Australia -- Queensland Weather Update

MELBOURNE - Jun 26/13 - SNS -- The current forecast for the state of Queensland was released by Australia's Bureau of Meteorology.

Warning Summary at issue time
For the latest warning information please check the Bureau's
web site www.bom.gov.au/qld
Weather Situation
A high [1034 hPa] over the southern Tasman Sea extends a ridge over central
Australia and over the tropical east Queensland coast. A complex low pressure
system over the northern Tasman Sea is moving northeast and extends a surface
trough over far northern New South Wales. The surface trough is expected to move
northwards into and over southeast Queensland this evening and on Thursday with
increasing moisture and showers. An upper level trough over South Australia is
expected to move across southern Queensland during Thursday.
Forecast for the rest of Wednesday
Isolated light showers over the far northeastern Peninsula District. Becoming
cloudy over the southeast during the evening, with isolated late showers near
the southern border. Areas of high cloud across western, central and remaining
southern districts but remaining fine. Light to moderate SW to SE winds, fresh
at times along the northeast coast and freshening along the far southern coast
during the evening.
Forecast for Thursday
Cloudy with isolated showers and morning drizzle over southeast districts and
the southern interior, increasing to scattered showers over parts of the
southeast during the day. Areas of middle and high cloud over western, central
and remaining southern districts but with little or no rain. Isolated light
showers over the far northeastern Peninsula District. Possible early frost about
the Maranoa and near the Granite Belt. Light to moderate SW to SE winds, fresh
at times along the northeast coast and far southern coast.
Forecast for Friday
The upper trough is expected to move offshore during the morning while a more
significant upper trough moves across Western and South Australia and begins to
intensify. A new high is expected to strengthen over the Great Australian Bight,
maintaining a moister S to SE flow into southern Queensland. Cloudy over most of
the southern half of Queensland, with isolated showers over southeast districts
and the southern interior. Scattered showers along the southern coast and border
ranges in a fresher S to SE airflow. Isolated light showers are expected to
continue over the far northeastern Peninsula District. A cool morning in central
districts and parts of the eastern tropics.
Forecast for Saturday
The high is expected to remain near South Australia and maintain a relatively
moist S to SE airflow over the southern half of Queensland with cloudy
conditions and isolated showers. The upper trough is expected to move across New
South Wales and towards southwest Queensland, and will help to begin deepening a
surface trough off the east Queensland coast. This will assist in maintaining
scattered showers about the Southeast Coast and the Wide Bay. Fine over most of
the tropics, with only isolated light showers over the far northern Peninsula
district. Minimum temperatures remaining below average in central districts and
parts of the eastern tropics, with maximum temperatures trending below average
in the southeast.
Forecast for Sunday
The high is expected to remain over South Australia and maintain the
relatively moist S to SE airflow over the southern half of Queensland with
cloudy conditions and isolated showers. The upper trough is expected to move
across southern Queensland and most likely intensify into an upper level low,
leading to more unstable conditions over southeast districts and the southern
interior with generally scattered showers. The surface trough off the
Capricornia and southern Queensland coasts is likely to continue deepening as
the upper trough approaches, potentially with increasing winds and showers in
these areas, though there is some uncertainty associated with these developments
at this stage. Fine over most of the tropics, with only isolated light showers
over the far northern Peninsula district and developing about the North Tropical
Coast during the day. Minimum temperatures remaining a little below average in
parts of the eastern tropics. Maximum temperatures are expected to be generally
below average in the south and west due to cloud cover and the cool S to Se
airflow.
Outlook for Monday, Tuesday and Wednesday
The upper level trough and low should continue to strengthen and reach peak
intensity over central and southeastern Queensland late Monday and Tuesday,
before moving offshore during Wednesday. The high over South Australia is
expected to move slowly eastwards while weakening, but is expected to maintain a
moist southeasterly airflow into southern and central as the surface trough
continues to deepen near or off the southern Queensland coast. The deepening of
this trough is likely to lead to an increase in the onshore flow, with cloudy
conditions and increasing showers or rain over southeast Queensland,
particularly about the coast and adjacent inland areas. Forecasts for southeast
Queensland remain uncertain at this stage, with the intensity and extent of
these showers or rain being very dependent on the position of the surface
trough. At this stage, the probability of a significant low pressure system
developing within this trough off the southern Queensland coast still appears to
be increasing. Cloudy conditions with at least some showers are likely over the
southern interior and across parts of central Queensland. In the north, it
should remain fine in most areas, though some light showers are possible about
the tropical east coast. Maximum temperatures generally below average,
particularly under cloud in southeast and central Queensland.
The next routine forecast will be issued at 4:45 am EST
Thursday.
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This page was created at 13:00 on Wednesday 26 June 2013 (GMT)
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