Severe Thunderstorm Threat Increasing This Week from the High Plains to Gulf Coast

A storm system will move from the Rockies to the East Coast during the next several days bringing a severe thunderstorm threat to many parts of the nation. On Thursday, large hail will be the main threat in the High Plains. By Friday a more widespread threat will develop in the ArkLaTex region where damaging winds, very large hail and tornadoes will be possible.
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12NM N San Francisco CA

Marine Point Forecast

[NOTICE]
  • Overnight

    Mostly Clear

    WNW 9kt
  • Thursday

    Increasing Clouds

    Winds IncreasingSW 12kt
  • Thursday
    Night

    Chance Rain

    SSE 17kt
  • Friday

    Rain

    S 20kt
  • Friday
    Night

    Showers Likely

    SSW 11ktWinds Decreasing
  • Saturday

    Mostly Sunny

    Light Wind
  • Saturday
    Night

    Mostly Cloudy

    WNW 14ktWinds Decreasing
  • Sunday

    Chance Showers

    Winds IncreasingSW 6kt
  • Sunday
    Night

    Chance Showers

    Winds IncreasingSSW 8kt

Associated Zone Forecast which includes this point

Last Update: 2:39 pm PDT Mar 22, 2017
Forecast Valid: 2am PDT Mar 23, 2017-6pm PDT Mar 29, 2017

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Detailed Forecast


Synopsis: GREATER FARALLONES...AND CORDELL BANK NATIONAL MARINE SANCTUARIES...

HIGH PRESSURE OFF THE SOUTHERN CALIFORNIA COAST WILL WEAKEN TONIGHT RESULTING IN DECREASING NORTHWEST WINDS. THE WINDS WILL BECOME SOUTHERLY AND INCREASE ON THURSDAY A AHEAD OF THE NEXT SYSTEM. WINDS WILL INCREASE DURING THE DAY THURSDAY. WINDS WILL SWITCH TO THE NORTHWEST FRIDAY BUT ANOTHER SYSTEM MAY IMPACT THE WATERS ON SUNDAY.

Overnight
WNW wind around 9 kt. Mostly clear.
Thursday
Variable winds less than 5 kt becoming SW 7 to 12 kt in the afternoon. Increasing clouds.
Thursday Night
SSW wind 7 to 17 kt becoming SSE after midnight. A chance of rain, mainly after 11pm.
Friday
S wind 14 to 20 kt, with gusts as high as 27 kt. Rain.
Friday Night
SSW wind 6 to 11 kt becoming variable and less than 5 kt in the evening. Showers likely, mainly before 11pm.
Saturday
Variable winds 5 kt or less. Mostly sunny.
Saturday Night
WNW wind 9 to 14 kt becoming variable and less than 5 kt in the evening. Mostly cloudy.
Sunday
Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. A chance of showers.
Sunday Night
Variable winds less than 5 kt becoming SSW 5 to 8 kt after midnight. A chance of showers.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 37.97°N 122.46°W
Last Update: 2:39 pm PDT Mar 22, 2017
Forecast Valid: 2am PDT Mar 23, 2017-6pm PDT Mar 29, 2017
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