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Forecast Links
Avalanche Risk (Local)
View Local Report - 18/08/2018
21/08/2018 17:53hrs
(Above 1800m)
Dangerous conditions, conservative decision making essential!
(1200m - 1800m)
Heightened avalanche conditions on specific terrain features.
(Below 1200m)
Generally safe, watch for unstable snow on isolated terrain features.
Mountain Conditions
General Conditions (Updated 1107hrs Sun 19th August, 2018):
Slow going on new snow (10-20cm up to 1500m, 30-40cm above). Storm-slab is definitely present above 1500m (20cm - 100cm) and could be particularly reactive to climber/skier loading in steeper terrain and on convex rolls and near edges, east, west and south aspects seemed to be its home - best avoided, as further weak layering was discovered deeper in pack and could fail once slopes start moving (see pit analysis HERE). There was considerable face deload activity on solar northern aspects yesterday up to Class 2.5 initiating as point releases at 1800-1900m. Cornices have also grown in the last storm-cycle!

Another NW storm is due in on Monday, including low level snowfall; current instabilities combined with a deep wet snow-pack at altitude will probably conspire to create a period of wet snow avalanche activity for the next few days!

I have been completely rewriting the "Arthur's Pass Climbing Guide", this is a huge project; most of the beta in it comes from the 1990's when I was young, stupid, had little fear (and many less climbing injuries), and we had not been rattled severely by so many route damaging earthquakes; it definitely needs updating and correction. To assist with this I have placed the entire updated guide online HERE, feel free to comment on routes, or provide climbing topos, as I've run out of time to complete these at present.

Cheers - Graeme -
  • Upper Otira Valley (E Aspect, 1800m)(AVO) 18/08/2018
    Upper Otira Valley (E Aspect, 1800m)
  • Upper Otira Valley (N Aspect, Otira Face)(AVO) 18/08/2018
    Upper Otira Valley (N Aspect, Otira Face)
  • Blimit (1921m)(New) 18/08/2018
    Blimit (1921m)
  • Mt Philistine - Philistine Ramp (1967m)(New) 18/08/2018
    Mt Philistine - Philistine Ramp (1967m)
  • Mt Philistine - Warnocks Bluff (1967m)(New) 18/08/2018
    Mt Philistine - Warnocks Bluff (1967m)
  • Mt Rolleston (2275m) - Otira Face(New) 18/08/2018
    Mt Rolleston (2275m) - Otira Face
  • Mt Rolleston (2275m) - Otira Face (Middle)(New) 18/08/2018
    Mt Rolleston (2275m) - Otira Face (Middle)
  • Mt Rolleston (2275m) - Otira Slide(New) 18/08/2018
    Mt Rolleston (2275m) - Otira Slide
  • Mt Stuart (1906m)(New) 18/08/2018
    Mt Stuart (1906m)
  • Philistine Traverse(New) 18/08/2018
    Philistine Traverse
  • Phipps Peak (1965m) - West Ridge(New) 18/08/2018
    Phipps Peak (1965m) - West Ridge
  • Mt Manson (1859m)(New) 17/08/2018
    Mt Manson (1859m)
  • Mt Misery (1765m)(New) 17/08/2018
    Mt Misery (1765m)
  • Mt Wall (1874m)(New) 17/08/2018
    Mt Wall (1874m)
  • The Dome (1938m)(New) 17/08/2018
    The Dome (1938m)
  • The Pyramid (1608m)(New) 17/08/2018
    The Pyramid (1608m)
  • Avalanche Peak (1833m)10/08/2018
    Avalanche Peak (1833m)
  • Goat Hill (1656m)10/08/2018
    Goat Hill (1656m)
  • Hills Peak (1640m)10/08/2018
    Hills Peak (1640m)
  • Mt Alexander (1958m)10/08/2018
    Mt Alexander (1958m)
  • Mt Armstrong (2110m)10/08/2018
    Mt Armstrong (2110m)
  • Mt Barron (1730m)10/08/2018
    Mt Barron (1730m)
  • Mt Rolleston (2275m) - Bealey Face10/08/2018
    Mt Rolleston (2275m) - Bealey Face
  • Mt Rolleston (2275m) - Rome Ridge10/08/2018
    Mt Rolleston (2275m) - Rome Ridge
  • Mt Tarapuhi (1605m)10/08/2018
    Mt Tarapuhi (1605m)
  • Mt Temple (1913m)10/08/2018
    Mt Temple (1913m)
  • Phipps Peak (1965m) - South Face10/08/2018
    Phipps Peak (1965m) - South Face
  • Mt Philistine (1967m)04/08/2018
    Mt Philistine (1967m)
  • Mt Rolleston (2275m) - Goldney Ridge04/08/2018
    Mt Rolleston (2275m) - Goldney Ridge
  • Mt Rolleston (2275m) - High Peak Access04/08/2018
    Mt Rolleston (2275m) - High Peak Access
  • Mt Rolleston (2275m) - Low Peak04/08/2018
    Mt Rolleston (2275m) - Low Peak
  • Mt Rolleston (2275m) - Middle Peak04/08/2018
    Mt Rolleston (2275m) - Middle Peak
  • Mt Franklin (2145m)14/07/2018
    Mt Franklin (2145m)
  • Mt Oates (2041m)14/07/2018
    Mt Oates (2041m)
  • Mt Aicken (1858m)26/05/2018
    Mt Aicken (1858m)
  • Mt Scott (2009m)26/05/2018
    Mt Scott (2009m)
  • Mt Wilson (2035m)26/05/2018
    Mt Wilson (2035m)
  • Kellys Range - Kelly Hill (1408m)13/04/2018
    Kellys Range - Kelly Hill (1408m)
  • Lyell Peak (1828m)13/04/2018
    Lyell Peak (1828m)
  • Mt Bealey (1836m) - North aspect13/04/2018
    Mt Bealey (1836m) - North aspect
  • Mt Cassidy (1850m)13/04/2018
    Mt Cassidy (1850m)
  • The Spike (1440m)07/04/2018
    The Spike (1440m)
Click Here to view the most recent condition images.

