National Weather Service United States Department of Commerce

Threat of flash flooding continues on Sunday for Southern Plains and Inter-Mountain West

High levels of moisture still remain in portions of the Southern Plains and Inter-Mountain West on Sunday. This will continue the threat of locally heavy rainfall for one more day. Isolated locations could receive 1-2 inches of additional rainfall on Sunday. The areal coverage of these storms should be less than previous days.
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Last Update: 815 AM PDT SUN SEP 21 2014

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Northern Inland Waters Including The San Juan Islands

Marine Zone Forecast





  • SynopsisA THERMALLY INDUCED TROUGH OF LOW PRES OVER THE INLAND WATERS WILL MOVE EAST OF THE CASCADES TODAY. A WEAK FRONT WILL MOVE INTO THE COASTAL WATERS AND DISSIPATE MON. A STRONGER FRONTAL SYSTEM WILL ARRIVE TUE AND WED.
  • Today SE wind 5 to 15 kt. Wind waves 2 ft or less.
  • Tonight S wind 5 to 15 kt. Wind waves 2 ft or less.
  • Mon S wind 5 to 15 kt. Wind waves 2 ft or less. A chance of showers in the afternoon.
  • Mon Night E wind to 10 kt. Wind waves 1 ft or less.
  • Tue SE wind 5 to 15 kt. Wind waves 2 ft or less.
  • Tue Night SE wind 15 to 25 kt. Wind waves 2 to 4 ft.
  • Wed SE wind 5 to 15 kt. Wind waves 2 ft or less.
  • Thu SE wind 5 to 15 kt...becoming S to 10 kt. Wind waves 2 ft or less.



Additional Forecasts and Information

Zone Area Forecast for Northern Inland Waters Including The San Juan Islands
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