Storm-scale interactions with rough terrain are complex. Terrain has been theorized to impact the strength of low-level mesocyclones. Surface roughness and modifications of the surrounding environment also may impact tornadogenesis or tornado intensity. The Mountainburg, Arkansas EF2 tornado on 13 April 2018 traveled along a path with minor variations in intensity and elevation throughout most…
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JOM: Analysis of Model Thermal Profile Forecasts Associated with Winter Mixed Precipitation within the United States Mid-Atlantic Region
Winter mixed-precipitation events across the mid-Atlantic region of the United States from 2013–2014 through 2018–2019 were used to analyze common short-term model forecasts of vertical atmospheric thermal structure. Using saturated forecast soundings of the North American Mesoscale (NAM), higher-resolution nested NAM (NAMnest), and the Rapid Refresh models—corresponding with observed warm-nose precipitation events (WNPEs)—several thermal metrics…
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2022 Annual Meeting in Pittsburgh August 20-24
The meeting will be held at the Sheraton Pittsburgh Hotel at Station Square. Room prices are the government per diem rate valid for August 2022, currently $124 + tax. The room block will open in early April and more information will be provided then. Theme: “Convergence” Kathy Sherman-Morris, NWA 2022 President The theme for the…
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February 2022 President’s Message
[caption id="attachment_6074" align="alignleft" width="150"] President Kathy Sherman-Morris[/caption] This Black History Month you may have heard stories about some of the early pioneers in our field who were Black. We remember June Bacon-Bercey, who was the first African American woman with a degree in meteorology to deliver the forecast on-air. Bacon-Bercey was also the first African…
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