Mega Thread Winter's Snowed-In BBQ Forum

Discussion in 'Weather' started by POW_hungry, May 31, 2017.

  1. POW_hungry

    POW_hungry Addicted Member
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    1st June... worth benchmarking our climatic standpoint.

    SOI: 0.3+ (30 day value)


    AAO/SAM: +1.3 (trending neg)


    IOD: +0.33C
     
    #1 POW_hungry, May 31, 2017
    Last edited: May 31, 2017
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  2. rocketboy

    rocketboy Dedicated Member
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    Cape Town cuts back to survive worst drought in 100 years

    Cape Town (AFP) June 1, 2017

    As Cape Town suffers its worst drought in a century, residents have been told to restrict showers to two minutes and flush toilets only when "absolutely necessary".

    The city -- South Africa's biggest tourist hotspot -- and the surrounding Western Cape province have been declared a disaster area by the local government, with just 10 percent of usable water left in the dams supplying the area.

    Two hours from the city, Theewaterskloof Dam, the main source of water for Cape Town, has been reduced to a flat and sandy desert, with the petrified remains of orchards flooded when the dam was built in the 1970s standing starkly under the sun.

    At the local watersports club, exposed moorings reveal where sailboats once floated. The long slipway now ends about 30 metres (100 feet) from the water's edge.

    "I've worked here for about 20 years and I've never ever seen the dam this low," club secretary Lise Wheeler told AFP.

    For Cape Town residents, the drought has let to a gradual escalation of restrictions, from the limits on splashing at public pools earlier this year to the current complete ban on topping-up swimming pools or watering gardens.

    The newest restrictions limit residents to 100 litres (22 Imperial, 26 US gallons) per person per day and rule out its use for anything other than cooking, drinking and essential cleaning.

    Last week Virgin Active, a health club operator, said it would close saunas and steam rooms at its gyms across the province.

    "The best strategy to manage a drought effectively is to manage demand, which is what we are doing," city councillor for water Xanthea Limberg told AFP.
     
  3. Alfred14

    Alfred14 Active Member

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    Good, bad or neutral standpoint?
     
  4. POW_hungry

    POW_hungry Addicted Member
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    We're in neutral territory for most (all?) of the ENSO/climate indicies so I think that's a start. I see most HERE, are suggesting average seasons and I think that's a fair call considering there's no real show stoppers, or anything that supports huge falls for the next few months for that matter.
     
  5. POW_hungry

    POW_hungry Addicted Member
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    http://www.weatherzone.com.au/news/adelaide-early-season-cold-spell-not-seen-for-a-century/526445
    [​IMG]
     
  6. janesweather

    janesweather Dedicated Member

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    So, I decided to try and show how deep it is on Bourke St tonight



    It's deeper.

    And I'm currently falling asleep to the sound of snow guns.... ive missed that
     
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  7. snowblowa

    snowblowa Dedicated Member

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    About 15cents at 1670m... surprisingly windy...
    (CC, ok to post this stuff in here?)
    [​IMG]

    [​IMG]
     
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  8. DiscoStuAU

    DiscoStuAU Dedicated Member
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    Love your passion Jane, really do.

    PS thanks for sharing one of my instagram photos on the news. I missed it but friends excitedly told me about it.
     
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  9. POW_hungry

    POW_hungry Addicted Member
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    MJO cheated it's way around the EQ and now it's back in our field of influence, looking strong.
    *This was progged to happen by EC over a week ago. Looks strong on the models too.
    [​IMG]
     
  10. snowblowa

    snowblowa Dedicated Member

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    So I stumbled down from swindlers today, onto the cat track, under road runner and down to heavenly bottom.
    Snowmaking areas have big 40cent whales, rest of the open ground is not too shabby, another foot and a bit and a LOT of terrain will open. Gotcha and Orchard looks nicely coated, perhaps a foot across the board.
    Spoke to some snowmaking technicians half way down heavenly, said summit, road runner and village loop will open next weekend on snowmaking alone...
    Here's a few snaps off my phone...

