Explanipedia

Correction: Evaluating high-resolution global NWP model day-1 precipitation forecasts for the Indian monsoon: Potential to use in real-time applications Open

M. Venkatarami Reddy, Ashis K. Mitra, Kondapalli Niranjan Kumar, K. Amarjyothi, Imran M. Momin , et al. · 2025

Developing an optimized parameterization scheme for deriving a lightning threat product from a global model for all seasons over India Open

Greeshma M. Mohan, M. Sandhya, A. Jayakumar, T. J. Anurose, Saji Mohandas , et al. · 2025

This study marks the utilization of medium-range forecasts of cloud-to-ground (CG) lightning threats over India across all seasons from a global model. CG flashes are derived from two lightning parameterization schemes: Price and Rind (PR9…

Analysis of raindrop size distribution from the double moment cloud microphysics scheme for monsoon over a tropical station Open

Kadavathu Sreekumar Apsara, A. Jayakumar, T. J. Anurose, Saji Mohandas, Paul R. Field , et al. · 2025

Accurate precipitation forecasting hinges on the representation of microphysical processes within numerical models. A key approach to understanding these processes is through the analysis of hydrometeor drop size distribution (DSD). The ch…

An overview of NCMRWF model guidance for 12th Indian Scientific Expedition to the Southern Ocean Open

Suraj Ravindran, Akhilesh Mishra, Anoop S. Mahajan, Ankur Gupta, Imranali M. Momin , et al. · 2025

The third Met Office Unified Model–JULES Regional Atmosphere and Land Configuration, RAL3 Open

Mike Bush, David L. A. Flack, Huw Lewis, Sylvia I. Bohnenstengel, Chris J. Short , et al. · 2025

The third version of the Regional Atmosphere and Land (RAL3) science configuration is documented. Developed through international partnerships, RAL configurations define settings for the Unified Model atmosphere and Joint UK Land Environme…

Analysis of raindrop size distribution from the double moment cloud microphysics scheme for monsoon over a tropical station Open

Kadavathu Sreekumar Apsara, Jayakumar Aravindakshan, Anurose Theethai Jacob, Saji Mohandas, Paul R. Field , et al. · 2024

Accurate precipitation forecasting hinges on the representation of microphysical processes within numerical models. A key approach to understanding these processes is through the analysis of hydrometeor drop size distribution (DSD). The ch…

Supplementary material to "The third Met Office Unified Model-JULES Regional Atmosphere and Land Configuration, RAL3" Open

Mike Bush, David L. A. Flack, Huw Lewis, Sylvia I. Bohnenstengel, Chris J. Short , et al. · 2024

The third Met Office Unified Model-JULES Regional Atmosphere and Land Configuration, RAL3 Open

Mike Bush, David L. A. Flack, Huw Lewis, Sylvia I. Bohnenstengel, Chris J. Short , et al. · 2024

The third version of the Regional Atmosphere and Land (RAL3) science configuration is documented. Developed through international partnership, RAL configurations define settings for the Unified Model atmosphere and Joint UK Land Environmen…

Unraveling the Mechanism of the Holes in the Blanket of Fog Over the Indo‐Gangetic Plains: Are They Driven by Urban Heat Islands or Aerosol? Open

T. J. Anurose, A. Jayakumar, M. Sandhya, Hamish Gordon, S. Aryasree , et al. · 2024

Fog holes were reported over cities of the Indo‐Gangetic plains of India, which were attributed to the urban heat island (UHI) effect. The present study reports the observational evidence of fog holes over rural area using satellite and gr…

Assessment of Soil Moisture during landslide over a hilly region: A Case Study Open

Hashmi Fatima, Raghavendra Sreevat, Saji Mohandas, V. S. Prasad · 2024

Landslides are one of the common geological hazards in the hilly regions throughout the world. Other than geological, morphological and anthropogenic causes, precipitation is the most common triggering factor for the occurrence of landslid…

Assessment of extreme rainfall events for iFLOWS Mumbai in NCUM regional forecasting system Open

Mohan Thota, Raghavendra Ashrit, Kondapalli Niranjan Kumar, Upal Saha, Nagarjuna Rao D , et al. · 2023

Multiple record-breaking rainfall events were observed along the Western Ghats (WG) during the recent monsoon seasons from 2019-2021. Rainfall amounts of up to >200 mm/day (Extreme rainfall, ER) were recorded especially over the Mumbai reg…

The second Met Office Unified Model–JULES Regional Atmosphere and Land configuration, RAL2 Open

Mike Bush, Ian Boutle, John Edwards, Anke Finnenkoetter, Charmaine Franklin , et al. · 2023

In this paper we define RAL2 – the second Regional Atmosphere and Land (RAL) science configuration for regional modelling. RAL2 uses the Unified Model (UM) as the basis for the atmosphere and the Joint UK Land Environment Simulator (JULES)…

The second Met Office Unified Model-JULES Regional Atmosphere and Land configuration, RAL2 Open

Mike Bush, Ian Boutle, John Edwards, Anke Finnenkoetter, Charmaine Franklin , et al. · 2023

