Deep Cold Trough Meets Gulf Moisture with Significant Impacts Across the Western and Central U.S.

A deep trough and associated cold front is bringing much below normal temperatures in the west, with low elevation snows. Strong winds and widespread snow, will impact the Great Basin, western mountains, and the Plains. The slowing front, will bring prolonged waves of heavy rain across the Mississippi Valley to the Great Lakes. Significant icing forecast north of the heavy rain. Big warm up east.
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Last Update: 635 AM SST Mon Feb 19 2018

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Pago Pago, American Samoa Local Forecast Office

Marine Zone Forecast

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Synopsis: PSZ100-200245- 635 AM SST Mon Feb 19 2018 .Synopsis for American Samoa coastal waters...An active surface trough centered up to 360 nm of Tutuila will move toward the Samoan Islands through Thursday. Expect light and variable winds up to 10 knots through Wednesday. $$

Today
Variable winds up to 10 kt. Seas 5 to 7 ft. Isolated showers.
Tonight Through Wednesday
Variable winds up to 10 kt. Seas 5 to 7 ft. Isolated showers.
Wednesday Night
Northeast winds 10 to 15 kt. Seas 6 to 8 ft. scattered showers.
Thursday Through Friday
North winds 15 to 20 kt. Seas building to 8 to 10 ft. Numerous showers. the next scheduled forecast will be issued at 300 pm sst. For the other forecasts and model data go to our web page http://www.prh.noaa.gov/samoa
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Last Update: 635 AM SST Mon Feb 19 2018
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