17 May 2019

May 17, 2019


    06:00 Hrs, +4 with a 10-25 KPH wind out of the SSE.

    08:00 Hrs, +5.1 with a 0-5 breeze out of the E.

    10:00 Hrs, +7 with a 10-15 KPH wind out of the E.

   12:00 Hrs, +7.2 with a 5-15 KPH wind out of the ENE.

    13:15 Hrs

    14:00 Hrs, +8.8 with a 5-10 KPH wind out of the SSW.

    18:00 Hrs, +6.5 with a 5-15 KPH wind of the SSW.

    20:00 Hrs, +5.2 with a 5-10 KPH wind out of the SSW.

Weather Observations for May 17, 2019, 2019 taken at 06:00 Hours.

2180 meters    +1, Winds were 15-30 KPH SSW--Whistler Peak
1835 meters    +3, Winds were 10-20 KPH SSW--Round House
1650 meters    +4, 6 mm of new, 6 mm in 24 hrs, Base 148 cm--Pig Alley
  660 meters   +10, Valley Temp, Max temp Yesterday was +20.6, 0.0 mm of precip recorded yest

Rain started falling around 01:45 Hrs, Catskinner weather plot received 5.1 mm.

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


Low to the South, low to the North. Overcast and periods of light rain for today in a South/ Southeasterly flow aloft. The FL will hover around 2400 meters possibly dropping to 1600 meters tonight as a cold front pushes through. The flow will switch to Southwesterly later today, and we could see a drying trend.  A weak trough will bring unsettled weather for Saturday into Sunday with a mix of sun and cloud and a chance of some isolated showers as well. The FL will rise well above the local peaks for Saturday and Sunday. Another frontal band will move in Sunday night for more rain into Monday. Weak ridging will bring more unsettled weather for Tuesday into Wednesday. Guesstimates: 4-8 mm by Saturday morning, trace-1 mm by Sunday morning, 3 to 6 mm by Monday morning.

    GOES IR image from this am. Southerly flow.

    Low from the South bringing periods of light precipitation today, may dry out later.

    Fronts along the coast.

    Unsettled for Saturday as the low remains somewhat Stationary on the coast.

    Unsettled Sunday as well.

    Low pushes rain back into our zone for Monday.


    Locally, still wet loose Sz 1's in steep alpine terrain, wet loose sluffs possible at tree line.

    Recent photos from Jay Memay of Mt Joffre. Taken May 15th.

    Huge slide.                                                                                                               Jay Memay Pic

    Wow!!                                                                                                                    Jay Memay Pic

      Most recent shot of Joffre,  more has slid. Taken 18:30 May 16.                Nicholas Zichy Pic

    May 15th.                                                                                                             Jay Memay Image

    Took this imge on May 10, 2019.


    There were some sunny breaks at 06:30Hrs Thursday morning.

    There were many changes during the day but certainly mostly cloudy. 07:00Hrs.

    12:00 hrs

    The Low Down. Thursday around 13:00 Hrs.

    14:00 Hrs, had some potential for showers.

    18:00 Hrs, drier later in the day.

    Clouds were getting darker at 20:30 Hrs.


Tried Figl: Slush ride down a trough.

Avalanche on Everest: May 7, 2019

Wet Snow Avalanche: Colorado


Avalanches are possible on Going to the Sun Road: Montana

Slides occurring as snow weakens in warmer temps: Colorado

Deluge in California: Cliff Mass

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