Positive Vorticity Advection. Advection of higher values of vorticity into an area, which often is associated with upward motion (lifting) of the air. PVA typically is found in advance of disturbances aloft (i.e., shortwaves), and is a property which often enhances the potential precipitation.
Storm report
Storm report
PVA
Also on 9 November
So close to 9cm hail!
Bit of a surprise chase today beginning in my suburb and ending at Wisemans Ferry. Because that is what it took for me to get i…
9 Nov 2022 · Wisemans Ferry, NSW
Significant rain and flooding New South Wales, ACT and Victoria – 31 October to 3 November 2022
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Bit of a surprise chase today beginning in my suburb and ending at Wisemans Ferry. Because that is what it took for me to get in front given road cond…
9 Nov 2021 · Wisemans Ferry, NSW
This is one of my efforts of Sydney’s lightning – it is an anvil crawler – usual…
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Another cropped anvil crawler from last night
9 Nov 2020 · Sydney, NSW
Insane Mothership Structure 27 May 2001
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New video by Jimmy Deguara
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Storm Chasing Booking Page – Storm Chasing Tours
9 Nov 2020
www.extremestorms.com.au
9 Nov 2020 · Dodge City, KS