Cumulus Flammagenitus

Credit Jeremy A Greene – CC-BY-SA

Cloud of the Day – Cumulus Flammagenitus

The International Cloud Atlas fifth edition, published in 2017, has included cloud types that were not recognized before, including types that are caused by humans and other unexpected sources. I’ve already posted on cirrus homogenitus, upper etage clouds forming from the condensation trails of aircraft. Today’s post is about cumulus flammagenitus, cumulus clouds formed by convection caused by a heat source. The heat source could be a wildfire or a volcano, for example, but the cloud can’t be just smoke or ash. It must include water droplets to qualify as a cloud. This type of cloud is also known by the name “pyrocumulus,” or “fire cloud,” which combines fire and the basic cloud type.

Wikipedia has a more in-depth article on flammagenitus than does the Cloud Atlas. As with other cumulus clouds, the convective clouds of the lower etage, flammagenitus can vary in vertical development, with bigger clouds being named accordingly. So we can have cumulus congestus flammagenitus, also known as towering cumulus flammagenitus, and cumulonimbus flammagenitus, complete with the lightning, wind and precipitation associated with thunder clouds.

Credit Jan Knight – World Meteorological Organization

Here’s another example. This flammagenitus is also referred to as pyrocumulonimbus. That is, a cumulonimbus cloud formed from fire. Tap for large original.

Eric Neitzel – CC-BY-SA

I have seen flammagenitus rising above forest fires, and it is impressive. The heat is so intense that the smoke, combined with the water driven out of the burning trees, can be driven rapidly high into the atmosphere. These clouds easily rival regular towering cumulus and cumulonimbus in their size and appearance.

rjb

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The Prime – Halftime Report

NASA – Public Domain

I still haven’t come up with an image to use with this book.

I have been writing my current novel — tentatively titled The Prime — for three months now, and I’m halfway through. That means it’s time for a halftime report, just like during a sports game, or any project where the participants want to assess their work so far. It’s good to see if we’re meeting our goals, and to plan the strategy for the second half.

Unlike my last book — The Plainsrunner — this one isn’t being shared in a serialization as I write it. At least not yet. That serialization was good in many ways, and I mostly enjoyed it. On the negative side, it was a lot of work, and that effort didn’t result in much return. Not only did it not result in many sales, it also didn’t even result in any reviews, and that has left me feeling that there wouldn’t be much point in doing another one.

I would like to say that I’m enjoying writing this book, but it feels strange to not be sharing it as we go. In addition to the serialization of the last one, I have shared portions of other uncompleted novels too. The first one, Green Comet, was released whole and complete. The second one, Parasite Puppeteers, was released as eight extensions, and The Francesians as four. I discovered as I went that there’s a lot of work involved in proofing and formatting and releasing and announcing several different versions of a story, and four is easier than eight. Now, with The Prime, it looks as if I’ve brought it down to zero. Right back to the first one.

So, what am I enjoying about writing The Prime? What I always enjoy about writing. Thinking every day about the growing story. Seeing it develop as I write it, seeing what happens next. Learning more about my characters as I get to know them better. Showing them where we’re going, and following along as they take us there. And sometimes reining them in as they head off in directions of their own.

It’s a bit lonelier this time, writing the whole thing without sharing it as we go, but a writer’s life is supposed to be a lonely one, isn’t it?

So there’s the halftime report on my novel, The Prime. So far, so good. Now it’s another three months of writing, then there’s the proofing, preparing it for publication and recording it. Oh yeah, and finding an image for it. Pen up, head down and back to work.

rjb

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Transliterations of Alien Texts


People ask why I use human referents in my stories about aliens. Why, for instance, did Archie take the name Archimedes when his history doesn’t include Archimedes? Shouldn’t Archie have named himself after a great mathematician from his own world? The answer is, he did, and I’ve substituted that alien name with one we recognize immediately. I have communicated why he chose the name without having to write an explanation of his history into the story. I have saved the reader a lot of reading, and myself a lot of writing, if only we agree to imagine the alien equivalent when we see a human referent.

Rather than thinking of these stories as translations of alien texts, I think of them as whole-text transliterations, where I present the human equivalent and not the raw result. So, if you will agree with me to use this shorthand, we will save ourselves both a lot of work.

rjb

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