All Observations

Forecast Center Observation

Date2019-04-28
LocationHaines
ObserverErik Stevens
AvalancheN

General Observations

Did some field work at the Ripinksy weather station, and went on to ski a few laps in the Ripinsky NE bowl near 2600ft. Temperature near +10C. Snow depths around 1.5 - 2m. Top 60-90cm of snow was newly isothermal, with a harder wet layer in the top 30cm that was actively whumphing and collapsing onto softer wet layers…

 
Date2019-03-28
LocationHaines
ObserverThom Ely
AvalancheN

General Observations

Pit dig on Nadahini 33 degree north facing slope at 1646 meters. 105 cm pit face, snow depth to 285 cm, 80 cm deep large crystal facet layer which broke away while preparing column. Wind slab layer at 25 cm which also separated easily. Lots of settling and crack propagation on approach to slope, wind…

 
Date2019-03-28
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

Transitional Zone: 6000' NE-aspect on 40-degree slope ECTN results (no propagation) down 25cm and 45cm, snow felt contiguous above 5000' with melt-freeze below. Solar aspects were heating rapidly so time & place are increasingly important factors to consider in the mountains now. S-SE-aspects at 3500'-4000' were spitting rocks downslope as early as 8am and staying isothermal until 8pm. E-aspects…

 
Date2019-03-22
LocationHaines
ObserverJason Wohaa
AvalancheN

General Observations

Chilkat Pass Zone: Rain line is between 4500 and 5000 ft. Wet loose all aspects and elevations. Some appear to be stepping down. Likely to wind crust below new snow. At 6000 feet about 5 inches new. Below 4000 feet snow is water saturated and isothermal to ground. Still good snow up high. 

 
Date2019-03-18
LocationHaines
ObserverCharlie Stewart
AvalancheN

General Observations

Jet Stream woes! Unseasonably warm temps hit the Chilkats starting 3/18 -- field observations on 3/19 revealed an inversion with warm temps (41F @4500') / (48F @5000') and numerous natural avalanches on all aspects at all elevations. Stopped to dig around on East & West aspects in the Flight School area (across the Takhin drainage and West of…

 
Date2019-03-18
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

House Zone: Looking out the window from town at Telemark Ridge (NE-aspect above 1500') there are recent crown lines on almost every 30+ degree convexity. Interesting to see how the fractures overlap, connect and step-down. These photos may serve as exercises for mental mapping avalanche terrain, where pockets of snow could slide out. Natural avalanche activity is…

 
Date2019-03-18
LocationHaines
ObserverErik Stevens
AvalancheN

General Observations

Took a look at the mountains around town this morning. Elevations between 1500-5000ft had a big avalanche cycle yesterday. Most crowns are around 1m thick and are extensive, filling wide basins. Mostly recent snow coming down I believe, but stepped down to midpack layers in some places. Lots of D3's. Nearly every slope I observed had a large…

 
Date2019-03-15
LocationHaines
ObserverTim Thomas
AvalancheN

General Observations

Ski tour up from 5 mile creek.  Overcast, light winds out of south.  Temps just below freezing @ 2000'.  Hot pow with ski pen around 15cm.  Pit on West aspect, 30 degree slope.  125cm snow depth.  Very poor structure in top 75cm of pack.  Multiple crust/facet layers under 30 cm of new, moist snow.  No propagation with ECT but…

 
Date2019-03-14
LocationHaines
ObserverErik Stevens
AvalancheN

General Observations

Observations from Mumford's today: sketchy conditions with 30cm of new very wet and heavy snow (think cement) from last night, that is piled up over Sunday's new snow, which overlays a widespread buried facet layer roughly 60cm deep. Lots of whumphing, shooting cracks, and we even triggered a small slab on a test slope in…

 
Date2019-03-12
LocationHaines
ObserverCharlie Stewart
AvalancheN

General Observations

Transitional Zone: The Chilkats received 30 - 50cm new snow above 3500' average HS observed above 4,000' is now between 250 - 300cm with specific wind loaded areas as an exception. This new snow is sitting on top of several near surface facet layers (depending on aspect depth ranges from 30 - 90cm). Snow pack tests…

 
Date2019-03-10
LocationHaines
ObserverJonny Bomber
AvalancheN

General Observations

Lutak Zone: Lots of new snow in the mountains! At 1000' there is 25cm of new, and at 2000' there is 35cm. Below 1000' there was 5-15cm of new, although with the warming temperatures throughout the day the snow is  melting off. We saw strong S winds and intense blowing snow in unsheltered terrain that…

