PERCUSION Weather briefing

2024-08-12

Current synoptic situation

NHC surface analysis

NHC tropical weather outlook

NHC tropical Hovmöller

Latest satellite images

GOES WEST Latest Infrared Image

ECMWF Forecasts

Lead time = 12h

Lead time = 36h

Lead time = 60h

Lead time = 84h

Lead time = 108h

Saharan dust forecast

lead time = 12h

lead time = 36h

lead time = 60h

lead time = 84h

Local forecast for Sal

Summary

• We are still affected by a tropical wave, which is slowly moving westward off Sal.
• Very high chance for tropical cyclone development in the western Atlantic basin
• Tomorrows flight:
  • Seems to be calm upstream of a new tropical wave
  • Still some uncertainty in the position of both edges
  • Some chance to sample doldrums in northern circle
• A new tropical wave will affect us by the end of the week