29 Apr 2020

April 29, 2020

    YESTERDAY:

    A bit of blue early in the am.

    Early Tuesday morning.

    Some reflection.

    Cloud moved in quickly.

    Tuesday April 29, 2020. 12:00 Hrs. +7 at 660 m. -1.5 with a 5-15 KPH South wind at 1835 m.

    Satellite image from the same timeframe as above image.

    Big picture just before noon.

    Started raining in the valley around 13:00 hrs.

    Limited visibility in the afternoon.

    Just before sunset, stopped precipitating.


Weather Observations for April 29, 2020 taken at 06:00 Hours.

2240 meters    -1, Winds were 15-30 KPH SE--Horstman Hut
2180 meters     0, Winds were 40-50 KPH SE--Whistler Peak
1860 meters   +1, Winds were   5-10 KPH S --Rendezvous 
1835 meters   +2, Winds were     0-5 KPH SW--Round House
1650 meters     0, 0.2 mm in 12 Hrs, 4.9 mm in 24 Hrs, Base 225 cm --Pig Alley
1560 meters     0, 0.3 mm in 12 Hrs, 3.0 mm in 24 Hrs, Base 148 cm--Catskinner
  660 meters   +2, Valley Temp, Max temp Yesterday was +8.1, 1.5 mm of precip yesterday.


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


FORECAST:

An approaching cold front will bring periods of light precipitation in a Southwesterly flow aloft for today. The freezing level has spiked at around 2100 meters and should drop to 1500 meters by Thursday morning. Front should dry out by Thursday morning with some lingering cloud and some isolated showers. Will likely see some sunny breaks Thursday but looking mostly cloudy. Friday will also be mostly cloudy and dry with the occasional sunny break. A potent wet windy front arrives on Saturday with periods of light/moderate precipitation, easing to showers by Sunday morning. Looking like a mixed bag Sunday with drier weather by Monday. Guesstimates: 6-12 mm by Thursday morning, trace-1 mm by Friday morning, trace-1 mm by Saturday morning.


    GOES IR image from this am.


     Cold front arriving Wednesday morning.





     Fronts along the coast.

     Unsettled Thursday, could be mostly cloudy with some sunny breaks.





     Low will bring a potent front for Saturday. Mostly cloudy and dry Friday.



    AVALANCHE ACTIVITY:

       An avalanche has killed a skier in the Climax Chutes, Crested Butte. Article below, File Pic

    Recent local activity, April 28, 2020.13:30 Hrs. Brandywine Area NE Asp Avalanche Alley.

    Some other wet loose activity was likely 12-24 Hrs old.

    Activity over the past 24 Hrs on Tuesday April 28, 2020.

    Fresher debris. Snow quality good above 1850 meters, not so good below!!


    Early Tuesday morning, looks smooth and white. Not much action visible in the am. No vis in pm.



    INFORMATION & OBSERVATIONS:

    Horstmann Peak early Tuesday morning.

    Front was moving in from the South.

    Cold, wet and guess what, no one!!

    1.5 mm recorded yesterday at Nesters Weather Station. High of +8.1 Deg C.

    Just before sunset yesterday which was at 20:26 Hrs.



VIDEOS:

Fraser Valley Farmer's Forecast: David Jones



ARTICLES:

Avalanche kills skier near Crested Butte Tuesday morning: Colorado

Initial report on the avalanche on Mount Emmons: CAIC

A-Basin considers reopening with restrictions in place: Colorado

Skiing into the apocalypse: VailMag

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