5 Oct Mon 2020

TROPICAL REPORT

ATLANTIC Tropical Weather Outlook

Atlantic – Caribbean Sea – Gulf of Mexico

Tropical Weather Outlook (en Español*) 
800 AM EDT Mon Oct 5 2020

TROPICAL DEPRESSION STRENGTHENS INTO A TROPICAL STORM DELTA… …ADDITIONAL STRENGTHENING LIKELY OVER THE NEXT FEW DAYS

AIR FORCE RESERVE RECONNAISSANCE FINDS GAMMA WEAKER… …FURTHER WEAKENING EXPECTED

Eastern North Pacific (East of 140°W)

Tropical Weather Outlook (en Español*) 
800 AM EDT Mon Oct 5 2020

MARIE EXPECTED TO DEGENERATE INTO A REMNANT LOW BY WEDNESDAY

CLIMATE PREDICTION

Weather in Cayman

SYNOPSIS

CAYMAN ISLANDS UNDER A TROPICAL STORM WARNING

Today:

Partly cloudy skies with a 30% chance of showers this morning becoming cloudy to overcast by late afternoon, with a 70% chance of widely scattered showers and thunder. Showers may become locally heavy at times from this evening. Flooding in low lying areas is expected from this evening. 2 to 4 inches of rainfall are expected for the Cayman Islands

Winds are expected to be from the east to northeast at 10 to 15 knots with higher gusts for Grand Cayman, and from the east to northeast 15 to 20 knots with higher gusts for the Sister Islands this morning. This will become northeast 15 to 20 knots with higher gusts for Grand Cayman and east to southeast 20 to 25 knots with higher gusts for Sister Islands by evening.

Seas are expected to be moderate to rough with wave heights of 3 to 5 feet this morning, increasing to 5 to 7 feet by this evening over Grand Cayman. For the Sister Islands seas are expected rough with wave heights of 4 to 6 feet this morning increasing to 6 to 8 feet by this evening. All craft should seek and remain in safe harbour from this afternoon until further notice.

Tonight:

Cloudy to overcast skies with a 80% chance of showers and thunder from early this evening, will become overcast with heavy showers and thunder from midnight. Showers may become extremely intense. Flooding of low lying areas will continue.

2 to 4 inches of rainfall are expected over Grand Cayman. 1 to 2 inches of rainfall are expected over the Sister Islands.

Winds over Grand Cayman are expected to be east to northeast 15 to 20 knots this evening increasing to 30 to 40 knots by midnight and veering to the southeast at 30 to 40 knots with higher gusts by early morning.

Sister Islands can expect winds east to southeast at 20 to 25 knots with higher gusts this evening, increasing and veering to the southeast at 25 to 30 knots, with higher gusts by early morning.

Seas for Grand Cayman are expected to be rough with wave heights of 5 to 7 feet this evening increasing to 10 to 15 feet or higher by midnight.

Seas for the Sister Islands are expected to be rough with heights of 6 to 8 feet increasing to 10 to 12 feet by midnight. All craft should remain in safe harbour until further notice.

Tropical Storm winds for Grand Cayman start 1 am Tuesday morning October 6th, 2020.

Forecast for Tuesday October 6th, 2020:

Closest point of approach for Grand Cayman 15 miles SW at 4am Tuesday October 6th 2020

Overcast skies with heavy showers and thunder are expected Tuesday morning, becoming cloudy skies with a 60% showers and thunder from late Tuesday afternoon. Showers may become extremely intense. Flooding in low lying areas will continue.

2 to 4 inches of rainfall are expected over Grand Cayman. 1 to 2 inches of rainfall are expected over the Sister Islands.

Winds over Grand Cayman can expected southeast 30 to 40 knots with higher gusts in the morning, decreasing and veering to the south to southeast at 15 to 20 knots by evening. Sister Islands can expect southeast 25 to 30 knots with higher gusts in the morning decreasing 15 to 20 knots by evening.

Seas for Grand Cayman are expected to be rough, with wave heights of 10 to 12 feet or higher in the morning decreasing to 5 to 7 feet by evening. Seas for the Sister Islands are expected to be rough with wave heights of 9 to 12 feet in the morning decreasing to 5 to 7 feet in the evening.

All craft should remain in safe harbour until further notice.

All Clear for the Cayman Islands expected around 9am Tuesday October 2020 with the departure of Tropical Storm force winds.

Humidity: 87% (DOWN from yesterday)
UV: 10.8 VERY HIGH (DOWN from yesterday)
Temperature: Today’s expected temperatures – 78° to 87°F. Yesterday: H 88.5°F L 77.9°F 
Winds: E 10-20 mph Tonight: ENE 10-20 mph, increasing to 35 to 65 mph.
Barometer: 1008.00mb Steady
Rain: Last month: 4.58 in
Last 24 hrs (since yesterday’s reading) 0.20 in
This month: 4.74 in
0 days since rain, 5 rain days in Oct
2019 Season Total: 31.27 in
2020 Season Total: 57.74 in
Latest rainfall readings are from NORTH SOUND.
Average rainfall in Oct 9.2 in.
Average temperature in Oct: 77°F to 88°F
Sea Temperature in Oct: 84°F

MOON: 89% illumination

Tides, Moonrise, Moonset, and Moon Phases, OCT 2020

LOCAL 5 DAY FORECAST

See: http://www.weather.gov.ky/portal/page?_pageid=4421,7428393&_dad=portal&_schema=PORTAL
FOR RADAR IMAGE GO TO: http://www.weather.gov.ky/portal/page/portal/nwshome/forecasthome/radar
Also see Weather In Cayman: http://www.weatherincayman.com/
Moon info and graphic: https://www.timeanddate.com/moon/uk/georgetown

Tropical storm data and graphics from National Hurricane Center at: https://www.nhc.noaa.gov/
Weathernerds: http:// https://www.weathernerds.org/
Mikes Weather Page: http://www.spaghettimodels.com