Sensitivity of Simulated Philippine Rainfall to Model Resolution and Convective Closure Scheme JOSEFINA ARGETE Institute of Environmental Science and Meteorology University of the Philippines ELLA CECILIA CASTILLO Climate Studies Division Manila Observatory ANA LIZA SOLIS Climatology & Agrometeorology Branch PAGASA, Weather Bureau
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Sensitivity of Simulated Philippine Rainfall to Model Resolution and Convective Closure Scheme
Sensitivity of Simulated Philippine Rainfall to Model Resolution and Convective Closure Scheme. JOSEFINA ARGETE Institute of Environmental Science and Meteorology University of the Philippines. ELLA CECILIA CASTILLO Climate Studies Division Manila Observatory. ANA LIZA SOLIS - PowerPoint PPT Presentation
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Sensitivity of Simulated Philippine Rainfall to Model Resolution and
Convective Closure Scheme
JOSEFINA ARGETE
Institute of Environmental Science and Meteorology
University of the Philippines
ELLA CECILIA CASTILLO
Climate Studies Division
Manila Observatory
ANA LIZA SOLIS
Climatology & Agrometeorology Branch
PAGASA, Weather Bureau
ObjectivesObjectives
• To test the sensitivity of RegCM3 to different domain resolutions on Philippine rainfall
• To test the sensitivity of the model to 2 convective closure schemes
• To validate the model output with observed values (station data, CRU and XA)
Brief Brief ClimatologyClimatology
Northeast Monsoon Season – (Oct-Mar)
brings relatively warm & humid air masses e.g. much rainfall in northern and eastern part of the country.
Southwest Monsoon Season – (May-September)peak in August, deep current up to 10,000m highAlmost all parts of the island receive high rainfall, max. at coasts and slopes directly exposed to the monsoon.
North Pacific Trades – (Mar-Apr) NE monsoon weakens, islands under influence of trades, easterlies bring warmest air in the Phils.