Philbert Modest Luhunga

12 Questions 88 Answers 0 Followers

Questions related from Philbert Modest Luhunga

How to compute the number of wet days with CDO?

Dear colleagues is there a solution for using eca_r95p and eca_r99p as indicated in the CDO manual eca_r95p infile1 infile2 outfile note that infile1 has many timesteps since it is contain wet...

05 December 2022 8,581 2 View

Why the number of cold days is higher over areas that are known to be warmer and lower in areas known to be colder?

Dear colleagues I wonder why when I compute the number of cold days using reanalysis data am getting higher percentage over areas where we know climatologically have warmer temperatures and lower...

07 October 2022 6,235 3 View

How to compute spi with NCL?

Hi I tried to reproduce the script for calculating spi as indicated in the NCL website using dim_spi_n and I have watched utube video from Mr, Dream Calculate SPI using NetCDF data and draw...

21 August 2022 7,769 0 View

Calculation SPI using climate simulated data in netcdf file?

Hi I am struggling to compute SPI using data from regional climate model. Which software package can help in addressing this need. I tried Rstudio but it need a to write a program. Is there a...

17 August 2022 6,227 10 View

Number of cold days and cold nights?

I am trying to understand some analysis from climate data of my country Tanzania in the historical climate baseline (1971-2000) the number of cold days ranged from -0.09 to -0.18 (days/year). In...

26 May 2020 5,345 5 View

What are the impacts of decreasing trends in cold days and cold nights?

What are the impacts of decreasing trend of cold day and night in the face of climate change -on agriculture -health, -water resources

29 February 2020 6,333 14 View

How the climate projections of 1.5 and 2 deg C used in the recent IPCC reports are produced?

I don’t know how the Global Warming Limits (GWLs) of 1.5, 2 or 3°C are established in the modeling studies that are published and referenced in recent IPCC reports. Are the global temperature...

18 October 2018 8,267 1 View

How to resolve the error in calculating Climate indices in R?

Hi, I am calculating climate indices using RClimDex , the program compute the indices for maximum and minimum temperatures. For precipitation the program gives the following error: Error in...

03 November 2017 7,815 37 View

Average wind direction

Hi, I have wind direction data in hourly time resolution. I would like to compute monthly mean wind direction. If I use normal average (sum of wind direction in degree/number of observation=mean)...

02 August 2017 7,596 3 View

Percentage change in temperature in future climate condition

I am trying to compute temperature change as simulated by the climate models. I have temperature data for the baseline period (1971-2000), present (2010-2039), mid (2040-2069) and end (2070-2099)...

28 July 2017 5,829 6 View

Can I use ensemble average of regional climate models?

Hi help, I would like to predict the impact of climate variability on crop yields. I have climate variables from CORDEX Regional climate models. Is it acceptable to use the ensemble average to...

20 February 2017 7,063 38 View

Convective vorticity vector and moist vorticity vector

I would like to know the theoretical justification of using convective vorticity vector or the moist vorticity vector. Some literature state that due to slant of the moist isotropics the vorticity...

16 February 2017 1,036 8 View