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Concurrent Increases In Wet And Dry Extremes Projected In Texas And Combined Effects On Groundwater, Jin-Ho Yoon, S-Y Simon Wang, Min-Hui Lo, Wen-Ying Wu
Concurrent Increases In Wet And Dry Extremes Projected In Texas And Combined Effects On Groundwater, Jin-Ho Yoon, S-Y Simon Wang, Min-Hui Lo, Wen-Ying Wu
Plants, Soils, and Climate Faculty Publications
The US state of Texas has experienced consecutive flooding events since spring 2015 with devastating consequences, yet these happened only a few years after the record drought of 2011. Identifying the effect of climate variability on regional water cycle extremes, such as the predicted occurrence of La Nina in winter 2017–2018 and its association with drought in Texas, remains a challenge. The present analyses use large-ensemble simulations to project the future of water cycle extremes in Texas and assess their connection with the changing El Nino–Southern Oscillation (ENSO) teleconnection under global warming. Large-ensemble simulations indicate that both intense drought and …
Synoptic And Climate Attributions Of The December 2015 Extreme Flooding In Missouri, Usa, Boniface Fosu, Simon Wang, Kathleen Pegion
Synoptic And Climate Attributions Of The December 2015 Extreme Flooding In Missouri, Usa, Boniface Fosu, Simon Wang, Kathleen Pegion
Plants, Soils, and Climate Faculty Publications
Three days of extreme rainfall in late December 2015 in the middle of the Mississippi River led to severe flooding in Missouri. The meteorological context of this event was analyzed through synoptic diagnosis into the atmospheric circulation that contributed to the precipitation event’s severity. The midlatitude synoptic waves that induced the extreme precipitation and ensuing flooding were traced to the Madden Julian Oscillation (MJO), which amplified the trans-Pacific Rossby wave train likely associated with the strong El Niño of December 2015. Though the near-historical El Niño contributed to a quasi-stationary trough over the western U.S. that induced the high precipitation …