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: 900 PM PDT THU AUG 21 2014

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Coastal waters from Cape Mendocino to Pt. Arena CA out 10 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 N winds 5 to 10 kt. Waves NW 4 ft at 7 seconds...and S 3 ft at 13 seconds. Patchy drizzle.
  • Fri NW winds 10 to 20 kt. Waves NW 6 ft at 7 seconds...and S 3 ft at 14 seconds. Patchy drizzle.
  • Fri Night N winds 10 to 20 kt. Waves NW 8 ft at 9 seconds... And S 3 ft at 14 seconds. Patchy fog.
  • Sat NW winds 5 to 10 kt. Waves NW 7 ft at 9 seconds...and S 4 ft at 14 seconds.
  • Sat Night NW winds 5 to 10 kt. Waves NW 6 ft at 9 seconds... And S 4 ft at 14 seconds.
  • Sun NW winds 5 to 10 kt. Waves NW 6 ft at 9 seconds...and S 4 ft at 13 seconds.
  • Mon NW winds 5 to 15 kt. Waves NW 5 ft at 8 seconds...and S 4 ft at 13 seconds.
  • Tue NW winds up to 5 kt. Waves NW 4 ft at 8 seconds...and S 3 ft at 14 seconds.



Additional Forecasts and Information

Zone Area Forecast for Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm
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