textproduct: WSO Pago Pago

This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.

Discussion

The latest upper-air sounding continues to indicate a dry profile due to a ridge of high pressure. Although fair weather is evident on satellite, some instability is also present and is expected to increase slightly overnight as a mid-level trough moves in the area. This may lead to an uptick in showers through Wednesday night. However, the potential for flash flooding remains low, as rainfall is expected to be brief and passing.

Meanwhile, winds are forecast to trend toward a gentle east breeze through Wednesday, before increasing to around 10 to 20 mph for the remainder of the week. Additionally, temperatures in the 90s may cool slightly if showers develop through the day.

By Thursday, a mid-level ridge is expected to build over the area. This feature typically brings warmer temperatures, which could keep highs in the 90s. However, temperatures are expected to remain below heat advisory levels, as winds of 10 to 20 mph are likely to persist into the the new week.

PPG WATCHES/WARNINGS/ADVISORIES

None

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