Category Archives: trails|smmc open space

photography, photography|landscape, running, trails, trails|smmc open space

A Fashion Show on Lasky Mesa?

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Lasky Mesa

From Gone with the Wind to the bridge scene of Mission Impossible III, there have been some big productions on Lasky Mesa. I’ve seen TV shows, commercials, music videos, photo shoots, and even an online game being filmed on Lasky Mesa. But as I ran past the complex of canopies and tents on the grassland site, I never would have guessed that this time the production was a fashion show.

It was not only a fashion show, but a runway show by the French fashion house Dior, introducing their “Cruise 2018” collection. Given the dry-golden-grass character of Lasky Mesa in May, I jokingly wondered if the designs were all going to be in tones of beige, tan and brown. Not quite, but from a photographer’s perspective of color and texture Lasky Mesa appears to have been a surprisingly complementary location for the event.

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East Las Virgenes Canyon

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East Las Virgenes Canyon

This is a view of East Las Virgenes Canyon from the power line service road that connects the Las Virgenes Canyon Trailhead to Cheeseboro Ridge. East Las Virgenes Canyon is part of the Upper Las Virgenes Canyon Open Space Preserve (formerly Ahmanson Ranch).

From this afternoon’s keyhole loop run from the Victory Trailhead to Cheeseboro Ridge.

nature, nature|wildlife, photography, running, trails, trails|smmc open space, weather

Winter Colony of Crows in Cheeseboro Canyon

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Winter colony of crows in Cheeseboro Canyon

With a storm approaching and rain only an hour or two away, I’d been debating where to turn around. I’d just climbed the steep hill between Upper Las Virgenes Canyon and Cheeseboro Ridge and decided to continue down to Cheeseboro Canyon. As I drew closer to the trail’s junction with Cheeseboro Canyon, I began to hear a cacophony of cawing crows.

At the junction crows literally filled the sky (video). It seemed the call was out and crows were coming from all directions to join the flock.

Though I’d never seen such a large aggregation in Cheeseboro Canyon, it is common for the American crows (Corvus brachyrhynchos) to form large foraging and roosting flocks in winter. Winter is tough on animals and isn’t surprising that the social and intelligent crow would cope with Winter in this cooperative fashion.

Leaving the crows behind I started the trip back to the Victory trailhead. It would take about an hour and I hoped the rain didn’t get there before I did!

drought, nature, nature|weather, photography, photography|abstract, photography|black & white, photography|quirky, photography|still life, running, running|adventures, trails, trails|pt mugu state park, trails|smmc open space, trails|topanga state park, weather, weather|southern california

Los Angeles Rainfall Above Normal, But…

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Study of mud on the Musch Trail in Southern California

As of yesterday Downtown Los Angeles (USC) has recorded 8.80 inches of rainfall for both the Rainfall Year (July 1 – June 30) and Water Year (October 1 – September 30). By either measure Los Angeles rainfall is well above normal, and with three well-advertised storms in the forecast it looks like Los Angeles rainfall could remain above normal for at least a few weeks.

Even if it has been a bit wet — and muddy — it’s been great to have a more normal rain season. The rain has been very beneficial and has impacted the drought, at least in the short term. Just how much a continued wet rain season would impact the drought in the long term is a question that has to wait for future analysis.

There has been a five year precipitation deficit of nearly 36 inches at Downtown Los Angeles (USC). It’s hard to appreciate the size of this deficit while running in the rain, splashing through puddles, and trying not to slip in the mud. One tangible indicator of this deficit is that despite above average rainfall, many creeks in the Santa Monica Mountains and Simi Hills have remained dry or are barely flowing. Some have been dry for years.

Update Wednesday, March 1, 2017. The atmospheric river event on February 17 produced high flows on many local streams and many of these streams continue to flow. Rainfall totals in Los Angeles, Ventura and Santa Barbara Counties for the storm generally ranged from 4 to 8 inches with some higher totals recorded. On subsequent trail runs flooding, debris flows and erosion were noted in Upper Sycamore and Blue Canyons in Pt. Mugu State Park. Remarkably, some groundwater monitoring stations in Santa Barbara and San Bernardino Counties remain well below normal.

