Preprints
https://doi.org/10.5194/egusphere-2022-440
https://doi.org/10.5194/egusphere-2022-440
21 Jun 2022
 | 21 Jun 2022
Status: this preprint has been withdrawn by the authors.

Deep Learning Approach Towards Precipitation Nowcasting: Evaluating Regional Extrapolation Capabilities

Tarek Beutler, Annette Rudolph, Daniel Goehring, and Nikki Vercauteren

Abstract. Precipitation nowcasting refers to the prediction of precipitation intensity in a local region and in a short timeframe up to 6 hours. The evaluation of spatial and temporal information still challenges todays numerical weather prediction models. The increasing possibilities to store and evaluate data combined with the advancements in the developments of artificial intelligence algorithms make it natural to use these methods to improve precipitation nowcasting. In this work a Convolutional Long Short-Term Memory network (ConvLSTM) is applied to Radar data of the GermanWeather Service. The positive effectiveness of finetuning a network pretrained at a different location and for different precipitation intensity thresholds is demonstrated. Furthermore, in the framework of two case studies the skill scores for the different thresholds are shown for a prediction time up to 100 minutes. The results highlight promising regional extrapolation capabilities for such neural networks for precipitation nowcasting.

This preprint has been withdrawn.

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Tarek Beutler, Annette Rudolph, Daniel Goehring, and Nikki Vercauteren

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2022-440', Anonymous Referee #1, 13 Jul 2022
    • AC1: 'Reply on RC1', Annette Rudolph, 14 Aug 2022
  • RC2: 'Comment on egusphere-2022-440', Anonymous Referee #2, 13 Jul 2022
    • AC2: 'Reply on RC2', Annette Rudolph, 14 Aug 2022
  • RC3: 'Comment on egusphere-2022-440', Anonymous Referee #3, 28 Jul 2022
    • AC3: 'Reply on RC3', Annette Rudolph, 14 Aug 2022

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2022-440', Anonymous Referee #1, 13 Jul 2022
    • AC1: 'Reply on RC1', Annette Rudolph, 14 Aug 2022
  • RC2: 'Comment on egusphere-2022-440', Anonymous Referee #2, 13 Jul 2022
    • AC2: 'Reply on RC2', Annette Rudolph, 14 Aug 2022
  • RC3: 'Comment on egusphere-2022-440', Anonymous Referee #3, 28 Jul 2022
    • AC3: 'Reply on RC3', Annette Rudolph, 14 Aug 2022
Tarek Beutler, Annette Rudolph, Daniel Goehring, and Nikki Vercauteren
Tarek Beutler, Annette Rudolph, Daniel Goehring, and Nikki Vercauteren

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Short summary
Precipitation nowcasting refers to the prediction of precipitation intensity in a local region and in a short timeframe up to 6 hours. The increasing possibilities to store and evaluate data combined with the advancements in the developments of artificial intelligence algorithms make it natural to use these methods to improve precipitation nowcasting. The positive effectiveness of finetuning and promising skill scores for a prediction time up to 100 minutes are shown.