International workshop on “Stratosphere-Troposphere Interactions and Prediction of Monsoon weather EXtremes” (STIPMEX)at IITM, Pune during
3-7 June 2024

Day 0

Training Programme Agenda
2 June 2024
Participants: 100
0930-0945 AM | Brief remark by Dr. E. N. Rajagopal, IMPO Introduction: Dr. Vinu Valsala
Training Session on Stratosphere-Troposphere Exchange processes
Venue Aryabhatta Hall, IITM, Pune
09:45 - 10:00 Brief introduction to Stratosphere-Troposphere Exchange processes.
10:00 - 11:00 Introduction to balloonsonde launching techniques (1) The cryogenic frost point hygrometer (CFH) for measurements of water vapour and (2) the Compact Optical Backscatter Aerosol Detector (COBALD)
11:00 - 11:15 | Tea Break.
11:15 - 13:00 Hands-on launching of balloonsonde with suitable sensors followed by data acquisition techniques.
13:00 - 14:00 | Lunch Break.
14:00 - 15:00 Satellite and in-situ data analysis, with a special focus on the UTLS region.
15:00 - 16:00 Analysis and visualization of big-data from global chemistry-climate models.
16:00 - 16:30 | Tea break.
16:30 - 17:30 Inter-comparison of observational and model data.
17:30 - 18:00 Discussions
Training Session on Prediction of Monsoon Weather Extremes
To be coordinated by Dr. Vinu Valsala, Dr. R. Phani Murali Krishna, Dr. Malay Ganai, Dr. Revanth Reddy
Venue Varahamihir Hall, IITM, Pune
0945-1030AM Dr. Estibaliz Gascon, ECMWF Introduction of ECMWF's Forecasting Systems and related Extreme Weather Products
1030-1115AM Dr. W. –K. Tao, GSFC, NASA Relating vertical velocity and cloud/precipitation properties: A numerical modeling study of Tropical convection Goddard Space Flight Centre, NASA, USA
Tea/Coffee Break | 1115-1130
1130-1215PM Dr. Saulo Freitas, INPE, Brazil A Parameterization for Cloud Organization and Propagation by Evaporation-Driven Cold Pool Edges
1215-0100PM Dr. Fanglin Yang, NCEP, USA Introduction to NCEP Operational Forecast Systems and Review of the Global Forecast System (GFS)
0100-0130PM | Lunch Break
0130-0215PM Dr. Paul Davies On UKMO Forecast diagnostic
0215-0300PM Dr. Dev Niyogi Making weather and climate information useful to usable
0300-0345PM Dr. Estibaliz Gascon, ECMWF, Bonn Practical session on predicting extreme events using ECMWF products
0345-0400PM | Q&A
0400-0415PM | Tea/Coffee break
0415-0500PM Prof. Xubin Zeng, University of Arizona On GPEX and organized convection
0500-0545PM Dr. Toru Terao, Kagawa Univ. On ASIAPEX
0545-0600PM | Student/ECR Feedback
End of Training session

