PERCUSION Weather briefing

2024-09-01

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

2024-09-01 12:00 UTC

2024-09-02 12:00 UTC

2024-09-03 12:00 UTC

2024-09-04 12:00 UTC

2024-09-05 12:00 UTC

Ensemble forecasts of moist margins

Exceptional precipitation over the Sahara

Saharan dust forecast

2024-09-01 12:00 UTC

2024-09-02 12:00 UTC

2024-09-03 12:00 UTC

2024-09-04 12:00 UTC

Local forecast for Sal

Summary

• Tuesday’s flight:
  • Northern circle is not at the edge: Neither at moist margin nor at convection margin
  • Northern circle might sample a developing tropical strom though
  • Wide ITCZ with plenty of deep convection
• Transfer flight:
  • East and south of potentially developing tropical storm
  • Southern moist margin, which should be sampled, is rather certain
• Exceptional rain event in the Sahara expected