Gusty Winds Destroy One Home, Causing Roof Damage To Another.

Early Wednesday morning, isolated showers weakened as it moved across Southwestern Trinidad, producing gusty winds that destroyed one home and caused roof damage to another at Icacos Village, Cedros.

According to a Guardian Media report, a 55-year-old woman who is both hearing and verbally impaired was sleeping in her home when the gusty winds hit, ripping off the galvanized sheets from her roof.

Within minutes, the entire plywood structure collapsed. A nearby home also suffered roof damage.

What caused this?

Tropical Wave 02 Moves West of T&T

Brisk, isolated showers affected areas of Trinidad and Tobago overnight, with localized heavy showers affecting parts of Southern Trinidad. Thunderstorm activity generally remained offshore. Gusty winds associated with heavy showers affected parts of Icacos, causing roof damage to two homes. As the day progresses, there is the medium chance of brisk, isolated showers across both islands, with thunderstorm activity remaining offshore. Saharan Dust has returned, at moderate concentrations so sensitive groups are advised to take the necessary precautions.

Posted by Trinidad and Tobago Weather Center on Wednesday, May 27, 2020

Strong wind shear continues to be present across our region. This shear caused any shower or thunderstorm that develops to be rapidly weakened.

In a weakening shower or thunderstorm, the downdraft dominates the system, weakening it as time progresses. The downdraft will push down out of the thunderstorm or shower, hitting the ground, and spreading out. This phenomenon is known as a downburst.

The cool air carried to the ground by the downdraft cuts off the inflow of the shower or thunderstorm, the updraft disappears and the system will dissipate.

Diagram of convective precipitation, the basis of shower and thunderstorm development. When a thunderstorm or shower begins to dissipate, the downdraft overpowers the updraft, effectively "raining itself out." Diagram: Trinidad and Tobago Weather Center.
Diagram of convective precipitation, the basis of shower and thunderstorm development. When a thunderstorm or shower begins to dissipate, the downdraft overpowers the updraft, effectively “raining itself out.” Diagram: Trinidad and Tobago Weather Center.

These early to mid-morning showers were due to the passage of Tropical Wave 02 which moved across the region at approximately 3-4 AM.

May is one of the transition month between the Dry Season and the Wet Season, typically bringing increased showers. These showers are more frequent but retain the brevity of the typical dry season showers.

With no heavy rainfall from the first two tropical waves of 2020, the Trinidad and Tobago Meteorological Service has not declared the onset of the Wet Season to date.

Details and image of the wind damage courtesy Radhica Sookraj and Guardian Media Limited.

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