Caribbean Broadcasting Corporation

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Severe Thunderstorm & Flash Flood Warnings downgraded

October 21, 2023

The Severe Thunderstorm and Flash Flood Warnings in effect for Barbados have been downgraded to Watches.

A Severe Thunderstorm Watch is issued when significant lightning activity is possible within the watch area (generally within 6 hours).

A Flash Flood Watch is issued when heavy or excessive rainfall in a short period of time (generally less than 6 hours) could result in flash flooding within the watch area. It does not mean that flooding will occur, but it is possible.

The immediate threats of severe thunderstorm activity and excessive rainfall have diminished during the early afternoon, resulting in the warnings being downgraded.

Rainfall accumulations of up to 5 inches have occurred across the island throughout the morning. Additional rainfall accumulations of 1 to 2 inches are possible throughout the afternoon as Barbados remains under the influence of the flow into Hurricane Tammy. As a result, another feeder band can develop leading to another session of intense shower and thunderstorm activity across the island.

The BMS says the public can expect some lightning activity in the near future, and warns there is an increased likelihood of power outages if lightning strikes power utility infrastructure.

The following are also possible:

  • Soil erosion on bare or scarred land surfaces
  • Water settlements on roads and fields which may lead to commuting delays and possible isolated diversions
  • Increases in water levels of existing water bodies (e.g. ponds etc.)
  • Invasive excess water on roads, fields, storm drains/water canals and on property
  • Residents and visitors should also be aware that this alert level could elevate to red

This alert will be updated or terminated at 6:00 p.m. or sooner if conditions warrant.

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