HERE’S WHAT YOU SHOULD KNOW ABOUT TSUNAMIS – TSUNAMIS ARE RARE, BUT ARE A POTENTIALLY DANGEROUS THREAT TO THE EASTERN CARIBBEAN

Montserrat is located in the Eastern Caribbean which is considered the most seismically active area along the Caribbean Plate.

Numerous volcanoes – both above ground and submarine – have the potential to cause landslides that generate tsunamis. This tsunami threat is in addition to earthquake-generated tsunamis along major faults and plate boundaries. Each year, over 1200 earthquakes are recorded in the Eastern Caribbean.

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MONTSERRAT’S NATIONAL WEATHER FORECAST VALID UP TO 8 AM SATURDAY FEBRUARY 16TH, 2019

 

SYNOPSIS: A moderate to fresh trade wind flow generated by a ridge of high pressure will continue to transport pockets of low level moisture over and around the islands at times during the next 24 hours, thus maintaining a moderate chance for shower activity across the area during that time.

WEATHER TODAY: Partly sunny skies with locally cloudy spells and a 50 percent or moderate chance for passing showers.

WEATHER TONIGHT: Fair to partly cloudy and cool conditions tonight with a 20 percent or slight chance of a brief overnight shower.

WINDS: Southeast at 22 to 33 km/h or 12 to 18 knots with higher gusts over open waters..

SEAS: Gradually subsiding, ranging between 1.5 to 2.1 metres or 5 to 7 feet. Small craft operators and sea bathers should however continue to exercise caution mainly in coastal waters east of the islands as an advisory remains in effect..

Sunset today: 6:12 pm.      Sunrise tomorrow: 6:34 am. Continue reading

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MONTSERRAT’S NATIONAL WEATHER FORECAST VALID UP TO 8 AM FRIDAY FEBRUARY 15TH, 2019

 

SYNOPSIS: A broad area of high pressure is the dominant feature. Winds associated with this system will continue to drive shallow cloud patches and pockets of moisture across the Islands to trigger brief cloudiness and showers.

WEATHER TODAY: Partly cloudy with a 40 percent or moderate chance of showers.

WEATHER TONIGHT: Partly cloudy with a 20 percent or slight chance of showers.

WINDS: East southeast at 22 to 37 km/h or 12 to 20 knots.

SEAS: 1.8 to 2.4 metres or 6 to 8 feet. The small craft advisory remains in effect..

Sunset today: 6:12 pm. Sunrise tomorrow: 6:35 am.

TODAY’S TEMPS:

HIGH: 29 °C/ 84 °F

LOW: 21 °C/70 ° F

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MONTSERRAT’S NATIONAL WEATHER FORECAST VALID UP TO 8 AM THURSDAY FEBRUARY 14TH, 2019

 

SYNOPSIS: A moderate to fresh wind flow generated by a surface high pressure will prevail across the region. The high will push pockets of moisture across the area and some of which could produce few passing showers across the islands.

WEATHER TODAY: Partly cloudy with few cloudy spells with a 40 percent or moderate chance of showers.

WEATHER TONIGHT: Partly cloudy with a 30 percent or low chance of showers

WINDS: East 19 to 33 km/h or 10 to18 knots with higher gusts mainly in showers..

SEAS: 1.8 to 2.4 metres or 6 to 8 feet. A small craft advisory remains in effect mainly for the northern and eastern sides of the islands..

Sunset today: 6:11 pm. Sunrise tomorrow: 6:35 am.

TODAY’S TEMPS:

HIGH: 29 °C/ 84 °F

LOW: 22 °C/72 ° F Continue reading

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MONTSERRAT VOLCANO OBSERVATORY (MV0) WEEKLY REPORT FEBRUARY 1ST, 2019 TO FEBRUARY 8TH, 2019

Activity at the Soufrière Hills Volcano remains low.

The seismic network recorded ten volcano-tectonic earthquakes this week. Six of these occurred in a brief swarm on 3 February.

Measurements of the SO2 flux were taken from the helicopter on 7 February. There were eight traverses with an average flux of 370 tonnes per day.

Pyroclastic flows can occur at any time without warning on any side of the volcano, including Gages from where they can travel rapidly into Plymouth. Tracks across the Belham Valley can be destroyed or heavily modified by flash flooding or lahars, and caution should be exercised crossing the valley during and after rainfall.

The Hazard Level is 1. There is no public access to Zone V, including Plymouth. Maritime Zones E and W are daytime transit only between sunrise and sunset (boats may sail through the zone but must not stop). Anyone who ignores these restrictions is liable to be prosecuted. Continue reading

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MONTSERRAT’S NATIONAL WEATHER FORECAST VALID UP TO 8 AM TUESDAY FEBRUARY 11TH, 2019

 

SYNOPSIS: Stable atmospheric conditions will dominate weather conditions over the Leewards and BVI during the next 24 hours; however there could be some brief locally cloudy periods due to shallow clouds embedded in a moderate wind flow

WEATHER TODAY: Partly sunny in general with a 20 percent or slight chance of light, brief shower.