Supporting data for figures in GMD draft paper: The second Met Office Unified Model-JULES Regional Atmosphere and Land configuration, RAL2

The second Met Office Unified Model-JULES Regional Atmosphere and Land configuration, RAL2 Open

Mike Bush, Ian Boutle, John Edwards, Anke Finnenkoetter, Charmaine Franklin , et al. · 2023

Supporting data for figures in GMD draft paper: The second Met Office Unified Model-JULES Regional Atmosphere and Land configuration, RAL2

Moist Processes in Ncum Global Forecasts During the Boreal Summer Monsoon Open

Mohana Thota, Kondapalli Niranjan Kumar, Raghavendra Ashrit, Gill Martin, Jaya Kumar , et al. · 2023

Comment on gmd-2022-209 Open

Mike Bush, Ian Boutle, John Edwards, Anke Finnenkoetter, Charmaine Franklin , et al. · 2022

Abstract. In this paper we define RAL2 â the second Regional Atmosphere and Land (RAL) science configuration for regional modelling. RAL2 uses the Unified Model (UM) as the basis for the atmosphere and the Joint UK Land …

Comment on gmd-2022-209 Open

Mike Bush, Ian Boutle, John Edwards, Anke Finnenkoetter, Charmaine Franklin , et al. · 2022

Abstract. In this paper we define RAL2 â the second Regional Atmosphere and Land (RAL) science configuration for regional modelling. RAL2 uses the Unified Model (UM) as the basis for the atmosphere and the Joint UK Land …

The second Met Office Unified Model/JULES Regional Atmosphere and Land configuration, RAL2 Open

Mike Bush, Ian Boutle, John Edwards, Anke Finnenkoetter, Charmaine Franklin , et al. · 2022

In this paper we define RAL2 - the second "Regional Atmosphere and Land" (RAL) science configuration for regional modelling. RAL2 uses the Unified Model (UM) as the basis for the atmosphere and the Joint UK Land Environment Simulator (JULE…

Tropical cyclone forecast using NCMRWF Global (12 km) and regional (4 km) models Open

Raghavendra Ashrit, Sushant Kumar, Anumeha Dube, T. Arulalan, S. Karunasagar , et al. · 2021

Countries adjoining the North Indian Ocean (NIO) region are among the world's worst affected areas by tropical cyclones (TCs). An increase in frequency and intensity of TCs affecting this basin is noticed in recent years. Timely and accura…

Performance of the NCMRWF convection‐permitting model during contrasting monsoon phases of the 2016 INCOMPASS field campaign Open

A. Jayakumar, Steven J. Abel, Andrew G. Turner, Saji Mohandas, Jisesh Sethunadh , et al. · 2019

This study uses INCOMPASS aircraft, radiosonde and satellite observations for verifying hydrometeors and associated state variables predicted by the regional model of the NCMRWF (NCUM‐R) for contrasting phases of the 2016 monsoon. INCOMPAS…

Impact of Cartosat-1 Orography in 330 M Unified Model Forecast Open

A. Jayakumar, Jisesh Sethunadh, Timmy Francis, Saji Mohandas, E. N. Rajagopal · 2019

We faced similar problem while observing the sun-dial at Hyder Ali's tomb.One of the minarets erected later in the neighbourhood blocks incidence of sun light on the dial for a significant duration of the day.This problem is obvious in Fig…

An operational fog prediction system for Delhi using the 330 m Unified Model Open

A. Jayakumar, E. N. Rajagopal, Ian Boutle, John P. George, Saji Mohandas , et al. · 2017

We introduce the National Centre for Medium Range Weather Forecasting's (NCMRWF) high‐resolution (330 m) Unified Model implementation targeted at fog and visibility prediction over Delhi, the “Delhi Model” (DM). The requirement for running…

Behavior of predicted convective clouds and precipitation in the high‐resolution Unified Model over the Indian summer monsoon region Open

A. Jayakumar, Jisesh Sethunadh, R. Rakhi, T. Arulalan, Saji Mohandas , et al. · 2017

National Centre for Medium Range Weather Forecasting high‐resolution regional convective‐scale Unified Model with latest tropical science settings is used to evaluate vertical structure of cloud and precipitation over two prominent monsoon…

Recent changes on land use/land cover over Indian region and its impact on the weather prediction using Unified model Open

C. K. Unnikrishnan, Biswadip Gharai, Saji Mohandas, Ashu Mamgain, E. N. Rajagopal , et al. · 2016

This study compares the changes of land use/land cover (Lu/Lc) or the surface type in last decades over India. Recent surface‐type fractions show few major regional changes over India. There is a decrease in vegetation fraction, increase i…

Spatial verification of rainfall forecasts for very severe cyclonic storm ‘Phailin’ Open

Saji Mohandas, H. N. Singh · 2015

The current study demonstrates the utilisation of a tool for the comprehensive evaluation of model forecasts using both traditional and spatial diagnostic techniques.The fundamental idea is to provide additional and meaningful insight into…

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