Tag Archives: precipitation

Photographs: Nature, Photographs: Sierra Nevada

Surprise Shower

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Surprise Shower
An unexpectred rain shower interruprts a sunny High Sierra morning.

Surprise Shower. © Copyright 2022 G Dan Mitchell.

An unexpectred rain shower interrupts a sunny High Sierra morning.

This image is partly about the photograph itself but perhaps at least as much about the experience… of surprise. As mentioned in a recent post, we experienced “interesting” weather on our early-August visit to the Sierra Nevada backcountry. While the most notable element was a powerful rainstorm — the biggest I’ve experienced in years of backcountry travel — the weather was just plain odd in other ways, too.

I like to imagine that I understand how the summer Sierra weather is evolving on a given day, and often I’m reasonably close to correct. I’m not always right, but I can typically tell if there is a chance of afternoon thunderstorms, and I’m familiar with the “series of blue days” pattern, and so on. But on this trip there were many times when I could not make heads or tails of what was going on. On several days the early morning conditions looked more like afternoon, and on one of them the strange early clouds never led to rain. On the morning I made this photograph I had had headed up to higher country in morning sunlight with no sense that I needed to worry about weather. Hence… no rain gear. One moment I was setting up my camera in sunshine and the next it was raining as a surprise squad swept across this valley.

G Dan Mitchell is a California photographer and visual opportunist. His book, “California’s Fall Color: A Photographer’s Guide to Autumn in the Sierra” is available from Heyday Books, Amazon, and directly from G Dan Mitchell.

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Commentary

Keeping an Eye on Eastern Sierra Weather

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Those of us spending time in the eastern Sierra this time of year as we chase aspen color (and other subjects) need to pay a bit more careful attention to the changing weather, for photographic reasons and for safety reasons! October is a transitional season in the Sierra, and it can be warm and sunny one day and winter-like and snowy on the next.

Right now there are some question marks in the forecast for the upcoming weekend. I think we are still a bit too far away to get a truly precise forecast, but it does seem likely that the eastern Sierra will feel some effects from a passing weather system by late Saturday or on Sunday.

Some resources for those tracking the weather include:

  • The MammothWeather.com Dweeb Report. This is a private site that is really useful, especially if you learn to read between the lines a bit. To paraphrase (and read between those lines…) it is getting very cold in the eastern Sierra right now, will warm a bit later this week, and then “something” is passing through during the weekend.
  • For slightly geekier (as opposed to dweebier?) weather trackers, the California Forecast Discussion page at the NWS often gives some good hints about how the weather may develop. Currently the sum of the reports here suggests that a) it is going to get colder this weekend, b) a front is going to pass through, c) there is some chance of light snow in the eastern Sierra starting Saturday night, and d) there could be some windy conditions.
  • The NWS Sierra Nevada from Yosemite to Kings Canyon 7-Day Forecast covers a good chunk of the higher portion of the range in short form. Current forecast suggests cloudiness from Saturday evening through Sunday with some chance of precip.

What does it all mean to aspen hunters? A few thoughts cross my mind:

  • If you want reliable sun light in the very early morning hours this weekend, Saturday will be your day. Get up early and be in place before the sun rises.
  • There is some potential for interesting cloud formations and effects as the front approaches (if we get lucky, perhaps close to sunset on Saturday?) and then clears (later in the day on Sunday?).
  • There is a good chance that you’ll be shooting in at least some cloudy conditions. This can be a good thing! Photographing the aspens up close in cloud-diffused light can provide some wonderful saturated colors, though you’ll probably want to do some color adjustments in post. (The light will tend to be a bit blue.)
  • Think of light snow as a positive thing for photographs. There are tons of aspen photographs – but not nearly so many that combine the colorful leaves with a fresh dusting of snow.
  • Dress warmly. If you plan to camp be prepared for wet and cold, and probably give yourself a bit more time to get set up and so forth. Consider camping at a lower elevation if you aren’t prepared for the cold. Think about how you’ll manage your gear as you continue to shoot in cold and damp.
  • Watch out for difficult driving conditions. While a dusting of snow is not usually a major problem, falling snow and dark conditions can make things more difficult – and while you may not find this challenging, keep in mind that quite a few other drivers may not be as secure about this as you are. Also, even a little snow can temporarily close some Sierra passes – the NPS is notorious for closing down Tioga Pass for tiny bits of snow.
  • Wind may be an issue – in several ways. It is not uncommon for a front with strong winds to suddenly bring down some of the most colorful leaves. If you have a higher elevation grove in mind, go Saturday! The wind can also compound the problem of light diminished by clouds – the leaves may be moving a lot. Look for more sheltered areas, wait for a pause in the wind, increase ISO and use a faster shutter speed… or embrace the blur and make it part of your shots. And don’t forget that wind increases the effect of the cold.
Photographs: Nature, Photographs: Sierra Nevada, Photographs: Yosemite

Autumn Foliage and Rain, Merced River Near Cathedral Rocks

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Autumn Foliage and Rain, Merced River Near Cathedral Rocks

Autumn Foliage and Rain, Merced River Near Cathedral Rocks. Yosemite Valley, California. November 1, 2008. © Copyright G Dan Mitchell – all rights reserved.

Autumn foliage lines the riverbanks as rain falls on the Merced River near Cathedral Rocks – Yosemite Valley.

One more – probably the last – in the series of photographs* of this scene made from the bridge near El Capitan Meadow. In this one the rain, which had diminished to mere sprinkles when I began to shoot from this location, began to return in earnest. The surface of the river has lost is reflectivity and is cloudy in this photo. If you look closely (or inspect the print) you can see the raindrops on the surface of the water. This was pretty much the story of this entire weekend of photography. It rained most of the time, occasionally hard. I did quite a bit of my photography between showers and under improvised rain protection.

Although this was photographed near El Capitan Meadow, the rock face beyond the river and the trees is not El Capitan. It is Cathedral Rocks, a large formation that is almost directly across the Valley from El Capitan and a bit east of Bridalveil Fall. If it were located anywhere else where it was not dwarfed by El Capitan, it would be regarded as a very imposing face it its own right.

* The previous two related photographs are here and here

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