Status:Ongoing analysis Material from: Linus
1. Impact
In the middle of December the post-landfall cyclone related to TC Jasper caused severe rainfall over Queensland, Australia.
https://en.wikipedia.org/wiki/Cyclone_Jasper
https://en.wikipedia.org/wiki/2023_Cairns_floods
2. Description of the event
The plots below show analyses of MSLP and 6 hour rainfall from 11 December 00UTC to 18 December 00UTC, every 12th hour.
3. Predictability
3.1 Data assimilation
3.2 HRES
The plots below show 5-day precipitation (13 December 00UTC - 18 December 00UTC) in concatenated short forecasts (first plot) and ENS control forecasts with different lead times. Note that sea points have been masked out. The box marks 15.5S - 17.5S, 145E- 146E.
3.3 ENS
The plots below shows EFI and SOT for 5-day precipitation (13 December 00UTC - 18 December 00UTC) from different initial dates.
3.4 Monthly forecasts
3.5 Comparison with other centres
4. Experience from general performance/other cases
5. Good and bad aspects of the forecasts for the event