National Weather Service United States Department of Commerce

Severe weather possible for parts of Plains on Wednesday

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Wednesday afternoon and evening across portions of the central Plains and mid-Missouri Valley, with a higher concentration of severe storms possible in parts of eastern Kansas and far southeast Nebraska. Large hail and damaging winds could occur with the stronger thunderstorms. A tornado or two will be possible as well.
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Last Update: 307 AM PDT WED OCT 1 2014

View Nearby Observations

Coastal Waters from Point Reyes to Pigeon Point out to 10 nm

Marine Zone Forecast





  • SynopsisHIGH PRESSURE WILL BUILD OVER THE GREAT BASIN RESULTING IN DECREASING NORTHWEST WINDS. A LONG PERIOD SOUTHWEST SWELL WILL ARRIVE LATE IN THE WEEK.
  • Today NW winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 6 to 8 ft at 10 seconds and SW 3 ft at 15 seconds.
  • Tonight NW winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 4 to 6 ft at 10 seconds.
  • Thu N winds 10 kt. Wind waves 2 ft or less. NW swell 3 to 5 ft at 8 seconds.
  • Thu Night NW winds 10 kt. Wind waves 2 ft or less. Mixed swell NW 2 to 4 ft at 8 seconds and SW 3 to 5 ft at 19 seconds.
  • Fri N winds 5 kt...becoming NW 5 to 15 kt. Wind waves 2 ft or less...becoming 3 ft. Mixed swell NW 2 to 3 ft at 8 seconds and SW 3 to 5 ft at 18 seconds.
  • Sat NW winds 5 to 15 kt. Wind waves 1 to 3 ft. Mixed swell NW 2 to 3 ft and SW 3 to 5 ft.
  • Sun W winds 10 kt. Wind waves 2 ft or less. Mixed swell NW 2 to 4 ft and SW 3 to 4 ft.

    .....san francisco bar/fourfathom bank forecast.....

    in the deep water channel...combined seas 5 to 7 feet with a dominant swell period of 10 seconds.

    across the bar...combined seas 6 to 8 feet with a dominant swell period of 10 seconds. Maximum ebb current of 1 knots at 10:16 am wednesday and 1.8 knots at 09:04 pm wednesday.




.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 5 TO 7 FEET WITH A DOMINANT SWELL PERIOD OF 10 SECONDS. ACROSS THE BAR...COMBINED SEAS 6 TO 8 FEET WITH A DOMINANT SWELL PERIOD OF 10 SECONDS. MAXIMUM EBB CURRENT OF 1 KNOTS AT 10:16 AM WEDNESDAY AND 1.8 KNOTS AT 09:04 PM WEDNESDAY.

Additional Forecasts and Information

Zone Area Forecast for Coastal Waters from Point Reyes to Pigeon Point out to 10 nm
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