As of February 28, 2017, Downtown Los Angeles (USC) had recorded 18.50 inches of rain for the Rain Year and Water Year. This is 165% of the normal amount of 11.24 inches for the date, and 124% of the normal amount of rainfall for an entire year. This is the wettest Rain Year (July 1 – June 30) and Water Year (October 1 to September 30) to date since the very wet year of 2004-2005.

Update Tuesday, January 24, 2017. From Wednesday, January 18 through Monday, January 23, Downtown Los Angeles (USC) recorded 5.53 inches of rain, bringing the Rain Year and Water Year precipitation totals to 14.33 inches. This is 217% of the normal amount of 6.65 inches for the date, and 97% of the normal amount of rainfall for the entire Rain Year. It has been the wettest start to the Rain Year (July 1 – June 30) and Water Year (October 1 to September 30) since the very wet year of 2004-2005. There were high rain rates on Sunday, January 22, and Upper Las Virgenes Creek did finally flow for a period of time.

Update Saturday, January 21, 2017. From Wednesday, January 18 through Friday, January 20, Downtown Los Angeles (USC) recorded 2.53 inches of rain, bringing the Rain Year and Water Year precipitation totals to 11.33 inches. The average annual rainfall for Downtown Los Angeles is 14.93 inches. The rain, which was heavy at times on Friday, produced some flooding, rockslides and debris flows. Both branches of upper Garapito Creek are flowing as a result, but Saturday afternoon Upper Las Virgenes Creek was still not flowing.

Upper Las Virgenes Creek – February 22 the flow on Upper Las Virgenes Creek near the Cheeseboro connector and the two downstream crossings was enough that you couldn’t cross without getting your shoes wet. Previously, on January 24, there was no flow near the connector and only a slight trickle downstream. On January 21 the creek was not flowing and there was no evidence it had flowed during a recent storm.

Garapito Creek – On Saturday, January 21, 2017, both branches of upper Garapito Creek were nice burbling brooks. Previously, on January 15, the north branch was just starting to flow, but the south branch was dry.

Upper Sycamore Creek – Flash flooding, debris flows and erosion occurred on this creek following the heavy rain on February 17-18. Nearly 6 inches of rain was recorded at Circle X Ranch, which is also in the western Santa Monica Mountains. Previously, was flowing on February 4, but not on January 1, 2017.

Serrano Creek – Was flowing on February 4, but not on January 1, 2017.

If the wet forecast holds will these streams start to flow? We’ll see!

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Glimpse of Autumn

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Oaks and clouds Upper Las Virgenes Canyon Open Space Preserve

I was running in the hills along the western margin of the San Fernando Valley and reveling in the Autumn-like weather. The hills were parched, brown, and the soil dessicated. In 128 days it had not rained.

An area of low pressure was producing some clouds and even a little rain in some parts of Los Angeles County. The last time it had been this cool in the afternoon was in mid-June. The pleasant temperature was a welcome change from the 80s, 90s and 100s of Summer.

Precipitation from the 2015-16 Godzilla El Nino fell short of expectations, with Downtown Los Angeles only recording 65% of normal rainfall and the drought continuing into its fifth year. How long would we have to wait  until we received widespread rainfall?

At the moment the expectation is for ENSO Neutral conditions to prevail this Winter. Neutral conditions give forecasters little leverage on which to base their Winter outlook, but based on last year’s Southern California precipitation forecasts, we didn’t have much leverage then either.

With a warming planet, we appear to be in a new regime. Forecasts based on 1950-2000 analogs may no longer be applicable. As of September 15 the Climate Prediction Center’s Precipitation Outlook for Southern California for December, January and February is the equivalent of flipping a three-sided coin.

We may just have to wait and see what the Winter brings.