textproduct: WSO Pago Pago

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Discussion

Latest satellite data shows convective clouds over the area as a weak trough develops at the boundary of the ridge of high pressure mentioned in yesterday's discussion. Current model trends have slightly weakened the high pressure, while enhancing shower activity due to the trough. The upper air sounding from this afternoon confirms an unstable and moist environment, which could lead to minor flooding with a slight chance for thunderstorm development. Expect these conditions to persist through Thursday before becoming widespread Thursday night as the trough deepens. Winds are expected to be light and variable through the forecast period.

Marine

Current wave heights have slightly elevated to 5 to 7 feet as north and south swells are observed at the PacIOOS buoys. However, seas remain fairly calm due to a gentle breeze. Calm ocean conditions is expected to hold through Thursday, then gradually build over the weekend as strong winds develop to the north of the territory.

PPG WATCHES/WARNINGS/ADVISORIES

None

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