Severe Thunderstorm Threat From the Central Plains to the Northeast; Extreme HeatRisk for the East Coast

Strong to severe thunderstorms are possible from the central Plains to the Northeast through this evening. Widespread damaging winds are the primary threat but hail and a tornado or two is also possible. Extremely dangerous heat continues across the Eastern U.S. Warm overnight low temperatures will provide little to no relief. Read More >

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FXZS60 NSTU 170055
AFDPPG

Area Forecast Discussion
National Weather Service Pago Pago AS
155 PM SST Tue Jul 16 2024

.Short term...
TONIGHT THROUGH THURSDAY NIGHT...High pressure to the southwest
will continue to hold gentle to breezy winds across the island
through Wednesday night. As the high pressure strengthens, trades
will increase to strong flow on Thursday and Thursday night. RAOB
from the afternoon depicts a stable and dry profile. Satellite
shows a low level convergence over the islands and will remain
through Wednesday night. Scattered showers will persist during the
short term.

.Long term...
FRIDAY THROUGH TUESDAY...Another high pressure will again increase
winds to strong flow on Sunday. Stable weather will persist
through the beginning of the new week. Models are now increasing
showers over the islands by midweek. Will continue to monitor this
development for the next few days.

&&

.Marine...
Seas of 6 to 8 feet will remain across the region tonight through
Wednesday night. As trades increase to breezy flow on Thursday,
seas will also build to rough conditions through Friday morning. A
ridge will move southwest of the islands and seas will subside 6
to 8 feet on Friday afternoon. Swells from the southwest and
breezy trades will again build seas to rough waters on Sunday
through the beginning of the new week.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
Small Craft Advisory remains in effect

&&

$$