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  2. Philadelphia, PA Weather - Hourly Forecasts and Local Weather ...

    www.aol.com/weather/forecast/us/philadelphia...

    Today's top weather news for Friday, Jan. 3, 2025: America's first high-impact winter storm of the new year is expected to bring over a 1,500-mile swath of hazardous snow and i… AccuWeather 6 ...

  3. Philadelphia, PA Weather - Hourly Forecasts and Local ... - AOL

    www.aol.com/weather/forecast/us/pa/philadelphia

    Get the Philadelphia, PA local weather forecast by the hour and the next 10 days.

  4. List of National Weather Service Weather Forecast Offices

    en.wikipedia.org/wiki/List_of_National_Weather...

    The National Weather Service operates 122 weather forecast offices. [1] [2] Each weather forecast office (WFO or NWSFO) has a geographic area of responsibility, also known as a county warning area, for issuing local public, marine, aviation, fire, and hydrology forecasts. They also issue severe weather warnings, gather weather observations, and ...

  5. List of Storm Prediction Center high risk days - Wikipedia

    en.wikipedia.org/wiki/List_of_Storm_Prediction...

    A high risk severe weather event is the greatest threat level issued by the Storm Prediction Center (SPC) for convective weather events in the United States. On the scale from one to five, a high risk is a level five; thus, high risks are issued only when forecasters at the SPC are confident of a major severe weather outbreak.

  6. National Weather Service Pittsburgh, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/National_Weather_Service...

    The Pittsburgh Weather Forecast Office (WFO) is located near Pittsburgh International Airport in Moon Township, Pennsylvania. On November 10, 2020, the National Weather Service Baltimore/Washington assumed responsibility for Garrett County, Maryland from than the National Weather Service Pittsburgh. [1]

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  8. Weather forecasting - Wikipedia

    en.wikipedia.org/wiki/Weather_forecasting

    The simplest method of forecasting the weather, persistence, relies upon today's conditions to forecast tomorrow's. This can be valid when the weather achieves a steady state, such as during the summer season in the tropics. This method strongly depends upon the presence of a stagnant weather pattern.

  9. NBC Universal 1 hour ago Arctic blast brings widespread snow, frigid temperatures across U.S., with 175 million under cold weather alerts. Over 175 million people across the country are under some form of cold weather alert as the mid-Atlantic and Northeast ready for another round of rain and snow and southern sta…