Live Updates – Tropical Wave 14

Tropical Wave 14 is forecast to move across Trinidad and Tobago on June 25th into June 26th. While widespread heavy rainfall is not anticipated, isolated showers and thunderstorms are possible. Heavy rainfall may trigger street or flash flooding. The main hazard associated with this tropical wave remains gusty winds up to and in excess of 60 KM/H. This may cause localized wind damages, downed trees, utility poles, and lines, as well as brief power outages. There are no alerts, watches, or warnings in effect from the TTMS.

Isolated Thunderstorm Affect Southern Trinidad

6:45 PM Thursday 25th June 2020

Isolated showers and thunderstorms are moving across T&T, with heavier showers favoring Trinidad and an isolated thunderstorm across Southern Trinidad.

Additional isolated activity forecast overnight, with a severe surge of Saharan Dust moving across the islands on Friday.

Main Hazards: Gusty Winds (>60 KM/H), isolated heavy rainfall.



Tropical Wave 14 Moves West of T&T, Isolated Showers Possible Through Tonight

1:45 PM Thursday 25th June 2020

The axis of Tropical Wave 14 is now west of T&T. As with most tropical waves, the highest chances for active weather follows the wave axis.

Overall rainfall chances have decreased. However, brisk showers are possible this afternoon through tonight. Gusty winds remain the main hazard.



Saharan Dust To Arrive Early Friday Morning

12:30 PM Thursday 25th June 2020

A weak tropical wave is moving across Trinidad and Tobago, with less activity than anticipated. The surge of Saharan Dust is now forecast to arrive early Friday (compared to the previously forecast mid to late Friday).

Air quality levels are forecast to reach unhealthy levels by the late morning, nearing very unhealthy levels by nightfall.

SAL Tracker as of 12:30 PM Thursday 25th June 2020 showing a severe surge of Saharan Dust approaching the region, following the axis of Tropical Wave 14.
SAL Tracker as of 12:30 PM Thursday 25th June 2020 showing a severe surge of Saharan Dust approaching the region, following the axis of Tropical Wave 14.


Mostly Stable Atmosphere Across T&T

9:00 AM Thursday 25th June 2020

Mostly sunny skies are forecast across Trinidad and Tobago through the mid morning. Moisture associated with Tropical Wave 14 is moving across the country, while the axis of the wave remains east.

By the late morning, increasing cloudiness is forecast across both islands, mainly Trinidad, with isolated showers developing across Southern and Eastern Trinidad. This activity will spread west to northwest across the islands.

By midday through the afternoon, isolated thunderstorms and showers are forecast to affect both islands, with heavier activity remaining offshore and north of T&T. Activity is forecast to persist into the night, gradually settling.

Gusty winds, up to and in excess of 60 KM/H and street flooding are possible in heavy to violent showers and thunderstorms. Seas to remain moderate, with waves up to 2.5 meters in open waters and near 1.0 meter in sheltered areas but may become choppy during heavy showers and thunderstorms. Localized power dips/outages, downed trees and wind damage possible.

GOES-EAST GEOCOLOR Satellite Imagery showing Tropical Wave 14 nearing the islands (NASA)
GOES-EAST GEOCOLOR Satellite Imagery showing Tropical Wave 14 nearing the islands (NASA)


Tropical Wave 14 Nearing T&T

1:00 AM Thursday 25th June 2020

The leading edge of moisture associated with Tropical Wave 14 is just over 150 kilometers east of Trinidad and Tobago, likely to begin moving across Trinidad and Tobago by the early to mid-morning. By the late morning, daytime heating will act as a trigger for shower and thunderstorm development across Trinidad.

The axis of this wave is along 55W, just under 550 KM east of Trinidad and Tobago, moving west at 15-20 knots (28-37 KM/H). This means the axis of the wave will approximately move across T&T on Thursday evening.

The axis of Tropical Wave 14 is along 55W, with isolated convection and few thunderstorms. (Weathernerds)
The axis of Tropical Wave 14 is along 55W, with isolated convection and few thunderstorms. (Weathernerds)


Tropical Wave 14 Forecast to Bring Isolated Heavy Showers, Thunderstorms & Gusty Winds

10:30 PM Wednesday 24th June 2020

 A fast-moving tropical wave is forecast to move across Trinidad and Tobago late Thursday, ahead of another significant surge of Saharan Dust. A low-level jet may enhance winds, producing gusty winds up to and in excess of 60 KM/H.

Possible impacts from Tropical Wave 14 as it moves across the islands late Thursday.
Possible impacts from Tropical Wave 14 as it moves across the islands late Thursday.


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