Seminars

Archive. The Boundary Layer, Urban Meteorology, and Land-Surface Processes (BUL) Seminar Series is no longer active. Past talks remain available below; recordings are on the YouTube channel.

Schedule at a glance

Past convener: Elizabeth Smith
Recording: YouTube Channel

2025

Heat and Moisture Transport Dynamics within the Convective Boundary Layer: Insights from the Southern Great Plains ARM Site

May 5, 2025 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Introduction to Blowing and Drifting Snow Processes and Their Representation in Numerical Models

Apr 28, 2025 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Quantifying the Dependence of Cloud Vertical Structure during Cold Air Outbreaks (CAOs) on Environmental Conditions: Preliminary Results from CEASAR

Apr 21, 2025 3:00 PM — 3:50 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Adapting Backward Lagrangian Stochastic Footprint Modeling to Diverse Urban Scenarios

Apr 14, 2025 3:00 PM — 3:50 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Evaluation of a High-Resolution Operational Numerical Weather Prediction Product in Capturing Urban Heat Dynamics in a Small City

Mar 31, 2025 3:00 PM — 3:50 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

A Climatology of Snowfall Events over the United States Central Great Plains

Mar 24, 2025 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Self-Organizing Maps for Urban Heat Island Analysis

Mar 10, 2025 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Using simulations to explore how assimilating observations from a boundary layer profiling network impacts WoFS ensemble forecasts of significant severe weather events

Mar 3, 2025 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

2024

Timescales for Prandtl slope flow

Dec 9, 2024 3:30 PM — 2:20 PM NWC 1350 with online option via [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Multi-parameterization of Hydrological Processes in a Single-Layer Urban Canopy Model

Nov 25, 2024 3:30 PM — 4:30 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Spatial Variability in the Diurnal Evolution of Planetary Boundary Layer Heights in a Coastal-Urban Environment

Nov 18, 2024 3:30 PM — 4:20 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Dependence of Marine Boundary Layer Cloud Properties on Environmental Conditions during Cold Air Outbreaks over the North Atlantic: Results from CAESAR

Nov 4, 2024 3:30 PM — 4:20 PM NWC 1350 with online option via [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Analysis of Potential Wind Farm Impacts on Turbulent Mixing and the Nocturnal Low-Level Jet during the American WAKE ExperimeNt (AWAKEN)

Oct 21, 2024 3:30 PM — 4:20 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Evaluation of convection-allowing model ensemble members using a network of planetary boundary layer observations from the TRACER field campaign

Oct 7, 2024 3:30 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

The Houston Urban Heat Island Effect: Motivation and Initial Findings from the 2022 TRACER Field Campaign

Apr 22, 2024 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/ybr-pnyv-dhg)

Evaluation of Flash Drought Identification with Machine Learning Techniques

Apr 15, 2024 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Modeling the Effects of Turbulent Supersaturation Fluctuations in Large Eddy Simulations

Apr 1, 2024 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Introduction to Blowing and Drifting Snow Processes and Their Representation in Numerical Models

Mar 25, 2024 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

NCAR ASP Atmospheric Boundary Layer Colloquium Experience

Mar 11, 2024 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

A Preliminary Analysis of the Impacts of Assimilating UAS Data in NSSL’s Experimental Warn-on-Forecast System

Mar 4, 2024 3:00 PM — 3:50 PM NWC 1350 and [Google Meet](http://meet.google.com/wnq-hmtm-meu)

2023

Quantifying the thermodynamic impacts on the atmospheric boundary layer due to the sea breeze in the coastal Houston region

Nov 27, 2023 3:00 PM — 3:50 PM NWC 1350 and [Google Meet](http://meet.google.com/wnq-hmtm-meu)

Comparisons of Environmental Influences on Boundary Layer Clouds Macro- and Microphysical properties over the North Atlantic and Southern Ocean: Results from COMBLE and MARCUS

Nov 20, 2023 3:00 PM — 3:50 PM NWC 1350 with online option via [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Revisiting valley winds

Nov 6, 2023 3:00 PM — 3:50 PM NWC 1350 with online option via [Google Meet](https://meet.google.com/wnq-hmtm-meu)

An Early Look into Boundary Layer-Wind Farm Interactions from the American Wake Experiment

Oct 23, 2023 3:00 PM — 1:50 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

The Variability of the Houston Sea-Breeze: Analysis of Planetary Boundary-Layer Height Evolution and Characteristics from Observations During TRACER-CUBIC

Oct 16, 2023 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/wnq-hmtm-meu)

Using Ground-Based Mobile Profiling Systems to Explore the Relationship Between Boundary Layer Heterogeneity and Storm-scale Processes in the Southeast United States

May 8, 2023 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/ybr-pnyv-dhg)

Understanding Boundary Layer Transport of Carbon-Based Pollutants During the TRACER Campaign Using Unsupervised Machine Learning

Apr 17, 2023 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/ybr-pnyv-dhg)

Turbulence regimes in the stable and convective boundary layers: tower observations and single-column modeling

Mar 27, 2023 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/ybr-pnyv-dhg)

Exploring CopterSonde Use for National Weather Service Operations

Mar 20, 2023 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/ybr-pnyv-dhg)

2022

Sea-Breeze Events Near Houston During the TRACER-CUBIC Campaign

Dec 12, 2022 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/aws-arix-cwq)

