National Weather Service United States Department of Commerce

Chance of severe thunderstorms in the Plains on Friday

Scattered strong to severe storms will be possible from northeast Colorado and northwest Kansas into Nebraska Friday afternoon and evening, then overnight across portions of the central and northern Plains. Large hail and strong wind gusts will be the primary threats, although a tornado cannot be ruled out.
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Last Update: 557 PM PDT THU AUG 21 2014

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Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm

Marine Zone Forecast





  • SynopsisLIGHT TO MODERATE WINDS CONTINUE ACROSS THE COASTAL WATERS AS HIGH PRESSURE RIDGES IN FROM THE WEST AND LOW PRESSURE REMAINS ACROSS THE INTERIOR. NORTHERLY CONDITIONS WILL INCREASE OVER THE WEEKEND AS LOW PRESSURE TO THE EAST INTENSIFIES CAUSING A TIGHTENING PRESSURE GRADIENT OVER THE WATERS. SOUTHERLY WAVES WILL BUILD ON FRIDAY AS A RESULT OF TROPICAL SYSTEM LOWELL TO THE SOUTH. CONDITIONS ARE EXPECTED TO EASE BY THE MIDDLE OF NEXT WEEK.
  • Tonight NW winds 10 to 15 kt. Waves NW 5 ft at 11 seconds.
  • Fri N winds 10 to 20 kt. Waves NW 6 ft at 7 seconds...and S 3 ft at 15 seconds.
  • Fri Night N winds 20 to 25 kt. Gusts up to 35 kt. Waves NW 9 ft at 8 seconds...and S 3 ft at 16 seconds.
  • Sat N winds 20 to 25 kt with gusts to 30 kt. Waves NW 10 ft at 8 seconds...and S 4 ft at 15 seconds.
  • Sat Night N winds 20 to 25 kt with gusts to 30 kt. Waves NW 10 ft at 9 seconds...and S 4 ft at 14 seconds.
  • Sun N winds 15 to 25 kt. Waves N 9 ft at 9 seconds...and S 4 ft at 14 seconds.
  • Mon N winds 20 to 25 kt with gusts to 30 kt...easing to 10 to 20 kt. Waves N 8 ft at 8 seconds...and S 4 ft at 15 seconds.
  • Tue N winds 10 to 20 kt. Waves NW 6 ft at 8 seconds...and S 3 ft at 14 seconds.



Additional Forecasts and Information

Zone Area Forecast for Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm
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