Boundary Layer, Urban Meteorology, and Land-Surface Processes Seminar Emergence of a nocturnal low-level jet from a broad baroclinic zone Alan Shapiro Tuesday, April 6th 1:00pm Join Google Meet: meet.google.com/taw-hdgp-cfe We consider a theory for the generation of a nocturnal low-level jet (NLLJ) within a broad (diffuse) baroclinic zone over flat terrain. The flow […]
Convective Meteorology (Mesoscale Dynamics) Seminar A Preliminary Radar Investigation of the 17 May 2021 McCook / Farnam, NE Tornadic Supercell during TORUS Martin Satrio Friday, April 2nd 3:30 pm Join Google Meet https://meet.google.com/ksh-txvg-kni While numerical simulations have highlighted the importance of the streamwise vorticity current (SVC) in modulating the low-level mesocyclone in supercells, […]
Weather and Climate Systems Seminar Relationships between lidar aerosol extinction/backscatter coefficients and CCN number concentrations during the NASA ORACLES campaigns Emily Lenhardt Wednesday, March 31st 2:00 pm Join Google Meet: https://meet.google.com/jdv-kpfr-gnu Due to seasonal biomass burning and the presence of a semi-permanent stratocumulus deck off the western coast of Africa, the Southeast Atlantic (SEA) region […]
Convective Meteorology (Mesoscale Dynamics) Seminar Frequent Assimilation of Enhanced AMVs Using Hybrid EnVar to Improve Hurricane Prediction Ben J. Davis Friday, March 26th 3:30pm Join Google Meet https://meet.google.com/ksh-txvg-kni Novel high frequency, high resolution enhanced atmospheric motion vector (AMV) data is assimilated in Hurricane Irma (2017). The enhanced AMV data set has sub-hourly frequency, 6 […]
Convective Meteorology (Mesoscale Dynamics) Seminar An Introduction to the Cloud Particle Model: A Novel Particle Based Cloud Microphysics Numerical Model Logan Roy Friday, March 26th 3:00 pm Join Google Meet https://meet.google.com/ksh-txvg-kni Numerical weather prediction and climate models have large uncertainties associated with representing clouds and microphysical properties and processes, which involve a […]
Weather and Climate Systems Seminar Information Content Analysis of Combined Lidar-Polarimeter Retrievals to Improve Aerosol Remote Sensing Accuracy David Nowicki Wednesday, March 24th 2:00 pm Join Google Meet: https://meet.google.com/jdv-kpfr-gnu Aerosols are small particles suspended in the atmosphere that affect global climate change by scattering and absorbing light. Additionally, the prevalence of some toxic aerosols […]
Convective Meteorology (Mesoscale Dynamics) Seminar Characterizing the occurrence and spatial heterogeneity of liquid, ice and mixed phase clouds over the Southern Ocean using in situ observations John D’Alessandro Friday, March 19th 3:00pm Join Google Meet https://meet.google.com/ksh-txvg-kni Low level clouds over the Southern Ocean are an essential component controlling the energy budget over the region, […]
Weather and Climate Systems Seminar Extending 4STAR Measurements and Retrievals from the 2016 ORACLES Campaign Logan Mitchell Wednesday, March 17th 2:00 pm Join Google Meet: https://meet.google.com/jdv-kpfr-gnu Aerosols play a complex role in Earth systems, cooling in certain contexts and warming in others, such that their radiative forcing remains a persistent climate modeling uncertainty. These […]
Convective Meteorology (Mesoscale Dynamics) Seminar Exploring Observational Tornado Debris Signature Hypotheses Using Radar Simulations and Large-Eddy Simulations Rachael Cross Friday, March 12th 3:00pm Join Google Meet https://meet.google.com/ksh-txvg-kni Tornadoes can loft various types and sizes of debris, sometimes resulting in a polarimetric radar signature called the TDS (Tornado Debris Signature). The presence of a TDS in the radar data […]
Weather and Climate Systems Seminar Global Analysis of Characteristics of Tropical Easterly Waves in MERRA-2 and Related Precipitation Margaret Hollis Wednesday, March 10th 2:00pm Join Google Meet: meet.google.com/asy-kyno-rxf Tropical easterly waves (TEWs) are important components of tropical convection and precipitation, and sometimes develop into tropical cyclones (TCs). African easterly waves (AEWs) […]
