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Avalanche Risk (Local)
| 16/05/2021 11:37hrs |
HIGH ALPINE
(Above 1800m) |
CONSIDERABLE
Dangerous conditions, conservative decision making essential! |
ALPINE
(1200m - 1800m) |
MODERATE
Heightened avalanche conditions on specific terrain features. |
SUB ALPINE
(Below 1200m) |
No Rating
Not enough snow on ground to create avalanche conditions |
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Mountain Conditions
Tuesday 18th May 2021, 08:18hrs: Today's (Tuesday) snowfall has lowered to about 800m; not so much has fallen; about 10cm of fresh has fallen at 1800m on the Main Range atop preexisting snow-pack (10-15cm); northerly winds are creating some drifting.
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17/05/2021 07:35hrs: Snowfall yesterday lowered to 1500m, but then retracted to back to 1700m with some rainfall below this level. Another storm develops later today (currently OK) followed by progressively lowering snowfall to 800m by tomorrow (Tuesday).
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16/05/2021 07:31hrs: Stormy weather continues. Further heavy rain is likely today followed by progressively lowering snowfall to 800m by Tuesday. Snowing currently 1600m+.
Great quantities of fresh snow were scoured off last Friday night in galeforce winds and heavy rain. Ground temperatures above 1950m could now potentially start holding snow.
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12/05/2021 09:14hrs: Only a dusting (3-5cm) of fresh snow across the Main Range and sub-ranges this morning (lowered to 800-1000m); potentially a bit more may arrive as its now socked in again.
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10/05/2021 07:45hrs: Substantial, high level heavy rain arrived over the weekend, this successfully stripped back most remaining fresh snow across the Main Range. Rivers remain high or in flood this morning. Further heavy rain should develop tonight (Monday) with heavy rain through Tuesday; this will turn to low level snowfall (700m) by Tuesday night, and further lower to 600m by Wednesday morning before clearing. About 2 - 12cm is expected at lower level (the greater depths towards Porters Pass), however 20-35cm is likely at altitude.
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 28/04/2021 Avalanche Peak (1833m)
 28/04/2021 Hills Peak (1640m)
 28/04/2021 Mt Barron (1730m) - Southeast aspect
 28/04/2021 Mt Cassidy (1850m)
 28/04/2021 Mt Philistine - Philistine Bluffs (1967m)
 28/04/2021 Mt Philistine - Warnocks Bluff (1967m)
 28/04/2021 Mt Rolleston (2275m) - Bealey Face
 28/04/2021 Mt Rolleston (2275m) - Goldney Ridge
 28/04/2021 Mt Rolleston (2275m) - Rome Ridge
 28/04/2021 Mt Temple (1913m) - West Face
 28/04/2021 Phipps Peak (1965m) - South Face
 27/04/2021 Castle Hill Peak (1998m)
 27/04/2021 Craigieburn Range
 07/04/2021 Mt Armstrong (2110m) - Southeast aspect
 07/04/2021 Mt Lancelot (2112m) - North aspect
 07/04/2021 Mt Philistine (1967m) - South aspect
 07/04/2021 Mt Rolleston (2212m) - Low Peak
 07/04/2021 Mt Rolleston (2275m) - High Peak Access
 07/04/2021 Mt Rolleston (2275m) - Otira Face (High Peak)
 07/04/2021 Mt Rolleston (2275m) - Otira Face (Middle Peak)
 07/04/2021 Mt Rolleston (2275m) - Otira Face Couloir
 07/04/2021 Mt Rolleston (2275m) - Philistine Traverse
 24/03/2021 Mt Williams (1718m) - Gunbarrel Scree route
 24/03/2021 Mt Williams (1718m) - Southwest ridge
 24/03/2021 The Dome (1938m)
 24/03/2021 The Spike (1440m)
 22/03/2021 Blimit (1921m)
 22/03/2021 Mt Rolleston (2275m) - Middle Peak (Otira Face)
 22/03/2021 Mt Rolleston (2275m) - Otira Slide
 22/03/2021 Mt Rolleston (2275m) - Upper Waimakariri Approaches
Weather Information
Tuesday
18 May
0ºC | Wednesday
19 May
1 / 6ºC | Thursday
20 May
2 / 7ºC | Friday
21 May
-3 / 7ºC | Saturday
22 May
-2 / 8ºC | Sunday
23 May
-2 / 10ºC | Click for more information
Update:18/05/21 16:30hrs |  |
LATEST DAILY READINGS
Update: 18/5/21 16:24hrs NZST
Sunrise: 7:42hrs
Sunset: 17:16hrs
Temperature: 3.2ºC
(Falling)
Temperature (Low): 0.7ºC
Temperature (High): 5.9ºC
Wind Chill: -2.3ºC
Humidity: 83%
(Rising)
Barometer: 995.91mb (Rising)
Wind Speed: 19km/h
Wind Direction: WNW
Wind Gust: 95km/h (14:57hrs)
Cloud Base: 3355m ASL
Freezing Level: 1522m
Daily Rainfall: 12.19mm
Hourly Rain: 0mm/hr
24 Hour Rain: 15.49mm
Rain Days (2021): 55
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SNOW MODEL
Last Update: 18/05/2021 16:04
Location: Mt Rolleston (Goldney Ridge) 1800m
Alt. Temp: -1.1ºC
Alt. Windspeed: 34.3kmph
Alt. Av. Windspeed: 18.4kmph
Alt. Max. Windspeed: 34.3kmph
Alt. Wind Chill: -8.3ºC
Alt. Air Pressure: 794hPa
Alt. 3 Day Rainfall: 44.6mm (Today: 0.1mm)
Daily Snowfall: 7.4cm
Snowfall Max. Intensity: 3.4cm/hr (01:04hrs)
Last Snowfall: 1 days ago
7 Day Snowfall: 26.4cm
Snowpack Depth: 19.2cm
Windslab S: 6.9cm
Windslab E: 0.8cm
Surface Stability (@ 35º): Very Poor (Warning: Slab present!)
Avalanche Chance: 36%
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| REMOTE WEATHER STATIONS |
|---|
Location | Updated | Today's
Rainfall | 2 Day
Rainfall | 3 Day
Rainfall |
|---|
| Carrington Hut | 18/05/2021 - 15:00hrs | 22.0mm | 27mm | 77mm |
| Mid Poulter River | 18/05/2021 - 15:00hrs | 13.5mm | 14mm | 43mm |
| Grasmere Stn | 18/05/2021 - 15:00hrs | 8.5mm | 8.5mm | 14mm |
| Mt Cheeseman | 18/05/2021 - 15:00hrs | 8.5mm | 8.5mm | 14mm |
| Goldney Ridge | 18/05/2021 - 16:43hrs | 5mm | 10mm | 104mm |
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Click Here to view full weather station details.
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