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www.tropicalclimate.org/comoros

Inside This Issue

  1. Monthly Climatology
  2. Rainfall Monitoring
    1. Daily Satellite derived Rainfall Estimates
    2. Monthly Rainfall derived from Satellite Rainfall Estimate
    3. Monthly and Seasonal Monitoring
  3. Ocean Surface Monitoring
  4. Rainfall Predictions
    1. Weekly Predictions from NOAA/NCEP
    2. Seasonal Predictions from IRI


Climatology

Regions between contour lines show the average observed rainfall during each month. Darker shades of green show higher average rainfall. Arrows show the wind direction during the month while the size of the arrow shows the magnitude of the wind speed.



January

February

March


April

May

June


July

August

September


October

November

December


Daily Rainfall Monitoring

The following figures show the observed rainfall in the last 7 days in Comoros.








Monthly Rainfall Monitoring

The figure in the left shows the average observed rainfall in the previous month. The rainfall anomaly in the previous month is shown in the figure to the right. The brown color in the anomaly figure shows places which received less rainfall than the historical average while the green color shows places with above average rainfall. Darker shades show higher magnitudes in rainfall





Monthly Average


Monthly Anomaly


Monthly and Seasonal Monitoring


Moroni (Grande Comore Island) Rainfall:




Rainfall in the current year (black) compared
 to rainfall in previous 5 years

Rainfall of past 365 days (black) compared
 to average rainfall in previous 8 years.

Rainfall in the past 5 years with above-average rainfall
 hatched in blue and below-average hatched in brown

Fomboni (Mohéli Island) Rainfall:




Rainfall in the current year (black) compared
 to rainfall in previous 5 years

Rainfall of past 365 days (black) compared
 to average rainfall in previous 8 years.

Rainfall in the past 5 years with above-average rainfall
 hatched in blue and below-average hatched in brown

Mutsamudu (Anjouan Island) Rainfall:




Rainfall in the current year (black) compared
 to rainfall in previous 5 years

Rainfall of past 365 days (black) compared
 to average rainfall in previous 8 years.

Rainfall in the past 5 years with above-average rainfall
 hatched in blue and below-average hatched in brown

Ocean Surface Monitoring




WORLDBATH topography

Weekly Rainfall Forecast

Total rainfall forecast from the IRI for next six days is provided in figures below. The figure to the left shows the expectancy of heavy rainfall events during these six days while the figure to the right is the prediction of total rainfall amount during this period.




Extreme Rainfall Forecast


Total Six Day Precipitation Forecast

Seasonal Rainfall and Temperature Forecast

Following is the latest seasonal precipitation and temperature prediction for the next 3 months by the IRI. The color shading indicates the probability of the most dominant tercile -- that is, the tercile having the highest forecast probability. The color bar alongside the map defines these dominant tercile probability levels. The upper side of the color bar shows the colors used for increasingly strong probabilities when the dominant tercile is the above-normal tercile, while the lower side shows likewise for the below-normal tercile. The gray color indicates an enhanced probability for the near-normal tercile (nearly always limited to 40%).




Precipitation Forecast


Temperature Forecast

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