Parts of western NSW have just shivered through the coldest pair of October mornings in more than a decade.
Some centres in the Upper Western and Central West Slopes and Plains awoke to temperatures as cold as nine below the average. After the recent unseasonable snowfalls, the Central Tablelands chilled to as much as eight below average, providing another example of the variability of Spring.
In the Upper Western, Bourke dropped to just three degrees (11 below average) on Saturday morning and five degrees on Sunday morning. This is the coldest set of October mornings since records began in 1999.
Coonabarabran in the states Central West Slopes and Plains has dropped to minus one on the last two mornings. This is the coldest pair of October mornings in a decade when the centre recorded back-to-back mornings with a low of minus two.
Winter like conditions are lingering in Lithgow. On Friday snow blanketed much of the Blue Mountains, including Lithgow. On Sunday morning the mercury dropped to minus one, eight below average. This coupled with Saturdays low of just one degree makes for the coldest two October mornings in at least seven years.
A large high pressure system has been moving in from the west over the last few days, bringing mostly clear nights and light winds. These conditions coupled with a cool airmass from this week's wintery blast have lead to ideal conditions for frosty mornings.
The string of cold mornings is set to come to end though as the high pressure system continues eastwards. This will allow a trough to move over western NSW and draw a much warmer airmass over most of the state.
© Weatherzone 2012
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