Rick Thoman

@AlaskaWx

Climate specialist with ACCAP at UAF, highlighting Alaska climate, environment & Indigenous cultures. Opinions my own, zero tolerance for nastiness or trolls.

Vrijeme pridruživanja: kolovoz 2016.

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  1. prije 22 sata

    Preliminary January 2020 ocean surface temperature departures from normal from data. Parts of the Gulf of Alaska remain warmer than normal by as notes less so than recent months. Beyond the ice edge, Bering Sea mostly close to normal.

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  2. proslijedio/la je Tweet
    3. velj

    January was a persistently cold month across nearly all of Alaska, though only a few records were set. Much of mainland Alaska was the coldest January since 2012 but Panhandle was coldest since 2004. Lots of snow some near-coastal areas.

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  3. 3. velj

    73 years ago today Snag, YT set North America's all-time record low temperature at -81F (-62.7C). The same day, Tats'áltęy (Tanacross) reported a low temperature of -75F (-59.4C). This still stands as the lowest temperature in Alaska in February.

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  4. 2. velj

    Kodiak saw the 5th coldest January in more than a century of records: average temperature was 21.9F (-5.6C). This is 8.6F (4.8C) below 1981-2010 normal. January in the 21st century has seen big swings, with 3 of the coldest and 2 of the warmest.

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  5. 2. velj

    There it is: for the first time since Feb 2012, Utqiaġvik Airport reports a low temperature of -40F/C or lower. Prior to 2000, only three of previous 80 winters failed to reach -40F/C. Since then, 11 winters have not been that cold.

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  6. 2. velj

    95 years of monthly for Alaska based on temperature analysis. Even through the monthly variability, it's obvious that red colors (above 20th century average) are right-side loaded.

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  7. 2. velj

    Bering Sea extent up to about 87% of 1981-2010 average for the start of February in data. Stormier weather pattern already underway for the region. This is likely to slow growth & modify ice distribution in the coming week.

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  8. 2. velj

    The January average temperature at Bethel of -5.5F (-20.8C) was 12.1F (6.7C) below 1981-2010 normal but not low enough to break into the top ten coldest. There is no trend at all for January temps at Bethel past 95 years.

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  9. 2. velj

    Average extent in the Bering Sea for January from data was a bit lower than 2019 and only 81% of the 1981-2010 average. Weather was favorable for ice: a late start to ice-up & above average slowed ice growth.

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  10. 1. velj

    A zombie of Alaska climate is that temperatures at Fairbanks Airport are (much) higher in winter than surrounding areas. Often true before 1998, but with the ASOS located much closer to the Tanana River than previous FAI thermometers, no more.

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  11. 1. velj

    Fairbanks January factiods: highest temperature was +4F (-15.6C). By 1ºF that's the lowest January high on record. Also, 47ºF range between high & low for the month, +4F to -43F, is the smallest January temp range. Previous lowest 48F in 1985 (38F to -10F).

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  12. 1. velj

    Preliminary Alaska January 2020 temperature departures from 1981-2010 normal. For much of the mainland this was coldest January since 2012. Panhandle generally coldest since 2004. No long-term climate station was even close to record coldest.

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    1. velj

    Strong anomalies this past month across ! Around 5°C warmer than normal for much of Northern Ontario and the Hudson Bay shores, but nearly 6°C colder than normal in Yukon!

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  14. 1. velj

    Chicken (the cooperative site) finishes January with an average temperature of -30.4F (-34.7C), which is 9.5F (5.3C) below normal. Both Jan 2004 and 2012 were colder. This is the lowest average temperature for any reporting site in Alaska in January.

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  15. 31. sij

    Umiat, on the middle Colville River south of Nuiqsut, has the lowest average winter temperature of any climate station in Alaska (1981-2010 DJF average of -19.3F, -28.5C). Thus far, the 2019-20 winter has been only slightly cooler (3F) than average.

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  16. 30. sij

    Haines Highway Customs Station received another two feet of snow the past two days. Total snowfall for January 23-29 of 81.3" (206.5cm) is 2nd highest 7-day total in 31 years of climate obs. Only higher is 86" (218.4cm) in 2006

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  17. 30. sij

    7pm AKST Wednesday, Anchorage airport temperature is above freezing (34F, +1C) for the first time since New Year's Eve.

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  18. 29. sij

    Sustained cold weather the past six weeks has allowed sea ice to grow well down Cook Inlet and even isolated ice in Kachemak Bay. While not at all historically unusually, it's quite a change from the past several winters.

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    29. sij

    Recent Cold Stretch Reminds Climatologist of Previous Record Low Temperatures in Nome, Bering Strait Region

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  20. 28. sij

    Since winter solstice it's been persistently cold over mainland Alaska. At Fairbanks, the lowest 31-day average temperature so far has been -20.9F (-29.4C), the lowest since Dec 2012. Before the mid-80s this level of sustained cold was common.

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