Melanie Schroers – November 19
School of Meteorology MS Thesis Defense Potential Predictability and Impacts of Subseasonal Extreme Precipitation Events in the United States Melanie Schroers Thursday, November 19th 2:00pm Join Google Meet: https://meet.google.com/hjt-mbix-mxi Prediction of climate extremes at the S2S time scale has become a large topic of conversation between researchers and decision makers. Long duration precipitation […]
Nathan Lis – July 6
ARRC Dissertation Defense Monday, July 6 @ 1:00 PM CT Drop Size Distribution Retrieval from Radar Data to Enhance the Spectral Bin Classification in Detecting Icing Conditions Nathan Lis School of Meteorology Please join my meeting from your computer, tablet or smartphone. https://global.gotomeeting.com/join/152903101 You can also dial in using your phone. United States: +1 (646) […]
Joel McAuliffe – June 29
School of Meteorology Colloquium A comparative Convective Study between the Local Particle Filter and Ensemble Kalman Filter with the Gridpoint Statistical Interpolation System Joel McAuliffe Monday, June 29th 1:00 pm Join Google Meeting meet.google.com/gpo-dokq-brn The localized particle filter (LPF) is a recent advance in ensemble data assimilation for numerical weather prediction. Derived […]
Makenzie Krocak – June 12
School of Meteorology Colloquium If we forecast it, they may (or may not) use it: sub-daily severe weather timing information and its utility for forecasters, stakeholders, and end users Makenzie J Krocak Friday, June 12th 2:00 pm Join Zoom Meeting https://oklahoma.zoom.us/j/98827021217?pwd=SndZR3VwdlhEeDZ6d0MzWlQ2bkhnQT09 Meeting ID: 988 2702 1217 Password: 975450 Severe weather causes significant damage and […]
Bo Huang – April 30
School of Meteorology Colloquium Reducing Sampling Errors of the Background Error Covariance Estimate in Ensemble-based Data Assimilation Bo Huang Thursday, April 30 @ 9:00 AM (Central time) https://oklahoma.zoom.us/j/93220661533?pwd=U2x3QzNmUnZ5QmQ2ZzhyMGtaejk5QT09 Meeting ID: 932 2066 1533 Password: 893184 Ensemble-based data assimilation (DA) estimates forecast error in a flow-dependent fashion, in contrast to the traditional variational […]
Tim Supinie – April 24
Four-Dimensional Ensemble Kalman Filter Assimilation of High Temporal Resolution Phased Array Radar Data With Real Convective Storm Cases Tim Supinie Friday, April 24th 2:00 PM CDT Join Zoom Meeting https://oklahoma.zoom.us/j/592764373?pwd=bkMySkU2bEorWDVjSytqanhRNXF6dz09 Zoom Meeting ID: 592 764 373 Password: 423984 With the US National Weather Service (NWS) Weather Surveillance Radar-1988 Doppler (WSR-88D) radar network […]
Ryan Lagerquist- April 8
Using Deep Learning to Improve Prediction and Understanding of High-impact Weather Ryan Lagerquist Wednesday, April 8th 11:00 am https://oklahoma.zoom.us/j/822210097 Zoom password: 596031 I describe the application of convolutional neural networks (CNN), a type of deep-learning method, to high-impact weather. CNNs are specially designed to learn directly from spatial grids, which improves both skill and interpretability. […]
Daniel Tripp- Nov 12
Name: Daniel Tripp Title: AN ASSESSMENT OF OKLAHOMA WINTER WEATHER THROUGH THE HIGH-RESOLUTION LENS OF UNMANNED AERIAL VEHICLES Location: NWC 5600 Date: 2019/11/12 Time: 2:30 PM Series: MASTERS THESIS DEFENSE Abstract: Winter weather can lead to power grid failures, disruption of transportation, and can impact the local economy. Specifically in the southern Great Plains, short term […]
Xu Lu- Oct 21
School of Meteorology (Defense) Improving High-Resolution Tropical Cyclone Prediction using a Cycled, GSI-Based Hybrid Ensemble-Variational Data Assimilation System for HWRF with Vortex Scale Observations Xu Lu Monday, October 21st 2:00 pm/NWC 5600 A GSI-based, continuously cycled, dual-resolution hybrid EnKF-Var DA system is developed for the HWRF Model. The newly developed DA system is then […]
Briana Lynch- Thesis Defense – Aug 27
“The Influence of Urban Form and Vegetation on Near-Source Dispersion in a Realistic Urban Canopy” NWC 5600 ABSTRACT: The atmospheric boundary layer controls many interactions within the troposphere from larger scale atmospheric features to land-atmospheric interactions. The urban boundary layer is the layer above an urban area that is heavily impacted by what happens below, […]