Book reviews for September 2020

Wanderers by Chuck Wendig

Wanderers by Chuck Wendig

4/5

 

Fair Warning (Jack McEvoy #3) by Michael Connelly

Fair Warning (Jack McEvoy #3) by Michael Connelly

3/5

 

The Scarecrow (Jack McEvoy, #2, Harry Bosch Universe, #19) by Michael Connelly

The Scarecrow (Jack McEvoy, #2, Harry Bosch Universe, #19) by Michael Connelly

4/5

 

The Poet (Jack McEvoy, #1; Harry Bosch Universe, #5) by Michael Connelly

The Poet (Jack McEvoy, #1; Harry Bosch Universe, #5) by Michael Connelly

4/5

 

Strange Weather in Tokyo by Hiromi Kawakami

Strange Weather in Tokyo by Hiromi Kawakami

4/5

 

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Cause and Effect, or Strange Skies over San Francisco

Updated on Saturday, February 19, 2022

Cause and Effect, or Strange Skies over San Francisco

A timelapse combining the mid-August storm and the 'day without a sunrise' on September 9, 2020 in San Francisco (lightning from the storm contributed to the wildfires that blocked the sun).

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(More Timelapses)

(Published to the Fediverse as: Cause and Effect, or Strange Skies over San Francisco #timelapse #sanfrancisco #video #smoke #storm Time lapse of the day without a sunrise in San Francisco and the storm that caused the fires that blocked the sun. )

Autumnal Equinox 2020

Autumnal Equinox 2020

Autumn starts now (September 22, 13:31 UTC) north of the Equator, Spring to the south. Rendered in Catfood Earth.

(Previously: Autumnal Equinox 2019)

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(All Code Posts)

(Published to the Fediverse as: Autumnal Equinox 2020 #code #catfood #earth #equinox #autumnal The exact moment of Autumnal Equinox 2020 as rendered in Catfood Earth. )

Book reviews for August 2020

Killers of the Flower Moon: The Osage Murders and the Birth of the FBI by David Grann

Killers of the Flower Moon: The Osage Murders and the Birth of the FBI by David Grann

4/5

 

The Man Who Played with Fire: Stieg Larsson's Lost Files and the Hunt for an Assassin by Jan Stocklassa

The Man Who Played with Fire: Stieg Larsson's Lost Files and the Hunt for an Assassin by Jan Stocklassa

3/5

 

Fake Truth (Ian Ludlow Thrillers #3) by Lee Goldberg

Fake Truth (Ian Ludlow Thrillers #3) by Lee Goldberg

4/5

 

Killer Thriller (Ian Ludlow Thrillers #2) by Lee Goldberg

Killer Thriller (Ian Ludlow Thrillers #2) by Lee Goldberg

3/5

 

True Fiction (Ian Ludlow Thrillers #1) by Lee Goldberg

True Fiction (Ian Ludlow Thrillers #1) by Lee Goldberg

3/5

 

The Last Human by Zack  Jordan

The Last Human by Zack Jordan

5/5

 

Afterland by Lauren Beukes

Afterland by Lauren Beukes

4/5

 

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Red-Tailed Hawk vs Gopher

Updated on Saturday, May 8, 2021

Red-Tailed Hawk vs Gopher

Red-Tailed Hawk vs Gopher

Red-Tailed Hawk vs Gopher

A red-tailed hawk catches a gopher at Crissy Field.

(Previously: Red-Tailed Hawk)

Updated 2020-10-20 17:40:

Red-Tailed Hawk vs Gopher

Another day, possibly the same hawk, for sure not the same gopher.

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(Recent Photos)

(Published to the Fediverse as: Red-Tailed Hawk vs Gopher #photo #hawk #crissyfield Red-Tailed Hawk catches and eats a gopher at Crissy Field in San Francisco, California. )

Coronavirus Hikes: July 2020

Coronavirus Hikes: July 2020

Coronavirus Hikes: July 2020

Hike starts at: 37.742189, -122.471394. View in Google Earth.

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(Hike Map)

(Published to the Fediverse as: Coronavirus Hikes: July 2020 #hike #coronavirus #map Lockdown hikes around San Francisco for July 2020. )

San Francisco PM2.5

Updated on Saturday, November 18, 2023

This doesn't work any more as Purple is charging for their API. Sorry.

