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Problem in example simulation #151

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busy67 opened this issue Aug 28, 2024 · 1 comment
Open

Problem in example simulation #151

busy67 opened this issue Aug 28, 2024 · 1 comment

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@busy67
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busy67 commented Aug 28, 2024

Dear expert,

I met a problem in running the Tropical Cyclone Risk Model.
1

The output hazard maps of the example simulation:
python tcrm.py -c example/port_hedland.ini (nothing modified, data downloaded from ibtracs manually)
showed very different from https://geoscienceaustralia.github.io/tcrm/docs/examples.html.

On the right figure was my output, you can see scattered contors and obviously lower wind speed.
I tried different regions, and tired to decrease the "Initial pressure difference too small" error in the log file by modifying "def validInitPressure(track)" in TrackGenerator.py to:
if track.EnvPressure[0] - track.CentralPressure[0] < 0.5:
but things didnt get better.

It is very kind of you if you can help me. What is probably wrong?

@wcarthur
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wcarthur commented Sep 2, 2024

@busy67 the results you are getting are consistent with the latest model release. I've not updated the figures in the documentation since a much earlier release.

The patchiness results from the limited number of synthetic tracks used in the example. The calculation of the ARI wind speeds requires a minimum number of values, which may not be met by the number set in the example (1000 tracks). Changing the pressure difference in TrackGenerator.py will not directly influence this result.

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