A pair of disturbances in the Western Pacific, but no significant threats for development

Two tropical depressions are being tracked by the Naval Research Lab — Invests 98W and 99W.  Neither disturbance is featured in JTWC’s outlook.

98W, a weak circulation east of Ho Chi Minh City, shows a slight chance at developing over the next few days.  Dynamic models suggest it will follow a track similar to the tropical depression late last week.  Significant development is not expected and the main threat remains increased rainfall along Vietnam, Laos, and Cambodia.

99W, on the other hand, is a vigorous tropical wave embedded in the ITCZ and moving quickly toward the west.  The wave is currently SE of Chuuk and SW of Pohnpei and near-term development is not expected until the wave can slow down and/or detach itself from the ITCZ.  Dynamic models suggest this is unlikely.

[youtube_sc url=”http://www.youtube.com/watch?v=GDPJ47SZLoA”%5D

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