national climate and water briefing - bureau of meteorology...• tropical cyclone marcus 15–22...
TRANSCRIPT
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29 March 2018
National Climate and
Water Briefing
Photo: James Walker, Longreach, Qld
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Welcome
Peter GoodayABARES
Photo: James Walker, Longreach, Qld
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Welcome
Peter GoodayABARES
Photo: James Walker, Longreach, Qld
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Climate and water
conditions and outlook
Joel LisonbeeBureau of Meteorology, Agriculture Program
Photo: James Walker, Longreach, Qld
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Recent conditions
• Recent conditions
• Evolution of climate drivers
• Seasonal outlook
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March temperatures
Maximum
temperature
Minimum
temperature
As at 28 March 2018
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Rainfall
January February March
Lowest
on
record
Very
much
below
average
Below
Average
Average Above
Average
Very
much
above
average
Highest
on
record
As at 28 March 2018
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Rainfall: March 2018
Effective rainfallRainfall deciles
As at 28 March 2018
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March rainfall: Queensland and Northern Territory
Lowest on
record
Very much
below
average
Below
Average
Average Above
Average
Very much
above
average
Highest on
record
As at 27 March 2018
• Queensland rainfall 1–8 March
• Northern Territory rainfall 8–10 March
• Tropical cyclone Marcus 15–22 March
• Tropical cyclone Nora 19–26 March
• 593 mm in 24 hours at Port Douglas 26 March
• Queensland, highest March rainfall since 2012
Rainfall
Wind analysis, 27 March 2018
Tropical
cyclone
NoraTropical
cyclone
Marcus
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March rainfall: Queensland and Northern Territory
0
mm
1
mm
5
mm
10
mm
25
mm
50
mm
100
mm
200
mm
300
mm
400
mm
600
mm
800
mm
Rainfall data as at 27 March 2018; water storage data as at 22 March
Ross River Dam
93% full (28 March 2018)
www.townsville.qld.gov.au/water-waste-and-environment/
Total rainfall
Feb APR Jun Aug Oct Dec
%
2016
2017
2018100
90
80
70
60
50
40
30
20
10
0
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Fires and rapid drying
Lowest
on
record
Very
much
below
average
Below
Average
Average Above
Average
Very
much
above
average
Highest
on
record
As at 28 March 2018
Rainfall Rainfall totals 1–28 March % of
monthly
mean
Hay, NSW 1.6 mm 5 %
Mildura, Vic 2.2 mm 11 %
Dubbo, NSW 4 mm 7 %
Deniliquin, NSW 4.1 mm 13%
Canberra Airport 7.2 mm 11 %
Forbes, NSW 7.6 mm 14 %
At least 2 major late-season fires
• Tathra, New South Wales
• Southwestern Victoria
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Fires and rapid drying
Lowest
on
record
Very
much
below
average
Below
Average
Average Above
Average
Very
much
above
average
Highest
on
record
Rainfall data as at 28 March 2018 Storage data as at 22 March 2018
Rainfall
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Lower-layer soil moisture (10–100cm)
1-month change:
February–March 2018
1–28 March: lower-layer soil moisture
3-month change:
December 2017 – March 2018
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Water storage levels
As at 22 March 2018
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Diversity in water supply
Urban water supply (ML) by source, 2012–2017
• Recently released:
• National Water Account 2016–17
urban regions
• National performance report
2016–17: urban water utilities
• In Perth, desalinated water provided
more than half of the urban water
supply
• Water Corporation WA 'banked' some
water in surface water storages in Perth
region to meet future demand
2012 2013 2014 2015 2016 2017
400
500
600
700
800
900
1000
1100
1200
Pe
rth
an
nu
al ra
infa
ll (m
m)
Annual Linear (Annual)
This demonstrates the value of water
information in planning
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Critical water supply situation in Cape Town
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Critical water supply situation in Cape Town
Source: NASA
earthobservatory.nasa.gov
Water level (% capacity)
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Evolution of
climate drivers
• Recent conditions
• Evolution of climate drivers
• Seasonal outlook
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El Niño–Southern Oscillation
La Niña (Australian Criteria)
• Any three of the following:
• Sea surface
temperature < –0.8 ºC
• Stronger trade winds
• SOI is +7 or higher
• A majority of climate
models show below
average temperatures
in NINO3 or NINO3.4
regions
NINO3.4
NINO3
–0.8 ºC or cooler in the
NINO3 or NINO3.4 region
