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Alex Wierbinski's blog


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The Existential Zone

 

 

 The Existential Zone

 Research increases distance at which supernova would spark mass extinctions on Earth
UNIVERSITY OF KANSAS, May 11, 2017.

 

 

ISSUE:

“The Supernova Kill Zone,”

“Big Rock from Space,”

along with

Super-Volcanos and Humans:

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Dam Life: The Life & Times of Oroville Dam

Dam Life: 
The Life & Times of Oroville Dam

This is written to give greater context to the costs identified in the opinion piece:

Editorial: Taxpayers deserve transparency on Oroville expenses,
Mercury News, March 13, 2017.

A Tour de Force of Irony...

March 14, 2017

From March News 

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Bear News and Research

 The repository of Bear news and stories we come across.

I've written about my experiences with High Sierra Black Bear Behavior in the Trail and Camp Skills section of the Trail Guide. Remember, bears act differently in different locations, and can be quite unpredictable in most situations.

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December 2016 and January 2017: Watching the New World Weather Emerge

CHANGING WEATHER NEWS

December 2016
and
January of 2017

Last Updated
January 31, 2017

The transitions between seasons, their basic character, their timing, temp, and humidity transitions have all changed. The directions from which the seasonal winds blow have changed. These changes are reverberating through and disrupting webs of life that wrap around the whole planet.

 

NEXT MONTHS' NEWS

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Planning an Excellent Emigrant Wilderness Backpacking Trip.

Emigrant Wilderness Backpacking Planning Information 
Create the best Emigrant Wilderness backpacking plan. Use our Maps, miles, elevations and experience to craft your perfect trip.

 

I recently completed (Oct 8, 2016) the 2016 High Sierra Trails & Trail Culture Review.

This report has planning information for Emigrant Wilderness Backpacking Trips from Kennedy Meadows to Hetch Hetchy in Yosemite National Park.

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Common Rosefinch, (?) Observing and Idenifying High Sierra Birds

Common Rosefinch, (?)
Observing and Idenifying High Sierra Birds

Observed
July 16, 2016

Location
Tilden Lake, Yosemite National Park
The North Yosemite Backcountry

I am unclear as to the identity of this bird. You know? Tell me! I just call him "Little Red."

 See the bigger images on the trail guide entry at Tilden Lake.

 

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Fly Catcher (?) High Sierra Birds, Lunch Meadow, Stanislaus National Forest

High Sierra Birds. Fly Catcher (?)  

Observing and attempting to identify High Sierra Birds.

Lunch Meadow, Stanislaus National Forest
Route of the Tahoe to Yosemite Trail from Kennedy Meadows to Tuolumne Meadows.

September 2, 2010

9000 feet of elevation

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Big Bumble Bees in Upper Lunch Meadow & Bumbler on Moraine Ridge

Big Bumble Bee in Upper Lunch Meadow

Emigrant Wilderness-Stanislaus National Forest

Sept 2, 2010

About 9200 feet of elevation,
above Mosquito Pass trail junction.

 Bumble Bee approaching Brown Bear Pass on the Tahoe to Yosemite Trail in the North Sierra Nevada Mountain Range.

Trail Guide Information

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Western Tanager near Kennedy Meadows

Western Tanager near Kennedy Meadows 

July 11 2012

Highway 108 and road to Kennedy Meadows Pack Station.

6278 feet of elevation.

Western Tanager along Highway 108 corridor.

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New Pacific Crest Trail signs across North Yosemite

NEW PCT EMBLEMS
 Take off your glasses-you can now find the PCT across Yosemite without them.

Yosemite National Park has installed HUGE new Pacific Crest Trail emblems on their trail  sign posts, at least across the North Yosemite Backcountry, as my personal observations indicate. 

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My Favorite and the Best High Sierra Backpacks: Review External Frame Packs

Member's Favorite External Framed Backpacks

 

Alex                    Classic Camp Trails external framed pack for Summer uses.

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June and July 2016 High Sierra Backpacker's News

News of Man and Nature
June and July of 2016

Updated

July 31

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ON the Trail Again

July 5, 2016

I'll be hitting the trails for a couple of weeks starting today until late July. The site will not be actively monitored during this time. I will return and respond to any inquiries at the end of July.

Those of you hiking North from Tuolumne Meadows during this time may well run into me hiking South towards TM along the TYT-PCT. 

Tuolumne Meadows

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Filters and Purification: MEMBER's FAVORITES for High Sierra Backpacking

 Member's Favorites

What are, and how do we select the best Water Filtration, Purification, Treatment, and Usage System for High Sierra backpackers?

The fundamental requirement for me is clean water quickly. By clean I mean taste as well as purity, so chemicals are regaled to emergency status.

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Peter Locates Excellent Cheap Backpacking Boots: Interceptor Tactical Footwear

Peter is an excellent highly experienced solo cross-country backpacker. His engagement, analysis, observation and decision making skills are reliable and accurate in my estimation.

 Peter found an excellent cheap high quality boot suited for heavy backpacking, cross country scrambling, and even suitable for marginal Spring snow conditions.  

Let's let Peter tell it:

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Boots and Footwear: Member's Favorites for High Sierra Backpacking

Member's Favorites
BACKPACKING BOOTS & FOOTWEAR

 

Selecting Backpacking Boots and Footwear from among our many, many Options.

 

INTRODUCTION

The Range of Choices
 We have an extensive selection of types and styles of backpacking footwear available from extremely heavy to virtually none at all. The barefoot and neoprene fads are quite amusing...

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High Sierra Backpacking Shell Marmot Precipt Review

Alex W "Snap Review" of 

Marmot PreCip

 

Gear:

Ultralight Water and Wind Proof ventilated Jacket and Pants.

Use:

Warm-weather environments.

Application(s):

Mostly Summertime on the Sierra Crestline. I have brought it out during both Spring and Fall warm spells. These shells offer zero, or next to zero insulating power. It does get cold on the crest during Summer.

Advantages:

Very Light

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Outer Shell Jackets and Pants: Member's Favorites for High Sierra Backpacking

Member's Choice

Outer Shell

"Members Choices" are derived from members of Tahoe to Whitney's selections for their favorite pieces of various types of gear.

TW members represent a wide range of different types of folks spending  vast amount of time hiking legendary distances collecting up vast amounts of experience across the wide range of harsh and gentle environments the High Sierra can throw down.

Post up the shell gear that best suites you for your particular application in the this Shell Forum. 

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Sleeping Bags: Member's Favorites for High Sierra Backpakers

Member's Favorites

Sleeping Bags for High Sierra Backpakers 

 Remember, each sleeping bag is tuned to each user's preference during each season. Make sure you get the weight of bag that suites the requirements of your sensitivities in the environment.

Remember, it gets much colder than you think it will, then much hotter...

 

 

 MARMOT

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Stoves: MEMBERS FAVORITES for High Sierra Backpacking

Members Favorites

High Sierra
Backpacking Stoves

We have considerable range of selections from a wide range of fuels and gasses, delivery systems (below), wind shields and pot supports, not to mention the ability to construct a wide range of homemade alchol stoves.

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