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Barbados Meteorological Weather Discussion
Date :Wednesday 22nd FEBRUARY, 2012
WEATHER SUMMARY FOR BARBADOS AND THE EASTERN CARIBBEAN :
The ridge of high pressure continued to be the dominant feature here in Barbados and across the remainder of the island chain today. The strong subsidence associated with the ridge again maintained a dry and stable atmosphere and as a consequence the little shower activity that made landfall in Barbados and some of the other islands of the region was brief and very shallow. Over Barbados and the southern Windward Islands, some high level moisture was transported across this area by a strong south westerly flow and this resulted in a canopy of high level cloudiness over this area. As the ridge strengthened and tightened the pressure gradient, there was a noted increase in the wind speeds and also a corresponding increase in the sea swells.
To the extreme south of the region, the weather conditions across the Guianas improved marginally but continued to be influenced by the trough system. There was still however some reports of showers but a diminishing of the thunderstorm activity.
WEATHER SUMMARY FOR THE CENTRAL AND THE WESTERN CARIBBEAN :
The strong subsidence associated with the deep layered ridge pattern remained across the region. Again, there was very little moisture around to trigger any significant shower activity as the moisture levels continued to be low. However, some pockets of moisture generate by the moderate to fresh breezes blowing across the area was enough to contribute a few spotty showers across sections of Puerto Rico and some of the extreme northern Leeward Islands. For the other islands in the Caribbean basin the dry and stable environment maintained mostly fair skies.
WEATHER OUTLOOK FOR BARBADOS AND THE EASTERN CARIBBEAN :
Today's analysis of the model data continues to indicate that the strong deep layered ridge of high pressure will remain the dominant weather feature here in Barbados and across the island chain throughout this forecast period ending Sunday and beyond. The strong subsidence associated with the ridge will continue to sustain a relatively dry and stable environment which will maintain low moisture levels across the area. While this will be the general pattern, there will be some speed convergence as the pressure gradient tightens a bit more tomorrow and induce some marginal increase in the moisture levels. This therefore could result in a few more cloud clusters with a little more embedded showers passing across Barbados and the island chain on top of the now accustomed late night and early morning showers, however, with the strong winds, this activity will be short-lived. These strong winds too will now create breezy conditions across the islands.
Over the Guianas, the trough will remain in place for a few more days and although there will be some reduction in the activity of the previous days, still expect a few more showers to occur over the area.
There is still that strong indication that there will be the continued deterioration of the sea conditions across the area. Already with the increase in the wind speeds, the height of the sea swells has begun to rise and will reach a zenith of near 10 feet over the weekend. These high swells will be maintained until Tuesday before any improvement is seen.
WEATHER OUTLOOK FOR THE CENTRAL AND THE WESTERN CARIBBEAN :
The deep layered ridge of high pressure will continue to be the dominant feature across the central and western Caribbean throughout the forecast period. As a consequence, this dominant feature will maintain the dry and stable environment across the area with very little cloudiness and a moderate to fresh east northeasterly wind flow. This wind flow however could induce some shallow pockets of moisture, which could generate some brief scattered shower activity mostly during the afternoon over some sections of the area.
As it relates to the sea conditions, north northeasterly swells will build across the area through out the forecast period as the strong winds continue to impact the area. These strong winds and swells will result in rough and hazardous sea conditions across the Caribbean Basin.
METEOROLOGIST :
Cameron Burke