St Kitts and Nevis Meteorological Forecast

This detailed weather forecast, valid until 8:00 AM on Monday, December 23, 2024, predicts a shift from partly cloudy conditions to a moderate chance of showers for a specific geographical area. The forecast, issued on December 22, 2024, outlines the interplay of atmospheric conditions that are expected to bring about this change in weather. The daytime high temperature is predicted to reach 32°C (90°F), while the low temperature is expected to dip to 22°C (72°F). The forecast highlights a 30% chance of showers during the daytime hours, increasing to a 60% chance during the night. This increase in shower probability is attributed to the presence of a frontal boundary interacting with available moisture and atmospheric instability. This combination creates favorable conditions for the development of shower activity, primarily commencing in the evening hours.

The forecast details the anticipated wind conditions, predicting easterly winds ranging from 11 to 28 km/h (7 to 17 mph). These moderate winds are expected to contribute to sea conditions characterized by waves between 1.2 and 1.8 meters (4 to 6 feet) in height. This information is pertinent for marine activities and coastal residents. The forecast also provides the sunset time for December 22nd as 5:43 PM and the sunrise time for December 23rd as 6:37 AM, offering useful information for planning outdoor activities and understanding the daylight hours. The forecast’s emphasis on the increasing likelihood of showers during the night suggests the possibility of more significant rainfall accumulation compared to the daytime hours.

The forecast’s mention of a frontal boundary is a key element in understanding the predicted weather change. A frontal boundary represents the transition zone between two air masses with different temperature and humidity characteristics. In this case, the approaching front likely carries cooler and more humid air, which, when interacting with the existing warm and moist air mass, creates instability in the atmosphere. This instability is crucial for the development of showers and potentially thunderstorms. The upward motion of air along the frontal boundary forces the moist air to rise, cool, and condense, leading to the formation of clouds and precipitation. The 60% chance of showers during the night suggests that the frontal passage is likely to occur during this period.

The provided temperature range, with a high of 32°C (90°F) and a low of 22°C (72°F), indicates a relatively warm and humid environment. This warm and moist air mass serves as the fuel for the potential shower activity. The significant temperature difference between the day and night suggests that the daytime heating contributes to the atmospheric instability. As the sun sets and the temperature drops, the atmosphere becomes more conducive to condensation and precipitation. The easterly winds also play a role in transporting moisture towards the area, further enhancing the chances of showers.

The sea state forecast, with waves expected to reach 1.2 to 1.8 meters (4 to 6 feet), indicates relatively moderate sea conditions. While not particularly hazardous, these wave heights suggest that small craft operators and those engaging in water activities should exercise caution. The wind speed, combined with the wave height, provides a comprehensive picture of the marine environment. These conditions are likely influenced by the approaching frontal system, which can often generate increased wind and wave activity.

In summary, this weather forecast paints a picture of a transitioning weather pattern. Starting with partly cloudy conditions and a low chance of showers during the day, the forecast predicts an increasing likelihood of showers as the night progresses. This change is attributed to the influence of an approaching frontal boundary, interacting with available moisture and atmospheric instability. The forecast details the expected temperature range, wind conditions, and sea state, providing a comprehensive overview of the anticipated weather conditions for the specified period. This information is valuable for individuals planning outdoor activities, marine operations, and anyone sensitive to changes in weather patterns.