A new year-round weather regime classification for North America

SH Lee, MK Tippett, LM Polvani - Journal of Climate, 2023 - journals.ametsoc.org
Weather regimes defined through cluster analysis concisely categorize the anomalous
regional circulation pattern on any given day. Owing to their persistence and low …

The Dynamical Footprint of Year‐Round North American Weather Regimes

SH Lee, G Messori - Geophysical Research Letters, 2024 - Wiley Online Library
Weather regimes have been defined over multiple regions and used in a range of practical
applications, including subseasonal‐to‐seasonal forecasting and climate model evaluation …

Forecasting atmospheric persistence and implications for the predictability of temperature and temperature extremes

E Holmberg, S Tietsche… - Quarterly Journal of the …, 2024 - Wiley Online Library
Extreme temperatures can cause severe disruptions to society, from negative health
consequences to infrastructure damage. Accurate and timely weather forecasts contribute to …

Improving the CFSv2 Seasonal Precipitation Forecasts across the United States by Combining Weather Regimes and Gaussian Mixture Models

C Ratterman, W Zhang, G Affram… - Journal of …, 2023 - journals.ametsoc.org
Although seasonal climate forecasts have major socioeconomic impacts, current forecast
products, especially those for precipitation, are not yet reliable for forecasters and decision …

Clustering Anomalous Circulations and Their Implications on the Prediction of Minimum 2-m Air Temperature over Northeastern China during Winter

Y Zhou, B Liu, B Lei, Q Zhao, S Sun… - Monthly Weather …, 2024 - journals.ametsoc.org
The ERA5 reanalysis during cold months (November–March) of 1979–2020 was used for
determining four cluster centroids through the k-means for classifying regional anomalies of …

Forecast accuracy and physics sensitivity in high-resolution simulations of precipitation events in summer 2022 by the Korean Integrated Model

EH Lee, S Cho, KH Cho, JY Han, Y Lee… - Asia-Pacific Journal of …, 2024 - Springer
The precipitation prediction of the Korean Integrated Model (KIM) is evaluated over South
Korea for the summer season of July–August 2022, and key factors for accurate predictions …

How do the Pacific and Atlantic Oceans synergize to modulate Southeastern United States Precipitation Variability?

P Singhai, K Pegion, AA Akinsanola, B Singh… - arXiv preprint arXiv …, 2024 - arxiv.org
This study explores the mechanisms behind anomalous positive and negative rainfall events
in the southeastern United States (SEUS), emphasizing the interplay between upper-level …

Regional extreme precipitation events in wintertime Japan facilitated by East-Asian large-scale flow patterns

T Matsunobu, JF Quinting, CM Grams, M Matsueda - SOLA, 2023 - jstage.jst.go.jp
The statistical and dynamical relationships between regional extreme precipitation events
(EPEs) during wintertime in five Japanese regions and East-Asian synoptic weather patterns …

Ensemble Predictability of Week 3/4 Precipitation and Temperature over the United States via Cluster Analysis of the Large-Scale Circulation

G Jennrich, D Straus, M Chelliah… - Weather and …, 2024 - journals.ametsoc.org
Forecasting the week 3/4 period presents many challenges, resulting in a need for
improvements to forecast skill. At this distance from initial conditions, numerical models …