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Re: [John Muir Trail] Lightning

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  • debrabrownbear
    Thanks, John. Excellent advice! Debra
    Message 1 of 38 , Jul 23 1:21 PM
      Thanks, John. Excellent advice!

      Debra

      --- In johnmuirtrail@yahoogroups.com, John Ladd <johnladd@...> wrote:
      >
      > We probably over-spooked you.
      >
      > I have slept on the small tentpad about 25 yards south of Muir Hut and it
      > was a great night. And it had high points on two sides within 50 meters, so
      > it probably wasn't all that bad. But I wouldn't do it with weather
      > approaching.
      >
      > Last water short of a Pass, assuming it is above treeline, could be a place
      > to pay attention to local terrain. From what I have read, you don't want to
      > be too near the water itself and you need to have higher terrain within 50
      > meters of you, so it attracts the strike, rather than you attract the
      > strike. But you want to avoid tucking up close to the highest thing around,
      > since that increases risks from ground currents.
      >
      > John Curran Ladd
      > 1616 Castro Street
      > San Francisco, CA 94114-3707
      > 415-648-9279
      >
      >
      > On Mon, Jul 22, 2013 at 11:47 AM, debrabrownbear
      > <debrabrownbear@...>wrote:
      >
      > > **
      > >
      > >
      > > Thanks to everyone who contributed to the great discussion about lightning
      > > a couple of weeks ago. I've read all the posts, read the articles, and
      > > watched the great NOLS video. I've hiked in the Sierra my whole life, but
      > > this is my first time through-hiking the JMT. My husband and I are planning
      > > a leisurely trip, averaging <10 miles/day, beginning 8/12 from TM to
      > > Whitney Portal. In planning mileage each day, and our camping locations
      > > each night, are there specific locations (place names) along the trail that
      > > one should avoid entirely, given high exposure and lightning risk? Example:
      > > My typical approach would be to camp below a pass, near the last good water
      > > source, so that I could be up and over that pass as early as possible the
      > > next morning (e.g. Palisade Lakes, Lake Marjorie).
      > >
      > > And if one's choice is between pitching a tent (with metal poles) in a
      > > depression in a bare/rocky and rolling landscape, or pitching that same
      > > tent in a stand of trees of equal height nearby, what's the best decision?
      > >
      > > I never worried much about lightning strikes until I read all of the
      > > posts, the articles, etc. Now I'm a bit spooked. :-)
      > >
      > > Debra
      > >
      > >
      > >
      >
    • debrabrownbear
      Thanks, John. Excellent advice! Debra
      Message 38 of 38 , Jul 23 1:21 PM
        Thanks, John. Excellent advice!

        Debra

        --- In johnmuirtrail@yahoogroups.com, John Ladd <johnladd@...> wrote:
        >
        > We probably over-spooked you.
        >
        > I have slept on the small tentpad about 25 yards south of Muir Hut and it
        > was a great night. And it had high points on two sides within 50 meters, so
        > it probably wasn't all that bad. But I wouldn't do it with weather
        > approaching.
        >
        > Last water short of a Pass, assuming it is above treeline, could be a place
        > to pay attention to local terrain. From what I have read, you don't want to
        > be too near the water itself and you need to have higher terrain within 50
        > meters of you, so it attracts the strike, rather than you attract the
        > strike. But you want to avoid tucking up close to the highest thing around,
        > since that increases risks from ground currents.
        >
        > John Curran Ladd
        > 1616 Castro Street
        > San Francisco, CA 94114-3707
        > 415-648-9279
        >
        >
        > On Mon, Jul 22, 2013 at 11:47 AM, debrabrownbear
        > <debrabrownbear@...>wrote:
        >
        > > **
        > >
        > >
        > > Thanks to everyone who contributed to the great discussion about lightning
        > > a couple of weeks ago. I've read all the posts, read the articles, and
        > > watched the great NOLS video. I've hiked in the Sierra my whole life, but
        > > this is my first time through-hiking the JMT. My husband and I are planning
        > > a leisurely trip, averaging <10 miles/day, beginning 8/12 from TM to
        > > Whitney Portal. In planning mileage each day, and our camping locations
        > > each night, are there specific locations (place names) along the trail that
        > > one should avoid entirely, given high exposure and lightning risk? Example:
        > > My typical approach would be to camp below a pass, near the last good water
        > > source, so that I could be up and over that pass as early as possible the
        > > next morning (e.g. Palisade Lakes, Lake Marjorie).
        > >
        > > And if one's choice is between pitching a tent (with metal poles) in a
        > > depression in a bare/rocky and rolling landscape, or pitching that same
        > > tent in a stand of trees of equal height nearby, what's the best decision?
        > >
        > > I never worried much about lightning strikes until I read all of the
        > > posts, the articles, etc. Now I'm a bit spooked. :-)
        > >
        > > Debra
        > >
        > >
        > >
        >
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