PPT-Characteristics of Mesoscale Convective Systems during DYNA

Angela Rowe and Robert Houze Jr University of Washington ASR Fall Working Groups AMIEMJO Breakout November 2013 Rockville MD S PolKa Zuluaga and Houze 2013 6 7 8 1 2 3. Crystal K Williams. Department of Geography-Geology. Illinois State University. Outline. Introduction/Background. Mesoscale Convective Systems. Squall Lines. Precipitation. Conclusions. Introduction. Brian Guyer & Deirdre Kann, National Weather Service, Albuquerque, NM. Project Summary. OBJECTIVE: . Test the growing suite of convective initiation products to determine their potential to improve forecasts and detection of hazardous convective events during the North American monsoon season.. 30. th. AMS Conference on Hurricanes and Tropical Meteorology. Matthew A. Janiga and Chris D. Thorncroft. University at Albany, SUNY. Niamey. Bamako. 500 km. Adapted from Fink and Reiner (2003). Squall Line Generation. . Banding in Two East Coast Snowstorms. Adam Frumkin. Outline . Motivation. Introduction and Background. Objectives/Methods. Introduction to the Two Cases. Results. Conclusions. Motivation. Snowfall rates in mesoscale snowbands can exceed 4in/h. Kristen . Lani. Rasmussen. Robert A. Houze, Jr. ., Anil Kumar. 2013 Mesoscale Processes, Portland, OR . 9 August 2013. Convective . “. h. ot spots. ”. occur near major mountain ranges (. Zipser. http://www.ucar.edu/communications/factsheets/Tornadoes.html. Packet#1. What is meant by “Mesoscale Meteorology”?. ATMS 316- Mesoscale Meteorology. http://www.ucar.edu/communications/factsheets/Tornadoes.html. Weather Systems – Fall 2015. Outline:. a. Stability Indices. b. Wind Shear and . Helicity. c. How to relate to predicted / observed convective weather. Convective Parameters. Weather Systems – Fall 2015. http://www.ucar.edu/communications/factsheets/Tornadoes.html. Packet#3. Interesting things happen at the . boundaries. , or at the . interface. …. Land, water (coastline). ATMS 316- Mesoscale Meteorology. &. related issues. P. . Mukhopadhyay. Climate v. Numerical Weather Prediction. NWP: . Initial state is CRITICAL. Don’t really care about whole PDF, just probable phase space. conservation of mass/energy to match observed state. Robert A. Houze, Jr.. With contributions from:. S. Powell, M. . Zuluaga. , H. Barnes, A. Rowe. AGU Annual Meeting, San Francisco, 11 December 2013. The MJO scale. ~30-60 days. TOGA. COARE. West Pacific. Ref Vel. stratiform. Conv(all) rad_ref. Cloud analysis followed by 3dvar. Conv(uv spd) rw. Only 3dvar analysis. Applied DFI to Qv only, other mosit variable like Qs, Qc, Qr, Qg, Qi are remain unchanged and. Jeffrey R French. 1. , . S. Haimov. 1. , V. Grubišić. 2. , M. Xiao. 3. , L. Oolman. 1. 1. University of Wyoming, Laramie, WY. 2. University of Vienna, Vienna, Austria. 3. Desert Research Institute, Reno, NV. Army Research Laboratory Aberdeen Proving Ground, MD 21005-5069 ARL-TR-4753 March 2009 Dr. Müge Fermen-Coker Approved for public release; distribution unlimited. REPORT DOCUMENTATION PAGE Form A Intercomparison. of state-of-the-art . models. Bjarke Tobias Olsen (. btol@dtu.dk. ). Andrea . N. Hahmann. Anna Maria . Sempreviva. Jake Badger. Hans E. Jørgensen. Introduction. Objective. Question.