Notes on the Weather for Victoria

IDV10300
Australian Government Bureau of Meteorology
Victoria

Notes on the Weather
Issued at 4:31 pm EST on Wednesday 29 July 2015.

Recent Events
Isolated showers and drizzle affected southern and mountain areas in the 24
hours to 9am. Most rainfall totals were 2mm or less. The highest rainfall
totals were 13mm at Mount Sunday, followed by 10mm at High Ridge and Mount
Useful.



Minimum temperatures were generally within 3 degrees of the July average,
although they were up to 5 degrees below in parts of the north and east where
clear skies and light winds prevailed overnight. Most minima ranging between -1
and 7 degrees. The lowest overnight temperature was minus 5 degrees recorded at
Mount Hotham, whilst in contrast the highest overnight temperature was 9
degrees recorded at Gabo Island and Wilsons Promontory.



Areas of fog and low cloud across the north gradually dissipated, although some
regions saw low cloud persisting into the early afternoon. Morning frosts were
also observed in parts of the north and east. Areas of high and mid level cloud
drifted in from the west during the day, however no rainfall was recorded from
it up to 3pm today. Winds were mainly light to moderate north to northwesterly,
although southeasterlies developed about parts of the Gippsland coast during
the afternoon.



Maximum temperatures were mainly up to 3 degrees below the monthly average,
mostly ranging between 10 and 14 degrees. In the east temperatures were close
to normal. The highest temperature was 15 degrees recorded at Bairnsdale and
Point Hicks. In contrast, the lowest daytime temperature was minus 1 degree
recorded at Mount Buller and Mount Hotham.



In Melbourne the temperature ranged from 8.4 degrees at 7:50am to 14.0 degrees
at 12:33pm. No rainfall was recorded in the Melbourne rain gauge in the 30
hours to 3pm today.

Explanatory Notes
A large high pressure system centred near the northern New South Wales coast
will move over the Tasman Sea Thursday. A cold front south of the Bight will
move into western Victoria Thursday afternoon and will clear eastern districts
early Friday causing cool northerly wind to shift colder westerly and showers
to extend from the west with highland snowfalls.



An active long wave trough will remain in eastern Australian longitudes through
the forecast period with further fronts crossing Victoria early Saturday, later
Sunday, a stronger front on Monday and another early Wednesday. These fronts
will periodically reintroduce showers, colder westerly or southwesterly winds
and highland snowfalls, with milder conditions in between. A northwest cloud
band may link with Sunday's system bringing some rain to parts of the north -
however the extent of this connection is unclear at this stage. The strongest
front in the sequence is Monday's which could give local hail and thunder in
the south and lowland snowfalls.