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

Program Chairs: Belay B. Demoz , Univ. of Maryland, Baltimore County ; Tammy M. Weckwerth , NCAR

- Indicates paper has been withdrawn from meeting
- Indicates paper is an Award Winner

Sunday, 7 January 2018

4:00 PM-5:00 PM: Sunday, 7 January 2018

Tuesday, 9 January 2018

8:30 AM-10:00 AM: Tuesday, 9 January 2018


Session 1
Convection Initiation
Location: Room 6A (ACC) (Austin, Texas)
Host: A Special Symposium on Plains Elevated Convection At Night (PECAN)
CoChair: Brian J. Carroll, Univ. of Maryland, Baltimore County
9:00 AM
1.3
Mesoscale Ascent in Nocturnal Low-Level Jets
Alan Shapiro, Univ. of Oklahoma, Norman, OK; and E. Fedorovich and J. Gebauer

10:00 AM-10:30 AM: Tuesday, 9 January 2018


Coffee . Break

10:30 AM-12:00 PM: Tuesday, 9 January 2018


Session 2
Bores and LLJs
Location: Room 6A (ACC) (Austin, Texas)
Host: A Special Symposium on Plains Elevated Convection At Night (PECAN)
CoChair: Hristo Georgiev Chipilski, Univ. of Oklahoma
10:30 AM
2.1
Thermodynamic Profiling during Undular Bore and Cold Pool Conditions at PECAN FP2
Belay Demoz, Univ. of Maryland, Baltimore County, Baltimore, MD; and B. J. Carroll, R. Delgado, K. Vermeesch, and D. Whiteman

11:00 AM
2.3
When You Get Bore-d: A Composite Analysis of the Impacts of Bore Passage on Boundary Layer Structure and Instability
Timothy J. Wagner, CIMSS/Univ. of Wisconsin, Madison, WI; and D. M. Loveless, D. D. Turner, S. A. Ackerman, and W. F. Feltz

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


Session 3
MCSs
Location: Room 6A (ACC) (Austin, Texas)
Host: A Special Symposium on Plains Elevated Convection At Night (PECAN)
Cochairs: Brian Joseph Squitieri, Iowa State Univ.; Guo Lin, Univ. of Wyoming
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

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

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

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

3:30 PM
3.9

3:45 PM-5:30 PM: Tuesday, 9 January 2018


Formal Poster Viewing with Coffee Break
Location: Exhibit Hall 3 (ACC) (Austin, Texas)

Poster Session
Posters
Location: Exhibit Hall 3 (ACC) (Austin, Texas)
Host: A Special Symposium on Plains Elevated Convection At Night (PECAN)
829
Boundary Layer Structure and Low-Level Jets during PECAN
Brian J. Carroll, Univ. of Maryland, Baltimore County, Baltimore, MD; and B. Demoz, Z. Yang, and R. Delgado

830
A Recent Climatological Look at Tornado Events Relative to Sunset
Erik R. Nielsen, Colorado State Univ., Fort Collins, CO; and G. R. Herman, J. M. Peters, and R. S. Schumacher

Handout (46.4 MB)

833
Drop-Size Distribution Observations from PECAN in Mesoscale Convective System Convective 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

834
PX-1000 Observations of Mesoscale Convective Systems during PECAN
David J. Bodine, Univ. of Oklahoma, Norman, OK; and J. M. Kurdzo, B. L. Cheong, and K. L. Rasmussen

838
Impacts of Low-Level Stability on MCS Propagation
Stacey M. Hitchcock, Colorado State Univ., Fort Collins, CO; and R. S. Schumacher, K. R. Haghi, and D. B. Parsons

840
An Object-Based Algorithm for the Identification and Tracking of Convective Outflow Boundaries
Hristo Georgiev Chipilski, Univ. of Oklahoma, Norman, OK; and X. Wang and D. B. Parsons

841
Impact of Assimilating PECAN IOP Observations on the Numerical Prediction of Bores and Bore-Initiated Convection
Hristo Georgiev Chipilski, Univ. of Oklahoma, Norman, OK; and X. Wang and D. B. Parsons

844
Comparison of Moisture and Temperature Profiles during PECAN
Segayle C. Thompson, Howard Univ., Washington, DC; and S. C. Thompson

Wednesday, 10 January 2018

12:00 PM-1:30 PM: Wednesday, 10 January 2018


Lunch Break