28 Apr 2020

April 28, 2020

   YESTERDAY:

    Early Monday morning.

    Was a cool morning as the cold front had pushed in.

   Some patches of blue from time to time.


    Monday April 27, 2020. 12:00 Hrs. +9 at 660 m. -1.1 with a 15-40 KPH S wind at 1835 m.

    Satellite image from same timeframe as above image.

    Monday afternoon.

    Sunny breaks mid afternoon..

    There were some breaks later in the afternoon.

    Rain showers at dusk.

    Later in the day.


Weather Observations for April 28, 2020 taken at 06:00 Hours.

2240 meters    -8, Winds were 25-35 KPH S--Horstman Hut
2180 meters    -7, Winds were 30-35 KPH S--Whistler Peak
1860 meters    -2, Winds were 10-15 KPH SE --Rendezvous 
1835 meters    -2, Winds were 10-15 KPH ESE--Round House
1650 meters    -3, 1.4 mm in 12 Hrs, 3.4 mm in 24 Hrs, Base 226? cm --Pig Alley
1560 meters    -2, 2.1 mm in 12 Hrs, 4.1 mm in 24 Hrs, Base 146 cm--Catskinner
  660 meters   +2, Valley Temp, Max temp Yesterday was +11.0, 4.0 mm of precip yesterday.


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

FORECAST:

A weak warm front with a trailing cold front will bring periods of light precipitation for today in a Westerly flow aloft. The freezing level will dro[ to around 1200 meters than rise back up to around 1900 meters with the passing of the cold front. Unsettled this am with increasing cloud cover a s the warm front reaches our zone. A break in the precipitation tonight with a another trough pushing through late Wednesday morning with light/moderate precipitation in a Southwesterly flow aloft. Drying out by mid morning on Thursday with unsettled weather. A break in the moisture for most of Friday with cloudy weather before the next trough arrives Saturday into Sunday. looking drier at the beginning of next week. Guesstimates: 4-6 mm by Wednesday morning, 10-15 mm by Thursday morning, trace- 2 mm by Friday morning.


    GOES IR image from this am.


    Weak front from the low in the Gulf of Alaska will push through today.





    Fronts along the coast.

     More precipitation on Wednesday with a more active trough.





     Weak trough for Thursday with unsettled weather.



    AVALANCHE ACTIVITY:

    Locally, snowballing could be seen on solar aspects when the sun did come out.


    INFORMATION & OBSERVATIONS:

    A few breaks before the mid morning rain.

    Rain mid morning Monday..

    American Coot < Click for info.

    What big toes you have?? Hanging 6!!

    Snow line was down to 1500 meters.

    Snow line Monday morning.

    Light and Happy. Rock On!!

   Valley Trail Recommendations are fairly clear!! Good flow if all comply!!

    It is almost the end of April!!



VIDEOS:

Snow Creek Avalanche: California

Fraser Valley farm forecast with meteorologist: David Jones



ARTICLES:

Helicopter comes to rescue of Pair caught out by avalanche in California: San Jacinto Mountain

Warmer temperatures increasing the threat of avalanches: Utah

Apply a Margin of Safety: PowderCloud

Argentina bans Domestic and International flights until September, essentially ending their ski season: SnowBrains

How a close call in La Grave changed my thoughts on bindings: Powder

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