30 Sep 2019

September 30, 2019


    PAST WEEK:

    Monday September 23, 2019. 12:00 Hrs. + 2.7 Deg C with a 15-40 KPH SE wind.

    Tuesday September 24, 2019. 12:00 Hrs. + 3.9 Deg C with a 20-30 KPH SW wind.

    Wednesday September 25, 2019. 12:00 Hrs. + 4.7 Deg C with a 5-10 KPH breeze out of the S.

    Thursday September 26, 2019. 13:00 Hrs. + 6.3 Deg C with a 5-10 KPH N Breeze.

    Friday September 27, 2019. 13:00 Hrs. -1.1 Deg C with a 10-15 KPH N wind.

    Saturday September 28, 2019. 13:00 Hrs. -2.4 Deg C with a 10-30 KPH ENE wind.

    Sunday September 29, 2019. 13:00 Hrs. -3.8 Deg C with a 10-35 KPH ENE wind.


Weather Observations for September 30, 2019 taken at 06:00 Hours.

2180 meters      -7, Winds were   5-10 KPH NNE--Whistler Peak
1835 meters      -4, Winds were 10-25 KPH NNE--Round House
1650 meters      -3, 0 mm of rain, 0.0 mm in 24 hrs --Pig Alley
  660 meters      -1, Valley Temp, Max temp Yesterday was +9.1, ? mm of precip recorded yest

    As of 07:00 Hrs this am we have clear skies and unlimited visibility.



FORECAST:

The upper ridge will bring cold sunny weather for today in a Northeasterly flow aloft. -1 in the valley this morning with the FL rising as the day warms up (?1800 m). Tuesday the ridge begins to break down with a mix of sun and cloud with warmer temperatures, the FL is likely going back up to 2800 meters. A weak cold front arrives for Wednesday with more snow slated for the upper elevations, the FL will likely drop back down to the 1500 meter range. A weak broad upper trough will bring cloudy skies for Thursday and Friday, with a chance of some isolated snow flurries. As it exits there is a chance of some precip Saturday morning with weak ridging sometime Saturday afternoon and a good chance of sunny weather by Sunday. The weekend is a long way off, time will tell!!


    GOES IR image this am.

    Arctic high to the East, Low to the South, high to the West. Cold and sunny for today.





    Fronts along the coast.

    Low from the north will move down the coast, mix of sun and cloud for Tuesday. A bit warmer.





    Cold front on Wednesday with more snow in the upper elevations.

    Snow for Wednesday, FL might get as low as 1200 meters.

     Longwave trough for Thursday, some left over snow showers in the upper elevations.

    Mostly cloudy for Thursday.

    Mostly cloudy for Friday.

    Unsettled for Saturday. Mix of sun and cloud.

    High may build for Sunday with mostly sunny weather.



    AVALANCHE ACTIVITY:

    Glacier National Park was hammered yesterday.                                                                   Net Pic

    Possible activity in the Rockies.

    Avalanche Advisory: New Zealand



    INFORMATION & OBSERVATIONS:

    Periods of light rain on Monday, high in the valley was +11.8 Deg C.

    Nice breaks on Tuesday afternoon. High in the valley was + 15.7 Deg C.

    Early Wednesday morning, Valley temp was + 3 Deg C at 06:00 Hrs.

    Wednesday evening, started raining around 17:00 Hrs and stopped at 03:15 with 10 mm at 1660M.

    Thursday morning 09:00 Hrs. + 1 Deg C with 0-5 KPH breeze out of the N.

    Back Tusk Thursday at around 12:00 Hrs.



    1860 Meters at the Rendevous Friday afternoon.

    Measured 24 cm at 15:30  Hrs at 1860 meters on Friday. 27 cm total when it stopped snowing.

    Winter storm on Friday.

    Saturday afternoon.

    Sunday evening.



VIDEOS:

Rider jumps over bear: Whistler Bike Park

Ski Patrolling: Jackson Hole


ARTICLES:

Flathead avalanche forecast: Montana

40 inches of snow in Montana: February storm in September

2019 Arctic Sea Ice Extent ties for second-lowest summer minimum on record: NOAA

Glacier on Mt Blanc close to collapse: Italy

Avalanche workshop coming soon to Fernie: November 10, 2019

Northern Rockies Snow & Avalanche Workshop: November 16, 2019

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