430
AXPQ20 PGUM 112346
TWDPQ

Tropical Weather Discussion
National Weather Service Tiyan GU
946 AM ChST Wed Feb 12 2025

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...

TRADE-WIND DISTURBANCE...
A trade-wind disturbance is centered near 3N130E along the
westernmost extent of Guam`s Area of Responsibility (AOR). Moderate
to occasionally deep convection is associated with this feature, with
the convergence zone upstream producing scattered to numerous showers
and thunderstorms along the eastern peripheries interacting with the
trades. This feature is expected to exit the region in the afternoon,
disintegrating into a tropical wave buckling against the Philippines
by tonight.

TRADE-WIND TROUGHS...
Multiple trade-wind troughs are observed across the region, remaining
largely transient in nature. Most trade-wind troughs are concentrated
in two sectors. The first sector is a wide swath of eastern Yap
State, with multiple embedded troughs producing scattered to numerous
showers over Sorol, Eauripik, Satawal, and east to Weno, Chuuk. The
second sector is a region previously accompanied by a western portion
of the Intertropical Convergence Zone (ITCZ), that has broken down
to a series of trade-wind troughs producing patchy showers and
widespread cloudiness across much of Pohnpei State, including Pohnpei
and Kosrae Proper; a minor embedded disturbance is observed near
6N164E northeast of Kosrae.

OTHER SYSTEMS...

REMNANTS OF QUASI-STATIONARY FRONT...
Remnants of a fractured quasi-stationary front enter the region near
24N180, extending southwest to cross southeast of Wake Island and end
near 14N160E well northwest of Enewetak. Moderate convection is
associated with this feature, producing some showers and widespread
cloudiness within 150 miles of the frontal axis. This feature is
expected to disintegrate further over the next several days, as the
high pressure cell to the north pushes down fragments to be carried
by the trades.

...ITCZ...
The Intertropical Convergence Zone (ITCZ) enters the region near
5N180, extending west-southwest across the northernmost islands of
Kiribati to end well northeast of Nauru. A compact convective zone is
observed, producing widespread showers within 150 miles of the ITCZ.
This feature is expected to lift slightly to the northwest over the
next few days, shifting convection to the west and becoming much more
active during the weekend just near Kosrae, to then disintegrate by
the middle of next week.

$$

Montvila