Andrew Miskelly
@andrewmiskelly
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Learning from meteorologists, climatologists, engineers, cartographers, aviators, authentic Christians… Software Engineer @weatherzone @[email protected]
Mittagong, Australia
Joined September 2010
Extensive cloud band ahead of a low pressure system developing over the Great Australian Bight.
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Rain band building over Australia ahead of the cold front currently over WA, with a low to keep the showers coming over southern parts.
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Cooper Creek floodwater finally arriving at the eastern shore of Kati Thanda-Lake Eyre, four months after the rain over western QLD.
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Cold front extending from a 986 hPa low south of SA/VIC.
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Two separate rain bands are expected to cross southern and eastern Australia this week, delivering meaningful rainfall totals to a broad area.
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Temperature departure from normal during the first half of the Australian winter.
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Stratospheric warming - indicating sinking air caused by atmospheric waves - around the usually stable southern polar vortex.
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Altocumulus highlighting a mountain wave in the lee of QLD's Main Range.
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Potential midwinter disturbance to the polar vortex in the southern stratosphere for the second year in a row. Too early to say whether it'll amount to much, or affect tropospheric weather in any way.
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Origins of the cold air currently over south east Australia. (The coldest air masses take a more direct route from over the Antarctic coastline south of WA, but this trajectory produced some handy rainfall totals over southern SA.)
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Cold air arriving over south east Australia on Wednesday.
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Windy Thursday ahead for NSW/ACT, as cold, dense air arriving from the west squeezes over the ranges.
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Cold air approaching south east Australia, arriving over SA on Wednesday and NSW, VIC and TAS by Thursday.
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Broad cold air field extending from Antarctica to southern WA; expected over south east Australia by Thursday.
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The latest eruption of Indonesia's Lewotobi Laki-Laki volcano on Monday.
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Cool upper air combines with a surface trough to produce midwinter thunderstorms across eastern NSW and the ACT.
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Could be a few sparks, and even isolated hail around eastern NSW/ACT on Sunday evening, as an upper-level low destabilises an otherwise spring-like day.
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Beautiful mass of cirrus ahead of the system over the Great Australian Bight.
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