Day 1

Monday 3 June 2024
9:30 to 10:15   Inaugural Session
10:15 to 10:45 Keynote Dr. Michael Höpfner, Karlsruhe Institute of Technology (KIT), Germany Composition, origin, and fate of the Asian Tropopause Aerosol Layer – a view from aircraft and satellite by infrared remote sounding
10:45 to 11:15 Group Photo & Tea/Coffee break
11:15-13:00 - Session I: Atmospheric composition, chemistry, and dynamics of the UTLS
Chair: Dr. Marc von Hobe, Jülich, Germany, Co-chair: Dr. Sidharth S. Das, SPL, VSSC, India,
Rapporteur: Dr. Satheesh Chandran
11:15 to 11:40 Invited Prof. Greg Carmichael, IOWA, USA Advancing Atmospheric Composition Predictions and Related Services to Meet the Growing Societal Needs
11:40 to 12:05 Invited Dr. Mijeong Park, NCAR, USA Relationship between Water Vapor and Cold Point Tropopause during Boreal Summer
12:05 to 13:05
12 Minutes Each Oral
Dr. Ajll Kottayil, CUSAT, Kerala, India The influence of monsoon sub-seasonal variability on the occurrence of sub-visible cirrus clouds over the Asian monsoon region.
Dr. Dmitry A. Belikov, Chiba University, Japan Study the influence of the Asian Summer Monsoon on the Upper Troposphere and Lower Stratosphere Using Methane Distributions
Dr. Pawan Vats, IIT Delhi, India Implication of precursors of secondary organic aerosols on UTLS and its impact on the Indian Summer monsoon
Dr. Sanjay Kumar Mehta, SRM, Chennai, India Relative Roles of Convection and Advection in the Sustenance of the Asian Summer Monsoon Anticyclone
G. S. Gopikrishnan ,IIT, Kharagpur, India Impact of large-scale atmospheric circulation on the ozone variability in the Upper Troposphere-Lower Stratosphere (UTLS) of the Asian Summer Monsoon Anticyclone (ASMA)
13:05 to 14:00 Lunch break
14:00-16:00 -Session II: Response of the Asian summer monsoon to volcanic eruptions, large wildfires, anthropogenic emissions, and potential Stratospheric Aerosol Injection (SAI) scenarios
Chair: Dr. Jean-Paul Vernier, NASA, USA, Co-chair: Prof. Tarun Gupta, IIT Kanpur, India
Rapporteur: Dr. Chaitri Roy
14:00 to 14:25 Invited Dr. R. Krishnan, IITM Pune, India Role of large volcanic eruptions on the ENSO and Indian Monsoon coupling
14:25 to 14:50 Invited Dr. Simone Tilmes, NCAR, USA Stratospheric Aerosol Climate Intervention: Efficiency, Impacts and Uncertainties
14:50 to 15:15 Invited Dr. Bala Govindasamy, IISc, Bengaluru, India How would stratospheric aerosol geoengineering affect tropical monsoon rainfall
15:15 to 16:05
12 Minutes Each, Oral
Dr. Bernd Heinold, TROPOS Leipzig, Germany Stratospheric Smoke Injections from the 2019–20 Australian Bushfires: Impacts on Radiation, Global Circulation, and Adjustments
Dr. S. Sridharan, NARL, India Influence of Merapi volcanic eruption on the stratospheric water vapour
Dr. Bomidi Lakshmi Madhavan, NARL India Stratospheric Aerosol Characteristics during the Volcanic Eruptions using the SAGE III/ISS Observations
Dr. Ghouse Basha, NARL, India Disturbing the Middle Stratospheric Balance: The Enduring Impact of Hunga Tonga-Hunga Ha'apai volcanic eruption
16:05 to 16:15 Break
16:15 to 17:15 Public Talk by Prof. Timothy Palmer, Oxford University on
“Ensemble Weather and Climate Prediction: From Origins to AI” (online)
Chair Dr. R. Krishnan
17:15 to 19:00 Tea/Coffee and Poster session
19:00 onwards Workshop Dinner

