|Coarse Grid||1st Nested Grid||2nd Nested Grid|
|Horizontal Resolution||18 × 18 km||6 × 6 km||2 × 2 km|
|No. of grid points||151 × 132||210 × 240||267 × 330|
|No. of vertical levels||27||27||27|
|Upper limit of vertical layer||50 hPa||50 hPa||50 hPa|
Atmospheric and SST data: NCEP/GFS for lateral boundary and initial conditions (0.25 × 0.25 degree)
Land use, soil and topography: horizontal resolution of 30×30s, defined during the WRF pre-processing stage.
Maps of forecasted fields are shown for Grid 2 (Northeast US) and Grid 3 (High-resolution forecast). Forecast time series (Local Forecast) are given for selected locations. 72 hours forecasting fields: