When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Weather Prediction Center - Wikipedia

    en.wikipedia.org/wiki/Weather_Prediction_Center

    The medium range forecast products include surface pressure patterns, circulation centers and fronts, daily maximum and minimum temperatures and anomalies, probability of precipitation in 12-hour increments, total 5-day precipitation accumulation for the next five days, and 500 hPa (mb) height forecasts for days 3–7. In addition, a narrative ...

  3. Quantitative precipitation forecast - Wikipedia

    en.wikipedia.org/wiki/Quantitative_precipitation...

    Within the United States, the Hydrometeorological Prediction Center, [20] River Forecast Centers, [1] and local forecast offices within the National Weather Service create precipitation forecasts for up to five days in the future, [21] forecasting amounts equal to or greater than 0.01 inches (0.25 mm). Starting in the mid-to-late 1990s, QPFs ...

  4. California bracing for more rain, mountain snow as 2 ... - AOL

    www.aol.com/weather/accuweather-meteorologists...

    AccuWeather meteorologists say that a storm from Sunday to Monday will end the brief reprieve from wet weather, spreading moderate rainfall across Northern and Central California with a resurgence ...

  5. Probability of precipitation - Wikipedia

    en.wikipedia.org/wiki/Probability_of_precipitation

    Environment Canada reports a chance of precipitation (COP) that is defined as "The chance that measurable precipitation (0.2 mm of rain or 0.2 cm of snow) will fall on any random point of the forecast region during the forecast period." [7] The values are rounded to 10% increments, but are never rounded to 50%. [8]

  6. Late-week storm to end California's dry stretch, bring ... - AOL

    www.aol.com/weather/week-storm-end-californias...

    In Downtown Los Angeles, 2023 packed roughly double the amount of rain typically received in a year. As of Dec. 29, 28.71 inches of rain has fallen versus the year-to-date historical average of 14 ...

  7. Weather forecasting - Wikipedia

    en.wikipedia.org/wiki/Weather_forecasting

    The world's first televised weather forecasts, including the use of weather maps, were experimentally broadcast by the BBC in November 1936. [31] This was brought into practice in 1949, after World War II. [31] George Cowling gave the first weather forecast while being televised in front of the map in 1954.

  8. California to stay drought-free through 2025 following 2 ...

    www.aol.com/weather/california-stay-drought-free...

    In the wake of a biblical blizzard that unloaded nearly 100 inches of snow on California, AccuWeather is making a major announcement: California will be free of widespread drought through at least ...

  9. Weather Underground (weather service) - Wikipedia

    en.wikipedia.org/wiki/Weather_Underground...

    The company is based in San Francisco, California and was founded in 1995 as an offshoot of the University of Michigan internet weather database. The name is a reference to the 1960s radical left-wing militant organization the Weather Underground , which also originated at the University of Michigan.