Adverse Weather Alert In Effect For T&T From 11 PM Tuesday

Key Messages:
— A surface to low-level trough is moving across Trinidad and Tobago, with a favorable atmospheric environment. However, strong wind shear is keeping much of the activity brief and mainly east of Trinidad and Tobago. Showers and thunderstorms are still forecast to affect the country through Wednesday. Note that higher, overall rainfall accumulations are forecast to remain across southern and eastern areas of the country, with localized high totals along western Trinidad.
— Main impacts include gusty winds up to 45 KM/H, with winds in excess of 55 KM/H possible, and street or flash flooding across Trinidad and Tobago. Increased sustained winds across the country, particularly ahead of and during thunderstorms and heavy showers are also possible. These gusty winds may cause scattered areas of power dips/outages, downed trees, and localized wind damage. The highest flood threat exists along the eastern half of Trinidad as smaller watercourses are already near or at threshold levels.
— Frequent lightning may accompany thunderstorms. Funnel clouds and waterspouts are unlikely. Seas are forecast to remain agitated.
– The alert remains effective from 11:00 PM Tuesday through 4:00 PM Thursday for both Trinidad and Tobago. Activity will generally favor Trinidad.

The Adverse Weather Alert

The Trinidad and Tobago Meteorological Service has issued an Adverse Weather Alert (Yellow Level) on Tuesday afternoon at 6:41 PM. The alert will go into effect from 11:00 PM Tuesday 21st December 2021 for Trinidad and Tobago until 4:00 PM Thursday 23rd December 2021.

Trinidad and Tobago is not under any tropical storm watch or warning at this time.

Adverse Weather Alert information from the Trinidad and Tobago Meteorological Service
Adverse Weather Alert information from the Trinidad and Tobago Meteorological Service
Adverse Weather Alert information from the Trinidad and Tobago Meteorological Service
Adverse Weather Alert information from the Trinidad and Tobago Meteorological Service

“There is a high (70%) potential for isolated moderate to heavy showers accompanied by gusty winds in excess of 55 km/hr. Such wind gusts may be brief but are capable of displacing unsecured roofs and loose outdoor objects and can even topple over unhealthy trees. Heavy downpours can lead to street flooding and localized ponding, especially in low-lying areas. While Trinidad is expected to experience the majority of the rainfall activity and associated impacts, there is still the likelihood of Tobago experiencing isolated strong gusts in the vicinity of showers.” 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 mainly 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 secure loose items outdoors and livestock. Small craft operators should be on the alert for above normal or choppy sea conditions in strong winds. Avoid venturing into floodwaters. The public should monitor weather conditions and updates from official sources.

Image Credit: Trinidad and Tobago Meteorological Service
Image Credit: Trinidad and Tobago Meteorological Service
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