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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: 20250630 PERIOD: Evening |
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Eastern Caribbean ********************** TROPICAL WAVES AT (1800UTC/ 2 PM LST) ********************** A tropical wave was analyzed near 44W south of 20N, moving west at 20 knots. Tropical Wave Outlook (18Z/30) Time/Date-------00Z/01----12Z/01----00Z/02----12Z/02----00Z/03---12Z/03---00Z/04 Wave Position----45W-------48W ------51W--------53W------56W-----60W------64W A tropical wave was introduced near 30W south of 12N, moving west at 20 to 25 knots Time/Date-------00Z/01----12Z/01----00Z/02----12Z/02----00Z/03---12Z/03---00Z/04 Wave Position----33W-------37W-----41/42W----46W-------50W------55W------59W ********************************************************************************************* The Atlantic high-pressure system was dominant across Barbados, the island chain, and Trinidad and Tobago, bringing fair to partly cloudy skies and passing light showers throughout the day. Here at Charnocks, Christ Church, a trace amount of rainfall was measured to have fallen throughout the day, with accumulations bring similarly minimal across the remainder of the island. Across the Guianas, comparatively higher atmospheric moisture brought partly cloudy to cloudy skies, with diurnal heating and surface to low-level convergence bringing deep convection and thunderstorms during the afternoon. Wind speeds across the region were moderate to breezy, peaking at 25 knots in St. Lucia. Seas were slight to moderate in open water, with swells ranging from 1.5m to 2.5m in open water. |
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Western Caribbean Mid to upper-level troughing enhanced surface to low-level convection across Cuba, Jamaica, the Cayman Islands, the Bahamas and parts of Hispaniola, bringing scattered showers and thunderstorms throughout the day. Across the remainder of the island chain, the Atlantic high-pressure system was dominant, with partly cloudy skies and passing light showers persisting. |
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Eastern Caribbean Outlook Tonight: The Atlantic high-pressure system will remain dominant overnight, with partly cloudy skies and light showers expected to persist. Barbados Forecast Max/Min Temps: 27/24. Tuesday: A weak low to mid-level trough may induce some small pockets of instability, triggering occasional periods of cloudiness and showers across Barbados and the eastern Caribbean. Barbados Forecast Max/Min Temps: 32/24 Wednesday: A surface to low-level ridge pattern will be the dominant feature across the region throughout the day, bringing a mix of sunshine and clouds, with a few light showers. Overnight, the tropical wave analyzed near 44W will be approaching the island chain, bringing a gradual increase in cloudiness. Barbados Forecast Max/Min Temps: 32/24 Thursday: The aforementioned tropical wave will bring cloudy skies and scattered light to moderate showers across Barbados and the island chain. Additionally, a favourable upper-level pattern has the potential to enhance some of the activity. Barbados Forecast Max/Min Temps: 31/24 Friday: The tropical wave near 30W will maintain some cloudiness and showers during the initial part of the day. Afterward, improving conditions are expected as the ridge pattern regains dominance across the region. Barbados Forecast Max/Min Temps: 31/24 |
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Western Caribbean Outlook Tonight: Unsettled conditions are expected to persist across Cuba and the Bahamas. Elsewhere, the ridge pattern will be dominant, with perturbations bringing periods of cloudiness and showers. Tuesday: Mid to upper-level instability will maintain some unsettled weather across the northern Bahamas and westernmost Cuba. The Atlantic high-pressure system will be dominant across the remainder of the basin; however, the supportive upper-level flow may lead to enhancement of low-level cloud patches, especially during the afternoon. Otherwise, partly cloudy skies and light showers are expected. Wednesday: A weak low to mid-level trough will exit the eastern Caribbean and move across the central Caribbean with occasionally cloudy skies and some scattered light showers forecast. Elsewhere, no significant change in the synoptic feature from the previous day is forecast. Thursday: The Atlantic high-pressure system will be dominant across the Western Caribbean. Diurnal heating is likely to trigger some afternoon showers, cloudy skies, and thunderstorms. Friday: The tropical wave near 44W, in combination with a supportive upper-level flow, will bring cloudy skies and showers to the central Caribbean. Elsewhere, conditions similar to the previous day are expected to persist. |
| Meteorologist Nkosi Mounter-Taitt |