The Bull

Tuesday 11

December, 2018 8:07 PM


  • Sector
  • Scan

Australia records its warmest spring after blazing September

Australia records its warmest spring after blazing September

By Expert Panel 02.12.2013

By Blair Trewin, Australian Bureau of Meteorology

The spring of 2013 has been Australia’s warmest on record. Mean temperatures for the season were 1.57C above the 1961-1990 average, surpassing the previous record of 1.43C (set in 2006) by 0.14C. Daytime maximum temperatures were also the highest on record, coming in 2.07C above average and 0.24C above the previous record (also set in 2006), while overnight minimum temperatures were the fourth-warmest on record.

The warmth was most dramatic in September, which saw a mean temperature anomaly of +2.75C, setting a new monthly record by more than a degree. October was also a very warm month, 1.43C above average. Temperatures during November were closer to normal, 0.52C above average, but were still warm enough to complete a record spring.

The warmth was extensive, with virtually the entire country experiencing above-average mean temperatures for the spring. It was the warmest spring on record over an area covering most of western Queensland (sufficient to give Queensland its warmest spring on record), and extending into the eastern interior of the Northern Territory.

Records were also set on the west coast around Perth, on the east coast around Sydney, and on parts of the Nullarbor. The spring ranked in the 10 warmest on record over 83% of the country.

Strong westerly winds were a feature of the prevailing weather over southern parts of the continent during September and October. This brought unusually wet weather to western Tasmania, southwest Victoria, and southwest Western Australia — regions that are exposed to maritime westerlies.


Dark orange shows areas where mean temperatures in spring 2013 were the highest on record. Australian Bureau of Meteorology


Conversely, the same general westerly airflow brought persistently dry and hot weather to inland regions across the southeast. These conditions, combined with a record warm winter and little rainfall since July, saw significant early season fire activity in central eastern NSW in September and October.

The low soil moisture in some parts of the southeast also contributed to unusually large daily temperature ranges during October. Maximum temperatures were well above average but minimum temperatures were below average. An early start to the growing season combined with late frosts caused major crop losses in southern New South Wales and northern Victoria on 18 October.

October was also notable for heat in the northern tropics. Fitzroy Crossing in northern WA reached 40C on each of the first 29 days of the month, an unprecedented sequence at any Australian station this early in the year.


Shows the number of degrees mean maximum temperatures were above/below normal. Australian Bureau of Meteorology


The pattern of westerlies broke down around the end of October, and most of November was dominated by easterly flow. This brought moist conditions (and frequent severe thunderstorms) to the east coast. Easterly flow off the continent brought consistently hot conditions to western parts of Western Australia, where many locations had their hottest November on record.

It was a rather cool November in the southeast, particularly in Tasmania and southern Victoria, but was not far enough below average to offset the very warm September, except in a few parts of Tasmania. In central Sydney average maximum temperatures for November were cooler than those for September, something which has only happened once before, in 1998.

Another feature of the spring was unusually heavy early-season rain in the northern tropics. In a normal year, November sees scattered thunderstorms across regions such as the Kimberley and the Top End. Widespread heavy rain, however, does not normally develop until the monsoon becomes established in December or January. In 2013, general rains developed during the second half of November (including with unusually early landfalling tropical cyclone, Alessia). Spring rainfall was above average through most of the far north and approached record levels in a few places.

The record warm spring leaves Australia on track to have its warmest calendar year on record. Mean temperatures for Australia for the 11 months ending in November were 1.23C above average and 0.18C above the previous record year, 2005.

The three month climate outlook for December 2013 to February 2014 favours wetter-than-average conditions across much of Western Australia, western Victoria and Tasmania, and dry and warm conditions along much of the east coast of Australia.

Blair Trewin does not work for, consult to, own shares in or receive funding from any company or organisation that would benefit from this article, and has no relevant affiliations.

The Conversation

This article was originally published at The Conversation. Read the original article.

Click on the links below to read other articles from this week's newsletter

1. Slater & Gordon up 120% this year - legal firms to watch: Historically well-run law firms have been very...

2. 2 stocks riding a dominant trend: This trend that will affect our way of life in...

3. 18 Share Tips - 2 December 2013: 18 Share Tips to BUY, SELL & HOLD from...

4. Top Online Broker & Stock Forum - Vote Now In The Stockies: Choose carefully because you can only vote once...

5. Hockey kills GrainCorp takeover by ADM: experts react: Federal Treasurer Joe Hockey has rejected the...

6. Junior gold stocks follow Alice down the rabbit hole: In Lewis Carroll's Alice in Wonderland Alice...

7. Australia records its warmest spring after blazing September: The spring of 2013 has been Australia's warmest...

8. Top 10 shorted stocks: Each day we feature the top 10 shorted stocks...

9. Stocks on a roll: ASX rolling 52-week highs for the previous...

10. Stocks on the slide: ASX rolling 52-week lows for the previous...



Italy Risks a Eurozone Crisis

Another eurosceptic and indebted country is... More

We Should Clamp Down On Negative Gearing

Australia still has a housing affordability... More

Investor Signposts: Week Beginning Dec 10 2018

Senior Economist Ryan Felsman previews the... More

Junior Gold Mining Stocks Poised To Surge

The definitive list of elite 'junior' gold... More


week 14 December 2018
    • 10
    • ABS Housing finance data | 9:30 AM
    • 11
    • ABS Residential Property Price Indexes | 9:00 AM
    • 12
    • WBC Consumer confidence index | 9:00 AM
    • 13
    • ABS Finance & Wealth publication | 9:00 AM
    • 14
    • CBA November purchasing manager survey | 9:00 AM

TheBull PREMIUM article search

Index: Points Change Percent

Featured Comment

From a technical perspective, holding support above 5,600 points during the October sell-off was a healthy sign for our market.

Active role for Exchange Traded Funds

Broker buys

  • ASX Code
  • Company
  • Broker
  • RCLReadCloudPatersons
  • MYXMayne PharmaPatersons
  • HZRHazer GroupArgonaut
  • GRBGage RoadsArgonaut
  • IPHIPH LimitedCMC Markets
  • TPMTPG TelecomCMC Markets

Broker sells

  • ASX Code
  • Company
  • Broker
  • KGNKogan.comPatersons
  • APAAPA GroupPatersons
  • QANQantasArgonaut
  • WESWesfarmersArgonaut
  • SBMSt BarbaraCMC Markets
  • BSLBlueScope SteelCMC Markets

Central Banks Rates

  • RBA1.50%
  • FED0.50%
  • BOE0.25%
  • BOC0.50%
  • RBNZ2.00%
  • ECB0.00%
  • SNB-0.75%
  • BOJ-0.10%

Upcoming dividends

  • ASX Code
  • Company, Div., Franking
  • Ex-Div.

Eight brokers like these stocks

  • ASX Code
  • Company Name
  • Consensus Target

Upcoming Floats

  • ASX Code
  • Company Name
  • Float Date


© Copyright All rights reserved.