    [​IMG]

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    ❄️
     
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  11. Alfred14

    Alfred14 Active Member

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    Looking good, i just hope this great start doesn't get wasted by a large rain event
     
  12. Karicta

    Karicta Dedicated Member
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    Wash your mouth out
     
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  13. POW_hungry

    POW_hungry Addicted Member
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    Says it all really.
    [​IMG]
    I'll be honest; EC ensemble and even GFS doesn't map much for the next couple of weeks.
    If it's any consolation CFS suggests a more westerly flow towards the end of June. CFS certainly suggesting a slow start to the season.
     
    #13 POW_hungry, Jun 2, 2017
    Last edited: Jun 2, 2017
  14. Claude Cat

    Claude Cat Gone Fishing
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    If you want to dream about up coming systems ...

    [​IMG]

    Of course, at 312 hours, you've got a better chance of winning a lottery!
     
  15. POW_hungry

    POW_hungry Addicted Member
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    Stratospheric warming over the next week looks to slow polar flow/jets according to EC & GFS.

    To me, this is looking like a 'minor' SSW event.
    I wish I had 10mb anoms for South Pole. Anyone?
     
    #15 POW_hungry, Jun 2, 2017
    Last edited: Jun 2, 2017
  16. Jellybeans1000

    Jellybeans1000 Dedicated Member
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    I don't have the charts, but this might interest you.
    [​IMG]
    Grey Line- Average
    Black Line- Observations

    This and other stratospheric graphs here:
    http://ds.data.jma.go.jp/tcc/tcc/products/clisys/STRAT/

    Currently colder than average polar vortex, and only getting colder.
     
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  17. POW_hungry

    POW_hungry Addicted Member
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    Yeah, I've been monitoring via JMA. This is only useful if the SSW event is splitting the Polar Vortex, which is the most common form for the Northern Hem. Not so on this occasion, it seems.
     
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  18. POW_hungry

    POW_hungry Addicted Member
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    Looking moreso the case of a minor SSW, here:


    What does that mean? Well, history says following a SSW event there is often a sudden shift in the Polar Vortex (over 2-3 weeks), which stems from the impact of upper-level waves as a result of an SSW event - in short the Polar Vortex is often thrown out of equilibrium and we start seeing high amplitude waves (nodes) affecting the mid-lats.
    Perhaps @janesweather or @jwx has some more input here?
     
    #18 POW_hungry, Jun 2, 2017
    Last edited: Jun 2, 2017
  19. jwx

    jwx Dedicated Member

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  20. POW_hungry

    POW_hungry Addicted Member
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    Perisher cooking @ 4.2C (+5C in the last hour). That snowmaking 'base' on Front Valley won't last a week IMO.
     
  21. POW_hungry

    POW_hungry Addicted Member
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    Obvs there's time to clear things up but GFS puts a sink-hole of pineapple moisture ahead of the main feature on the 14/15th.
    [​IMG]
     
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  22. Kletterer

    Kletterer Addicted Member
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  23. 1st_King_of_QBN

    1st_King_of_QBN Well-Known Member

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    Long time to play out. Last year's deluge that culminated in the formation of Lake Perisher proved to me how much of a beating the base can take.
     
  24. Cuddles

    Cuddles Active Member

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    Plenty more weather to come. Perisher will keep topping up , every night is good at this stage, going to be FV for awhile yet though
     
  25. POW_hungry

    POW_hungry Addicted Member
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    Minor detail; there is currently no natural base.
     
  26. Outlooker

    Outlooker Active Member

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    Temps dropping rapidly in the evening so they should get 12 hours snow making every night. Temps are warm during the day but the days are short. On snowmaking alone Perisher should get Mid Express open and probably happy valley for next weekend. Even 10cm would be good to keep the ground cooling and top up the current run. Just hope no r@$&
     
  27. Kletterer

    Kletterer Addicted Member
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    Looks slightly brutal on the approach here on GFS .
     
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  28. POW_hungry

    POW_hungry Addicted Member
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    Storm Porn (relative of Levi from TropicalTidBits perhaps?)
     
