Dengue Incidence Risk Alert for the County of St David/St Andrew is likely to be above normal during the period August to October 2017.
The Meteorological Service (Met Office) in its Climate Dengue Incidence Risk Outlook issued June 9, made the prediction based on the rainfall outlook for the period May to July (MJJ) 2017, which is likely to be below normal with possible average monthly rainfall totals 250mm, accompanied by average monthly maximum temperatures of 33oC for the county.
These conditions, along with January to March 2017 Sea Surface Temperatures (SSTs) anomalies which characterise the state of the Nino 3.4 Index are likely to be associated with Dengue Incidence Risk for the period – August to October 2017 in northeast Trinidad, the Met Office stated.
As such, the Dengue Incidence Risk outlook for the county for the three-month period ending October 2017 is likely to be above normal.
The Met Office explained that the wet season will cause spikes in dengue cases but below normal rainfall increases the incidences of dengue, while too much rainfall has the opposite effect and reduces the instances of dengue or pushes the spike in incidences to a later period.
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