 
Date2019-03-09
LocationHaines
ObserverErik Stevens
AvalancheN

General Observations

Lutak zone, north-facing trees today: great snow, great skiing between 2000-3000ft. Snow began accumulating in the afternoon about when we descended for the day. Winds light-moderate and increasing out of the SE. Snowpack was about 30cm of fist-hard facets at the surface, with well bonded but faceted layers and wind slabs/crusts beneath. Expecting the thick surface facet layer…

 
Date2019-03-07
LocationHaines
ObserverJonny Bomber
AvalancheN

General Observations

Lutak Zone: Really great snow conditions on shaded NE-W facing terrain where 10-15cm of F hard near surface facets make for fast and easy turns. Below the surface the snowpack is still mostly a mixture of crusts and facets although without a slab on top, we felt comfortable pushing into some steeper terrain. There is a…

 
Date2019-03-06
LocationHaines
ObserverErik Stevens
AvalancheN

General Observations

Aerial recon on the Transitional zone: avalanche activity from the thaw last week is confined to SE-S-SW aspects, between 2000-5000ft. Most of these wet slides were connected to or below areas of rocks/cliffs. Crown heights were around 30-60cm on average, with some breaking around 1m deep. This is all old activity but indicative of what to…

 
Date2019-03-05
LocationHaines
ObserverJonny Bomber
AvalancheN

General Observations

Lutak Zone: Low angle solar terrain has crusted over with the cooler temps while steep solar slopes are still running through a diurnal melt-freeze cycle. Shaded terrain unaffected by wind is skiing great with 5-15cm of small near surface facets making travel easy and fast. Went looking for wind slab around treeline and didn't find any evidence…

 
Date2019-03-02
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

Lutak Zone: Above 4,000' evidence of prior warm temps on steep solar S-E aspects with point release and loose slides. NE aspects had evidence of wind loading and textured snow. W aspect above 4,500' had moderate ECT results with no propagation in the upper 20-30cm of the snowpack. N-NW aspects were right-side-up with a mix of wind…

 
Date2019-03-03
LocationHaines
ObserverMike Smith
AvalancheN

General Observations

Also posted on Avalanche Canada: https://www.avalanche.ca/map?panel=mountain-information-network-submissions/43f41fe8-2c13-43fe-a97e-b0247cc8e806Fast travel conditions on a mix of highly-faceted wind slab, some surviving hard wind slab and unconsolidated facets in areas sheltered from NW wind.Snowpack test results: Site at 1220m, E aspect, 30 degree slope. Sheltered from NW wind.CTM SC down 30cm on slightly rounded SH sz 1-2mm (consistent results in…

 
Date2019-02-24
LocationHaines
ObserverAvalanche Canada
AvalancheN

General Observations

Chilkat Pass Zone: X-Post from Avalanche Canada MINhttps://www.avalanche.ca/map?panel=mountain-information-network-submissions/8677773c-84d3-4031-b049-9bf9edcc9fd9

 
Date2019-02-24
LocationHaines
ObserverJonny Bomber
AvalancheN

General Observations

Lutak Zone: Great riding conditions in and out of the trees in Lutak area. Skies clear, winds were light N winds, air temps below freezing and on solar aspects, the sun was having a strong effect. No blowing snow observed, although there was evidence of some light-moderate wind transport along ridgelines and on windward slopes.At 1300',…

 
Date2019-02-22
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

Lutak Zone: 12" of new snow, winds above treeline were moderate gusting strong from the N-NE, visible wind loading on S-SW aspects, building a touchy wind slab and cornices. Travel was good on windward slopes where there was rime and sastrugi to avoid the fresh wind slab. Temperatures stayed in the 5-10F range with strong sunshine…

 
Date2019-02-20
LocationHaines
ObserverTim Thomas
AvalancheN

General Observations

Sled/riding adventure up to East summit(wx station) of Old Faithful.  Pit @ 4500'/ NE/ECTP 22 down 60cm(LOC) on facets above crust. Cross loaded wind slabs board cut 10-15cm on features in riders right of main bowl.Multiple sled slope cuts on convex rolls on East aspect around treeline with no results. 

