September 18, 2023

      AVALANCHE ACTIVITY:

      Sz 3 Na PWL Aoraki Area, NZ. 2023/09/14. Instagram report below. 

       Avalanche Control Cerro Cathedral, Argentina. 2023/09/12. Instagram post below.

      Inbounds avalanches in Las Lenas, Argentina, 2023/09/11. Instagram post below.   Luke Stone Pic

      Sz 3 Na after rain event, Aoraki Area, NZ. 2023/09/10?. NZAA Public Observation below. 

      Deposit from above Sz 3 Na.

      WEATHER PAST WEEK:

      Monday September 11, 2023. 12:00 Hrs. +8 Deg C with a 5-15 KPH ESE wind at 1835 m.

     12:00 Hrs. Monday. +14 Deg C. Raining lightly. 2.5 mm recorded at 660 m from 0-24 Hrs.

      Tuesday September 12, 2023. 12:00 Hrs. +6 Deg C with a 5-15 KPH ESE wind at 1835 m.

     12:00 Hrs Tuesday. +13 Deg C. Rain Showers. 0.3 mm recorded at 660 m.

      Wednesday September 13, 2023. 12:00 Hrs.

      12:00 Hrs Wednesday. +17 Deg C in the valley.

      Thursday September 14, 2023. 13:00 Hrs. +13 Deg C with a 5-10 KPH WNW wind at 1835 m.

     13:00 Hrs Thursday. +23 Deg C.

      Friday September 15, 2023. 12:00 Hrs. +16 Deg C with a 10-25 KPH SE wind at 1835 m.

     12:00 Hrs Friday. +23 Deg C. High of 27.5 Deg C.

      Saturday September 16, 2023. 16:00 Hrs. Note the fire in the background!

      16:00 Hrs Saturday. +25 Deg C in the valley. 

      Sunday September 17, 2023. 12:00 Hrs. +8 Deg C with a 5-20 KPH SE wind. Smoke in the air!

     12:00 Hrs Sunday. +17 Deg C. Could smell smoke!

Weather Observations for September 18, 2023, taken at 06:00 Hours.

2180 meters       0, Winds were 30-40 KPH SSW--Whistler Peak

1835 meters     +2, Winds were 20-35 KPH SSW--Roundhouse  

1650 meters     +4, 13.2 mm in 12 Hrs, 13.9 mm in 24 Hrs.--Pig Alley

1570 meters     +3,   8.5 mm in 12 Hrs,   8.8 mm in 24 Hrs.--Catskinner

  660 meters   +10, Valley Temp, Max temp Yesterday was +17.5, 0.2 mm of precip yesterday.

     

      As of 07:00 Hrs we have a mix of sun and cloud with unlimited visibility.

FORECAST:

Departing cold upper level low will bring a mix of sun and cloud today in Westerly flow aloft switching to Northerly as the day progresses with some dirty ridging. The FL is hovering in the 2200 m zone. Possibility of some isolated showers in the am. Unsettled into Tuesday with another weak impulse of moisture Tuesday pm/night. Dries out Wednesday with lingering cloud in the am and a mix of sun and cloud for most of the day.. Looks like ridging with sunny skies for Thursday into Friday. An approaching weak trough will likely bring cloud to the zone for Friday night with more moisture in the mix.  Cloudy cool weather with some showers on Saturday into the weekend.  Guesstimates: 0-trace by Tuesday am, 1-5 mm by Wednesday am, Snow in the upper elevations. 0 mm by Thursday am, 0 mm by Friday am, 2-4 mm by Saturday am, 5-10 mm by Sunday am. Some models are calling for a wet weekend.

      GOES VIS/IR Image from this am.

      WINDY IMAGE 2023/09/18. 06:00 Hrs.

     Dries out Monday, mix of sun and cloud. Seasonable temps, a bit on the cool side.

      Westerly flow transitioning to Northerly flow aloft.

        Cool weak upper low for Tuesday with some rain and cooler temps.

      Periods of light precipitation Tuesday pm.

       Dirty ridging for Wednesday with seasonable temps. Mix of sun and cloud.

      Dries out for Wednesday.

       Ridge builds in for Thursday with sunny skies. Above average temps.

      High for Thursday with sunny skies.

      Sunny skies Friday with a weak front arriving Friday night. May see some showers.

      Deep low moves down the coast with cooler wet weather arriving Saturday night.

       Low will bring mostly cloudy skies Sunday with moisture in the mix at some point..

      Long range looks like potential for some real rain next week. Fall Weather, we are due!

      INFORMATION AND OBSERVATIONS:

      Rain showers Monday 08:15 hrs. +8 Deg C with a 15-30 KPH ESE wind at 1860 m.

      Breaks in the cloud 18:00 hrs Monday. From 06:00 Hrs to 18:00 Hrs 7.1 mm at 1650 m.

      08:00 Hrs Tuesday. +6 Deg C with a 5-15 KPH South wind.

      08:00 Hrs Wednesday. +5 Deg C with a 5-10 KPH ESE wind at 1860 m. 

      08:00 Hrs Thursday. +8 Deg C with a 0-5 KPH NE Breeze. Smoke lingering to the North.

      08:00 Hrs Friday. +11 Deg C. Inversion!  

      08:00 Hrs. Saturday +9 Deg C. Fires burning Northeast of Pemberton.

       Smoke above the Birkenhead Valley Saturday am from the Spetch Creek Fire.

      Significant glacial recession in the past 5 years.

      Spetch Creek fire Saturday 16:00 Hrs. Flammagenitus Cloud, also called Pyrocumulus Cloud.

      Many out of control fires in the area. Bring on the rain!!!

      08:00 Hrs Sunday. +6 Deg C with a 10-20 KPH SE wind at 1860 m. 

      Some moisture arrived around 15:00 Hrs Sunday.

      65 Days until the planed opening at WB.

SHORT CLIPS:

Powder Turns: Argentina

Powder Turns: Chile

Glacier Melt brings Rock Slides: Switzerland

INSTAGRAM POSTS FROM NEW ZEALAND & SOUTH AMERICA:

Large Avalanche visible from Las Lenas: 2023/09/17

Sz 3 Na PWL 2023/09/14: New Zealand

Avalanche Control 2023/09/12: Portillo, Chile

After a 2.5m snowfall in 24 hours at Las Lenas: Inbounds Avalanches 

Partial Burials Cerro Cathedral 2023/09/12: Argentina

Avalanche Control results,--Cerro Cathedral, 2023/09/12: Argentina

Avalanche Control-- Cerro Cathedral, 2023/09/12: Argentina

Heuristics and Avalanche Safety: NZAA

ARTICLES & CLIPS:

Sz 3 Na Public Observation, spring cycle from Mt Cook Area: New Zealand

Avalanche Education needs more women: Colorado Sun

Will the new month bring a pattern change as we head into El Nino season: SWE

The Polar Vortex and the upcoming winter: Severe Weather Europe

Can drones assist in snow and avalanche studies: TS2 

Gas spotted rising from ground at Black Tusk: You Tube