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Thread: Weather or Whether 4 NorCal Sierras

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  1. #16
    us
    Dec 2015
    South Fork Yuba River, Motherlode
    GoldBug II
    251
    492 times
    Prospecting
    seen rain in May like this, but never for days on end...the south fork is receding via Spaulding dam, but no crossing the river yet.

    was out on the bedrock yesterday in a lull..good thing I had a boulder overhang to get under.
    when the sky goes dark at 2pm...wooohoo.
    in a sad note, found an injured golden eagle yesterday..tough place to try to get someone in to get it.
    Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty or Safety.

    Benjamin Franklin
    Pennsylvania Assembly, November 11, 1755

  2. #17
    us
    Mar 2016
    Tahoe, CA
    Compadre, Gold Racer, White's TRX,Bazooka Gold Trap 24" Sniper,God Hog mats,Grizzly Gold Trap Motherload,MD App,Determination
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    This is amazing...Our snow pack is 12% larger than in 2017!!

    As of Thursday, the snowpack measured 202% of average after a barrage of storms throughout winter and spring, according to the Department of Water Resources.

    The wet weather has slowed but not stopped, with thunderstorms prompting flash flood warnings Sunday in the central and southern parts of the state.

    At this time last year, the snowpack measured 6% of average — making this year 33 times bigger than 2018, the San Francisco Chronicle reported.

    In 2017, the snowpack measured 190% of average.

  3. #18
    us
    Northern California

    Aug 2007
    Southern California
    XLT, GMT, 6000D Coinmaster
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    4521 times
    All Types Of Treasure Hunting
    Tahoegold, interesting info! What I do not hear anyone talking about is how, at least one of the gold country rivers, has been running at over 2000 cfs since almost January. It got up to 3300 last week and then went down to 2500. In 2017 the 50,000 and 40,000 events really changed the river but how they happened has not had an explanation. If it were to heat up quickly right now the flows might be significant, 30,000 cfs has been a high number for several years, till 2017............63bkpkr
    Out searching w/GMT & friend under my arm

  4. #19
    us
    Mar 2016
    Tahoe, CA
    Compadre, Gold Racer, White's TRX,Bazooka Gold Trap 24" Sniper,God Hog mats,Grizzly Gold Trap Motherload,MD App,Determination
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    Right, I would think high flows would dislodge big gold in the river. But, what happens when water keeps flowing on the creeks and streams? I think the only way we'll know will be when it all settels down. Will there be a flood gold refill of cervaces? Will there be less material on top of large pieces that will now be detectable? Look at the graph for the Bear and AM Rivers. The flow level, although not high, is consistanly higher.

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    Last edited by Tahoegold; Jun 04, 2019 at 09:45 AM.

  5. #20
    us
    May 2009
    Sailor Flat, Ca.
    SDC2300, Gold Bug 2 Burlap, fish oil, ACME handbook for TRUE prospectors (unread)
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    Quote Originally Posted by Tahoegold View Post
    Right, I would think high flows would dislodge big gold in the river. But, what happens when water keeps flowing on the creeks and streams? I think the only way we'll know will be when it all settels down. Will there be a flood gold refill of cervaces? Will there be less material on top of large pieces that will now be detectable? Look at the graph for the Bear and AM Rivers. The flow level, although not high, is consistanly higher.

    Click image for larger version. 

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    nope... no gold is moving in any of the rivers...even at these flows. it's not the right situation.

    if it is moving it is flood gold in a shifting bar..but not much and not far.
    Clay Diggins likes this.

  6. #21
    bug
    bug is offline

    Jun 2008
    Nor Cal
    199
    310 times
    All Types Of Treasure Hunting
    I agree with GW. Although we had a lot of rain and snow, and the rivers and creeks are topped off, we did not have any epic flows to get the cavitation going and really change things around. 2016-17 winter did some damage but this was a disappointing winter
    Goldwasher likes this.

  7. #22
    us
    Prospector

    Apr 2014
    Modesto, CA
    355
    833 times
    Prospecting
    Minimal movement this year...2017's 40,000 & 25,000 CFS events rearranged the rivers... this year, we can hope to find some sand or gravel bar changes and a little flood gold. Hopefully a fair amount of erosion due to the high amount of rain... but I am not nearly as excited as I was in 2017.

    Hell, I am still in search of that 2017 peanut buttery pay layer!! I just hope the river levels drop soon (which they should with all of the high heat coming) so I can get in the water and start sniping!

  8. #23
    us
    Northern California

    Aug 2007
    Southern California
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    Gee Whiz Goldwasher, you just popped another dream bubble! However, I will admit that you also saved folks from a whole lot of serious work in hopes that the water this year has done something special to the rivers. For "MY NorCal River" it has been running high for many months but then again it has not been high enough to actually do anything, aka it has not moved huge amounts of gravel.

