14 Jun 2021

June 14, 2021

       PAST WEEK:

      Monday June 7, 2021. 13:00 Hrs. 0 Deg C. +14 Deg C in the valley.

      Tuesday June 8, 2021. 12:00 Hrs. Mostly cloudy. +15  Deg C at 660 m. +1 at 2180 m.

      Wednesday June 9, 2021. 13:00 Hrs. +2 Deg C. +13 in the valley.

      Thursday June 10, 2021. 12:00 Hrs.  +12.7  Deg C in the valley. -3 at 2180 m.

      Friday June 11, 2021. 12:00 Hrs. +3 Deg C at 1835 m. +14 Deg C at 660 m. 

      Saturday June 12, 2021. 12:00 Hrs. +14 Deg C at 660 m. -1.5 at 2180 m.

     Sunday June 13, 2021. 12:00 Hrs. Wet. +6 Deg C at 1835 m. +12.8  Deg C in the valley.



Weather Observations for June 14, 2021 taken at 06:00 Hours.

2180 meters     +1, Winds were 20-40 KPH SE--Whistler Peak 
1835 meters     +4, Winds were   5-20 KPH SE--Round House
1650 meters     +5,  11.5 mm in 12 Hrs, 30.5 mm in 24 Hrs, Base 88 cm --Pig Alley
  660 meters   +11, Valley Temp, Max temp Yesterday was +15.7, 25.5 mm of precip yesterday.

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

FORECAST:

A weakening upper level trough will bring periods of light rain today in a Southerly flow aloft. The FL will remain above the local peaks. The upper trough will continue sliding to the Northeast Tuesday with a mix of sun, cloud and likely showers. Weak ridging for Wednesday will bring a mix of sun and cloud. High pressure will bring a mix of sun and cloud for the remainder of the weak with the ridge strengthening by the weekend with mostly sunny skies. Guesstimates: 1-3 mm by Tuesday am, trace-2 mm by Wednesday am, 0-trace by Thursday am. 


      Goes Image from this am.


      Weakening upper level trough slowly migrating NE, still unstable with some moisture.





      Southerly flow aloft.


       Low now up North, unsettled weather for Tuesday with the chance of some showers.






      Weak ridging for Wednesday with unsettled weather.




      High pressure builds but a mix of sun and cloud for Thursday.


      Certainly nicer weather than the atmospheric river event last weekend.



     High pressure but low just off the coast, mix of sun and cloud for Friday.

      High pressure for Saturday.

      Looks like the high strengthens for Sunday.


     AVALANCHE ACTIVITY:

     An avalanche on Torreys Peak, CO has injured a climber. Article below.                  CAIC Image


      Large June cornice induced avalanche on Beartooth Pass. Article below.         A. Hart Image


      INFORMATION & OBSERVATIONS:

      Unsettled Monday afternoon, nice sunny breaks in the pm. High in the valley of +15.2 Deg C.

      Tuesday 08:00 Hrs, unsettled. -3 Deg C  at 2240 m. Clouds moving in from the South.

      Tuesday evening, showers. 3.3 mm recorded at 660 m on June 8th.


      Snowing Wednesday 07:00 Hrs. -1 Deg C. True Juneuary weather. 1.9 mm recorded at 660 m.

      Sunny break Wednesday evening after a very unsettled day. High in the valley was +15.6 Deg C.

      Thursday am, unsettled with a dusting in the upper elevations. High in the valley was +14.5.

      Early Friday morning, front slowly moving into the zone. -3 at 2240 m at 07:30 Hrs.

     Overcast Saturday at 08:00 Hrs. +2 Deg C at 1835 m..

     Unsettled at 13:00 Hrs on Saturday. +5 Deg C at 1835 m. 

      Sunday 07:30 Hrs. Raining at 1835 m. +5 Deg C. 20.9 mm recorded at 1650 m. 


       Reality-Precipitation amounts at 660 m. June 11- 0.8 mm. June 12- 0.9 mm. June 13- 25.5 mm.




VIDEOS:

Avalanche heads towards camp: Mount Everest

Going for a ride: Narrow Chute

Avalanche Warning Program: Australia

Too much send: Snowmobile bail


ARTICLES:

Climbers caught in avalanche on Torreys Peak, one injured: Colorado

Large early June avalanche caused by a cornice drop: Beartooth Pass

Out of Bounds: Australian Avalanches

Survival probability in avalanche victims with long burial (>60 min): Retrospective Study

Cause, scope determined for deadly winter debris flow in Uttarkhand, India: Science Daily

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