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AXPQ20 PGUM 132045

TWDPQ 



Tropical Weather Discussion

National Weather Service Tiyan GU

645 AM ChST Sun Apr 14 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 3N130E to EQ145E. An 

embedded weak circulation south of Palau near 3N136E. Pockets of

moderate convection within and north of the NET is present south

and east of Palau and south of Yap.



TRADE-WIND SURGE...

The trade-wind surge still persists from 14N160E to 25N160E to

26N175E to 15N175E. 



TRADE CONVERGENCE/ITCZ

A region of trade convergence/ITCZ extends from north of Weno

eastward to Kwajalein and past the Date Line around 12N. Pockets

of moderate convection persist along the convergence.



...DISCUSSION...

The trade convergence along the northern periphery of the NET across

Western Micronesia has produced moderate convection just east of 

Palau and just south of Yap proper. This region will slowly move 

westward into Palau bringing scattered showers and isolated 

thunderstorms this weekend into early next week. The NET across 

Eastern Micronesia is mainly devoid of convection north of the 

equator with the bulk of the convection lying south of the 

equator. 



The trade-wind surge has generally weakened since the previous

discussions. ASCAT data shows winds are generally in the moderate

to fresh breeze range with a few isolated areas of strong breeze.

This is below the large region of near gale-force winds that was

observed on the ASCAT from 24 hours ago. 



The region of trade convergence/ITCZ has shifted northward and

weakened since yesterday. Convection has remained mainly shallow

across Eastern Micronesia. Scattered showers still persist within

the trade convergence. The trade convergence will remain with

pockets of moderate convection, then drift south late week as 

trade winds strengthen to its north.



$$



Williams/Slagle