WEATHER TONIGHT: Partly cloudy in general with a 20 percent or slight chance of light, brief shower

Winds: East-northeasterly at average speeds between 10 to 16knots or 19 to 30 km/h.

SEAS: 1.5 to 2.1 meters or 5 to 7 feet. Small craft operators should exercise caution against choppy seas in the waters east of the islands.

Sunset today: 6:11 pm. Sunrise tomorrow: 6:36 am.

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MONTSERRAT’S NATIONAL WEATHER FORECAST VALID UP TO 8 AM SATURDAY FEBRUARY 9TH, 2019

SYNOPSIS: A weak frontal trough is affecting the Leeward Islands and British virgin Islands. It will increase the chances for cloudiness and showers over the next twenty four hours. Possible rainfall total over the next twenty four hours is 10 mm or 0.4 inch.

WEATHER TODAY: Cloudy with a 60 percent or moderate chance of showers.

WEATHER TONIGHT: Cloudy with a 60 percent or moderate chance of showers.

WINDS: East at 9 to 19 km/h or 5 to 10 knots.

SEAS: 1.5 metres or 5 feet.

Sunset today: 6:09 pm. Sunrise tomorrow: 6:38 am.

TODAY’S TEMPS:

HIGH: 29 °C/ 84 °F

LOW: 19 °C/66 ° F Continue reading

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MONTSERRAT’S NATIONAL WEATHER FORECAST VALID UP TO 8 AM THURSDAY FEBRUARY 6TH, 2019

 

WEATHER: Light southerly wind is expected to prevail across the region today while low moisture levels will keep shower activities at a minimal across the area.

WEATHER TODAY: Partly cloudy with a 30 percent or low chance of showers.

WEATHER TONIGHT: Mostly fair.

WINDS: Southeast 9 to 19 km/h or 5 to 10 knots and becoming lighter and variable mainly overnight.

SEAS: 1 to 1.2 metres or 3 to 4 feet.

Sunset Today: 6:08 pm. Sunrise Tomorrow: 6:38 am.

TODAY’S TEMPS:

HIGH: 29 °C/ 84 °F

LOW: 21 °C/70 ° F Continue reading

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MONTSERRAT’S NATIONAL WEATHER FORECAST VALID UP TO 8 AM WEDNESDAY FEBRUARY 6TH, 2019

 

SYNOPSIS: As a weak low level trough moves slowly westwards and away from the islands, an atmosphere low in moisture will continue to inhibit significant shower activity over and around the Leewards today and tonight

WEATHER TODAY: Partly cloudy with a 40 percent or moderate chance of a light brief morning shower

WEATHER TONIGHT: Fair to partly cloudy with a 20 percent or slight chance of a brief overnight shower

WINDS: East-southeast with average speeds between 6 to 12 knots or 11 to 22 km/h with lighter spells overnight.

SEAS: 1.2 to 1.5 meters or 4 to 5 feet.

Sunset today: 6:08 pm. Sunrise tomorrow: 6:39 am.

TODAY’S TEMPS:

HIGH: 30 °C/ 86 °F

LOW: 23 °C/73 ° F Continue reading

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MONTSERRAT VOLCANO OBSERVATORY (MV0) WEEKLY REPORT JANUARY 25TH, 2019 TO FEBRUARY 1ST, 2019

 

Activity at the Soufrière Hills Volcano remains low.

The seismic network recorded four volcano-tectonic earthquakes this week.

Measurements of the SO2 flux were taken from the helicopter on 31 January. There were eight traverses with an average flux of 120 tonnes per day.

Pyroclastic flows can occur at any time without warning on any side of the volcano, including Gages from where they can travel rapidly into Plymouth. Tracks across the Belham Valley can be destroyed or heavily modified by flash flooding or lahars, and caution should be exercised crossing the valley during and after rainfall.

The Hazard Level is 1. There is no public access to Zone V, including Plymouth. Maritime Zones E and W are daytime transit only between sunrise and sunset (boats may sail through the zone but must not stop). Anyone who ignores these restrictions is liable to be prosecuted.

Continue reading

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MONTSERRAT’S NATIONAL WEATHER FORECAST VALID UP TO 8 AM TUESDAY FEBRUARY 5TH, 2019

SYNOPSIS: Two surface to low level troughs will move through the area over the next 24 hours. However, the second of the two troughs are expected to be a bit more active and will likely generate weak unstable conditions over and around the islands.

WEATHER TODAY: Partly sunny with a 20 percent or a slight chance of showers.

WEATHER TONIGHT: Partly cloudy with a 40 percent or a moderate chance of early morning showers

WINDS: Generally easterly with speeds ranging between 11 to 26 km/h or 6 to 14 knots. The wind could also become variable or calm at times.

SEAS: 0.9 to 1.5 metres or 3 to 5 feet.

Sunset Today: 6:07 pm. Sunrise Tomorrow: 6:39 am. Continue reading

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