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Heavy rain for the rest of the month of July forecast by the Met Dept.

ECONOMYNEXT- The Met Department is forecasting above-average rainfall for the month of July due to the strong day to day atmospheric variability forming in the Bay of Bengal, the Arabian Sea and the Pacific Ocean.

The Department predicts higher rainfalls in most parts of the country and showery conditions to increase during the last week of July 2020 with heavy showers in South Western part of the country.

“Considering the prevailing global climate conditions, forecasts from different global climate models and statistical downscaling of GCM output using Climate Predictability Tool, consensus rainfall forecast for July to September 2020 is expected above normal over Sri Lanka,” a statement issued by the department said.

“Near normal rainfall is likely over most parts of the Island, however, the predictability is also limited due to strong day-to-day atmospheric variability caused by the synoptic-scale systems such as lows and depressions which form in the Bay of Bengal, Arabian sea and in the Pacific Ocean and intraseasonal Oscillations a fluctuation in the difference of atmospheric pressure,” it said.

“Such as the MaddenJulian Oscillation, a major fluctuation happens in tropical weather on weekly to monthly timescales.”

Department said, during the month sudden strong gusty winds will be seen and the public and authorities need to be aware to minimize damages from strong gusty winds, floods and landslides in the Southwestern part of the country.

However, the department said below-normal rainfalls will be seen in the Northern, Eastern, North Central and Uva provinces of the country and the public and authorities should be aware of water conservation and management activities and forest fires along the slopes of central hills.

(Colombo/ July 23/2020)

Reported by Chanka Jayasinghe






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