Australia -- Queensland Weather Update

MELBOURNE - Oct 20/17 - SNS -- The current forecast for the state of Queensland was released by Australia's Bureau of Meteorology.

Weather Situation
A weakening upper low that lies over Cape York Peninsula will drift westwards over the next day or two. A weakening low level trough lies near the northeast coast, producing a convergent wind flow and acting as a focus for heavy rainfall this evening. The upper low will also combine with the moist air mass to result in at least scattered showers and storms over much of the northeast of the state during the next few days. A slow moving high in the Tasman Sea extends a firm ridge into Queensland leading to a fresh and relatively moist easterly flow over much of Queensland. A new upper trough and an associated surface trough will move eastwards over Queensland from Friday, leading to a band of showers, rain and possible storms with some moderate to locally heavy rainfall totals possible over the southern interior during Friday, shifting into the southeast quarter of the state on Saturday. A new slow moving high over the Great Australian Bight will then extend a ridge into Queensland in the wake of the trough.
Forecast for the rest of FridayA high chance of showers about the east coast north of about Townsville with thunderstorms over the central and western Cape York Peninsula. A medium to high chance of showers and storms elsewhere about northern interior and over northwest parts. A high chance of showers and rain areas, with possible storms, over the southwest, extending eastwards across the southern interior and reaching the eastern Darling Downs late in the day. A slight to medium chance of showers elsewhere about the southeast quarter of the state. Daytime temperatures will be below average for much of the state, particularly in the southwest. Mostly moderate southeast to northeasterly winds, tending moderate south to southwesterly over southwest parts of Queensland.Saturday 21 OctoberThe new upper trough and its associated surface trough is expected to extend further eastwards over southeast Queensland leading to showers and a few thunderstorms over much of the east, tending to rain areas in parts of southeast and southern tropics. Showers and storms activity is possible about the remainder of Queensland, although storms are not expected along the northeast coast where just shower activity is likely. Conditions will become fine in the far southwest during the day as drier air moves in in the wake of a surface trough. Maximum temperatures will generally be well below the October average in most parts.Sunday 22 OctoberThe upper trough is expected to move off the east coast early in the morning, with the associated shower, rain and storm activity moving in to the Coral Sea as well. Yet another upper trough moves over the southern interior later in the day, however having little effect on the weather over the interior. The surface trough also moves further east, most likely lying over eastern parts north of the Fraser coast. Showers and thunderstorms are expected about eastern districts, although storms are not expected in the far southeast in the wake of the surface trough. The high in the Great Australian Bight extends dry air over the interior, with fine conditions expected over western and central parts. Maximum temperatures will generally remain well below the October average in most parts.Monday 23 OctoberThe new upper trough should remain over southern Queensland. The high weakens as it moves east of eastern Australia, while the surface trough moves northwards along the central east coast while weakening. Showers are likely along the east coast and adjacent inland in an onshore flow, while storms are possible over Cape York and parts of the central coast and central interior. Daytime temperatures rise a little across the state, however are still expected to be below the October average.Tuesday until ThursdayThe new upper trough is expected to remain slow moving over eastern Queensland, however there is some uncertainty associated with the development and movement of this feature. The high moves into the northern Tasman Sea on Tuesday and moves slowly east. A new surface trough is likely to enter the southwest of the state during Wednesday and move eastwards during Thursday, leading to the some shower and storm activity over southern parts with its passage, mostly on Thursday. Showers are possible about the east coast in an onshore flow, most likely during Tuesday, then easing during the later days. Maximum temperatures will gradually rise, with above average daytime temperatures expected during Wednesday and Thursday in the northerly flow ahead of the surface trough.The next routine forecast will be issued at 4:30 pm EST Friday.Product IDQ10700
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This page was created at 05:45 on Friday 20 October 2017 (GMT)
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