Highlights
• Very heavy rainfall is predicted in Western
province during 9th-10th Jul; In Sabaragamuwa during 11th-14th Jul & heavy
showers in Sabaragamuwa province from 15th-21st Jul.
• Dangerously heavy
rainfalls were experienced in the Western province with max of 170 mm in Kalutara district on 1st July.
• From 30th June- 6th July: up to 8 km/h from the West and South were
experienced over the island
• Sea surface temperature anomalies near SL
warmer to the South and North.
Monitoring
Rainfall
Total Rainfall for the Past Week: The RFE 2.0 tool shows Cumulative rainfall by Districts:- 75 – 100 mm - Colombo, Kalutara, Gampaha, Galle, Kegalle
- 50 –75 mm - Matara, Ratnapura, Nuwara Eliya, Kandy, Matale, Badulla, Ampara, Kurunegala, Puttalam, Anuradhapura, Polonnaruwa
- 25 – 50 mm - Hambantota, Moneragala, Batticaloa, Mannar, Vavuniya, Mullaitivu, Kilinochchi, Jaffna
- 5 – 10 mm - Trincomalee
- 75 – 100 mm - Colombo, Kalutara, Gampaha, Galle, Kegalle
- 50 –75 mm - Matara, Ratnapura, Nuwara Eliya, Kandy, Matale, Badulla, Ampara, Kurunegala, Puttalam, Anuradhapura, Polonnaruwa
- 25 – 50 mm - Hambantota, Moneragala, Batticaloa, Mannar, Vavuniya, Mullaitivu, Kilinochchi, Jaffna
- 5 – 10 mm - Trincomalee
Weekly rainfall Anomalies by Districts:Rainfall Excess- 50 – 100 mm - Kalutara, Galle, Puttalam, Kurunegala, Matale
- 25 – 50 mm - Matara, Ratnapura, Colombo, Gampaha, Kegalle, Nueara Eliya, Kandy, Badulla, Moneragala, Ampara, Batticaloa, Anuradhapura, Polonnaruwa, Mannar, Vavuniya, Mullaitivu, Kilinochchi
- 10 – 25 mm - Hambantota, Trincomalee, Jaffna
- 50 – 100 mm - Kalutara, Galle, Puttalam, Kurunegala, Matale
- 25 – 50 mm - Matara, Ratnapura, Colombo, Gampaha, Kegalle, Nueara Eliya, Kandy, Badulla, Moneragala, Ampara, Batticaloa, Anuradhapura, Polonnaruwa, Mannar, Vavuniya, Mullaitivu, Kilinochchi
- 10 – 25 mm - Hambantota, Trincomalee, Jaffna
Monthly Monitoring: Dekadal Rainfall by Districts:
11th – 20th June:- 4 mm - Gampaha, Colombo, Kalutara, Kegalle, Ratnapura, Mullaitivu, Kilinochchi
- 2 mm - Galle, Matara, Hambantota, Nuwara Eliya, Kandy, Matale, Badullla, Moneragala, Batticaloa, Puttalam, Kurunegala, Anuradhapura, Trincomalee, Polonnaruwa, Mannar, Vavuniya, Jaffna
- 4 mm - Gampaha, Colombo, Kalutara, Kegalle, Ratnapura, Mullaitivu, Kilinochchi
- 2 mm - Galle, Matara, Hambantota, Nuwara Eliya, Kandy, Matale, Badullla, Moneragala, Batticaloa, Puttalam, Kurunegala, Anuradhapura, Trincomalee, Polonnaruwa, Mannar, Vavuniya, Jaffna
21st – 30th June:- 4 mm - Galle, Matara, Badulla, Moneragala, Ampara, Batticaloa, Polonnaruwa, Nuwara Eliya, Kandy, Matale, Kegalle, Kurunegala, Trincomalee, Kilinochchi, Jaffna
- 2 mm - Mullaitivu, Mannar, Vavuniya, Anuradhapura, Puttalam, Gampaha, Colombo, Kalutara, Ratnapura, Hambantota
- 4 mm - Galle, Matara, Badulla, Moneragala, Ampara, Batticaloa, Polonnaruwa, Nuwara Eliya, Kandy, Matale, Kegalle, Kurunegala, Trincomalee, Kilinochchi, Jaffna
- 2 mm - Mullaitivu, Mannar, Vavuniya, Anuradhapura, Puttalam, Gampaha, Colombo, Kalutara, Ratnapura, Hambantota
Predictions
Rainfall
14-day prediction:NOAA NCEP models:
From 8th – 14th July:
Total rainfall by Provinces:
- 105 mm - Western, Sabaragamuwa
- 95 mm - Southern
- 75 mm - North western
- 65 mm - Central
- 55 mm - Uva
- 35 mm - North central, Eastern
- 25 mm - Northern
From 15th – 21st July:
Total rainfall by Provinces:
- 75 mm - Sabaragamuwa
- 65 mm - Western, Southern
- 45 mm - Central
- 35 mm - North western, Uva
- 15 mm - Eastern, North central, Northern
MJO based OLR predictions:
For the next 15 days:
MJO shall slightly
enhance the rainfall during 7th - 11th Jul; neutral
during 12th – 16th Jul and slightly suppress during 17th
– 21st Jul.
Ocean State (Text Courtesy IRI)
Pacific Sea Sate: June 23, 2021
Equatorial SSTs were below average in parts of the eastern Pacific Ocean and near average across the rest of the Pacific Ocean in late June and most key atmospheric variables were ENSO –Neutral condition. A large majority of the model forecasts predict ENSO-neutral likely to continue through the Northern Hemisphere summer.
Indian Ocen State
Sea surface temperature anomalies near SL warmer to the South and North.
No comments:
Post a Comment