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  2. Storm Prediction Center - Wikipedia

    en.wikipedia.org/wiki/Storm_Prediction_Center

    The Storm Prediction Center issues convective outlooks (AC), consisting of categorical and probabilistic forecasts describing the general threat of severe convective storms over the contiguous United States for the next six to 192 hours (Day 1 through Day 8). These outlooks are labeled and issued by day, and are issued up to five times per day.

  3. Severe weather terminology (United States) - Wikipedia

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

    The Storm Prediction Center (SPC) issues Day 1, Day 2, and Day 3 Convective Outlooks depicting forecast areas of general (non-severe) and severe thunderstorm threats across the contiguous United States, along with a text narrative discussion consisting of a plain-language summary of the threat type(s) and timing focused on areas of highest risk ...

  4. National Severe Storms Laboratory - Wikipedia

    en.wikipedia.org/wiki/National_Severe_Storms...

    The Lab also works closely with the Storm Prediction Center (SPC) and the National Weather Service Norman Forecast Office, which are co-located at the National Weather Center (NWC) in Norman, Oklahoma. [2] The NWC houses a combination of University of Oklahoma, NOAA and state organizations that work in collaboration.

  5. Northern Lights visible in rare, widespread show from NYC to ...

    www.aol.com/news/northern-lights-visible-rare...

    NOAA’s Storm Prediction Center said there was a Level 4 "Severe" Geomagnetic Storm on Thursday night. This storm's intensity was a level less than the one that caused widespread auroras on May 10.

  6. Forecasters issue rare 'high risk' warning for severe weather ...

    www.aol.com/weather/forecasters-issue-rare-high...

    A high risk of severe weather is a level 5 on the Storm Prediction Center's 0-5 scale. Monday is the first time in over a year the Storm Prediction Center has issued a high risk warning for severe ...

  7. Severe thunderstorm watch - Wikipedia

    en.wikipedia.org/wiki/Severe_thunderstorm_watch

    The Storm Prediction Center, in conjunction with local NWS Weather Forecast Offices, issues component watch products to communicate the approximate area, primary hazards and other pertinent information about the severe thunderstorm watch to the public, NOAA meteorologists, emergency management and aviation personnel. The graphical and text ...

  8. Tornado outbreak sequence of May 19–27, 2024 - Wikipedia

    en.wikipedia.org/wiki/Tornado_outbreak_sequence...

    Mosaic radar loop of the supercell that produced a mile-wide EF2 tornado near Custer City on May 19. On May 19, the Storm Prediction Center (SPC) outlined a level 4/Moderate risk of severe weather across southwest to central Kansas, encompassed by a level 3/Enhanced risk that extended into northwestern Oklahoma as well.

  9. Early-March 2023 North American storm complex - Wikipedia

    en.wikipedia.org/wiki/Early-March_2023_North...

    An intense low-pressure system produced widespread impacts across the United States in early March 2023. Additionally, an outbreak of 35 tornadoes affected 12 states from the Southern United States to the Great Lakes. In all, the storm system killed 13 people due to flooding and strong winds. At least 17 other people were injured.