From this morning’s run on the Secret Trail (Calabasas – Cold Creek Trail).
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Find the Poison Oak
It’s not unusual to be running along a nice, shady section of trail and wonder if it WAS poison oak you glimpsed in that tangle of greenery your leg just brushed against.
Here’s a larger view with a couple of the areas of poison oak marked.
From a run on the Forest Trail in Malibu Creek State Park a couple of weeks ago.
Large Poison Oak Leaves
Most chaparral plants thrive in years in which we have above average rainfall, including poison oak. This poison oak is on the Phantom Trail in Malibu Creek State Park.
From Sunday’s trail run.
Poison Oak Along the Phantom Trail
Two consecutive years of more or less normal rainfall is already producing lush growth, numerous wildflowers, and lots of poison oak along the lower elevation trails of Southern California.
These fresh, new leaves of poison oak are along the Phantom Trail in Malibu Creek State Park.
Related post: Sweet Smell of Poison Oak
Oak, Hill & Wave Clouds
These mountain wave clouds were produced by north-northeast winds blowing across the generally east-west oriented mountain ranges north and northwest of Los Angeles. The clouds form near the crests of the undulating airflow downwind of the mountains.
The cirrus veils trailing downwind from the clouds are comprised of ice crystals. There was little shear, so the wisps and sheets of cirrus are aligned with the wind and perpendicular to the long axis of the cloud. Compare to the cirrus veil of these lenticular clouds, also formed by north-northeast winds, but which were being sheared by northwesterly winds.
From a trail run at Ahmanson Ranch on Thursday.
Coast Live Oaks at China Flat
Coast live oaks along the Simi Peak Trail at China Flat. From Sunday’s run to Simi Peak.