Articles | Volume 14
Adv. Sci. Res., 14, 195–215, 2017
https://doi.org/10.5194/asr-14-195-2017
Adv. Sci. Res., 14, 195–215, 2017
https://doi.org/10.5194/asr-14-195-2017
 
07 Jul 2017
07 Jul 2017

The HIRLAM fast radiation scheme for mesoscale numerical weather prediction models

Laura Rontu et al.

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Latest update: 08 Aug 2022
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Short summary
This paper provides an overview of the HLRADIA shortwave (SW) and longwave (LW) broadband radiation schemes used in the HIRLAM numerical weather prediction (NWP) model and available in the HARMONIE-AROME mesoscale NWP model. The advantage of broadband, over spectral, schemes is that they can be called more frequently within the NWP model, without compromising on computational efficiency. Fast physically based radiation parametrizations are also valuable for high-resolution ensemble forecasting.