Table 1: Main characteristics of domains, initial, and boundary conditions.

CharacteristicsDomain 1Domain 2Domain 3

Central pointLatitude: 10°S
Longitude: 75°S
Latitude: 12.25819°S
Longitude: 74.8356°S
Latitude: 12.39203°S
Longitude: 75.0548°S
Horizontal grid step18 km6 km3 km
Dimension (XYZ)115 × 140 × 28115 × 142 × 28125 × 161 × 28
Time step90 s36 s18 s
Initial and contour conditionsFNL 1.00 × 1.00Simulation of domain 1Simulation of domain 2