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MORECS

Met Office Rainfall and Evaporation Calculation System

MORECS is the only nationwide service giving real time assessments of rainfall, evaporation and soil moisture. Results can be automatically faxed to you or sent by post.

MORECS is used in diverse industries, including water authorities, environment, insurance and agriculture, to:
  • Predict river flow and input to river-flow models, and evaporation from open reservoirs

  • Estimate leachate from landfill sites

  • Help insurers to service subsidence claims

  • Assess drought stress in crops, and ensure chemicals are applied when the soil moisture is most suitable

  • Enable balance-sheet irrigation scheduling by combining evaporation figures with rainfall measurements

  • Drive 'trafficability' - single-station MORECS can help assess the value of low ground-pressure tyres


The system uses a sophisticated equation that calculates soil moisture and evaporation values from measurements of temperature, sunshine, wind and humidity. The equation also allows for local variations in soil type and the crops being grown.

MORECS calculates soil state and evaporation for both a 40 km by 40 km grid nationwide on a weekly operational basis, and at individual recording sites for hindsight studies.

For further information about working with the Met Office on weather solutions please contact our 24-hour Customer Centre.