Day 2

Tuesday 4 June 2024
9:30 to 13:00 -Session III:  Observations in monsoon region with a special focus on recent field campaigns
Chair: Dr. Bernd Heinold, TROPOS, Germany,  Co-chair: Dr. Padma Kumari, IITM, Pune, India
Rapporteur: Dr. Bhupendra Bahadur Singh
9:30 to 9:55 Invited Dr. M. Venkat Ratnam, NARL, India Unravelling the Dynamics of the Indian Summer Monsoon Circulation: Insights into ASMA Variability, Aerosol Distribution, and Pollution Transport
9:55 to 10:20 Invited Dr. Ren Smith, NCAR, USA Transport by Asian Monsoon Convection to the Upper Troposphere and Lower Stratosphere during the 2022 ACCLIP Campaign
10:20 to 11:00
12 Minutes Each, Oral
Dr. Amit Kumar Pandit, NIA, USA In situ and satellite observations of tropopause cirrus clouds during the Asian Summer Monsoon: Results from the BATAL Campaign
Dr. Siddarth Shankar Das, SPL, VSSC, India Network of ST/MST radars and balloon borne measurement Campaigns of the Asian Summer Monsoon Anticyclone (NetRAD-ASMA) - Initial Results
Dr. Sunil Kumar S V., SPL, VSSC, India Insights from Tropical Tropopause Dynamics Experiments under GARNETS program over the Indian monsoon region
11:00 to 11:25 Tea/Coffee break
 Rapporteur: Dr. Satheesh Chandran
11:25 to 11:45 Lead oral Dr. Jean-Paul, Vernier, NASA, LaRC, USA ATAL’s inter-annual variability derived from satellite observations and airborne measurements
11:45 to 12:05 Lead oral Dr. Marc von Hobe, IEK-7 stratosphere, Jülich, Germany Strategy for more ground-based observations to constrain the lower boundary condition in atmospheric models
12:05 to 12:25 Lead oral Dr. Manish Naja, ARIES,  Nainital, India Variability in the tropospheric ozone in Asian Summer Monsoon region: Ozonesonde observations (2011-2023) from ARIES, Nainital
12:25 to 13:00
12 Minutes Each, Oral
 V. N. Santhosh, NARL, India Quantifying the Radiative Impact of Asian Tropopause Aerosol Layer using the Balloon-borne Field Campaign Measurements
Nabarun Poddar, SPL, VSSC, India Understanding the stratosphere-troposphere exchange processes through the direct measurements of vertical air motion over central Himalayan region using 206.5 MHz Stratosphere-Troposphere Radar
Veenus Venugopal, Space Physics Laboratory, Vikram Sarabhai Space Centre, Thiruvananthapuram, India A composite study on the effect of SSW and QBO on stratospheric meridional circulation: Implications on ozone and water vapor distribution
13:00 to 14:00 Lunch break
14:00 to 15:15 -Session IV: Inter-connections of Asian summer monsoon with large scale atmospheric patterns such as Brewer-Dobson Circulation, QBO and ENSO, SSW
Chair:Dr.  Manish Naja, ARIES, Nainital, India,  Co-chair: Dr. B. Praphulla Chandra, SSSIHL, AP, India
Rapporteur: Sunil Sonbawne
14:00 to 14:25 Invited Prof. K. Mohanakumar, CUSAT, India Modulation of Quasi-Biennial Oscillation on the Coupling Between Sudden Stratospheric Warming and Tropical Weather Systems
14:25 to 15:15
12 Minutes Each, Oral
Dr. Kishore Kumar, SPL, VSSC, India Does the Quasi-Biennial Oscillation Modulates Monsoon Hadley Circulation?  
Dr. Uma Das, IIIT, West Bengal, India Tidal variability and aliasing effects from contemporaneous satellite, model, and reanalysis data in the Stratosphere
 Prashant Chavan, IITM, Pune, India Impact of volcanic aerosols on the tropical stratosphere and disruption of the QBO
Dr Chirag Dhara, Krea University, AP, India Impact of rapid reductions in regional aerosols on the near-future strengthening of the South Asian Monsoon
15:15 to 15:30 Break
15:30 to 16:30 Public Talk by Dr. V Ramaswamy, GFDL NOAA, USA, Chair Dr. Rolf. Müller
16:30 to 18:00 Tea/coffee and Poster session

