AFTERNOON TROPICAL OUTLOOK JUNE 5, 2018...0304 PM EDT

National Hurricane Center

...TROPICAL WAVES...

A low amplitude tropical wave axis is along 40W S of 12N moving 
west at 15-20 kt. Isolated moderate convection is noted where the
wave meets the ITCZ.

A tropical wave axis along 61W/62W S of 16N is moving west across
the eastern Caribbean at 15 kt. A surge of moisture associated 
with the wave is evident from TPW imagery. The Windward Islands
are currently reporting showers in the vicinity with the wave 
passage. The wave will cross S of Puerto Rico today, and will 
reach Hispaniola on Wed. Convection will be limited with the wave
passage due to the presence of African dust over the NE Caribbean.
A recent scatterometer pass indicates the wind shift related to 
the wave axis.

A tropical wave axis along 86W S of 20N is moving westward at 15 
kt across the NW Caribbean and Central America. Abundant moisture
is related to the wave based on TPW animation. The wave is
generating scattered showers and isolated tstms over parts of
northern Central America and the NW Caribbean. Moisture from this
wave will spread across the Yucatan Peninsula late today.

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There are no signs of tropical cyclone formation at this time...rtw

ralphstropicalweather.com 

TROPICAL OUTLOOK JUNE 5, 2018...0923 AM EDT

National Hurricane Center

...TROPICAL WAVES...

A tropical wave axis is along 38W/39W S of 13N in the eastern 
Atlantic, moving west at 15 kt. TPW imagery depicts abundant 
moisture in the wave environment south of 10N. Isolated moderate 
convection is noted where the wave meets the ITCZ.

A tropical wave axis along 60W/61W S of 14N is moving west into 
the eastern Caribbean at 10-15 kt. A surge of moisture associated 
with the wave is evident from TPW imagery. Scattered moderate 
convection is east of the wave near the coast of South America. 
The passage of the wave will bring some shower activity across 
Windward Islands today.

A tropical wave axis along 85W S of 18N is moving westward at 10-
15 kt across Central America. Abundant moisture is related to the
wave based on TPW animation. A cluster of moderate to strong
convection persists over the SW Caribbean in the wake of the wave
axis. The wave is also inducing a cluster of moderate to isolated
strong convection in the eastern Pacific S of Panama. Showers 
from this wave will spread across the Central America today, and 
reach the Yucatan Peninsula tonight.

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There are no signs of tropical cyclone formation at this time...RTW

I continue to monitor the Northwest Caribbean into next week. Although
high pressure seems in control at this time and may be in control next
week the GFS continues to insist on some development in this region
of the Caribbean. GFS was the only one insisting on Alberto when other
models were not picking up on Alberto's development, so I don't want
ignore this model...RTW

ralphstropicalweather.com