 
Date2019-02-19
LocationHaines
ObserverRicco Lah
AvalancheN

General Observations

Lutak Zone Northern aspect had 4-6" of new snow and above 1500' Monday's snow became denser where the wind had affected the snow (wind slab). Every slope above 1500' was whumphing, failing under the new snow/wind slab on a 1/2" soft crust with 4-6" of faceted crud below that down to a hard supportive crust. This…

 
Date2019-02-17
LocationHaines
ObserverTim Thomas
AvalancheN

General Observations

Sled mission to main back bowl of Nadahini.  Broken skies with variable light winds.  Inverted temps well bellow freezing bellow treeline to mid alpine.  32F @ 5300"Pit @ 5300', NE, 20 degree slope.  Layer of concern down 35cm and 55cm.  ECTP(Propagation!) 12  down 35cm on thin crust with facets above.  Buried surface hoar found down 55cm but not reactive…

 
Date2019-02-16
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

Transitional Zone: 3,300' E-aspect clear, sunny, air temps <20F, snowpack depth 100cm. Soft faceted snow below and at treeline. A variable mix of wind slab, sun effect snow, sun crust, melt-freeze crust and sastrugi above treeline. Coverage looked wind blasted. Traveling on hard wind slab produced loud isolated collapses. From 3,300' we got a drainage wide settlement…

 
Date2019-02-09
LocationHaines
ObserverDavid Boston Dzenawagis
AvalancheN

General Observations

On Saturday February 9th my friend and I hiked up the north face of Mt Ripinski in the Lutak zone. We Triggered a few loose snow sluffs that were 15 cm’s deep. My friend triggered a deeper 35 cm sluff that didn’t propagate or slab. These sluffs were triggered in chutes that were 35-45 degrees slope angle. R1-D1 is…

 
Date2019-02-10
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

Chilkat Pass Zone: Noticed D1-2 R2 surface wind slab avalanches on steep walls above the glacier SE-E-NE-aspects 5,000-6,000'. Fresh 100' wide pocket a few inches deep ran 800' from 5,800 - 5,000' over a ski track traverse on a 45-degree SE-aspect slope. Looked like it released on an old surface where Wednesday's new snow had drifted by the…

 
Date2019-02-09
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

Lutak Zone:  Fields of surface hoar building on sheltered aspects between 1,500-3,000ft, especially in-and-around trees. Between 3,200-3,700 ft on exposed ridgelines experienced wumphing on 18-degree slopes, found an ice crust over faceted snow. Up to 4,600ft on N-aspect, the same hard ice crust held well bonded soft-to-dense powder to the surface.  Areas of cross-loading and surface wind slab were…

 
Date2019-02-08
LocationHaines
ObserverErik Stevens
AvalancheN

General Observations

Good riding quality above 2000ft in the Ripinsky, Jones Gap, and 3920 / 7-mile saddle areas today. Toured multiple aspects in multiple basins and only found one area of clear red flags: some cracking/sliding of recently wind loaded soft slab in one pocket. As a result, there were more wind loaded areas that we avoided. Backed…

 
Date2019-02-07
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

Lutak Zone: 2,600′ S-aspect/air temp 2C/sunny/calm/snowpack depth ~55cm. About 4 inches of new snow on top of a 2 inch Pencil crust with 4F to 1F mostly frozen facets below that. This gave the snowpack a supportive feel in most places, however in isolated areas of the terrain the crust softens and gave way to cracking underfoot, see photo. Plenty of…

 
Date2019-01-27
LocationHaines
ObserverJDRCURRIE
AvalancheY

General Observations

Ob from Canadian MIN:https://www.avalanche.ca/map?panel=mountain-information-network-submissions/dd3946a3-31ed-42e8-8aad-b29b9e3796e0Precipitation 8cm at 1C Friday PM. Cloudy morning to sunny around noon Saturday. NW wind became extreme in the afternoon. Cold and crystal clear milky way skies overnight. Sunday morning with positive temps in the sun to haze and partial cloud by afternoon.Highly variable. Several natural avalanches on S and E aspects…

 
Date2019-01-27
LocationHaines
ObserverJonny Bomber
AvalancheN

General Observations

At Nadahini we found 4-6” of new snow, with evidence of previous moderate N winds building soft wind slabs up to 12” thick. In sheltered terrain below 3000 where surface hoar was preserved we were able to initiate multiple shooting cracks that traveled  as far as 50 feet out. These cracks were failing around 12” down below…

 
Date2019-01-27
LocationHaines
ObserverErik Stevens
AvalancheN

General Observations

Observations from upper West Nadahini glacier area. Calm winds, sunshine, thin high clouds, temperatures in the 20's F. N aspect at  5600ft: New snow about 6" deep sitting over stiff wind slab with moderately weak facets underneath (See pit profile graphic). Surface forms were precip particles/dendrites. Surface snow was low density, loose, not slabby anywhere we…

 
Date2019-01-27
LocationHaines
ObserverJason Eson
AvalancheN

General Observations

Poked around Dick’s creek today.  Very variable snow. Most of new snow had settled into a loose in some places and hard in others slab about 10cm deep.  Did an ECT at 1300M on NW 22 degree slope. Top 10 cm Q3 break 15. 28 made a hollow layer at 70cm settle but not slide…

 
Date2019-01-22
LocationHaines
ObserverErik Stevens
AvalancheN

General Observations

Observations Tuesday 1/22 found good stability on S aspects near W. Nadahini, but widespread areas of small surface hoar forming. 

