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A Wet day in Yosemite Valley

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A Wet day in Yosemite Valley
October 31, 2016 06:51AM

Text included here ... go to the link if you want to see the pictures.
A Wet Day in Yosemite Valley; "Spring" Comes REALLY Early
// Geotripper

October is nominally an autumn month, a time of falling leaves and low-flowing rivers after a dry summer and above-average temperatures. In Yosemite Valley, the waterfalls are dry. It might not be the best time of year for drawing tourists to the valley, but it's a fine time for a field trip. Well, maybe...

It's a given that if one schedules a field trip and reserves a bus months in advance that the weather is going to be a wild card. And it was definitely wild. The weather forecasts all week pointed to a 100% chance of rain essentially all day, and as we left town, the rain was indeed falling. All the way up the hill, all the way into the valley. I gave lectures from the bus, watching water pour out of the sky. I had 30 students, some of whom were expecting to see Yosemite Valley for the first time in their lives. I was clenching my teeth, worried that we would arrive in the valley and the walls would be hidden behind the clouds. We arrived at Tunnel View, and I was slightly relieved to see that the cliffs were just barely distinguishable through the rain squalls (see the top picture). At least we could say that we saw something. We got back into the bus, to go make more stops in the rain. Then something wondrous happened.

I glanced behind me as I climbed into the bus and realized that the rain had stopped, and that the cliffs of Yosemite Valley were emerging from the storm. We got back out, and started enjoying the gift of a 90 minute break in the storm. The valley was a glorious sight for those few precious minutes. El Capitan, the 3,000 granite monolith, loomed high above us.

Fall colors were visible all across the valley; oaks, cottonwoods and dogwoods were all at their late season best. We here in California can't compete with the pageantry of the show in the eastern United States (or even the aspen groves of the eastern Sierra Nevada), but ours comes later, and the trees back east don't have a backdrop of stunning granite cliffs.

The most incredible moment of the day came as we realized that with the rain, every waterfall in the valley was flowing. And not just flowing, but surging. Waterfalls were coming from cliffs that never have waterfalls. It could have been spring of a wet year. There was a lot of water falling from the skies above Yosemite today.

Yosemite Falls were especially spectacular. I strolled past lower Yosemite Creek, and it was flooding.

The Merced River was surging as well. It was spilling over its banks, which was enough to get me on my phone to check the flows today. It was pretty impressive. Normal flow for this time of year is about 30 cubic feet per second. A week ago the river was running 100 cubic feet per second. With two big storms this week, the river has risen to over 3,000 cubic feet per second! In the last year, a fairly good year for precipitation, the flow of the Merced exceeded 3,000 cfs only a few times.

It was an impressive day, and a really blessing to have a break in the storm. After 90 minutes, the rain squalls returned, and followed us most of the way home.
Re: A Wet day in Yosemite Valley
October 31, 2016 09:25AM
We were in the park sat/sun. Wawona area mostly, but drove home via the Valley Sunday evening.

So glad we did! We saw that the South Fork Merced was raging in Wawona, so I was hopeful... and the Valley and Merced did not disappoint!

We had hiked through several downpours all day Sunday, and the drive to the Valley had a few more... but we got lucky in the valley and we're running about taking pics and marveling at the water everywhere!!!

Pics and videos, but no time to post yet. Hopefully soon..
Re: A Wet day in Yosemite Valley
November 01, 2016 12:18PM
Re: A Wet day in Yosemite Valley
November 01, 2016 12:26PM
From the webcam, Yosemite Falls is really going. But it would be really interesting to see what the recent storms have done for ones like Ribbon, Sentinel, etc. The storm from Oct 15 weekend got the Tuolumne River roaring again when I went the following weekend. There were also cascades coming down from Cathedral Lakes area into Tenaya. Spectacular stuff...with luck, Tioga will timely open again for people to witness the results of the most recent water.
avatar Re: A Wet day in Yosemite Valley
November 01, 2016 01:16PM
It was like spring... waterfalls everywhere... Name it... or noname it...

Chick-on is looking at you!
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