Day 3

Wednesday 5 June 2024
9:30 to 13:05 -Session V: Modelling studies on the transport of pollutants and feedback processes associated with the Asian summer monsoon
Chair: Dr. Simone Tilmes, NCAR USA, Co-chair: Dr. Kishore Kumar, SPL VSSC, India
Rapporteur: Ms. Aathira Maria Jose
9:30 to 9:55 Invited Dr. Peter Hitchcock, Cornell University, USA  Assessing stratospheric contributions to subseasonal prediction: the SNAPSI project
9:55 to 10:20 Invited Dr. David Plummer, Environment and Climate Change Canada The challenges and need for multi-model intercomparisons of chemistry climate models in the troposphere
10:20 to 11:00
12 Minutes Each, Oral
V. K. Patel, IIT, Kharagpur, India Changes in water vapour in the Upper Troposphere and Lower Stratosphere (UTLS) of the global tropics: role of surface warming in recent decades and future scenarios
P. P. Musaid, SRM, Chennai, India Physical and dynamical factors affecting the boundary layer tracer pathway to the Asian Summer Monsoon Anticyclone
 Dr. C. Sivan, IITM, Pune, India Estimation of target density and age of air transported from the Asian monsoon anticyclone to the Arctic
11:00 to 11:30 Tea/Coffee break
Rapporteur: Dr. Bhupendra Bahadur Singh
11:30 to 11:55 Invited Dr. Rolf Müller, IEK-7 stratosphere, Jülich, Germany Juelich, Germany Reconstructing high-resolution in-situ vertical profiles measured in the sparsely monitored Asian monsoon region
11:55 to 12:20 Invited Dr. Bärbel Vogel, IEK-7 stratosphere, Jülich, Germany Juelich, Germany Horizontal transport of Asian summer monsoon air into the northern lower stratosphere: the PHILEAS campaign 2023
12:20 to 12:40 Lead Oral Dr. Suvarna Fadnavis, IITM, Pune, India Association of aerosols in the Asian summer monsoon anticyclone with Indian summer monsoon rainfall
12:40 to 13:05
12 Minutes Each, Oral
Dr. Kseniia Didenko, IZMIRAN, Russian Academy of Sciences, Russia Numerical modeling of QBO and ENSO phase impact on the evolvement of sudden stratospheric warming and waves processes
Dr. Shubha Singh, NCMRWF, Noida, India Assessing Upper Tropospheric Humidity during Monsoon Depressio using NCMRWF unified Model forecasts
13:05 to 14:00 Lunch break
14:00 to 16:05 -Session VI: Stratosphere troposphere exchange processes and their association with monsoon extremes
Chair: Dr. Sanjay Kumar Mehata, AOML, SRM, Chennai, India, Co-chair: Dr. Somkumar Sharma, PRL, Ahmedabad, India
Rapporteur: Dr. Chaitri Roy
14:00 to 14:25 Invited Prof. Seok-Woo Son, Seoul National University, South Korea QBO-MJO connection and its implication to South Asian precipitation
14:25 to 14:50 Invited Prof. T. G. Shepherd, University of Reading, UK Causal prediction and attribution of extreme weather events
14:50 to 15:51
12 Minutes Each, Oral
Dr. Maria Emmanue, MoES,Delhi, India MJO effect on the tropopause, UTLS water vapour and cirrus over the Indian Peninsula
Dr. Saginela Ravindra Babu, National Central University, Taiwan Extreme UTLS ozone enhancement over the southern flank of Asian summer monsoon anticyclone in August 2022
Tesna Maria CUSAT, Kerala, Inia The Impact of the Mesoscale Convective System on the Upper Troposphere Lower Stratosphere (UTLS) Composition over the Asian Monsoon Region
Dr. Prashant Singh, Goethe University Frankfurt, Germany Water Vapor Transport to the Upper Troposphere/Lower Stratosphere via Lightning-Intense Deep Convective Systems in the Third Pole Region
Dr. Atul Kumar Srivastava, IITM, Delhi, India Assessment of surface air pollutants over the Indian Summer Monsoon region: Linkage to their characteristics in the upper atmosphere
Session VII: Asian summer monsoon and its association with tropospheric processes
Chair: Dr. R. Subramanian; CSTEP, Bangalore, India, Co-chair: Dr Yogesh Tiwari, IITM Pune, India
Rapporteur: Dr. Annada Padhi
15:51 to 16:11 Lead Oral Dr. M. Mujumdar, IITM, Pune, India The evolution of monsoonal Hydro-Meteorological extremes over India in the backdrop of changing climate
16: 11 to 16:46
12 Minutes Each, Oral
Dr. R. Kriplani, Ex IITM, Pune, India Response of the Asian Summer Monsoon to Aerosol Reductions due to COVID-19 lockdown regulations
Dr. Abhishek Anand, IMD, Kolkata, India Role of the Himalaya-Tibetan Plateau in Moistening the Tropopause as Inferred from the Model Simulations
Dr. Yuanpu Li, NCAR, USA  QBO impacts Asian summer monsoon precipitation by modulating the Walker circulation
16:46 to 18:30 Poster session on Monsoon Weather Extreme

Day 4

Thursday 6th June 2024
9:30 to 11:15 -Session VII: Extreme weather events and prediction
Chair: Dr. Rupakumar Kolli, Co-chair: Dr. Satyaban B. Ratna,
Rapporteur: Dr. Medha Deshpande
9:30 to 10:00 Keynote Dr. M. Rajeevan, Atria University, India
10:00 to 10:30 Invited Prof. Kerry Emanuel, MIT, USA (online)
"The Physics of the Build-up of Large Values of Convective Available Potential Energy (CAPE)"
10:30 to 11:00 Invited Dr. Estibaliz Gascon ECMWF, Bonn, Germany
"ECMWF's Journey in Advancing Extreme Weather Prediction"
11:00 to 11:15 Dr. Sailendra Rai, Allahabad University Oral Predictability of widespread extreme precipitation events during the northeast monsoon season over south peninsular India from CORDEX models
11:15 to 11:30 Tea/Coffee break
11:30 to 13:00 -Session VIII: Extreme weather prediction
Chair: Dr. A. K. Sahai, Co-chair: Dr. S. D. Pawar,
Rapporteur: Dr. Radhika Kanase
11:30 to 12:00 Invited Dr. Fanglin Yang NCEP, USA
On the Development and Evaluation of NOAA Unified Forecast System Atmospheric Model Physics Component for NCEP Operational Forecast Applications
12:00 to 12:30 Invited Dr. Takuya Kawabata, MRI, JMA, Japan
12:30 to 13:00 Invited Dr. Paul Davies, UKMO, UK
13:00 to 14:00 Lunch break
14:00 to 14:20 Lead Oral Dr. Mukul Tiwari, IBM, USA
14:20 to 14:35 Dr. Indrani Roy, University College London (UCL), UK, Oral East African October to December rainy season- major drivers, mechanism and  improved predictability
14:35 to 14:50 Mr. Vaibhav Tyagi, Indian Institute of Technology Indore Oral Interplay of Background Dynamics and Large-Scale Circulations in the Kerala Extreme Rainfall Event of August 2019
14:50 to 15:00 Break
15:00-17:25 – Session IX: New approaches for extreme weather events prediction
Chair: Dr. A. Suryachandra Rao; Co-chair: Dr. J. Sanjay Rapporteur: Ms. Rituparna Sarkar
15:00 to 15:30 Keynote Dr. M Mohapatra IMD
15:30 to 16:00 Invited Dr. Saulo Freitas, INPE, Brazil
A Parameterization for Cloud Organization and Propagation by Evaporation-Driven Cold Pool Edges
16:00 to 16:30 Invited Prof. Arindam Chakraborty IISc, Bengaluru
16:30 to 16:50 Lead oral Dr. R. Ashrit NCMRWF
16:50 to 17:10 Lead oral Dr. P. Mukhopadhyay, IITM, Pune
17:10 to 17:25 Ms. Sreevidya Ravi, CUSAT, Kochi Oral Dynamical Aspects of Heavy Rainfall Events Over Southern Peninsular India during Northeast Monsoon Season and its Association with Indian Ocean Warming and Madden Julian Oscillation
17:30 to 19:00 Tea/Coffee break and Poster session on Monsoon Weather Extreme
19:00 to 20:30 Cultural Program
20:30 to 22:00 Dinner at IITM front lawn

