Climate Research Division;
Environment Canada;
Gatineau;
Canada;
National Agromet Center;
Pakistan Meteorological Department;
Islamabad;
Pakistan;
National Drought Monitoring Center;
Pakistan Meteorological Department;
Islamabad;
Pakistan;
York University;
Toronto;
Canada;
Water; Budgets; Drought; over; Central; Southwest; Asia; Moisture; Flux; Convergence; Principle; Component; Analysis; Climate; Change;