The reduced shower activity this morning should continue into early afternoon. By evening, moisture levels should be increasing again as the next tropical wave approaches the region. Mid to upper level features should support lower level instability with showers and isolated thunderstorm activity across our area by early Saturday.
Cloudiness should mix with hazy conditions on Sunday, followed quickly by another tropical wave expected to cross the region late Sunday into Monday with more showers and isolated thunderstorm activity.
Wind direction should vary between east south-east and east north-east this afternoon with moderate to fresh (20 – 40 km/h) breeze; veering is expected again during Saturday behind the axis of the first tropical wave axis. Varying directions during Sunday will indicate the approach of the following tropical wave as well as fresh to strong (30 - 50km/h) breeze.
Slight to moderate sea conditions are across SVG with east north-easterly sea-swells ranging 1.2m to 2.2m by Saturday. As wind speeds gradually increase, wave heights should be rising to moderate early next week.
Barometric readings should range 1014 – 1016mb across our area, rising slightly Monday.
Tropical waves between west coast Africa and Lesser Antilles:
Along 22W from 04N-12N, moving west at 15-20 kt with scattered showers and deep layer moisture is abundant along the axis based on the TPW product, plenty of Saharan dust is noted north of 12N, emerging into the Atlantic off the coast of Senegal.…~ 2340miles away… vicinity late Tuesday 18th Along 35W from 03N-12N, moving west at 10-15 kt with scattered showers…~ 1560miles away… vicinity Tuesday 18th)
Along 49W from 04N-14N, moving west at 15 kt with scattered showers along axis and a maximum in the low-mid level moisture and abundant Saharan dust…~ 720miles away… vicinity Saturday 15th