20 May 2018

May 20, 2018


    No new avalanche activity observed yesterday.


    Awesome Saturday Morning.

    Some patches of Blue in the morning.

    Clouds got thicker as the day progressed.

    Just after noon.

    Ceiling started dropping around 15:00 Hrs.

    Started raining at around 16:00 hrs.

    19:30 hrs, raining in the valley.

    Saturday afternoon.

    Big picture on Saturday afternoon.

Weather Observations for May 20, 2018  taken at 06:00 Hours.

2240 meters     +1, Winds were 20-40 KPH S  --Horstman Hut
1860 meters     +3, Winds were 15-20 KPH SE--Rendevous
1550 meters     +4, 11 mm of precip recorded in 24 hours  Base 123 cm --Catskinner
  660 meters   +10, Valley Temp, Max Temp Yesterday was +18.8, 7.5 mm of precip recorded yest

    As of 07:00 Hrs this am we have overcast skies and variable visibility.


A weakening upper trough will bring overcast skies and showers this am in a Southwest flow aloft.
By this afternoon we should see unsettled weather with a mix of sun and cloud. The FL will rise to
3000 meters by tonight. An upper ridge will begin to build on Monday with some residual cloud left over from today dissipating by the afternoon. The ridge strengthens by Tuesday for sunny skies into Friday.
Certainly rained more than I thought yesterday, you just never can tell sometime!
Guesstimates: 1-3 mm by Monday morning, trace-1 mm by  Tuesday morning.

    GOES IR image from this am.

    Upper level trough should ease up with the precipitation as the day progresses.

    Showers this am.

   Unsettled this afternoon.

   Fronts along the coast.

    Possible showers in the morning.

    Clearing by the afternoon.


   Snow pack melting very quickly.

   Sightseers  hanging at the top of the Excaliber

   Mud flows.

   Bike Park was busy in the afternoon.


Avalanche Bulletin: Jasper National Park

More information on the avalanche in: Iceland

Flooding and record temps: Cliff Mass Weather Blog

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