• Indian summer in Canada in December: Azure, Alberta +18,9°C

    Forecasted extremely high temperatures are here and southern Canada experiences with really warm winter period, with maximum temperatures almost +20°C / 68°F! Moreover, next anomalously warm days are in outlook not only in Canada /https://mkweather.com/2020/12/01/mini-indian-summer-in-canada-in-december-20c-68f//, but too in northern USA /https://mkweather.com/2020/12/04/northern-usa-with-december-indian-summer-too-next-week-20c-68f// during the first half of incoming week (until Wednesday/Thursday, ...
  • Record rainfall in Alaska: Dangerous floods and landslides - Next Triple-cyclone is coming from Pacific

    Alaskan coast is bothered by severe rain- and snowstorms in early winter 2020/2021. Firstly, extreme amounts of 48-hour precipitation dropped in southeastern coast of Alaska on 1. and 2. December 2020 - up to 9.75 inches / 248 mm (floodlist.com), then a monster cyclonic system is moving towards Alaskan coast, ...
  • 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, ...