An ensemble of data-driven weather prediction models for operational sub-seasonal forecasting
We present an operations-ready multi-model ensemble weather forecasting system which uses hybrid data-driven weather prediction models coupled with the European Centre for Medium-range Weather Forecasts (ECMWF) ocean model to predict global weather at 1-degree resolution for 4 weeks of lead time. Fo...
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Format | Journal Article |
Language | English |
Published |
22.03.2024
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Abstract | We present an operations-ready multi-model ensemble weather forecasting
system which uses hybrid data-driven weather prediction models coupled with the
European Centre for Medium-range Weather Forecasts (ECMWF) ocean model to
predict global weather at 1-degree resolution for 4 weeks of lead time. For
predictions of 2-meter temperature, our ensemble on average outperforms the raw
ECMWF extended-range ensemble by 4-17%, depending on the lead time. However,
after applying statistical bias corrections, the ECMWF ensemble is about 3%
better at 4 weeks. For other surface parameters, our ensemble is also within a
few percentage points of ECMWF's ensemble. We demonstrate that it is possible
to achieve near-state-of-the-art subseasonal-to-seasonal forecasts using a
multi-model ensembling approach with data-driven weather prediction models. |
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AbstractList | We present an operations-ready multi-model ensemble weather forecasting
system which uses hybrid data-driven weather prediction models coupled with the
European Centre for Medium-range Weather Forecasts (ECMWF) ocean model to
predict global weather at 1-degree resolution for 4 weeks of lead time. For
predictions of 2-meter temperature, our ensemble on average outperforms the raw
ECMWF extended-range ensemble by 4-17%, depending on the lead time. However,
after applying statistical bias corrections, the ECMWF ensemble is about 3%
better at 4 weeks. For other surface parameters, our ensemble is also within a
few percentage points of ECMWF's ensemble. We demonstrate that it is possible
to achieve near-state-of-the-art subseasonal-to-seasonal forecasts using a
multi-model ensembling approach with data-driven weather prediction models. |
Author | Weyn, Jonathan A Luferenko, Pete Berman, Jeremy Kumar, Divya Klocek, Sylwester Kazmi, Najeeb Thambiratnam, Kit |
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BackLink | https://doi.org/10.48550/arXiv.2403.15598$$DView paper in arXiv |
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Snippet | We present an operations-ready multi-model ensemble weather forecasting
system which uses hybrid data-driven weather prediction models coupled with the... |
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Title | An ensemble of data-driven weather prediction models for operational sub-seasonal forecasting |
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