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: RegCM JJA Precipitation: RegCM JJA Precipitation: CRU Obs DJF Precipitation: CRU Obs

DJF Temperature: RegCM JJA Temperature: RegCM JJA Temperature: CRU Obs DJF Temperature: CRU Obs

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

JJA Precip RegCM CRU Obs DJF Precip CRU Obs DJF 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 RegCM-FC80 CRU Obs RegCM-AS74

RegCM-FC80 CRU Obs RegCM-AS74 West African Monsoon: JJA 1996 Temperature

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 ,000 deaths $30 billion in Agricultural Damage 1993 Midwest Flood Record high rainfall Thousands homeless; 48 deaths $15-20 billion in Damage

Prediction of Flood and Drought July 1993 CRU Observations June 1988 CRU Observations Driest & warmest since ,000 deaths $30 billion in Agricultural Damage Record high rainfall Thousands homeless; 48 deaths $15-20 billion in Damage

July 1993: RegCM July 1993: CRU Obs June 1988: RegCM June 1988: CRU Obs

Sensitivity to Convective Closure RegCM: ECMWF-FC80 RegCM: ECMWF-AS74 CRU Observations

Sensitivity to Atmospheric Initial Conditions RegCM: ECMWF-IC+1 RegCM: ECMWF-IC+0 CRU Observations

Sensitivity to Soil Moisture Initial Conditions: July 1993 Precipitation RegCM: WET SM (East N.A.) RegCM: NORM SM CRU Observations

Sensitivity to Soil Moisture Initial Conditions: July 1993 Temperature RegCM: WET SM (East N.A.) RegCM: NORM SM CRU Observations

Sensitivity to Soil Moisture Initial Conditions: June 1988 Precipitation RegCM: DRY SM RegCM: NORM SM CRU Observations

Sensitivity to Soil Moisture Initial Conditions: June 1988 Temperature RegCM: DRY SM RegCM: NORM SM CRU Observations

Sensitivity to Boundary Conditions RegCM: ECMWF RegCM: NCEP CRU Observations