(#BARBADOS GOV’T INFO. SERVICE) Hurricane Tips – Terms to Know
The 2019 Hurricane season is well underway, and by now all preparations should be in place in the event a weather system affects the island.
Here are some important terms we should all know:
Flood Watch – Period during which flood monitoring, forecasting and flood warnings are carried out. During this time the probability of flooding is assessed and information disseminated.
Flood Alert – Period of intense data collection, monitoring and assessment. The possibility of flooding is present.
Flood Warning – Issued when indications show that water levels will exceed the alert level within 24 hours.
Small Craft Advisory – Issued when weather conditions make small craft operations marginally safe. Issued for moderate sea conditions, winds of 20 mph or low visibility due to haze.
Small Craft Warning – Issued when conditions are unsafe for small craft operations. Issued for tropical depressions, storms, hurricanes and rough seas.
Storm Warning – Issued for an area when tropical storm conditions are expected to occur within 24 hours or less.
Tropical Wave – Is a low-pressure trough or a weak low-pressure circulation.
Tropical Cyclone – The general term used for anti-clockwise circulations originating over tropical waters.
Tropical Disturbance – An area of organised convection in the lower atmosphere which may or may not be associated with a surface low-pressure system and which has maintained its identity for at least 24 hours.
Tropical Depression – Is a tropical cyclone in which the maximum average surface wind is 38 mph or less.
Tropical Storm – A well organised tropical cyclone has maximum average surface winds of 39-73 mph.