NYC Forecasts

  • RTFDDA Forecast Viewer
  • Model Configuration

RTFDDA Forecast Viewer

Routine forecasts are produced using NCAR's WRF-based RTFDDA weather analysis and prediction system. Four 36-h forecasts are produced each day, with the first initialized at 0000 UTC, and a new one initiated every 6 h thereafter.

View RTFDDA forecasts.

Model Configuration

Grid configuration

  • Four telescoping, two-way-interacting computational grids. Finest grid (1.5 km grid increment) centered over the New York City area.

Initial and lateral boundary conditions

  • NAM 40 km (GRIB grid 212)

Production times

  • 0000 UTC
  • 0600 UTC
  • 1200 UTC
  • 1800 UTC

Forecast duration

  • 36 h (hourly output)

Physics

  • YSU PBL scheme
  • Grell-Devenyi cumulus
  • Lin et al. cloud microphysics
  • Noah LSM
  • RRTM longwave radiation an Dudhia shortwave