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Examples of Simulations with the Latest Version of the RegCM. Jeremy Pal. A Little taste of the RegCM. Examples of Simulations. Europe East Asia Simulation of the Monsoon West Africa Simulation of the Monsoon Sensitivity to the Convective Closure Assumption North America
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Examples of Simulations with the Latest Version of the RegCM Jeremy Pal A Little taste of the RegCM
Examples of Simulations • Europe • East Asia • Simulation of the Monsoon • West Africa • Simulation of the Monsoon • Sensitivity to the Convective Closure Assumption • North America • Prediction of the 1993 Flood and 1988 Drought • Sensitivity to the Boundary Conditions • Sensitivity to the Initial Conditions • Atmospheric Initial Conditions • Soil Moisture Initial Conditions • Sensitivity to the Convective Closure Assumption
Examples of Simulations • Europe • East Asia • Simulation of the Monsoon • West Africa • Simulation of the Monsoon • Sensitivity to the Convective Closure Assumption • North America • Prediction of the 1993 Flood and 1988 Drought • Sensitivity to the Boundary Conditions • Sensitivity to the Initial Conditions • Atmospheric Initial Conditions • Soil Moisture Initial Conditions • Sensitivity to the Convective Closure Assumption
Simulations over Europe • Lambert Conformal Map Projection • 88 North-South • 115 East-West • 18 Vertical Levels • 60-km • October 1994 thru August 1995 Landuse and Elevation
DJF Precipitation: CRU Obs JJA Precipitation: CRU Obs DJF Precipitation: RegCM JJA Precipitation: RegCM
DJF Temperature: CRU Obs JJA Temperature: CRU Obs DJF Temperature: RegCM JJA Temperature: RegCM
Examples of Simulations • Europe • East Asia • Simulation of the Monsoon • West Africa • Simulation of the Monsoon • Sensitivity to the Convective Closure Assumption • North America • Prediction of the 1993 Flood and 1988 Drought • Sensitivity to the Boundary Conditions • Sensitivity to the Initial Conditions • Atmospheric Initial Conditions • Soil Moisture Initial Conditions • Sensitivity to the Convective Closure Assumption
East Asia Monsoon • Lambert Confomal Map Projection • 80 North-South • 103 East-West • 18 Vertical Levels • 60-km • June 1994 thru August 1995 Landuse and Elevation
DJF Precip CRU Obs JJA Precip CRU Obs DJF Precip RegCM JJA Precip RegCM
Precipitation over East Asia:Sept 1994 thru August 1995 CRU Obs RegCM
Examples of Simulations • Europe • East Asia • Simulation of the Monsoon • West Africa • Simulation of the Monsoon • Sensitivity to the Convective Closure Assumption • North America • Prediction of the 1993 Flood and 1988 Drought • Sensitivity to the Boundary Conditions • Sensitivity to the Initial Conditions • Atmospheric Initial Conditions • Soil Moisture Initial Conditions • Sensitivity to the Convective Closure Assumption
West African Monsoon • Mercator Map Projection • 80 North-South • 121 East-West • 18 Vertical Levels • 55-km • 25 May thru 1 September 1996 Landuse and Elevation
West African Monsoon:JJA 1996 Precipitation CRU Obs RegCM-AS74 RegCM-FC80
West African Monsoon:JJA 1996 Temperature CRU Obs RegCM-AS74 RegCM-FC80
Examples of Simulations • Europe • East Asia • Simulation of the Monsoon • West Africa • Simulation of the Monsoon • Sensitivity to the Convective Closure Assumption • North America • Prediction of the 1993 Flood and 1988 Drought • Sensitivity to the Boundary Conditions • Sensitivity to the Initial Conditions • Atmospheric Initial Conditions • Soil Moisture Initial Conditions • Sensitivity to the Convective Closure Assumption
North American Flood and Drought • Rotated Mercator Map Projection • 80 North-South • 129 East-West • 18 Vertical Levels • 56-km • 25 June thru 1 August 1988 and 1993 Landuse and Elevation
Prediction of Flood and Drought • Importance…. • Water resources management • Cropping strategies • Saving human lives • Saving $$$ • Fire prevention 1988 Great North American Drought Driest & warmest since 1936 10,000 deaths $30 billion in Agricultural Damage 1993 Midwest Flood Record high rainfall Thousands homeless; 48 deaths $15-20 billion in Damage
July 1993 CRU Observations June 1988 CRU Observations Prediction of Flood and Drought Driest & warmest since 1936 10,000 deaths $30 billion in Agricultural Damage Record high rainfall Thousands homeless; 48 deaths $15-20 billion in Damage
July 1993: CRU Obs June 1988: CRU Obs June 1988: RegCM July 1993: RegCM
RegCM: ECMWF-AS74 RegCM: ECMWF-FC80 Sensitivity to Convective Closure CRU Observations
RegCM: ECMWF-IC+0 RegCM: ECMWF-IC+1 Sensitivity to Atmospheric Initial Conditions CRU Observations
RegCM: NORM SM Sensitivity to Soil Moisture Initial Conditions:July 1993 Precipitation CRU Observations RegCM: WET SM (East N.A.)
RegCM: NORM SM Sensitivity to Soil Moisture Initial Conditions:July 1993 Temperature CRU Observations RegCM: WET SM (East N.A.)
RegCM: NORM SM RegCM: DRY SM Sensitivity to Soil Moisture Initial Conditions:June 1988 Precipitation CRU Observations
RegCM: NORM SM RegCM: DRY SM Sensitivity to Soil Moisture Initial Conditions:June 1988 Temperature CRU Observations
Sensitivity to Boundary Conditions CRU Observations RegCM: NCEP RegCM: ECMWF