You are viewing an old version of this page. View the current version.

Compare with Current View Page History

« Previous Version 4 Next »

 Status:Ongoing analysis Material from: Linus


 


1. Impact

On 8 and 9 August the region around Seoul was hit by extreme rainfall.

https://www.bbc.co.uk/news/world-asia-62462275

2. Description of the event

The plots below show analyses of MSLP and 6 hour rainfall from 7 August 00UTC to 10 August 00UTC, every 12th hour.


The plots below show analyses of z500 and T850 from 6 August to 10 August 00UTC, every 24 hour.




3. Predictability

  

3.1 Data assimilation

 

3.2 HRES

The plots below show observations from SYNOP (first plot), concatenated 6-hour forecasts (2nd plot) and HRES forecasts of 24-hour precipitation valid 8 August 00UTC - 9 August 00UTC, from different initial dates. The black 0.5 degree box is centred on Seoul.


3.3 ENS

The plots below show EFI for 1-day precipitation 8 August, from different initial times. 

The plot below shows the forecast evolution plot for 24-hour precipitation valid  8 August 00UTC - 9 August 00UTC for the box around Seoul. Mean of observations - green hourglass, concatenated 6-hour forecasts - green dot, HRES –red, ENS blue box-and-whisker, Model climate – red box-and-whisker. Triangle marks the maximum in the model climate based on 1200 forecasts.


3.4 Monthly forecasts

The plots below show weekly precipitation anomalies valid 8-14 August from different initial dates.


3.5 Comparison with other centres


4. Experience from general performance/other cases


5. Good and bad aspects of the forecasts for the event


6. Additional material

  • No labels