End of the Day (EOD) Judgment for Daily Rain-Gauge Data

Yatagai, Akiyo; Maeda, Mio; Khadgarai, Sunilkumar; Masuda, Minami; Xie, Pingping

doi:10.3390/atmos11080772

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i

End of the Day (EOD) Judgment for Daily Rain-Gauge Data

2020
By Yatagai, Akiyo ; Maeda, Mio ; Khadgarai, Sunilkumar ; ...
Source: Atmosphere, 11(8), 772

[PDF-2.35 MB]

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Details:

Journal Title:

Atmosphere
Personal Author:

Yatagai, Akiyo ; Maeda, Mio ; Khadgarai, Sunilkumar ; Masuda, Minami ; Xie, Pingping

Yatagai, Akiyo ; Maeda, Mio ; Khadgarai, Sunilkumar ; Masuda, Minami ; Xie, Pingping Less -
NOAA Program & Office:

NWS (National Weather Service) ; CPC (Climate Prediction Center)

NWS (National Weather Service) ; CPC (Climate Prediction Center) Less -
Description:

Several versions of Asian Precipitation-Highly-Resolved Observational Data Integration Towards Evaluation of Extreme Events (APHRODITE-2) have been released for analyzing rain-gauge-based daily precipitation. APHRODITE-2 constitutes an improvement compared with the previous versions for evaluating extreme precipitation. One advantage of APHRODITE-2 products (versions 1801R1 and 1901) over APHRODITE-1 products is the ability to ensure uniformity in the daily accumulation period (end of the day, EOD) used in a specific domain. To create these EOD segregated or EOD adjusted products, we applied an EOD judgment scheme using multi-satellite merged precipitation products CMORPH V1.0 and ERA-Interim reanalysis. The novelty of the current methodology was tested against rain-gauge datasets with known EOD information. Despite the difference in horizontal resolution, ERA-Interim shows similar EOD detection performance to CMORPH. However, CMORPH showed better performance over India than ERA-Interim. The current method has potential to judge EOD of rain-gauge station data with an unknown observation time. Having prior EOD information as metadata is very important for gridded datasets as well as station data. Here, we also present deterministic/estimated EOD that we used for V1801R1 over Monsoon Asia.
Keywords:

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Precipitation (Meteorology)
Source:

Atmosphere, 11(8), 772
DOI:

https://doi.org/10.3390/atmos11080772
Document Type:

Journal Article
License:

https://creativecommons.org/licenses/by/4.0/
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CC BY
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Library
Main Document Checksum:

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urn:sha256:88efb7fb965354f3c83ea7826e5327775df722cd96191d9b6430a53d06e65056
Download URL:

https://repository.library.noaa.gov/view/noaa/51217/noaa_51217_DS1.pdf
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