— An active and fast-moving tropical wave (Tropical Wave 41) is approaching the region, forecast to move across the area on Friday into Saturday, with a surge of Saharan Dust following on Sunday.
— Periods of heavy rainfall may trigger street or flash flooding across both islands over the next 48 hours. The main impacts include increased sustained winds, with wind gusts in excess of 55 KM/H possible, causing power dips/outages, downed trees, and localized wind damage. Frequent lightning may accompany thunderstorms. Landslides are possible across the Northern Range and Tobago. Funnel clouds and waterspouts are possible, though chances remain low. Seas are forecast to be agitated.
– The alert is in effect from 12:00 AM Friday through 2:00 PM Friday for Trinidad, Tobago, and surrounding marine areas.
The Adverse Weather Alert
The Trinidad and Tobago Meteorological Service has issued the Adverse Weather Alert (Yellow Level) on Thursday night at 10:20 PM. This alert will go into effect from 12:00 AM Friday 3rd September 2021 through 2:00 PM Friday 3rd September 2021 for Trinidad and Tobago and surrounding marine areas.
Trinidad and Tobago is not under any tropical storm watch or warning at this time.
“There is a high potential for moderate to heavy showers and isolated thunderstorms to affect both Trinidad and Tobago and offshore areas from just after midnight tonight. Activity is expected to initially affect Tobago and gradually spread across Trinidad. While Tobago may begin to experience some showers before midnight, more impactful activity is expected as the night progresses. Street/flash flooding, localized ponding, landslides/landslips and gusty winds in excess of 55 km/hr are likely in areas of heavy showers or thunderstorms.” according to the Trinidad and Tobago Meteorological Service. This “alert” status takes into account the possibility of the event occurring. This adverse weather event is likely.
The color of the alert indicates the severity of the event and the probability of the event occurring. Currently, the alert level is at Yellow. This means that the hazard is likely, but the severity of impacts is moderate for this particular alert. You should be aware of the hazards in your area associated with gusty winds in excess of 45 KM/H, street, and flash flooding as well as landslides.
For a moderate Adverse Weather Alert, there is the potential for possible injuries, where behavioral changes are required to ensure safety. There may be minor damage to property, with income-earning temporarily disrupted and a couple of communities are affected.
The Met Office is advising the public to monitor weather conditions and updates from official sources.