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The plots below show the difference between HRES and IMERG 24-hour precipitation totals on 29th September 2022, at different lead times:
The plots below show the 4-day rainfall from IMERG, and 4-day rainfall from observations (note 12-hour difference in period covered)
IMERG missing rainfall in central Florida/Orlando area? (unlikely this was in the last 12 hours of the observation period?)
(next to add observations to the above)