of the Pacific Ocean
Trade winds have
been stronger than
average for any three
of the last four months
L H
The three-month average
SOI is +7 or higher
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El Niño–Southern Oscillation
La Niña (Australian Criteria)
• Any three of the following:
• Sea surface
temperature < –0.8 ºC
• Stronger trade winds
• SOI is +7 or higher
• A majority of climate
models show below
average temperatures
in NINO3 or NINO3.4
regions -1.2
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
8-Oct-17 8-Nov-17 8-Dec-17 8-Jan-18 8-Feb-18 8-Mar-18
Deg C
Pacific Ocean temperature anomalies
NINO3.4 NINO3
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El Niño–Southern Oscillation
La Niña (Australian Criteria)
• Any three of the following:
• Sea surface
temperature < –0.8 ºC
• Stronger trade winds
• SOI is +7 or higher
• A majority of climate
models show below
average temperatures
in NINO3 or NINO3.4
regions
Stronger trade winds Weaker trade winds
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El Niño–Southern Oscillation
La Niña (Australian Criteria)
• Any three of the following:
• Sea surface
temperature < –0.8 ºC
• Stronger trade winds
• SOI is +7 or higher
• A majority of climate
models show below
average temperatures
in NINO3 or NINO3.4
regions
![Page 24: National Climate and Water Briefing - Bureau of Meteorology...• Tropical cyclone Marcus 15–22 March • Tropical cyclone Nora 19–26 March • 593 mm in 24 hours at Port Douglas](https://reader033.vdocuments.us/reader033/viewer/2022060820/609966dac7fa424fb30902f3/html5/thumbnails/24.jpg)
La Niña (Australian Criteria)
• Any three of the following:
• Sea surface
temperature < –0.8 ºC
• Stronger trade winds
• SOI is +7 or higher
• A majority of climate
models show below
average temperatures
in NINO3 or NINO3.4
regions-2
-1.6
-1.2
-0.8
-0.4
0
0.4
0.8
1.2
1.6
2
observed BOM Canada ECMWF Japan
Meteofrance NASA NOAA UKMO
El Niño–Southern Oscillation outlook: March 2018
OISSTv2 (1981-2010)
NINO3.4 outlook
NIN
O3
.4 (
°C)
La Niña
El NiñoNow
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Seasonal outlook
• Recent conditions
• Evolution of climate drivers
• Seasonal outlook
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Rainfall outlook: April–June 2018
Chance of exceeding median rainfall
May
AprilPast accuracy
Past accuracy Past accuracy
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Maximum temperature outlook: April–June 2018
Chance of exceeding median maximum
temperature
Past accuracy
Past accuracy
Past accuracy
April
May
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Minimum temperature outlook: April–June 2018
Chance of exceeding median minimum
temperature
AprilPast accuracy
Past accuracy Past accuracy
May
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Observed streamflow: February 2018
TasmaniaSouth East Coast
(Vic)
South East Coast
(NSW)
Murray–Darling
Basin
North East Coast
South West Coast
Australia
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Seasonal streamflow outlook: March–May 2018
South West Coast
South East Coast
(NSW)
Murray–Darling
Basin
Australia
TasmaniaSouth East Coast
(Vic)
North East Coast
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Summary
• Climate drivers are neutral
• March rainfall
– Above average for Queensland and Tasmania
– Average to below average elsewhere
– Rapid drying in southeast
• Outlook favours cooler temperatures in the northeast
• Low and near-median streamflows likely for March to May
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Introduction to Meteorology
Course
Meteorology Trainer and Course Manager
Philip Perkins
• Learn about weather and climate• 23 two-day courses around Australia
in 2018
• Canberra courses at the Bureau's
office (Treasury Building, Parkes)• 10-11 April
• 25-26 September
• Courses for agencies can be arranged
• Introduction to Climate course
coming
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Thank you
Questions?Joel Lisonbee, Bureau of Meteorology
Tropical cyclone Marcus, March 21, 2018
Image: NASA
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Agricultural commodity update /climate variability and forecasting
Andrew CameronAgricultural commodities section
Australian Bureau of Agriculturaland Resource Economics and Sciences
6 - 7 March 2018
Research by the Australian Bureau of Agricultural and Resource Economics and Sciences
March 2018
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Snapshot
Context of Australian agricultureWe manage highly variable climate, with low producer support
Source: The World Bank Group – Climate Change Knowledge Portal
Note: Departure from mean rainfall measured as a probability density function, which shows the spread of possible values around the mean.