Weather Information
22 Aug

-5 / 3ºC
23 Aug

-4 / 5ºC
24 Aug

-3 / 6ºC
25 Aug

-2 / 7ºC
26 Aug

-2 / 7ºC
27 Aug

-2 / 7ºC
28 Aug

1 / 8ºC
29 Aug

2 / 7ºC
30 Aug

2 / 8ºC
31 Aug

1 / 9ºC
Click for more information
Update:22/08/18 04:00hrs
Update: 22/8/18 5:52hrs NZST
Sunrise: 7:18hrs
Sunset: 18:00hrs
Temperature: 2.7ºC  (Falling)
Temperature (Low): 1.7ºC
Temperature (High): 3.1ºC
Wind Chill: 2.7ºC
Humidity: 100%  (Stable)
Barometer: 990.05mb (Rising)
Wind Speed: 0km/h
Wind Direction: WNW
Wind Gust: 43km/h (3:34hrs)
Cloud Base: 730m ASL
Freezing Level: 1445m
Daily Rainfall: 1.27mm
Hourly Rain: 0mm/hr
24 Hour Rain: 1.52mm

Rainfall: 13.71mm
High Rain Rate:  3.1mm/hr @ 14:12hrs 20/08/2018
Temp Low:  0.1ºC
Temp High: 10.3ºC
Wind Gust:  58.0kmph @ 13:52hrs 20/08/2018
Dom.Wind Dir: West
Barometer Low: 980.6mb
Last Update: 22/08/2018 05:04
Location: Mt Rolleston (Goldney Ridge) 1800m
Snow Fall-Line: 947m
Alt. Temp: -3.9ºC
Alt. Windspeed: 2.0kmph
Alt. Av. Windspeed: 6.4kmph
Alt. Max. Windspeed: 16.1kmph
Alt. Wind Chill: N/A
Alt. 3 Day Rainfall: 2.2mm (Today: 0.0mm)
Daily Snowfall: 0.3cm
Snowfall Max. Intensity: 0.3cm/hr (04:04hrs)
Storm Snowfall (48hrs): 6.4cm
7 Day Snowfall: 30.5cm
Snowpack Depth: 230.6cm
Windslab S: 2.7cm
Windslab E: 3.7cm
Surface Stability (@ 35º): Very Poor
Avalanche Chance: 48%
2 Day
3 Day
Carrington Hut22/08/2018 - 04:05hrs0.5mm5.5mm23.5mm
Mid Poulter River22/08/2018 - 04:30hrs0.0mm0.5mm6mm
Grasmere Stn22/08/2018 - 04:05hrs0.0mm0mm2.5mm
Mt Cheeseman22/08/2018 - 04:05hrs0.0mm0mm2.5mm

Click Here to view full weather station details.

Click Here to view full snow model details.

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