May 17, 2018

   AVALANCHE ACTIVITY:

    Wet debris from a small avalanche yesterday.

   Loose wet.

   Appears a rock dislodged and produced a small wet loose slide.

    Glide cracks are getting noticeably wider.

    YESTERDAY:

    Clear to the South yesterday morning.

    A few clouds to the North.

    More cloud as the day progressed.

    Blackcomb Glacier is marked as ski area boundary.

    Clouds building to the West later in the afternoon.

    Late afternoon.

    Just after sunset Wednesday evening.

    Wednesday afternoon.

    Big picture Wednesday afternoon.


Weather Observations for May 17, 2018  taken at 06:00 Hours.

2240 meters    +4, Winds were 20-25 KPH N--Horstman Hut
1860 meters    +4, Winds were   5-10 KPH N--Rendevous
1550 meters    +5, 0 cm of new snow, 0 cm in 24 hrs  Base 146 cm --Catskinner

  660 meters  +11, Valley Temp, Max Temp Yesterday was +24.0, 0.0 mm of precip recorded yest

    As of 07:00 Hrs this am at 2180 meters we have broken cloud and unlimited visibility.


FORECAST:

Marine layer finally made it inland with a stratus layer of cloud over the area. A weak upper trough to the South will move into our zone later today or early Friday. Presently we are in a Northerly flow aloft and the airmass seems fairly stable. The stratus layer should lift with day time heating and we will likely see a mix of sun and cloud later this morning. Still the chance of some showers today! Unsettled weather for the next few days with the ridge rebuilding for Monday. Chance of some lightning activity Friday and Saturday.
Guesstimates: 0-1 mm by Friday morning, trace-3 mm by Saturday morning, trace-2 mm by Sunday morning.

    GOES IR image from this am.

    Slightly cooler at 1550 meters.

    Stratus layer with mostly overcast skies.

    Hopefully the clouds wiill dissipate.

    Fronts along the coast.

    Nice in the morning.

   Unsettled in the afternoon.


    INFORMATION & OBSERVATIONS:

    Bikers taking advantage of the rapid melt.

    Nice spring conditions early in the morning.

   Glide cracks.

    Spring skiers.

   Creeks are opening up quickly.

   Marine layer has pushed into the valley overnight, image taken at 05:30 Hrs this am.

    Thursday morning, marine layer moved inland.


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