 
Date2019-01-22
LocationHaines
ObserverErik Stevens
AvalancheN

General Observations

Aerial survey found areas of low-angle natural wind slab avalanches between 15-30cm thick, on a variety of slopes that were wind loaded or cross-loaded this week, but sheltered enough that NW/N winds couldn't strip off the weak layer underneath. New slides appears to be running on a slick surface hoar layer. Some slides ran relatively far…

 
Date2019-01-20
LocationHaines
ObserverLevel 1 Rec Course Haines
AvalancheN

General Observations

Chilkat Pass Zone: 3,500' SE-aspect/air temp -11C/sunny skies/light NW wind/snowpack depth 135cm/boot pen 5cm. Overall hard wind slab with sastrugi mixed in, areas of soft near surface facets, and micro surface wind crusts that broke underfoot. Pit results revealed our layer of most concern: buried facets 46cm down that failed at CT9 SC, CT26 SC, ECTP17, and PST 65/100 End. This possibly…

 
Date2019-01-12
LocationHaines
ObserverBeerdsly Auch
AvalancheN

General Observations

Near Glacier Creek: 1953', S aspect, 35 degree slope. 140cm snowpack depth, cloudy skies, no wind. Three distinct thin rain crust layers observed in top 10cm, rest of snowpack below was solid and did not break under compression tests. Several point-release natural slides were visible at higher elevation (2500'+) and 45 degree+ slope angles. Pit GPS location: N 59 32.134 W…

 
Date2019-01-09
LocationHaines
ObserverJonny Bomber
AvalancheN

General Observations

Lutak Zone: Spied 2 recent natural slab avalanches across the inlet on Halutu Ridge, estimated to have run in the last 24 hours. Both on SW aspect at ~2500 ft, mid slope. Size 2, looks like wind slab in terrain cross loaded by the North winds. 35-40 degree start zone, roughly 50mx50m slabs.  The snow surface is a mixed bag of facets,…

 
Date2019-01-08
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

Lutak Zone: 2,700' N-aspect air temp -14C sunny skies no wind snowpack 130cm. Three distinct crust layers in the upper snowpack from 1F to P hardness. Facets are sandwiched between these crusts. Results from our pit were ECTP7 down 15cm on a weak faceted layer with another slab supporting it from below. Eventually, that slab also propagated at ECTP23 down 35cm.…

 
Date2019-01-06
LocationHaines
ObserverErik Stevens
AvalancheN

General Observations

Lutak Zone: Clear skies, moderate NW winds on ridgetops. Traveled on a large variety of aspects and elevations today. Ski/boot penitration 0-10cm max. Good stability, hard/crusty ski conditions, best between 2000-3000ft. No danger signs, no whumphs, no cracking, little in the way of fresh wind slab, though we could see some building on the highest South-ish aspects. Pole…

 
Date2019-01-04
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

Lutak Zone: 3,000' NE-aspect air temp -7C overcast moderate NW wind snowpack 108cm. Stout crust from this last storm in the upper 10cm of the snowpack. This supportive layer is difficult to kick into with a slick rime ice surface. Hard failures down 30cm below a 2cm rain crust on CT19&23 SC, ECTN30. Down 98-100cm 4F melt-freeze facets with refrozen…

 
Date2019-01-03
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

Chilkat Pass Zone: 4,300' NE-aspect mostly sunny air temp 10C light SW wind snowpack 100cm. Discovered the facet crust combo 80cm down where a 2cm pencil hard rain crust sits over 5cm of loose 2mm facets. Compression tests were easy with CT9&10 down 80cm sudden collapse fracture characteristics. The crust does the job of supporting the…

 
Date2018-12-29
LocationHaines
ObserverAvalanche Canada Observations
AvalancheN

General Observations

Sat Dec. 29 Pass Zone at Nadahini and Dick Creek:https://www.avalanche.ca/map?panel=mountain-information-network-submissions/3e022e13-4330-4b17-a905-3b4e759e3ed5https://www.avalanche.ca/map?panel=mountain-information-network-submissions/1b6592af-507e-45a2-9c6b-d673e74d8a40

 
Date2018-12-28
LocationHaines
ObserverJonny Bomber
AvalancheN

General Observations

Pass Zone around 3 mile: Great snow conditions. 10-15cm of new snow fell yesterday and bonded well with the existing snow surface. As we broke treeline, we found evidence of a past S wind event that deposited thin wind slabs on northerly and westerly aspects. At and below treeline we found a snowpack that got more cohesive with depth…

 
Date2018-12-24
LocationHaines
ObserverErik Stevens
AvalancheN

General Observations

Observed D3 natural avalanche from the last storm (around 4-5 days old), on cross-loaded west aspect near 4500ft. Ran around 4000 vertical feet through channeled gullies to hit the valley floor. 

