Sunday 23 September, 2018

Tropical Storm Isaac update, flash flood-watch in effect

The Barbados Meteorological Services continues to monitor the progress of Tropical Storm Isaac which is expected to become a hurricane by Monday. 

At 5a.m. Sunday, the system was located 1,440 miles (2,300 kilometres) - or 14.5N 38.1W - east of Barbados. 

A generally westward motion with an increase in forward speed is expected during the next few days.  

Maximum sustained winds remain near 50 mph (85 km/h) with higher gusts. Tropical storm-force winds extend outward up to 60 miles (95 km) from the centre. 

Based on current forecast track projections, Isaac is expected to move over the northern Lesser Antilles late Wednesday into Thursday. 

However, it is too early at this stage to identify what likely impacts Barbados will experience as the center of system is projected to pass just to our north. 

It may become necessary to place Barbados under a watch or warning as the system draws closer to the region. 

The BMS will continue to closely monitor the progress of Tropical Storm Isaac and will update this information as it becomes necessary. 

 

… 

 

A flash Flood-Watch is in effect for western, north-western and south-western sections of Barbados issued.  

The watch was issued 11:00 am on Sunday September 9, 2018. 

 A Flash Flood Watch means that flooding due to heavy or excessive rainfall in a short period of time (generally less than 6 hours) could result in flooding within the Watch area.  

A weak pressure gradient across the island is resulting in light surface to low- level winds. This coupled with strong daytime heating is forecast to trigger some convective moderate to heavy showers over some western, northwestern and south western districts.  

Rapid rainfall accumulations of 1 to 2 inches are possible over the watch area. This could result in some flooding in flood prone areas.  

Hence a Flash-Flood Watch is now in effect for Barbados until 5 pm today, Sunday, September 9, 2018. Residents in Flood-prone areas should be on the alert and take the necessary precaution. This Watch may be up-graded to a Warning if conditions warrant. 

 

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