27 May 2016

May 27, 2016

    Low and high cloud around Thursday morning, May 26, 2016.

   Saw 4 bears on the upload yesterday morning. top of the Wizard Chair.

    Mostly overcast for much of the day.

    At times the cloud gave obscured visibility at mid mountain.

   Very light flurries at around noon.

    Rain began to fall at around 18:00 Hours in the valley.

    Rained hard at around 19:30 Hours in Alpine Meadows. 5.7 mm recorded at 1550 meters in 12 Hr.

    Fresh snow and unsettled weather Thursday evening, 20:45 hours.

Weather Observations for May 27, 2016: taken at 07:00 Hours.

2240 meters     -3, Winds were 10-15 KPH S --Horstman Hut
1860 meters      0, Winds were   5-10 KPH S --Rendevous
1550 meters      0, trace of new snow, 0 cm in 24 hrs, 95 cm Base, RH 99%
  660 meters    +6, Valley Temp, Max Temp Yesterday was +14.3. 3.3 mm of Precip recorded yest

    As of 08:00 Hrs this am we have broken cloud with variable visibility.

    Looking south-southwest this morning from Whistler Mountain.

For the forecast, a series of short wave troughs emanating from the low will bring unsettled weather with periods of rain through Sunday with a FL fluctuating from 1600-2200 meters. The upper flow is Northwesterly with a cooler air mass and snow expected in the upper elevations. For today, unsettled this morning becoming cloudier in the afternoon with the chance of some intermittent isolated showers. The next cool moist trough will arrive likely Saturday afternoon with some light precipitation. Sunday will see yet another cool moist trough push through with light to moderate precipitation, there is a chance of some thunder and lightning Sunday afternoon with breaks in its wake. Unsettled weather for Monday as the ridge gains some influence, strengthening for Tuesday for a mostly sunny day.

    Large upper level low will send several weak upper level shortwave troughs our way into Sunday.

    A little drier today, with some unsettled weather in the morning.

    More cloud this afternoon with a drying trend in the evening.

    Unsettled Saturday morning with cool moist overcast conditions for the afternoon.

    Low brings wet weather Sunday, exits the area on Monday.

   High builds for Tuesday into Wednesday.


Avi Escape: Sammy C

Four Girls ski the Matterhorn: East Face

Couloir Skiing: Argentina


Global Warming--Spring Snow a No Go: Science Daily

Remote avalanche control system kept Berthound Pass open all winter: Colorado

Working Guide's Guide to Ski Touring Gear: Go Light, Do it Right

Statistics from April 2007-April 2016, data taken at 660 meters-Nesters Weather Station:

Date            MM of Precipitation                    Max Avg Temp

2007                     64.3                                              9.8
2008                     24.2                                              8.7
2009                     41.8                                            11.4
2010                     93.7                                            10.6
2011                     26.8                                              7.3
2012                     86.2                                            10.5
2013                     46.8                                            10.8
2014                     45.0                                            10.9
2015                     29.5                                            11.6
2016                     34.5                                            16.3

Just a bit warmer in 2016!!

    10:15 Thursday morning

    15:15 Hours Thursday afternoon

    Big picture Thursday afternoon.

    More bear sightings on the download at the end of the day. Base 2.

    Visibility was challenging at times.

    But there was some decent visibility for most of the day.

    Fresh snow on Whistler Peak Thursday evening. Weather system on the exit.

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