Subgrid-Scale Modeling of the Scalar Variance in Large Eddy Simulation

Dec 5, 2022 3:00 PM — 4:00 PM NWC1350 and [Google Meet](https://meet.google.com/axw-arix-cwq)

A preliminary examination of wind farm effects on the atmospheric boundary layer during the American WAKE ExperimeNt

Nov 28, 2022 3:00 PM — 4:00 PM NWC 1350 and [Google Meet](https://meet.google.com/aws-arix-cwq)

Noah-MP parameter optimization at southern great plains using Bayesian Optimization

Nov 14, 2022 3:00 PM — 3:50 PM NWC 1350 and [Google Meet](meet.google.com/aws-arix-cwq)

Investigating sea breeze impacts on the atmospheric boundary layer using UAS observations from the TRACER campaign

Nov 7, 2022 3:00 PM — 3:50 PM NWC 1350 and [Google Meet](http://meet.google.com/aws-arix-cwq)

Diurnal variations of the Ekman layer in a Rossby wave

Oct 31, 2022 3:00 PM — 3:50 PM NWC 1350 with online option via [Google Meet](https://meet.google.com/aws-arix-cwq)

Dependence of Retrieved Cloud Properties on Environmental Conditions in Cold Air Outbreaks over the North Atlantic: Results from COMBLE

Sep 26, 2022 3:00 PM — 3:50 PM NWC 1350 with online option via [Google Meet](https://meet.google.com/aws-arix-cwq)

Long-Term Boundary Layer Evolution in the CHEESEHEAD 2019 Campaign and its Role in the 19-20 July 2019 Severe Weather Outbreak

Apr 4, 2022 3:00 PM — 4:00 PM Virtual: [Google Meet](https://meet.google.com/fcr-hokz-ubf)

Random Errors in the Stable Boundary Layer: Implications for Modern Observational Techniques

Mar 7, 2022 3:00 PM — 4:00 PM Virtual: [Google Meet](https://meet.google.com/fcr-hokz-ubf)

Upscaling the Coupled System of Water Flux and Heat Exchanges near the Soil Subsurface – towards Coupling with Atmospheric Processes

Feb 7, 2022 3:00 PM — 4:00 PM Virtual: [Google Meet](https://meet.google.com/fcr-hokz-ubf)

2021

A Sneak Peek into Techniques for Improving Boundary Layer Height Measurements

Nov 16, 2021 2:00 PM — 3:00 PM Virtual: [Google Meet](https://meet.google.com/fcr-hokz-ubf)

Identification of Flash Drought Events using Machine Learning Techniques

Nov 6, 2021 2:00 PM — 3:00 PM Virtual: [Google Meet](https://meet.google.com/fcr-hokz-ubf)

Thermally-driven turbulent secondary flows: Prandtl’s secondary flow of the third kind

Oct 19, 2021 2:00 PM — 3:00 PM Virtual: [Google Meet](https://meet.google.com/fcr-hokz-ubf)

Dependence of Retrieved Cloud Properties on Environmental Conditions in Cold Air Outbreaks over the North Atlantic: Results from COMBLE

Oct 12, 2021 2:00 PM — 3:00 PM Virtual: [Google Meet](https://meet.google.com/fcr-hokz-ubf)

Disentangling the relative contribution of land-atmosphere coupling toward the evolution of extreme events

Apr 30, 2021 2:00 PM — 3:00 PM NWC Colloquium [Google Meet](https://meet.google.com/tbg-ozvi-wsv)

Large Eddy Simulations of Stable Boundary Layers and Implications for UAS Sampling

Apr 20, 2021 1:00 PM — 2:00 PM Virtual

Toward optimizing ground-based thermodynamic retrievals with WxUAS

Apr 13, 2021 1:00 PM — 2:00 PM Virtual

Emergence of a nocturnal low-level jet from a broad baroclinic zone

Apr 6, 2021 1:00 PM — 2:00 PM Virtual

2020

Pushing the Boundary (Layer): An Initiative for Boundary-Layer Research in the National Weather Center Community

Nov 17, 2020 2:00 PM — 3:00 PM Virtual

Nocturnal Low-Level Jet: Making the Atmosphere Unstable Again

Nov 10, 2020 2:00 PM — 3:00 PM Virtual

Low-level buoyancy as a tool to characterize the atmospheric boundary layer

Oct 20, 2020 2:00 PM — 3:00 PM Virtual

Climatological Analysis of Flash Drought Criteria

Apr 28, 2020 2:00 PM — 3:00 PM Virtual

The Effects of Urban Geometry on Point-Source Scalar Plume Statistics: A Large Eddy Simulation Study

Apr 21, 2020 2:00 PM — 3:00 PM Virtual

GHGs comparisons between WRF-VPRM and tower observations in urban scale

Apr 14, 2020 2:00 PM — 3:00 PM Virtual

Distributions of Condensation Nuclei, Cloud Condensation Nuclei and Cloud Properties over the Southern Ocean: Primary Results from MARCUS

Apr 7, 2020 2:00 PM — 3:00 PM Virtual

Initiation mechanisms of nocturnal convection without nearby surface boundaries

Mar 31, 2020 2:00 PM — 3:00 PM Virtual

Characterizing Turbulence in Arctic Stable Boundary Layers During ISOBAR 2018

Mar 24, 2020 2:00 PM — 3:00 PM Virtual

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Seminar Schedule