A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, within 48 hours.
At 5 PM, the National Hurricane Center (NHC) upgraded an area of low pressure located about 700 miles east of the Windward islands to Tropical Storm Tammy.
Tammy is moving quickly westward or west-northwards toward the Lesser Antilles.
Forecast guidance suggests that Tropical Storm Tammy could begin impacting the Lesser Antilles on Friday 20th October into Saturday 21st October 2023.
POSSIBLE CONDITIONS:
- Wind speeds - From Friday, gusting to tropical storm force winds;
- Rainfall - An increase in showers and thunderstorm activity from Friday which could result in widespread flooding,
possibly 50 to 100 mm/ 2 to 4 inches of rainfall with the 6 inches or greater in higher elevations; - Sea conditions - Deterioration in sea conditions on the east coast on Friday, with waves peaking to 4.0 m/ 12.0 ft.
POSSIBLE IMPACTS:
- Rivers, streams, gutters and ravines will likely overflow their banks and flood surrounding areas from overnight Thursday;
- Landslides and rock falls from overhanging cliffs;
- Loose objects could become missiles in gusty winds;
- People living near the coast will be impacted.
Residents should continue to monitor the progress of Tropical Storm Tammy.
The Dominica Meteorological Service and the Office of Disaster Management will continue to provide updates as they become available. Please stay tuned to the local weather forecast and updates on the development of this system.
For preparedness information go to the ODM website: odm.gov.dm | Facebook page: ODMDominica1 | call ODM Telephone: (767) 266-4412.