17 Jul 2023

July 17, 2023

      AVALANCHE ACTIVITY:

      Na wet avalanche, 2023/07/15. 24 hrs old. Taranaki, NZ.                                    Don Paterson Pic


      Na wet slab, 2023/07/14, within 24 Hrs. Fiordland, NZ.                            Dylan Craaybeek Pic 


      Sa Sz 0.5 wind slab, Remarkables NZ. 2023/07/14


      Sz 1.5 Dry loose Portillo, Chile. 40 cm of new snow. 2023/07/14.



      WEATHER PAST WEEK:

      Monday July 10, 2023. 13:00 Hrs.  +14 Deg C with a 15-30 KPH SW wind at 1835 m.


     13:00 Hrs Monday. +25 Deg C.


      Tuesday July 11, 2023. 12:00 Hrs. 



      12:00 Hrs Tuesday. +20 Deg C.


      Wednesday July 12, 2023. 13:00 Hrs. +11 Deg C with a 15-20 KPH SW wind at 1835 m.


      13:00 Hrs Wednesday. +22 Deg C.

      Thursday July 13, 2023. 12:00 Hrs. +11 deg C with a 10-15 KPH West wind at 1835 m.



     12:00 Hrs Thursday. +23 Deg C.

      Friday July 14, 2023. 14:00 Hrs. +16 Deg C with a 20-30 KPH West wind at 1835 m.


      14:00 Hrs Friday.

      Saturday July 15, 2023. 12:00 Hrs. +16 Deg C with a 8-15 KPH SSW wind at 1835 m.


      12:00 Hrs Saturday. +29 Deg C.

      Sunday July 16, 2023. 13:00 Hrs. +15 Deg C with a 15-30 KPH ESE wind at 1835 m.


      13:00 hrs Sunday. 1 mm of precipitation since June 27, 2023.




Weather Observations for July 17, 2023 taken at 06:00 Hours.

2280 meters     +4, Winds were 30-50 KPH S--Horstman Hut
1860 meters     +7, Winds were 10-20 KPH S--Rendezvous  
1650 meters     +9, 0 mm in 12 Hrs, 0 mm in 24 Hrs.--Pig Alley
1570 meters   +10, 0 mm in 12 Hrs, 0 mm in 24 Hrs.--Catskinner
  660 meters   +15, Valley Temp, Max temp Yesterday was +26.4, 0.0 mm of precip yesterday.


     
      As of 06:00 Hrs there was broken cloud with unlimited visibility.



FORECAST:

Finally some possible moisture today with an upper trough in a South Westerly flow aloft. Chance of showers today in a mix of sun and cloud. Not enough moisture to make much of a difference. Depending on models we could see 0-4 mm but with the track record lately 0-trace is more likely.  From the satellite images there will be rain to the North. The FL is hovering around 3000 m this am. Ridging for the week with mostly sunny skies. Some cloud in the mix as well. May see an increase in cloud cover next Saturday but that is a ways off. Continuing drought in the immediate future. Guesstimates: 0-4 mm by Tuesday am, 0 mm from Tuesday to Saturday. 0-trace by Sunday am. Looking dry again next week.



      Visible and IR Image from this am.


      Windy Image 2023/07/17. 05:00 Hrs.


        Upper level trough for Monday. 


      Periods of light precipitation possible Monday?? Moisture could go North.



      South Westerly flow aloft.



       Upper level ridge building for Tuesday. Mix of sun and cloud. Seasonable temps.


      Mix of sun and cloud for Tuesday.



       Ridge strengthens Wednesday. Some cloud in the pm. Above average temps.


      Dry and warm across much of the province.



      Ridge for Thursday. Above average temps.



      Sunny skies for Thursday.


      Sunny skies for Friday. Low may cool the temps down a bit.

     Onshore flow with a mix of sun and cloud Saturday, slightly above average temps. Showers??


       Low will send some cloud into the zone Sunday. Seasonable temps but drought continues.

      INFORMATION AND OBSERVATIONS:

      Not much snow left in Blackcomb Bowl. Monday pm.

      Air quality much better on Tuesday.


      Cloud moved in by 08:30 Hrs Wednesday. +10 Deg C with a 4-8 KPH NE breeze at 2280 m.


      Dark clouds Thursday pm but still dry! 0.0 mm recorded at 660 m.

      Very smokey in North Central BC. 






       Georgian Bay Friday evening!

      Horstman Glacier Saturday 12:30 Hrs. +15 Deg C with a 15-25 KPH SE wind at 2100 m.

      17:30 Hrs Saturday. +18 Deg C with a 20-40 KPH West wind.


      Sunday 19:45 hrs. Cloud to the South.



SHORT CLIPS:

Avalanche: K2

High Speed Mtn Bike: Crash

Switching Lanes: Bike Surfing

Sand: Skiing


ARTICLES:

July 2023 El Nino Update: NOAA

Deadly summer avalanches in California: PlanetSki

MSC Backcountry Conditions report July 14, 2023: Australia

Val Cenis Ski Resort introduces Europe's first weather guarantee: France

Malmstrom team diffuses unexploded avalanche round at Yellowstone: Wyoming

BC warns of summer drought and asks people to conserve water: CBC News



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