29 Apr 2018

April 29, 2018


    AVALANCHE ACTIVITY:

    No new avalanches observed locally.



    YESTERDAY:

    Green and White Saturday morning.

    A brief reprieve from the cloud.

    Moist and wet, just the moisture in the air would make you wet.

    It was even obscured at 1000 meters on Saturday.

    20:30 hrs in the village, raining and +6 deg C.

    20:30 Hrs at 1835 meters, overcast and -1 Deg C.

    Saturday Afternoon.

    Big picture Saturday afternoon.

Weather Observations for April 29, 2018  taken at 06:00 Hours.

2240 meters    -4, Winds were 5-10 KPH SE--Horstman Hut
1860 meters    -1, Winds were 5-10 KPH S  --Rendevous
1550 meters    -1, 17 cm of new snow, 17 cm in 24 hrs  Base 225 cm --Catskinner
  660 meters   +4, Valley Temp, Max Temp Yesterday was +10.4, 2.6 mm of precip recorded yest

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



FORECAST:

Upper level low will bring overcast skies and periods of light precipitation today in a Southeasterly flow aloft. The FL should rise to about 2100 meters, descending to 1600 meters by tonight. An upper high will begin to build for Monday but we will still some cloud and showers with unsettled weather. The FL will rise to around 2200 meters on Tuesday. The ridge will strengthen Tuesday with with mostly sunny skies. Wednesday is also looking like a nice day, with Thursday becoming unsettled. More on that as we get closer.
Guesstimates: 2-4 cm of snow, 1-3 mm after the FL rises by Monday morning, 1-3 mm by Tuesday morning.

The FL did drop to 1500 meters last night with 12.7 mm of precip recorded at Catskinner weather plot from 15:30 Hrs yesterday until 06:00 Hrs this am.

    GOES IR image from this am.


    Upper low will send cloud and showers today.



    Overcast with showers.


     Overcast with some possible breaks this afternoon.


    Fronts along the coast.

    Lingering cloud in the morning with showers.

    Unsettled in the afternoon.



    INFORMATION & OBSERVATIONS:

    Scavenger hunt, did anyone find the image of the badger?

    Visibility was not so good, whiteout conditions.

    Snow stake at Crystal!

    Raining at 660 meters Saturday evening, 2.6 mm of rain recorded there yesterday.


ARTICLES:

Blanchard talks spring Banff Avalanche condition risks: Gripped

Persistent Weak Layer: Norway

Snowpack Summary for Central Oregon: COAA

Snoqualmie Pass Avalanche Forecast: Washington State

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