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Mountaineering Summary Page

 
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Satellite
Satellite Image
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Forecast Links
Avalanche Risk (MSC)
Mountain Conditions
Sunday 25th July 2021, 07:34hrs: Already overcast with light drizzle (snowing 1750m+). Heavy rain is expected to develop from this evening; snowfalls could also lower to 1000m during this storm-cycle (Tuesday).

Climbers yesterday reported very variable snow conditions on ascents on the Main Range and sub-ranges. Soft, deep snow-drifts, to good firm cramponable snow in wind exposed areas. Snow stability was reported as OK, however deep "snow-pillows" on flanks of some high exposed ridges created issues with safe travel (glide cracks visible).


23/07/2021 21:41hrs: A mostly fine weekend ahead. Cloud increases from midday Sunday with heavy rainfall (snow 1200m+) developing by night. Rain and lower level snowfall continues into the early week, driven by gale northwest winds.

Snow conditions are variable, unconsolidated fresh snow on an icy base in many locations. Some OK cramponing where wind affected snow.

21/07/2021 21:39hrs: Snowing currently 1400m+, and has been since midday from the northwest; has become heavier in past hour. Snowfall will likely lower to 900m with a southeast wind change tomorrow morning, with heavier falls predominantly in the eastern ranges (craigieburn, torlesse). Heavy rain may develop about and west of the Divide tomorrow morning (snow fall-line on this side around 1300 - 1600m).

Yesterday saw a bout of wet slides on solar aspects, largest noticed was about Class 2 out of steep terrain features on Rolleston's Rome Ridge flank.

19/07/2021 17:00hrs: Early reports back in today indicate about 50 - 60cm of fresh snow at 1800m; most of this is unbonded to either the rock, or the rain washed ice below. General snow-line is around 1650m, but does come lower on southern aspects, or in more protected areas. The "base" is now extremely variable; there is still considerable water running off from beneath the snow-pack below 1700m. There is quite a bit of wind deposited snow on the southern sides of ridges above 1700m, it is still unclear whether this constitutes a wind-slab formation. There is also some wind deposits on some northern side aspects down to 1750m (these appear associated with ridge-lines running true east-west).

17/07/2021 12:51hrs: Now that the major part of the storm has passed, it is quite obvious the 400mm+ of rainfall hasn't done our snow-pack any favours. Snow-pack up to 1900m has been stripped away, leaving only a very shallow base (this includes the Craigieburn Range). Southern aspects are holding more snow, but this is probably undermined and quite unstable. After some further rainfall today we are expecting lowering freezing levels that should deliver some fresh snow to tree-line (hopefully).

  • Avalanche Peak (1833m) - Scott's track(New) 24/07/2021
    Avalanche Peak (1833m) - Scott's track
  • Mt Bealey (1836m) - North aspect11/07/2021
    Mt Bealey (1836m) - North aspect
  • Avalanche Peak (1833m) - Upper Avalanche track10/07/2021
    Avalanche Peak (1833m) - Upper Avalanche track
  • Avalanche Peak - Rome Ridge traverse10/07/2021
    Avalanche Peak - Rome Ridge traverse
  • Lyell Peak (1828m) - Bealey traverse10/07/2021
    Lyell Peak (1828m) - Bealey traverse
  • Mt Cassidy (1850m)10/07/2021
    Mt Cassidy (1850m)
  • Mt Rolleston (2275m) -  Crow Face10/07/2021
    Mt Rolleston (2275m) - Crow Face
  • Mt Rolleston (2275m) - Crow icefall10/07/2021
    Mt Rolleston (2275m) - Crow icefall
  • Mt Rolleston (2275m) - Rome Ridge (south aspect)10/07/2021
    Mt Rolleston (2275m) - Rome Ridge (south aspect)
  • Phipps Peak (1965m) - South Face10/07/2021
    Phipps Peak (1965m) - South Face
  • Mt Armstrong (2110m) - Northeast aspect03/07/2021
    Mt Armstrong (2110m) - Northeast aspect
  • Mt Philistine (1967m) - East aspect03/07/2021
    Mt Philistine (1967m) - East aspect
  • Mt Philistine - Warnocks Bluff (1967m)03/07/2021
    Mt Philistine - Warnocks Bluff (1967m)
  • Mt Rolleston (2275m) - Goldney Ridge03/07/2021
    Mt Rolleston (2275m) - Goldney Ridge
  • Mt Rolleston (2275m) - Otira Face03/07/2021
    Mt Rolleston (2275m) - Otira Face
  • Mt Rolleston (2275m) - Philistine Traverse03/07/2021
    Mt Rolleston (2275m) - Philistine Traverse
  • Mt Temple (1913m) - West Gully Buttress (unnamed route)03/07/2021
    Mt Temple (1913m) - West Gully Buttress (unnamed route)
  • Phipps Peak (1965m) - West Ridge03/07/2021
    Phipps Peak (1965m) - West Ridge
  • Blimit (1921m) - West Face01/07/2021
    Blimit (1921m) - West Face
  • Hills Peak (1640m)01/07/2021
    Hills Peak (1640m)
  • Kellys Range - Kelly Hill (1408m)01/07/2021
    Kellys Range - Kelly Hill (1408m)
  • Mt Rolleston (2275m) - Rome Ridge (north aspect)01/07/2021
    Mt Rolleston (2275m) - Rome Ridge (north aspect)
  • Mt Stuart (1906m)01/07/2021
    Mt Stuart (1906m)
  • Mt Temple (1913m) - West Face01/07/2021
    Mt Temple (1913m) - West Face
  • Mt Bruce (1630m) - North aspect30/06/2021
    Mt Bruce (1630m) - North aspect
  • Mt Williams (1718m) - Southwest ridge30/06/2021
    Mt Williams (1718m) - Southwest ridge
  • The Spike (1440m)30/06/2021
    The Spike (1440m)
  • Mt Aicken (1858m)29/06/2021
    Mt Aicken (1858m)
  • Mt Barron (1730m) - Southeast aspect29/06/2021
    Mt Barron (1730m) - Southeast aspect
  • Mt Philistine - Philistine Bluffs (1967m)29/06/2021
    Mt Philistine - Philistine Bluffs (1967m)
Click Here to view the most recent condition images.

