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Barbados Meteorological Services
Charnocks ChCh
Weather Discussion
http://www.BarbadosWeather.org
Initial to 4 days discussion based on Satellite imagery,BMS Radar composite,S.P.I.E products,GEM, GFS, WW3, UKMET and BMS WRF modeling, surface and upper air observations, Satellite derived products.
DATE: 20260309 PERIOD: Evening

Eastern Caribbean

A 1027 mb northwestern surface to low-level Atlantic high-pressure system with a center near 31N 57W at 091800 UTC was the dominant feature across Barbados and the eastern Caribbean. However, a marginally favourable upper-level Jet stream, mainly over the northern half of the island chain produced partly cloudy skies with brief isolated showers. Elsewhere, the ridge pattern allowed for a mix of clear skies and clouds with a few brief isolated showers. Trinidad and Tobago experienced mostly fair weather conditions due a dominant ridge pattern and relatively dry mid-level atmosphere over that area.
Across the Guianas. the combination of a confluent pattern and low-level moisture extending up 600 mb (about 14,000 feet) produced cloudy skies with a few light showers and a few periods of light rain.
Winds across the region were moderate to breezy, sustained at a maximum of 28 knots in St. Lucia, while reaching 25 knots here in Barbados with a gust of 35knots.
Seas remain agitated, ranging between 2.0m and 2.5m around the island and decreasing.
Western Caribbean

A deep-layered trough anchored between central Cuba and eastern Hispaniola generated a few light showers, a few periods of light rain and isolated thunderstorms over that area including Jamaica and the southern Bahamas. Elsewhere, a surface to low-level ridge pattern allowed for a mix of clear skies and clouds with a few brief isolated showers.
Eastern Caribbean Outlook

Tonight: A 1028 mb northwestern surface to low-level Atlantic high-pressure system will be the dominant feature. Model data indicate a marginally favourable upper-level Jet stream, mainly over the northern half of the island chain, which could enhance a surface-to-low-level confluent pattern. As a result, a mix of clear skies and clouds with a few brief isolated showers can be expected.

Barbados Forecast Max/Min Temps: 30/21.

Tuesday: No significant change in weather conditions compared to the previous day is expected.

Barbados Forecast Max/Min Temps: 30/21.

Wednesday: The western Atlantic high will remain dominant. However, an increase in upper-level moisture associated with the Jet is forecast to spread over the entire island chain. Consequently, an increase in cloud cover and shower activity is likely.

Barbados Forecast Max/Min Temps: 30/21.

Thursday: No significant change in weather conditions compared to the previous day is anticipated.

Barbados Forecast Max/Min Temps: 30/21.

Friday: The ridge pattern is forecast to strengthen, becoming 1035 mb with a center near 35N 34W at 131200 UTC. Model data also indicate an increase in low-level moisture, which can lead to intermittent light to moderate showers across the region.

Barbados Forecast Max/Min Temps: 30/21.
Western Caribbean Outlook

Tonight: A deep-layered trough anchored between central Cuba and eastern Hispaniola is forecast to generate a few light showers and isolated thunderstorms over that area including Jamaica and the southern Bahamas. Elsewhere, a surface to low-level ridge pattern will allow for a mix of clear skies and clouds with a few brief isolated showers.

Tuesday: No significant change in weather conditions compared to the previous day is expected.

Wednesday: As the trough remains across the central Caribbean, a reduction in the mid to upper-level moisture will allow for a drier and more stable atmosphere.

Thursday: A surface to low-level ridge pattern will be dominant across the western Caribbean allowing for a mix of clear skies and clouds with a few brief isolated showers.

Friday: A cold frontal boundary will move across the northern Bahamas generated cloudy skies with light to moderate showers, periods of rain and thunderstorms over the northern and central Bahamas. Elsewhere, the surface to low-level ridge pattern will be dominant across the western Caribbean allowing for a mix of clear skies and clouds with a few brief isolated showers.
Meteorologist David Harding