Weekly Hydro-meteorological Report, 12 July 2012

Summary

Monitoring

Weekly Monitoring: During the last week (4th June- 9th July) rainfall ranged between 0 mm - 95 mm. South and

Central regions of the island received light rainfall on the 4th, 5th & 7th of July while rainfall was observed in

North Central and Central regions on the 6thof July. Heavy rainfall was observed in South Eastern region of the

island on 8th of July and Central to Western regions on 9th of July.

Monthly Monitoring: During June, parts of Puttalam, Mannar, Kilinochchi, Jaffna, Anuradhapura and

Trincomalee districts experienced above average rainfall, up to a surplus of 20 mm. The rest of the country

experienced below average rainfall.

Predictions

7 Day Prediction: For the coming week an accumulated rainfall of 5 - 55 mm is predicted for the South Western

and Northern regions of the island.

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Weekly Hydro-meteorological Report, 07 July 2012

Summary

Monitoring

Weekly Monitoring: During last week (27th June- 2nd July) rainfall ranged between 5 mm - 30 mm. The North- eastern regions of the island received rainfall on the 27th June and 1st of July. Heavy rainfall was observed in the Southern half of the island during 30th June - 2nd July.

Monthly Monitoring: During the month of June some parts of Puttalam, Mannar, Kilinochchi, Jaffna, Anuradhapura and Trincomalee districts experienced above average rainfall, but the surplus is below 20 mm. The rest of the country experienced below average rainfall.

Predictions

7 Day Prediction: For the coming week an accumulated rainfall of 5 mm - 55 mm is predicted for the southern half of the island.

IMD WRF Model Forecast & IRI forecast: WRF Model Predicts 1 mm - 65 mm rainfall particularly for Gampaha, Colombo, Kalutara, parts of Puttalam and Galle districts on the 06th of July, and rainfall shall drop while spreading towards eastward. For the 07th of July, the Model Predicts 1 mm - 125 mm rainfall for Colombo, Kalutara and Gampaha districts, and rainfall shall decrease towards North, South and eastward directions, and no rainfall is predicted for the eastern side of the island. IRI models forecast up to 20 mm of rainfall for the entire island.


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