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AXPQ20 PGUM 161847

TWDPQ 



Tropical Weather Discussion

National Weather Service Tiyan GU

447 AM ChST Wed Apr 17 2024



Tropical Weather Discussion for the Western North Pacific between

the Equator and 25N from 130E to 180. The following information is

based on recent satellite imagery/data, weather observations, radar,

and meteorological analysis.



...SPECIAL FEATURES...



None.



...OTHER WEATHER SYSTEMS...



NEAR EQUATORIAL TROUGH...

A Near-Equatorial Trough (NET) extends from 4N130E to a very weak

and small circulation located at 4N133E near Helen's Reef. This 

feature is not producing much in the way of convection.



TRADE-WIND TROUGHS...

A trio of surface troughs are located from central Yap state 

southward to the equator, and another trough near Pohnpei 

stretches to west of Kosrae and southward to the equator, A third 

weak surface trough is located west of the Marianas. All of these 

features show no change in surface wind speeds, just slight wind 

directional changes which allows for weak curvature in the 

streamlines, which is just enough to produce some spotty showers 

across Micronesia and very light showers that affected portions of

the Marianas yesterday.



TRADE-WIND SURGE...

The trade wind surge that we talked about between 10N and 25N from

160E to the Date Line has weakened due to a decreasing pressure

gradient.



...DISCUSSION...

There's really nothing to talk about as the El Nino drought holds

it's grip. Aside from a few locally moderate to heavy showers 

across mainly western Micronesia south of 10N, it's pretty quiet.

The models show this trend will hold through early next week as 

well.



$$



Doll