Seminars
How and Why Does Tropical Cyclone Precipitation Respond to Climate Change?
December 8, 2022 10:00 am
CIRA Commons
Presented by: Alyssa Stansfield
Hosted by: Dr. Steve Miller
NSF Postdoctoral Fellow Department of Atmospheric Science in Professor Kristen Rasmussen's research group
Tropical cyclone (TC) precipitation can create dangerous hazards and cause millions of dollars in damages. While previous literature agrees that future TC precipitation will increase due to rising global temperatures, the estimates of how much it will increase vary, ranging from around 3 to 20% per °C of warming, or three times the Clausius-Clapeyron scaling… Read more »
Quantifying tropical cyclone behavior with open-source tools across spatial and temporal scales
November 17, 2022 11:00 am
CIRA Commons
Presented by: Kimberly M. Wood
Hosted by:
Department of Geosciences Mississippi State University
The ever-expanding volume of readily-available atmospheric data requires matching improvements in computational power and computing tools. There is a growing ecosystem of geoscience Python packages and increasing federal funding for such efforts, but it can be challenging to identify the most appropriate tools for a given task and then navigate the learning curve required to… Read more »
Air quality and haze across the U.S over the past 30 years: past and current issues
November 15, 2022 1:30 pm
CIRA Commons, Lower Level
Presented by: Jenny Hand
Hosted by:
CIRA-NPS
Over the past 30 years, dramatic changes in particulate matter composition across the U.S. have been evidenced by trends in speciated aerosol data collected by large-scale U.S. monitoring networks, such as the Interagency Monitoring of Protected Visual Environments (IMPROVE) network. In this presentation, I will discuss how these trends point to the success of combined… Read more »
Use of mixture-model track clustering to interpret tropical cyclone ensemble forecasts
October 31, 2019 10:00 am
CIRA Director’s Conference Room
Presented by: Alex Kowaleski
Hosted by: Dr. Kate Musgrave, CIRA
Penn State University
Ensemble forecasts of tropical cyclones provide a wealth of data for operational forecasters and researchers, but fully utilizing the data remains a challenge. Regression mixture-model clustering is demonstrated as a method to partition tropical cyclone ensemble forecasts into a small number of groups based on track. Clustering facilitates the exploration of storm evolution and hazards… Read more »
Satellite radiance data assimilation within the NOAA hourly Rapid Refresh and High-Resolution Rapid Refresh
September 25, 2019 10:30 am
CIRA Director’s Conference Room
Presented by: Dr. Haidao Lin
Hosted by:
CIRA/CSU and NOAA/ESRL/GSD
Satellite radiance data have been shown to have consistent positive impact with statistical significance within the NOAA Rapid Refresh (RAP) hourly updated model system. RAP version 4 (RAPv4) was implemented operationally at the National Centers for Environmental Prediction (NCEP) in July 2018. This implementation included a significant radiance upgrade package with greater use of direct… Read more »
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