    Tahoegold, check out the charts for the Bear & the NFAR for the year 2017 to see what real water flow is like. This year we've had a lot of snow in the Sierras but as Goldwasher has indicated "the conditions are not right". The Sierras are starting to warm up so the river flows will pick up but with high flows all winter, 2x to 3x normal, it will likely mean lower flows than normal for late spring early summer.

    For 2019 on the NFAR I had also been hoping for some seriously high flows, @ 50,000 & 40,000 cfs type of stuff like in 2017 but no such luck. Or, Weather Forecasting is more scientific but it is still a guessing game..............63bkpkr

    Note: each drainage system is different, has different weather patterns & temperatures so investigate the drainage system of your interest!

    USGS Real Time Water Flow Data
    Weather Matters
    dreamflows
    etc.
    Last edited by 63bkpkr; Jun 04, 2019 at 12:56 PM.
    Out searching w/GMT & friend under my arm

  9. #24
    us
    Mar 2016
    Tahoe, CA
    Compadre, Gold Racer, White's TRX,Bazooka Gold Trap 24" Sniper,God Hog mats,Grizzly Gold Trap Motherload,MD App,Determination
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    Ok, got it. There still must be spots from 2017 that still haven't been dug. So, it's hiking and prospecting!
    63bkpkr likes this.

  10. #25
    us
    tadvanallen

    May 2019
    San Diego
    looking at a Gmonster.. not a owner
    5
    2 times
    All Types Of Treasure Hunting
    Just wondering, if there is a update for the weather and water flows this week june13th through 20th...looking at Grass Valley areas.. thnx

  11. #26
    us
    Mar 2016
    Tahoe, CA
    Compadre, Gold Racer, White's TRX,Bazooka Gold Trap 24" Sniper,God Hog mats,Grizzly Gold Trap Motherload,MD App,Determination
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    This may help...Attachment 1721451Click image for larger version. 

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  12. #27
    us
    tadvanallen

    May 2019
    San Diego
    looking at a Gmonster.. not a owner
    5
    2 times
    All Types Of Treasure Hunting
    Sweet.... Thanx Tahoegold... very cool charts....

  13. #28
    us
    May 2009
    Sailor Flat, Ca.
    SDC2300, Gold Bug 2 Burlap, fish oil, ACME handbook for TRUE prospectors (unread)
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    Quote Originally Posted by Tahoegold View Post
    Ok, got it. There still must be spots from 2017 that still haven't been dug. So, it's hiking and prospecting!
    Dude there are so few actual prospectors.

    There is ample ground to dig. stuff that hasn't been dug after any of the major floods going back to the early 1900's

    Just get out and look.

    Storms, floods... and who may have dug where are the tiniest aspect of what will get you gold....Practically not even an aspect to consider.

    For me I care more about the over burden a storm removes, while hoping it doesn't deposit more in places I don't want it.

    The gold at and near the bottom isn't going far most likely it isn't going anywhere.
    Last edited by Goldwasher; Jun 10, 2019 at 11:07 AM.
    63bkpkr and Underburden like this.

  14. #29
    us
    Mar 2016
    Tahoe, CA
    Compadre, Gold Racer, White's TRX,Bazooka Gold Trap 24" Sniper,God Hog mats,Grizzly Gold Trap Motherload,MD App,Determination
    219
    222 times
    Prospecting
    That is very well put GW. There's very few who actually prospect and read the land/river and dig to find the locations that have gold. Your point about where the river has removed overburden is a key point. The snow pack runoff won't do the action to move the gravel like that. Ww can look forward to having running water longer. That's something we can use to work with this year.

  15. #30
    us
    Northern California

    Aug 2007
    Southern California
    XLT, GMT, 6000D Coinmaster
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    Yes, the water will be high into July and depending on which river drainage system you are working that will mean the rivers will be dangerous and likely cold. The NFAR, at 250 CFS a strong person can not swim up river against the current. At any CFS value over that well, it just makes staying alive all that much more unlikely should one fall in! I knew of a fellow that hiked down Green Valley Trail for the Trout opening day, his body was found down river on the other side of Giant Gap later in the year.

    The snow at the Royal Gorge Ski Resort is melting nicely every day and into the night, check out their Webcam. I check that and then I check the CFS value as a comparison. I mean it does not indicate what All the rivers are doing but it helps me psychologically to see the snow melting and how the river flow changes. What would happen if the Sierras heated up quickly?

    Have fun and may it be golden and stay safe!...........63bkpkr
    Out searching w/GMT & friend under my arm

 

 
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