• January 2021 forecast for the USA from NOAA

    NOAA and Weather Nation traditionally updated forecast for next month - January 2021 /https://www.weathernationtv.com/news/january-2021-outlook-another-warm-month-expected/. Mkweather already updated a forecast for January 2021 for the world, too /https://mkweather.com/2020/12/22/january-2021-forecast-for-the-world-from-ecmwf// and therefore, we should compare both forecasts for the USA territory. While ECMWF forecasts are very warm for large parts of the USA, ...
  • January 2021 forecast for the World from ECMWF

    There are already available detailed outputs of air pressure, temperature and precipitation within ECMWF forecasts for January 2021 for the World /https://www.ecmwf.int/en/forecasts/charts/ and too outputs of circulation regimes (for January and the first half of the year 2021) and tropical storms activity (until 17. January and the first half of ...
  • California with winter wildfires, still warm and windy

    On Friday, 4. December 2020, Los Angeles has reported +23°C / 73.4°F and sunny weather - on the sun, temperatures afternoon reached more than +30°C - suitable conditions for induction of wildfires near dry Santa Ana winds. In warmer parts of California, temperatures reached summer +27°C / 80.6°F late last ...
  • Northern USA with December Indian summer too, next week +20°C / 68°F

    Already on Tuesday, 1. December we wrote about expected anomalously warm conditions in Canada during early Winter 2020/2021 /https://mkweather.com/2020/12/01/mini-indian-summer-in-canada-in-december-20c-68f//, linked with combination of circulation patterns La nina, AO-, NAO- and PNA+ /https://mkweather.com/2020/11/27/ao-pattern-in-outlook-southern-usa-with-winter-canada-mini-indian-summer//, which cause colder conditions across the USA during these days and extremely warm weather in Canada. Although in ...
  • Updated forecast for December 2020 for the USA from NOAA

    NOAA updated a forecast for December 2020 for the USA and we should compare it with the last outputs /https://mkweather.com/2020/11/21/noaa-december-2020-outlook-for-the-usa//. Patterns are relatively similar, than in outlook from November, but with more precipitation in Northeast, less precipitation in Northwest and more precipitation in Florida, southeastern states and Mid- Atlantic. Thanks ...
  • AO - pattern in outlook: Southern USA with winter, Canada mini-Indian summer

    In November 2020, AO+ phase was persisting, with very cold patterns in Canada, but warm weather across the USA, in general, minimally until 15.11., or regionally 20.11., when circulation has started to change. During these days, next AO- / NAO- phase is here, with peak at the beginning of December ...
  • TOP 20 La nina winter precipitation patterns since 1950 in the USA / NOAA

    NOAA has published a report with maps of Winter precipitation patterns during 20 strongest La nina events since 1950. We should compare these outputs with an average behavior of La nina in the USA. In the most cases, very rainy / snowy Northwest has appeared with ratio 13:7 (wet:dry). Too, ...
  • November 2020 outlook for the USA

    NOAA and Weather Nation has published an analysis of expected weather conditions in the USA in November 2020. Main message of monthly forecast was, that incoming weather patterns in the USA will be very similar than usual behavior of circulation during La-nina phases. During La-nina phases, wet conditions appear above ...