— The passage of a tropical wave, with trailing moisture and the ITCZ is forecast to affect T&T, with heavier rainfall affecting Tobago and generally remaining north and east of T&T, as forecast.
— Periods of heavy rainfall may trigger highly localized street or flash flooding, favoring Tobago, over the next 18 hours. Additional 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. Landslides are possible across the Northern Range and Tobago. Lightning will accompany thunderstorms. Funnel clouds and waterspouts are possible but at this time, remains unlikely.
– The alert is in effect from 4:00 AM Wednesday through 6:00 PM Wednesday for mainly Tobago and offshore areas, and to a lesser extent Trinidad. A Hazardous Seas Alert is also in effect from 11:00 PM Tuesday and continues through 2:00 PM Friday.
The Adverse Weather Alert
The Trinidad and Tobago Meteorological Service has issued an Adverse Weather Alert (Yellow Level) on Tuesday night at 9:57 PM. This alert will go into effect from 4:00 AM Wednesday 13th October 2021 through 6:00 PM Wednesday 13th October 2021 for mainly Tobago and offshore areas and to a lesser extent Trinidad.
Trinidad and Tobago is not under any tropical storm watch or warning at this time.
“While mixed conditions are expected over the next 24 hours, there is a high (70%) potential for moderate to heavy showers and isolated thunderstorms initially favoring Tobago and offshore areas from early morning. Activity is expected to spread across Trinidad as the day progresses. Localized flooding 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 55 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.