Improving the WRF Forecast of Landfalling Tropical Cyclones Over the Asia?Pacific Region by Constraining the Cloud Microphysics Model With GPM Observations
نویسندگان
چکیده
We proposed a method to improve the forecasts of landfalling tropical cyclones (LTCs) by constraining “cloud physics” with Global Precipitation Measurement (GPM) satellite observations. Eight typical LTCs that are well observed GPM in Asia-Pacific region from 2015 2021 selected verify feasibility this method. Using cloud-resolving model, simulated for 3 days both original and modified microphysics scheme comparison. The improvement LTC is evaluated terms hydrometeor structure, amplitude, location. Most notably, structure forecast condensed water improved up 32% on average all LTCs. location amplitude also varying degrees. Moreover, it found error was reduced even more using constraints observation than assimilating data directly other research.
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ژورنال
عنوان ژورنال: Geophysical Research Letters
سال: 2022
ISSN: ['1944-8007', '0094-8276']
DOI: https://doi.org/10.1029/2022gl100053