San Francisco PM2.5

This post is updated hourly with a PM2.5 (2.5 micrometer or smaller particulate matter) map of San Francisco.

The video below shows the past 48 hours at six frames per second.

 

The PM2.5 data comes from the Purple Air API. The map uses one hour average readings from outdoor sensors and interpolates each point in San Francisco based on the inverse of the distance to the four closest sensors. The color scale is green to yellow (0-50), yellow to orange (50-100), orange to red (100-150) and red to purple (150-200+). San Francisco is plotted using elevation contours from DataSF.

Updated 2022-06-11 12:28:

The map is currently broken. The URL I use to download sensor data started returning a 500 error code at the end of may (Error: Server Error / The server encountered an error and could not complete your request. Please try again in 30 seconds.). This seemed like something Purple would need to fix. On closer inspection the error occurs after a redirect to https://purpleair-over-quota-2.appspot.com/ which sounds like too many requests (a 4xx error surely). With even more digging it turns out the download link is no longer supported (410 maybe then?) and so I'll need to migrate to the REST API to get this working again. I'm currently trying to get an API key and will get this fixed as soon as I can.

Updated 2022-06-13 17:28:

Purple Air were kind enough to issue me with an API key so the map is back to updating hourly.

Updated 2023-11-08 00:26:

And it's broken again. Purple have decided to start charging for their API. This is a shame, and I don't think I can pay for this just to keep this post running. I'm going to try moving to the AirNow system for some use cases, but it's not going to work for a detailed map of San Francisco as there is only one official sensor here.

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(All Etc Posts)

West Portal Sunset

Updated on Saturday, February 19, 2022

West Portal Sunset

Spectacular sunset the other night, the kind where I really wish I'd left a timelapse running an hour earlier. This time I did! It was just a test run of a new GoPro Hero 8 Black to see what the nightlapse mode is capable of. I left everything on auto, including the interval, which I thought was an odd thing to have an auto mode for but that it might produce some interesting effects. Nope. The GoPro does a nice job of ramping down the shutter speed and ramping up the ISO, but it just randomly toggles the interval between one and two seconds occasionally which just glitches the video. So won't be using that mode again.

(Previously: Sunset sunset 4k)

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(More Timelapses)

(Published to the Fediverse as: West Portal Sunset #timelapse #sunset #westportal #gopro #video Time lapse of sunset looking west over The Pacific from West Portal in San Francisco, California. )

Hazelnut Trail

Updated on Wednesday, June 2, 2021

Hazelnut Trail

Hazelnut Trail

Hazelnut Trail in San Pedro Valley Park, Pacifica. $6 vehicle fee. Currently one way so very socially distanced.

Hike starts at: 37.577953, -122.475309. View in Google Earth.

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(Hike Map)

(Published to the Fediverse as: Hazelnut Trail #hike #pacifica #map Loop hike on Hazelnut Trail in San Pedro Valley Park, Pacifica, California. )

Book reviews for July 2020

The Long Sunset (The Academy) by Jack McDevitt

The Long Sunset (The Academy) by Jack McDevitt

3/5

 

Near Dark (Scot Harvath #19) by Brad Thor

Near Dark (Scot Harvath #19) by Brad Thor

3/5

 

The Night Fire (Renée Ballard, #3; Harry Bosch Universe, #32) by Michael Connelly

The Night Fire (Renée Ballard, #3; Harry Bosch Universe, #32) by Michael Connelly

3/5

 

The Cormorant (Miriam Black, #3) by Chuck Wendig

The Cormorant (Miriam Black, #3) by Chuck Wendig

4/5

 

Mockingbird (Miriam Black, #2) by Chuck Wendig

Mockingbird (Miriam Black, #2) by Chuck Wendig

4/5

 

Nothing Is Wrong and Here Is Why by Alexandra Petri

Nothing Is Wrong and Here Is Why by Alexandra Petri

3/5

 

Network Effect (The Murderbot Diaries, #5) by Martha Wells

Network Effect (The Murderbot Diaries, #5) by Martha Wells

4/5

 

Exit Strategy (The Murderbot Diaries, #4) by Martha Wells

Exit Strategy (The Murderbot Diaries, #4) by Martha Wells

4/5

 

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(All Reviews)