Sleepless in Melbourne – warmth, humidity and rainfall set new January information for Victoria

Sharing is caring!

BOM: Common Tmin deciles for January

Sleepless in Melbourne? January was a heat one for Melbourne regardless of presence of La Nina (ENSO) which normally cools international temperatures marginally. 

The development was significantly noteable with report imply minimal temperatures for Melbourne and most of Victoria this 12 months. Victoria’s January imply minimal temperatures are rising sooner than imply most temperatures. 

There was additionally report humidity for January for many of Victoria. Report rainfall was additionally recorded in north east Victoria.

It appears there will probably be tons extra sleepless January nights in retailer for us all in Melbourne in future years.

Temperature information

🌡️Melbourne imply minimal temperature for January 2022 (18.3 levels) highest on report, about 4 levels above the long-term common. 

🌡️Melbourne had most 30C plus days in a month = 17, equalling January 1974 report. (Supply: @BOM_vic on twitter)

Whereas Melbourne’s hottest day was 37.1C, there have been no days over 40C, and solely 2 exceeding 35C in January. A low depth heatwave produced a collection of days over 30C (17 in complete) and heat nights typically hovering round or over 20C for a lot of the night time. 

Melbourne’s imply common variety of days  ≥ 30C is 8.6, and three.8 days ≥ 35C for January.

BOM: timeseries for Tmax for January 2022 (Olympic Park) through twitter

BOM: Timseries for January Victoria Minimal temperatures 1910-2022
BOM: Minimal temperature deciles for Victoria for January 2022 

Humidity (Vapour Stress)

Humidity was additionally excessive setting new January information for 9am and 3pm common Vapour Stress for Melbourne and Victoria.

Melbourne set information for humidity throughout January 2022. Excessive temperatures (17 days >30C) plus Excessive humidity poses excessive severe heathealth dangers for many individuals.

BOM Vapour Stress Anomaly (Humidity) for Victoria January 2022


Extra rain to be anticipated in a La Nina 12 months, however local weather change additionally supercharges the hydrological cycle, provides to atmospheric moisture carrying capability (7% for every 1C of warming) 

New rainfall information had been set in north East Victoria in January.

Albury (306mm), Rutherglen (274mm) and Wodonga (269mm) all recorded their wettest ever month – roughly 6 to 7 occasions the month-to-month avg of 45mm, in accordance with the Bureau of Meteorology.

BOM rainfall deciles for Victoria for January 2022

That is what we have to adapt to, and worse as temperatures rise pushed by international heating.. 

We have to be lowering greenhouse fuel emissions as quick as attainable to forestall locking in even higher warmth well being impacts.

Warmth Well being impacts and response

Latest analysis by Longden et al (2020) articulates that there could also be on common 3000 warmth associated deaths every year in Australia, most of which fail to be adequately reported by means of coronial information or loss of life certificates. 

Practically all these deaths are extremely preventable. 

Dr Richard Yin from Docs for the Atmosphere has eloquently described the impacts of accelerating warmth occasions on well being in an article within the Murdoch press that attracts upon the Longden analysis conclusions.

Supply: The Lancet: Longden et al, Might 2020

“Nationally all-cause mortality elevated by two p.c throughout heatwaves.” is one statistic from a multi-agency Australian report on warmth wave and impression on well being and mortality produced in March 2021. The suggestions of this report highlighted:

  • The necessity for cross-agency collaboration for sharing of experience, and amassing proof regarding weak folks and locations important for efficient coverage, planning, and interventions
  • spatial focused interventions be recognized so warnings, focused response plans, and different outreach strategies may be customised for particular locations and segments of the inhabitants.

A current examine by Coates et al (2021) examined coronial information of warmth associated deaths highlighted within the dialogue that there’s presently: 

  • no nationwide framework for heatwaves, 
  • no constant planning nationwide at native authorities degree to attach with weak teams. 
  • no detailed danger administration processes for heatwave in Australia.

That is regardless of Coates et al (2014) figuring out that heatwaves and excessive warmth occasions trigger extra deaths than some other pure hazard occasion, excepting pandemics. 

Traditionally, heatwaves are Australia’s most harmful pure hazard by way of lack of life. This examine analyses statistics of fatalities related to heatwaves in Australia from 2001 to 2018 as famous by a Coroner. Not less than 473 heat-related deaths had been reported to a Coroner throughout the interval of analysis, of which 354 occurred throughout heatwave situations and, of those, 244 inside buildings. Most indoor heatwave fatalities occurred in older housing inventory. There was no total development within the quantity or charge of fatalities however, quite, a report of typically low numbers with periodic excursions into very excessive numbers. Virtually two-thirds (63%) of heatwave fatalities occurred throughout two extreme heatwave years: 2009 and 2014. The report was dominated by male fatalities. The chance of dying in a heatwave elevated with age, socio-economic drawback, social isolation, geographical remoteness, the presence of disabilities (bodily or psychological) and a few prescribed drugs and the absence or non-use of air-con or different constructing warmth safety. Different danger components and behaviours had been examined and suggestions to lower future heatwave deaths prompt. – ABSTRACT – Heatwave fatalities in Australia, 2001–2018: An evaluation of coronial information

We’ve nationwide, state and even native plans for response to bushfires, cyclones, floods, however a restricted haphazard response to addressing warmth well being and warmth associated mortality from warmth occasions.


Leave a Comment

Your email address will not be published.

3 × three =

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

You may also like

Read More