Weather Information
Monday
26 Jul

1 / 6ºC
Tuesday
27 Jul

0 / 5ºC
Wednesday
28 Jul

0 / 7ºC
Thursday
29 Jul

2 / 8ºC
Friday
30 Jul

1 / 10ºC
Saturday
31 Jul

1 / 10ºC
Click for more information
Update:26/07/21 06:30hrs
 
LATEST DAILY READINGS
Update: 26/7/21 6:28hrs NZST
Sunrise: 7:53hrs
Sunset: 17:31hrs
Temperature: 5.4ºC  (Falling)
Temperature (Low): 4.9ºC
Temperature (High): 5.7ºC
Wind Chill: 5.4ºC
Humidity: 63%  (Falling)
Barometer: 994.25mb (Falling)
Wind Speed: 0km/h
Wind Direction: NW
Wind Gust: 31km/h (0:00hrs)
Cloud Base: 730m ASL
Freezing Level: 1861m
Daily Rainfall: 5.33mm
Hourly Rain: 0mm/hr
24 Hour Rain: 10.92mm
Rain Days (2021): 85 / 206 (41%)

THIS STORM CYCLE (23hrs)
Rainfall: 13.2mm
High Rain Rate: 1.4mm/hr @ 1:53hrs 26/7/21
Temp Low: 4.7ºC @ 9:00hrs 25/7/21
Temp High: 7.9ºC @ 20:00hrs 25/7/21
Wind Gust: 29kmph @ 12:33hrs 25/7/21
Dom.Wind Dir: North
Barometer Low: 996mb @ 6:01hrs 26/7/21
SNOW MODEL
Last Update: 26/07/2021 06:04
Location: Mt Rolleston (Goldney Ridge) 1800m
Snow Fall-Line: 1367m
Alt. Temp: -1.4ºC
Alt. Windspeed: 0.0kmph
Alt. Av. Windspeed: 0.0kmph
Alt. Max. Windspeed: 0.0kmph
Alt. Wind Chill: N/A
Alt. Air Pressure: 794hPa
Alt. 3 Day Rainfall: 7.7mm (Today: 2.8mm)
Daily Snowfall: 2.7cm
Snowfall Max. Intensity: 0.9cm/hr (01:04hrs)
Storm Snowfall (23hrs): 3.2cm
7 Day Snowfall: 43.7cm
Snowpack Depth: 155.8cm
Windslab S: 3.5cm
Windslab E: 4.0cm
Surface Stability (@ 35º): Very Poor
Avalanche Chance: 60%
REMOTE WEATHER STATIONS
 
Location
UpdatedToday's
Rainfall
2 Day
Rainfall
3 Day
Rainfall
Carrington Hut26/07/2021 - 04:58hrs7.5mm23mm23mm
Mid Poulter River26/07/2021 - 05:00hrs0.0mm0.5mm0.5mm
Grasmere Stn26/07/2021 - 05:00hrs1.0mm1mm1mm
Mt Cheeseman26/07/2021 - 05:00hrs1.0mm1mm1mm

Click Here to view full weather station details.

 
Click Here to view full snow model details.

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