    #28 POW_hungry, Jun 3, 2017
    Last edited: Jun 4, 2017
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  29. SnowBound

    SnowBound Dedicated Member

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    that's very very cool
     
  30. Claude Cat

    Claude Cat Gone Fishing
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  31. POW_hungry

    POW_hungry Addicted Member
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    EC staying with a block, even though it's more the lead-up (14th).
    [​IMG]
     
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  32. POW_hungry

    POW_hungry Addicted Member
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    GFS staying with the 15th, EC looks to be starting to come around with a shift of the blocking high. Still a long way to go.

    GFS solid with tropical influence (16th).

    EC with a shift of the High into the Tasman (15th) and building front under WA.
     
  33. Karicta

    Karicta Dedicated Member
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    I think it's time the Australian ski industry bit the bullet and moves Tassie a few hundred k's east
     
  34. POW_hungry

    POW_hungry Addicted Member
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    ... and south, whilst they're at it. Ohh and higher. Thanks.
     
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  35. DiscoStuAU

    DiscoStuAU Dedicated Member
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    Such doom and gloom. The seasons only just begun and we all know how fickle our season is.

    All we need are a few good systems and we are set. Chill
     
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  36. Hermon

    Hermon Dedicated Member

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    AAO forecast looks rather rubbish for the next week or two.

    On a happier note, global 2m temp anomaly has gone from +0.6c to +0.28c in the past week or so.
     
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  37. Karicta

    Karicta Dedicated Member
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    Now you're just being silly
     
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  38. POW_hungry

    POW_hungry Addicted Member
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    GFS 00Z pointing at some danger.
    [​IMG]
     
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  39. cookieman

    cookieman Dedicated Member
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    ECL with a full gut of pineapples?
    Still a long way out.
     
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  40. Hermon

    Hermon Dedicated Member

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    Latest POAMA forecast is all very neutral in ENSO and IOD land. http://www.bom.gov.au/climate/poama2.4/poama.shtml

    IOD is slightly on the +ve side, and I think this will be the significant driver of what happens this winter. A cool but dry winter which will keep the snowmaking machines working flat out, IMO.
     
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  41. POW_hungry

    POW_hungry Addicted Member
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    RE: IOD.
    To highlight it's neutral-positive. If it were >+0.4, above the neutral threshold, then the affects would be than more than likely cool/dry. The neutral range kinda indicates it's neither here nor there and minor effects might be felt.
     
  42. Hermon

    Hermon Dedicated Member

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    A very big pinch of salt. But this year just feels so 1989 to me. A slow but cold start, then a great August (especially in Vic), IMO. That's the vibe I'm getting....
     
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  43. rocketboy

    rocketboy Dedicated Member
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    Best "Pineapple" ever. No rain on the mountain. No ECL - weather hugging the coast while heading north and out to the east.

    Meanwhile it was chains at Sawpit and Freshies on front valley this monring. With some snow falling at the Cooma/Braidwood backroad pass at 4000 feet while heading home around 1pm this afternoon. A truly perfect day.

    The seasonal vibe is good.
     
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  44. POW_hungry

    POW_hungry Addicted Member
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    I knew Deua would see something! Was it settling? Seemed heavy on the radar.
     
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  45. rocketboy

    rocketboy Dedicated Member
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    Na was just melting on impact. Only light precip - enough to keep the dirt down without turning into a mud bath. Might settle overnight if more keeps coming through at low temps.
     
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  46. nfip

    nfip Part of the Furniture
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    Top of the Badja is >1200m ish fwiw.
    Noticed it was copping it early this arvo.
    Still looks to be getting hosed.
     
  47. POW_hungry

    POW_hungry Addicted Member
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    PV begins to shake this blocking pattern after the 14/15JUN, and although it looks like it might result in a bit of ridging across the sub-trops of Aus some good weather-driver winds look to reestablish the return of some SW'lies IMO.
     
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  48. rocketboy

    rocketboy Dedicated Member
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  49. Ozgirl

    Ozgirl Dedicated Member
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  50. jwx

    jwx Dedicated Member

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    L/R the next decent trough to break the current ridge pattern is about 10 days away, as per the usually reliable EPS.

    This would tie in with the current modelling of the lifting of the mei-yu front forcing from the n-h


    [​IMG]
     
    #50 jwx, Jun 7, 2017
    Last edited: Jun 7, 2017