narrow cold-frontal rainbands

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Intensity is not necessarily a reliable indicator of tornado potential in NCFRs 200 km 200 km 29 Nov 2011: 7 tornadoes 22 Nov 2012: No tornadoes
What is different about the tornadic NCFRs? • Use 1-minute-resolution AWS data to investigate surface fields near 15 NCFRs (7 tornadic) • Primary goals: 1. To look for systematic differences between tornadic and non-tornadic cases 2. To analyse the evolution of the surface fields near tornadic NCFRs, and relate surface features to radar-observed structures
Page 1 and 2: Surface wind and pressure fields at
Page 3: NFR updraughts are forced (mainly)
Page 7 and 8: A tornadic case: 29 Nov 2011 100 km
Page 9 and 10: Tornadic lines are associated with
Page 11 and 12: Increases in stretching prior to to
Page 13 and 14: 23 Dec 2011: evolution of post-fron
Page 15 and 16: 23 Dec 2011: misocyclone tracks Blu
Page 17 and 18: 25 Jan 2014: evolution of post-fron
Page 19 and 20: 25 Jan 2014: development of misocyc
Page 21 and 22: 25 Jan 2014: development of misocyc

narrow cold-frontal rainbands

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