Code Release for Giannakopoulos and Furtado 2025

Code for “Examining the Characteristics and Evolution of Wintertime Temperature Whiplash Events in the United States Southern Plains” (Giannakopoulos and Furtado 2025) Scripts tsi_calc.py - Calculation of the Southern Plains Temperature Swing Index whiplash_definition.py – Defines temperature whiplash events for the study and creates figure 1 trends_fig_manuscript.py – Calculates and creates figure 2 height_composites.py – Calculates and creates figures 3 and 4 vT_Composites_HtoCWhiplashes.py - Calculates and creates figure 5 weather_regime_figure.py – Creates figure 6 Documents daily_tsi_index_allmonths.nc – The daily Temperature Swing Index across the United States from 1950-2023 using ERA5 hc_whiplash_xarr_final.nc – Cot-to-cold whiplash database ch_whiplash_xarr_final.nc – Cold-to-hot whiplash database detrended_regimes_1950_2023_NDJFM.txt – Weather regimes from 1950-2023 (provided by Oliver Millin) MK_refl_ind_1950_2022.txt – Daily Reflection Index from 1950-2022