 
Date2018-12-23
LocationHaines
ObserverMat Trotter
AvalancheN

General Observations

Lower elevations on the US side were calm, but the rest of the pass was seeing 40-50 kmh winds. Lots of wind slab formation on various aspects. We saw one size 2 or 3 natural, slab avalanche on a west aspect on Three Guardsmen, which looked to have occurred recently. Full ob here:https://www.avalanche.ca/map?panel=mountain-information-network-submissions/9b12c2f2-eafb-43bd-aebe-d9958ab97a8e

 
Date2018-12-23
LocationHaines
ObserverCHRISTOPHER RITCHIE
AvalancheY

General Observations

See full observation here:https://www.avalanche.ca/map?panel=mountain-information-network-submissions/9174a8c9-ac5c-4c1e-8cdd-3570fc2b8b96

 
Date2018-12-21
LocationHaines
ObserverErik Stevens
AvalancheN

General Observations

5-mile creek area: New storm snow is right-side up and appears to be well bonded. As we ventured above treeline however, felt some areas of slabby  wind-affected snow. Also observed notable hollowness/punchy-ness about 1 meter deep, apparently old facets above the old rain crust. Stability felt good in many areas below treeline but we were…

 
Date2018-12-20
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

Lutak Zone: Dug a pit for depth 128cm at ~2,400' on NE aspect 30cm of new snow on a thin crust that supports skis, with ski pen 30cm and boot pen 90cm which drops down to another supportive rain crust. Snowpack was overall saturated and rounding. At the ground were hard frozen melt forms. Didn't perform any…

 
Date2018-12-15
LocationHaines
ObserverAndy Hedden
AvalancheN

General Observations

Great snow at Three Guardsman on Saturday. Skied Northwest aspect (facing the highway). Dug hasty pit near the top of the first pitch. 1 meter +/- deep, top 5 cm sheared when isolating the back of the column. The rest of the pack is consolidated till it weakens at the very bottom. No results with…

 
Date2018-12-14
LocationHaines
ObserverJeff Moskowitz
AvalancheN

General Observations

Windpacked powder boot pen ~70cm and ski pen ~20cm with evidence of wind scouring/loading on N-aspect 3,000-3,7000ft. Snowpack depth varied up to 120cm with new snow between 65-75cm. At 13:30 temps were -11C air, -14C surface, -11C 20cm, calm winds and clear skies. 5cm of depth hoar around rocks and at the bottom of the snowpack,…

 
Date2018-12-01
LocationHaines
ObserverJonny Bomber
AvalancheN

General Observations

Great snow at the pass. Recorded 3 natural slab avalanches on a variety of aspects, although confined to steep cross loaded aspects. Guessing they ran during the precip event on the 26th. In sheltered valleys surface hoar is growing tall, elsewhere the new snow is faceting near the surface. Quick pit revealed some easy shears…

 
Date2018-11-17
LocationHaines
ObserverJonny Bomber
AvalancheN

General Observations

Sunny Bunny zone: Coverage is improving, especially through the willows where skiing was possible both from and to the car. We found surprisingly good snow through most aspects and elevations, mostly made possible by 6-10cm of wind buffed, recycled powder (near surface facets). Snowpack depth ranged from 25-120cm. Deepest snow is found along sheltered north…

 
Date2019-11-23
LocationHaines
ObserverErik_Stevens
AvalancheN

General Observations

Chilkat Pass zone: Sunny Bunny (peak north of Nadahini). Clear skies, calm winds, 14 degrees F. SE aspect at 5400ft. 34-degree slope. HS=85cm. Weakness in the thin surface layers (top 5-10cm) failed easily. Below that, well-bonded mid pack all the way to the ground, consisting of a series of crusts and small-grained rounding facets. Stability…

 
Date2018-11-30
LocationHaines
ObserverJeff_Moskowitz
AvalancheN

General Observations

Chilkat Pass Zone: D1-D2 Loose slides viewed from the road on the SW side of Three Guardsmen at 4,000 - 4,500ft likely storm snow - that ran during the precip event earlier in the week - over cliff bands and un-supported slopes. At 5,500ft on a SE-aspect, HS120cm, temp -16F. Several rain crusts down 20cm,…