Evaluation of Thunderstorm Predictors for Finland Using Reanalyses and Neural Networks
Problem
Identifying thunderstorm occurrences over Finland from reanalysis data using multiple environmental predictors.
Why it matters
Thunderstorm forecasting protects people, aviation, and property from severe convective weather.
What the AI did
Artificial neural networks trained on 14 summers of ERA-Interim reanalysis and lightning data identified thunderstorms from complex multivariate predictor combinations.
Results
Best ANN used 15 inputs, Heidke skill score 0.51 on independent test sample; substantial improvement over best single predictor.
Impact
ANN-based multivariate models substantially improved thunderstorm identification over single predictors.
Record
| Venue | Journal of Applied Meteorology and Climatology |
|---|---|
| Published | 2017 |
| Work type | article |
| Authors | Peter Ukkonen, Agostino Manzato, Antti Mäkelä |
| Citations | 31 (OpenAlex, at import time) |
| References | 56 |
| Model or method | artificial neural networks (ANN) |
| Organization | not stated in source |
| Primary source | https://doi.org/10.1175/jamc-d-16-0361.1 |
| Open access | closed |
| Keywords | neural networks, thunderstorm prediction, reanalysis, Heidke skill score, convection |
Importance rating
real but narrower advance
Improves multivariate thunderstorm identification from reanalysis data, benefiting the forecasting community; abstract gives no scale of people, aviation, or property affected.
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