Lumpy protrusions on the edges, and sometimes the underside, of a thunderstorm anvil. They usually appear on the upwind side of a back-sheared anvil, and indicate rapid expansion of the anvil due to the presence of a very strong updraft. They are not mammatus clouds.
Storm report
Knuckles
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
9 Nov 2022 · New South Wales
Convective Storms – New South Wales South Coast – Monday 7 November 2022
9 Nov 2022 · Batemans Bay, NSW
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…
9 Nov 2020 · Sydney, NSW
Another cropped anvil crawler from last night
9 Nov 2020 · Sydney, NSW
Insane Mothership Structure 27 May 2001
9 Nov 2020 · Lawton, OK
New video by Jimmy Deguara
9 Nov 2020 · Dodge City, KS
Storm Chasing Booking Page – Storm Chasing Tours
9 Nov 2020
www.extremestorms.com.au
9 Nov 2020 · Dodge City, KS