Rainfall variability index Departure from mean rainfall (%), 1970-2015
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Climate variability and change is projected to accelerate and intensify, presenting threats and opportunities
Climate adjusted productivity for cropping farms(Index, where average of 1977 to 1982 = 100)Source: ABARES
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Variability of world production
Mt
Source: Agricultural Commodity Statistics
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Australian wheat yields
s ABARES estimate.
2006-072002-03
2016-17
2017-18s
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2006-07
2002-03
2016-
17
Variability of Australian wheat yields
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Climate variability makes production forecasting hard
Western Australia’s south central rainfall zone, cropping season rainfall
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Outlook for Agricultural commodities
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Value of agricultural production to increase a little
+$1.7b
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$1.7b
…driven by a return to ‘average’ crop production
$bn
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Chickpea prices linked to India’s import demand
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$1.1b
Export growth to follow production
$bn
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Crops
Source: agriculturewire.com
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f ABARES forecast. z ABARES projection
World grain prices
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World climate conditions have been mixed
Source: Agricultural Market Information System (March 2018)
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Summer crop production limited
Lowest on record
10 to 20%
30 to 40%
50 to 60%
70 to 80%
90 to 100%
Forecast median shire yield
ranked relative to all years
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Livestock
(and products)
Source: ABC
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$1.1b
Value of livestock production
$mOther
livestoc
k and
product
s
$780m
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![Page 54: National Climate and Water Briefing - Bureau of Meteorology...• Tropical cyclone Marcus 15–22 March • Tropical cyclone Nora 19–26 March • 593 mm in 24 hours at Port Douglas](https://reader033.vdocuments.us/reader033/viewer/2022060820/609966dac7fa424fb30902f3/html5/thumbnails/54.jpg)
%
5
10
15
20
25
<16.5 18.6-19.5 21.6-22.5
24.6-26.5 30.6+
Australia’s shifting wool production
1991–92
1996–97
2001 –02
2006–07
2011–12
2016–17
finer microns coarser
![Page 55: National Climate and Water Briefing - Bureau of Meteorology...• Tropical cyclone Marcus 15–22 March • Tropical cyclone Nora 19–26 March • 593 mm in 24 hours at Port Douglas](https://reader033.vdocuments.us/reader033/viewer/2022060820/609966dac7fa424fb30902f3/html5/thumbnails/55.jpg)
Beef prices expected to fall
![Page 56: National Climate and Water Briefing - Bureau of Meteorology...• Tropical cyclone Marcus 15–22 March • Tropical cyclone Nora 19–26 March • 593 mm in 24 hours at Port Douglas](https://reader033.vdocuments.us/reader033/viewer/2022060820/609966dac7fa424fb30902f3/html5/thumbnails/56.jpg)
agriculture.gov.au/abares/research-topics/agricultural-commodities
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Source: Bureau of Meteorology
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Next briefing
Thursday, 26 April 2018