Issued 11:00am on Friday 20th October 2023

At 10am today the National Hurricane Center upgraded Tammy to a category 1 hurricane

The Tropical Storm Warning will remain in effect for Dominica.

 

A Tropical Storm Warning means that tropical storm conditions are expected within the warning area, generally within 36 hours.

 

Additionally, a hurricane watch will be in effect from 2pm today. A hurricane watch means that hurricane conditions are possible within the watch area generally within 48 hours.

 

At 11am, the center of Hurricane Tammy was located near latitude 14.1 North, longitude

58.6 west or about 206 miles southeast of Dominica. Tammy is now moving at 7mph towards the west northwest.

Maximum sustained winds are near 75 mph. Tropical storm force winds extend outward up to 140 miles from the center while hurricane force winds extend outward up to 25 miles.

 

Estimated earliest arrival of tropical storm force winds is 2pm on Friday 20th October 2023.

 

 

KEY NOTES:

• Tammy has been upgraded to a category 1 hurricane;

 

• Tammy has significantly slowed in its forward trajectory;

 

• Tammy is better organized and has intensified into a Hurricane;

 

• Tammy is expected change direction more Northerly as the day progress;

 

• Most of the stronger winds and heavy rains remain to the Northeastern section of the Storm.

 

POSSIBLE CONDITIONS:

• Hurricane force winds – 75 to 110mph

EXPECTED CONDITIONS:

• Tropical storm force winds on Friday between 39 to 75 mph;

 

• An increase in showers and thunderstorm activity today which could result in flooding, possibly 50 to 100 mm/ 2 to 4 inches of rainfall or greater in higher elevation of possibly 6 inches;

 

• Continued deterioration in sea conditions today from 0 m/ 10.0 ft up to 4m or

12.0 ft on Friday night.

 

EXPECTED IMPACTS:

• Rivers, streams, gutters and ravines will likely overflow their banks and flood surrounding areas;

 

• Landslides and rock falls;

 

• Loose objects could become missiles in gusty winds;

 

• People living near the coast will be

 

Residents should continue to monitor the progress of Hurricane Tammy and ensure that they have their hurricane season plans finalized and activated to protect life, property and livelihood.

The Dominica Meteorological Service will continue to provide updates as they become available.

Please stay tuned to the local weather forecast or check our website for updates on the development of this system.

Www.weather.gov.dm

Prepared By Ithoma James