Brisbane and into New South Wales.  There were two cyclones making landfall as far south as New South Wales in 1934: on January 30th and then again on February 19th.   Two cyclones also made landfall in New South Wales in 1959: TC Beatrice and TC Connie.   These four cyclones are listed in a journal article by J.L. Gray et al. entitled \u2018On the Recent Hiatus of Tropical Cyclones Landfalling in NSW, Australia\u2019 published in the Journal of Southern Hemisphere Earth Systems Science <\/em>in 2020.<\/em><\/p>\n\n\n\n

\"\"
The climate follows cycles, and it is the case that there has been a hiatus of tropical cyclones making landfall near Brisbane.<\/figcaption><\/figure>\n\n\n\n

There was a period of some decades during the first half of the twentieth century when cyclones were given numbers rather than names.  That was immediately following the formation of the Australian Bureau of Meteorology and the appointment of Henry A. Hunt as its founding director on 1 January 1907.<\/p>\n\n\n\n

Headquartered in Melbourne, the first thing Hunt did was focus on consolidating \u2018the disparate\u2019 state services.  In fact, he immediately sacked Clement Wragge and some other first-class meteorologists with attitudes and also discontinued Wragge\u2019s naming of cyclones.<\/p>\n\n\n\n

Wragge was ahead of his time. Hunt did recognise the value of the white louvred boxes, now known as Stevenson screens, that Wragge began using in some parts of Queensland a good two decades before they were later installed, under Hunt\u2019s directives in New South Wales and Victoria beginning only in 1908.  So, a reliable temperature record exists back to the late 1880s for parts of Queensland, a good twenty years before the southern states.<\/p>\n\n\n\n

We know from the work of Clement Wragge, still denied by many particularly in Melbourne, that not only were the cyclones severe back in the 1890s it was also very hot sometimes.<\/p>\n\n\n\n

\"\"
It is a large system, a large cyclone, right now sitting just off shore from Brisbane.<\/figcaption><\/figure>\n\n\n
\n
\"\"
It is definitely time to put the surf boards and paddle boards away.<\/figcaption><\/figure>\n<\/div>\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

When it comes to extreme weather, cyclones are top of my list.\u00a0\u00a0 The most extreme cyclone to hit Queensland, Tropical Cyclone Mahina, was arguably the world\u2019s most intense with a central pressure recorded at 880 hectopascals, a 12-metre storm surge, and 300 kilometre per hour winds.\u00a0 It was named, by Queensland government meteorologist, Clement Wragge.\u00a0 \u00a0That was in 1899 \u2013 126 years ago.<\/p>\n","protected":false},"author":121246920,"featured_media":369016,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_crdt_document":"","advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[691818101,691833685,691833684,691833683],"class_list":{"0":"post-369015","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-uncategorized","8":"tag-cyclones","9":"tag-landfall","10":"tag-tropical-cyclone-alfred","11":"tag-tropical-cyclone-mahina","13":"fallback-thumbnail"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/03\/0campingstove-IMG_9233-2048x1536-1.jpeg?fit=2048%2C1536&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxLW1-1xZR","jetpack-related-posts":[{"id":369434,"url":"https:\/\/climatescience.press\/?p=369434","url_meta":{"origin":369015,"position":0},"title":"Cyclone Alfred","author":"uwe.roland.gross","date":"11\/03\/2025","format":false,"excerpt":"In just about every story about hurricanes, the BBC invariably include a paragraph to the effect that global warming is making them worse.","rel":"","context":"In \"Australia\"","block_context":{"text":"Australia","link":"https:\/\/climatescience.press\/?tag=australia"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/03\/0Australia_Cyclone_Alfred_March_9__2025.webp?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/03\/0Australia_Cyclone_Alfred_March_9__2025.webp?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/03\/0Australia_Cyclone_Alfred_March_9__2025.webp?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/03\/0Australia_Cyclone_Alfred_March_9__2025.webp?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/03\/0Australia_Cyclone_Alfred_March_9__2025.webp?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":369228,"url":"https:\/\/climatescience.press\/?p=369228","url_meta":{"origin":369015,"position":1},"title":"Cyclone Alfred: Climate Disaster or Inadequate Flood Control?","author":"uwe.roland.gross","date":"09\/03\/2025","format":false,"excerpt":"Cyclone Alfred, Australia\u2019s big East Coast cyclone was until recently hyped as a symptom of the climate apocalypse. 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