PERCUSION Weather briefing

2024-09-18

Current synoptic situation

NHC surface analysis

NHC tropical weather outlook

NHC tropical Hovmöller

Latest satellite images

GOES yesterday’s image

GOES latest image

GOES WEST Latest Infrared Image

ECMWF Forecasts

2024-09-18 15:00 UTC

2024-09-19 15:00 UTC

2024-09-20 15:00 UTC

2024-09-21 12:00 UTC

2024-09-22 12:00 UTC

2024-09-23 12:00 UTC

Ensemble forecasts of moist margins

Ensemble forecasts of moist margins

Total aerosol optical depth

2024-09-18 15:00 UTC

2024-09-19 15:00 UTC

2024-09-20 15:00 UTC

2024-09-21 12:00 UTC

Local forecast for Barbados

Summary

• For tomorrow’s flight:
  • northern moist margin obscured by moist outflow into tropical disturbance
  • potential for deep convection in northern flight area east of EC track
• For next flight:
  • northern moist margin still obscured by interaction with tropical disturbance
  • no deep precipitating convection expected but good chance of sampling doldrums

Supporting figures

Horizontal surface wind convergence