The Trinidad and Tobago Meteorological Service has issued its fourth yellow-level adverse weather alert, extending the warning until 10 pm on October 20. The alert, initially activated at noon on October 18, was prompted by an active tropical wave traversing the Caribbean Sea. Although the core of the tropical wave has moved on, residual moisture and atmospheric instability continue to trigger sporadic heavy showers and isolated thunderstorms across the region. Residents are advised to prepare for localized street and flash flooding, potential landslides in hilly and vulnerable areas, gusty winds accompanying severe weather, and agitated seas. Authorities have urged the public to secure loose outdoor objects and remain vigilant about rapidly changing weather conditions. Motorists and those living in flood or landslide-prone zones are particularly cautioned to exercise heightened awareness and caution during this period. The extended alert underscores the persistent risks posed by the lingering effects of the tropical wave, emphasizing the need for preparedness and safety measures.