Day 5

Friday 7 June 2024
9:30 to 11:15 - Session X: Observation campaign for understanding processes associated with extreme precipitation events Session
Chair: Dr. Thara Prabhakaran, Co-chair: Dr. G. Pandithurai,
Rapporteur: Ms. Monokranthi
9:30 to 10:00 Keynote Prof. Xubin Zeng, University of Arizona
"On GPEX and organized convection"
10:00 to 10:30 Invited Dr. W K. Tao, GSFC, NASA
“Developing, Improving, and Applying Cloud-Resolving Models to Study Precipitation Processes”
10:30 to 11:00 Invited Prof. Toru Terao, Kagawa University, Japan
11:00 to 11:15 Mr. Harshad S. Hanmante, IITM, Pune Oral Rain-type classification and convective clustering in heavy rain events: Radar observations and numerical simulation
11.15 to 11.30 Tea/Coffee break
11:30 to 13:15 -Sessions XI: AI/ML in Weather prediction
Chair: Dr. E. N. Rajagopal, Co-chair: Dr. C. Gnanaseelan,
Rapporteur: Dr. Siddharth Kumar
11:30 to 12:00 Keynote Prof. Dev Niyogi, University of Texas, Austin, USA
12:00 to 12:30 Invited Dr. Pierre Gentine, Univ: of Columbia, USA (Online)
12:30 to 12:45 Ms. Aayushi Tandon, University of Petroleum & Energy Studies, Dehradun, Oral A Machine Learning Based Approach to Predict Extreme Rainfall Events in India's Uttarakhand Region
12:45 to 13:00 Dr. Yesubabu Viswanadhapalli, NARL, ISRO Oral Impact of Western Ghats orography on the simulation of extreme precipitation over Kerala, India during 14–17 August 2018
13:00 to 13:15 Dr. Ayantika D. C. Oral Understanding the extreme precipitating monsoon rainstorms over Pakistan
13:15 to 14:00 Lunch break
14:00 to 15:30 -Session XII: Application of Monsoon Weather Forecast for various sectors
Chair: Shri K. S. Hosalikar, Co-chair: Dr. Susmitha Joseph
Rapporteur: Dr. Soumyajoti Jana
14:00 to 14:30 Keynote DG, NIWE, India
14:30 to 15:00 Invited Prof. Vimal Mishra, IIT, Gandhinagar, India
15:00 to 15:30 Invited Dr. Tune Usha, NCCR, MoES, Chennai, India
15:30 to 16:30 -Session XIII: Stakeholders’ Discussion on Renewable Energy & Weather Forecasts
Chair: Dr. P. Mukhopadhyay, Co-chair: Dr. Raghu Ashrit,
Rapporteur: Ms. Snehlata Tirkey
Panelists: NDMA (Flood & Lightning management), SDMA, Assam on Flood; Tata Power, Mumbai; Adani Green, Ahmedabad; WRLDC (Grid India); Renew Power, Delhi & Suzlon, Pune
16:30 to 17:00 Tea/Coffee break
17:00 to 18:00 –Session XIV: Panel discussion, recommendation and concluding remarks
Coordinator: Dr. Vinu Valsala