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  2. Hazardous seas warning - Wikipedia

    en.wikipedia.org/wiki/Hazardous_seas_warning

    gale warning remains in effect until 2 am pdt saturday... the hazardous seas warning is now in effect until 5 am pdt sunday. a gale warning remains in effect until 2 am pdt saturday. a strong front moving through the waters today will bring south winds of 35 to 40 kt with occasional gusts near 50 kt to the area.

  3. Hazardous seas watch - Wikipedia

    en.wikipedia.org/wiki/Hazardous_seas_watch

    A Hazardous Seas Watch is issued by the National Weather Service of the United States when there is an increased threat of high wave heights and/or wave steepness values reach a certain criteria, but the occurrence, timing, and/or location are still uncertain, though the area of concern is known. The criteria are set by the local forecast offices.

  4. Severe weather terminology (United States) - Wikipedia

    en.wikipedia.org/wiki/Severe_weather_terminology...

    Hazardous materials warning HMW – Warns the public of the release of non-radioactive hazardous material (such as a flammable gas, toxic chemical, or biological agent) that may necessitate recommendations of evacuation (for an explosion, fire or oil spill hazard) or sheltering in place (for a toxic fume hazard).

  5. Gale warning - Wikipedia

    en.wikipedia.org/wiki/Gale_warning

    The National Weather Service issues a storm warning for higher winds of 48 knots (89 km/h; 55 mph) to 63 knots (117 km/h; 72 mph) at sea. In the event of a tropical cyclone, however, a tropical storm warning replaces both the gale warning and the storm warning. In this type of situation, the storm warning maritime flag is also used in lieu of ...

  6. Significant weather advisory - Wikipedia

    en.wikipedia.org/wiki/Significant_weather_advisory

    The stylistic product text for thunderstorm-based special weather statements was concurrently reformatted to follow the Impact Based Warning format used for severe convective warnings since 2012, adding and separating out key information about the threat(s), including the threat type/s, information source, and general impacts from the threat/s ...

  7. Special weather statement - Wikipedia

    en.wikipedia.org/wiki/Special_weather_statement

    Local Weather Forecast Offices (WFO) of the National Weather Service may issue a Special Weather Statement to alert of a specified hazard that is approaching or below warning or advisory criteria, that does not have a specific alert product code of their own (such as for widespread funnel clouds with limited to no threat of complete tornadogenesis, the likelihood of landspouts, or strong ...

  8. Hazardous weather outlook - Wikipedia

    en.wikipedia.org/wiki/Hazardous_Weather_Outlook

    In National Weather Service (NWS) terminology, a Hazardous Weather Outlook is a weather statement issued to provide information of potential severe weather events within the next seven days. The outlook may include information about potential severe thunderstorms , heavy rain or flooding , winter weather, extremes temperatures.

  9. Rip current statement - Wikipedia

    en.wikipedia.org/wiki/Rip_current_statement

    A rip current statement is a warning statement issued by the National Weather Service of the United States when there is a high threat of rip currents due to weather and ocean conditions. [ 1 ] The statement usually contains some detail about when and roughly where the rip currents are most likely to be forming.