December 10, 2018

21 Sep Weather in Cayman & Tropical Report, 4 Dist

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21 Sep Fri 2018

Tropical Report

 

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
Issued by the NWS Weather Prediction Center College Park MD
800 AM EDT Fri Sep 21 2018

For the North Atlantic…Caribbean Sea and the Gulf of Mexico:

1. Showers and thunderstorms associated with a tropical wave located
about 600 miles southeast of the Cabo Verde Islands are showing some
signs of organization. The environment is forecast to be conducive
for slow development, and a tropical depression could form early
next week while the system moves westward at 15 to 20 mph across the
low latitudes of the eastern and central tropical Atlantic Ocean.
* Formation chance through 48 hours…low…20 percent.
* Formation chance through 5 days…medium…60 percent.

2. A weak low pressure area located about 600 miles east of the
Windward Islands is producing disorganized showers and
thunderstorms. The combination of dry mid-level air and strong
upper-level winds is expected to hinder any further development of
this low while it moves west-northwestward at around 10 mph.
* Formation chance through 48 hours…low…10 percent.
* Formation chance through 5 days…low…10 percent.

3. A broad area of low pressure located just southeast of Bermuda is
producing minimal shower activity while it moves southward at 10 to
15 mph. Although a combination of dry air and strong upper-level
winds is expected to inhibit any significant development over the
next few days, the environment could become conducive for slow
development when the system moves over the southwest Atlantic Ocean
during the middle part of next week.
* Formation chance through 48 hours…low…near 0 percent.
* Formation chance through 5 days…low…20 percent.

4. A non-tropical low pressure system is forecast to develop tonight
over the central subtropical Atlantic Ocean midway between Bermuda
and the Azores. Conditions are expected to be conducive for the low
to acquire subtropical or tropical characteristics, and a
subtropical or tropical cyclone is expected to form late this
weekend or early next week while the low meanders over the central
Atlantic Ocean.
* Formation chance through 48 hours…low…10 percent.
* Formation chance through 5 days…high…70 percent.

Forecaster Campbell/Blake

 

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Fri Sep 21 2018

For the eastern North Pacific…east of 140 degrees west longitude:

1. A weak area of low pressure located about 1100 miles west-southwest
of the southern tip of the Baja California peninsula continues to
produce disorganized shower activity. Strong upper-level winds
should make development less likely while the system moves west-
northwestward at 10 mph.
* Formation chance through 48 hours…low…10 percent.
* Formation chance through 5 days…low…10 percent.

2. An area of low pressure is expected to form in a couple of days well
to the south of the southern coast of Mexico. Some slow development
is possible early next week while the system moves nearly parallel
and well offshore of the southwestern coast of Mexico.
* Formation chance through 48 hours…low…near 0 percent.
* Formation chance through 5 days…medium…40 percent.

Forecaster Cangialosi

 

Global Tropics & Benefits Outlook

Weather in Cayman

SYNOPSIS

Isolated showers are expected over the Cayman area for the next 24 hours in association with a trough over the western Caribbean. Radar images show few isolated showers in and around the Cayman area moving towards the west.

 

 

Humidity: 76%  (DOWN from yesterday)

UV: 13.2   EXTREME  (UP from yesterday)

Temperature: Today’s current temperature –   See weather forecast top right of website.  Yesterday: H 90.0°F  L 81.2°F

Wind direction TODAY: E 10-20 mph

Wind direction TONIGHT: ENE 10-15 mph

Barometer: 1014.70 mb Steady  Rain:   Last month: 1.83 in    Last 24 hrs 0.00  This month:  12.12 in  1 day since rain  11 rain days in September

2017 Season Total:  62.94 in      2018 : 36.13 in

Average Yearly Rainfall 56.20 in (Note: National Weather Service 2017 – measured at Owen Roberts Airport GT – was 59.32 in)

All readings are from SOUTH SOUND.

Average rainfall in September 8.2 in.  Average temperature in September: 77°F to 90°F

in September 84°F

 

MOON:

88%  Waxing Gibbous

 

 

 

TIDES, SUNRISE, SUNSET, MOON RISE, MOON SET AND MOON PHASE

GRAND CAYMAN SEPTEMBER 2018 – Click to enlarge

LOCAL 5 DAY FORECAST

Moon info and graphic:

https://www.timeanddate.com/moon/uk/georgetown

Atlantic satellite image: http://www.intellicast.com/global/satellite/infrared.aspx?region=hiatlsat

Description:
The Global Infrared Satellite image shows clouds by their temperature. Red and blue areas indicate cold (high) cloud tops. Infrared (IR) radiation is electromagnetic radiation whose wavelength is longer than that of visible light, but shorter than that of terahertz radiation and microwaves. Weather satellites equipped with scanning radiometers produce thermal or infrared images which can then enable a trained analyst to determine cloud heights and types, to calculate land and surface water temperatures, and to locate ocean surface features.

Tropical storm data and graphics from National Hurricane Center at: https://www.nhc.noaa.gov/

Weathernerds: https://www.weathernerds.org/

Mikes Weather Page: http://www.spaghettimodels.com/

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