Colorado has seen many natural and human triggered avalanches in the past week. CAIC Pic
PAST WEEK:
Monday evening Nov 5, 2018. Snowing lightly -2 Deg C at 17:00 hrs.
Tuesday morning November 6, 2018. Sunrise 07:10 Hrs. -3.4 at 1835 meters. Making snow!!!
Wednesday morning November 7, 2018. 07:00 Hrs -6.4 Deg C.
Thursday am November 8, 2018. At 06:00 inverted temps, -2 at 2240 meters -4 at 660 meters.
Friday morning, November 9, 2018. At 07:00 hrs the temperature was 0 Deg C at 1835 meters.
Saturday 07:15 Hrs November 10, 2018, -5 at 1835 meters. Chairs on the Emerald Exp!!
Sunday morning Remembrance Day 08:00 Hrs. Inverted temps again -1 at 1835, -3 at 660 meters.
Weather Observations for November 12, 2018 taken at 06:00 Hours.
2240 meters +4, Winds were 10-15 KPH SE --Horstman Hut
1860 meters +3, Winds were 5-10 KPH SE --Rendevous
1650 meters +1, 0.0 mm of precip in 12 hrs --Pig Alley
660 meters -1, Valley Temp, Max Temp Yesterday was +4.2, 0.0 mm of precip recorded yest
As of 07:00 hrs this am we have broken cloud and unlimited visibility.
GOES IR image from this am.
Warm High with a big low to the North.
As of 07:00 hrs this am we have broken cloud and unlimited visibility.
FORECAST:
The upper ridge is finally on a slow drift Southeastward today and Tuesday in a Northwesterly flow aloft.. Expect a dry partly cloudy warm day, with the freezing level possibly topping out at 3500 meters. A weak front will push through Tuesday afternoon with a descending FL (> to 1500 m) and some light precipitation. Warm front followed by a cold front. Wednesday and Thursday are looking cloudy with some periods of moderate rain and the FL fluctuating from 1700-2000 meters. The ridge rebounds on Friday with unsettled weather and strengthens for Saturday into Sunday with warming temperatures. Beyond that there is a chance of cooler temperatures next week but likely a similar scenario as the coming week. Hopefully we will see a shift in the pattern by November 23.
GOES IR image from this am.
Warm High with a big low to the North.
Fronts along the coast.
High drifts Southeast, low slips down the coast.
Cloudy Wednesday with periods of rain.
High starts pushing back.
Lingering cloud Thursday with showers.
Back to the persistent warm high pressure.
Ridge strengthens Saturday.
Sunny weather for Sunday.
INFORMATION & OBSERVATIONS:
High in the valley of +7.6 on Monday with 1.5 mm of rain recorded at 660 meters.
Unsettled Tuesday morning. Snow line below 1500 meters. Showers mid day.
Rainbow Glacier 2200 M NE Asp HS130 cm CTM 19 at 85 cm irregular break. Knife to pencil crust at 100 cm, moist below with tight grains 30 cm to ground. Wed Nov 7, 2018.
First turns of the season on Rainbow Glacier. Snow was awesome!!! Wed Nov 7
Thursday morning, a few clouds around.
Warmed up below treeline on Thursday.
Surface hoar at tree line developing near water sources.
Friday afternoon, 16:00 Hrs -2.5 Deg C.
Friday same time period in the valley +3 Deg C. Damp and uninspiring!!
Saturday morning making snow on Upper Cruiser. -5 Deg C.
A different perspective of the snow making.
Stunning day Saturday.
Remembrance Day. Net pic with a story.
Sunday afternoon. Bluebird!!
Sunday afternoon.
Some precipitation amounts for October taken at 660 meters over the past 8 years:
Date: mm of Precip
2018 101.0
2017 155.7
2016 223.4
2015 67.2
2014 252.6
2013 19.3
2012 189.7
2011 82.5
2010 70.8
VIDEOS:
Bridger Range Snowpack: GNFAC
Ski Area Uphill & Boundary Travel in The PNW: Panel Discussion
Return to the Fray: Tobin Seagal
Old Super Bowl Commercial filmed in Whistler: Dusty's
Sled Cutting: Instagram
Ride Another Day: Flathead Avalanche Center
ARTICLES:
Active cycle in Colorado: CAIC
Avalanche survivor shares experience: Crag & Canyon
ENSO Report Nov 5, 2018: NOAA
Three hundred avalanche guards installed around Isafjordur: Iceland
Fernie will host the ISSW in 2020: October 4-9, 2020
Why terrain choice is the answer to avalanche avoidance: TetonSnowGeek
What should come first. Avalanche airbag or education: Mountain Sledder
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