Session: MCSs (98th American Meteorological Society Annual Meeting)

Tuesday, 9 January 2018: 1:30 PM-3:45 PM

Room 6A (ACC) (Austin, Texas)

Host: A Special Symposium on Plains Elevated Convection At Night (PECAN)

Cochairs:

Brian Joseph Squitieri, Iowa State Univ., Department of Geological and Atmospheric Sciences, Ames, IA and Guo Lin, Univ. of Wyoming, Atmospheric Science, Laramie, WY

Papers:

1:30 PM

3.1

What We Have Learned about Nocturnal MCS Environments from High-Temporal-Resolution PECAN Sounding Observations

Russ S. Schumacher, Colorado State Univ., Fort Collins, CO; and S. M. Hitchcock, M. D. Parker, M. C. Coniglio, C. L. Ziegler, and J. M. Peters

Recorded Presentation

1:45 PM

3.2

PECAN: Characteristics of Potentially Severe Wind Producing Nocturnal MCSs

Karen A. Kosiba, Center for Severe Weather Research, Boulder, CO; and J. Wurman and P. Robinson

Recorded Presentation

2:00 PM

3.3

Evolution of Mesoscale Convective System Organization Structure and Convective Line Propagation

Kristen Lani Rasmussen, Colorado State Univ, Fort Collins, CO; and D. Bodine

Recorded Presentation

2:15 PM

3.4

Microphysical and Resolution Influences on WRF Forecasts of Convective Morphology Evolution for Nocturnal MCSs in Weakly Forced Environments

Jonathan E. Thielen, Iowa State Univ., Ames, IA; and W. A. Gallus Jr. and B. J. Squitieri

Recorded Presentation

2:30 PM

3.5

Drop-Size Distribution Observations from PECAN in Mesoscale Convective System Stratiform Regions

David J. Bodine, Univ. of Oklahoma, Norman, OK; and K. L. Rasmussen, K. Friedrich, K. A. Kosiba, J. M. Wurman, and P. A. Kucera

Recorded Presentation

2:45 PM

3.6

Analysis of PECAN 2015 MCSs Utilizing Airborne- and Ground-Based Doppler Observations and Airborne In Situ Microphysical Data

Daniel M. Stechman, Univ. of Illinois, Urbana, IL; and R. M. Rauber, G. M. McFarquhar, M. M. Bell, B. F. Jewett, R. A. Black, D. P. Jorgensen, and T. J. Schuur

Recorded Presentation

3:00 PM

3.7

Structure and Dynamics of an Intense Rear-Inflow Jet Observed on 20 June 2015 during PECAN

Michael M. Bell, Colorado State Univ., Fort Collins, CO; and J. Martinez, D. M. Stechman, R. M. Rauber, G. M. McFarquhar, and A. Marchi

Recorded Presentation

3:15 PM

3.8

Analyses of a Severe MCS and Tornadic Mesovortex Observed by PECAN on 5–6 July 2015

Matthew D. Flournoy, Univ. of Oklahoma, Norman, OK; and M. C. Coniglio and C. L. Ziegler

Recorded Presentation

3:30 PM