Forum Replies Created
-
Posts
-
One of the challenges is dealing with several Pileus occurring at the same time. Sometimes you get lucky when photographing one, another pops into view nearby. An interesting velum shot turned into a photo bomb opportunity for Pileus.
Arizona Cloudscape#85
ps..Im gettin some excessive red saturation on pics at this website. Anybody else noticing a difference between a pic as seen on your computer and as seen on the CAS website?
Hans, Thanks for contributing!. My comment on humidity is deceptive. Relative humidity might be more accurate. At 110f any humidity over, even 10% is uncomfortable, but the point is,,the atmosphere contains much moisture as it is pumped up from the subtropics by a High Pressure centered around 4corners area of the Southwest. I don’t have the formula in front of me but when the atmosphere is very warm it can contain a lot of moisture and it does. What percentage an atmosphere can be of moisture, before it reaches maximum, when it condenses out of the atmosphere, its dew point, depends on temperature and pressure. Both play significant roles in manifesting Pileus. The temperature of the atmosphere puts parameters on the existing dew point ,and the fast rising column of cloud (heat being its engine) compresses the atmosphere above it, increases pressure to eventually bring the above atmosphere to a dew point forcing condensation to happen, a human below witnesses a faint smudge that appears out of nowhere and says Look! Magic! and is entertained by the evolving fashion show of fine linen flowing down and through the columns of cloud. Versace can’t touch this stuff. btw, a side note,,its my observation that in order to more successfully spot Pileus, look for the fast rising columns amongst the congestus. You may notice at a certain height Pileus is manifested. Pileus doesn’t always happen at the very tops of cloud cells. Anyway, 35% moisture at 110F is rather disgusting .And thats just for starters. If you do not want to sweat,you stay in an air conditioned environment period. Even thats a misstatement. We are always sweating. Its just the air absorbs the moisture we exude, but stops when the air already has plenty of moisture. Then it stops absorbing our moisture and it stays on our bodies turning us into clams and jelly fish…a Nobel Peace Prize to the first geneticist who figures out how to make our sweat smell like roses!
Looks like you had a great time in France, Hans. I think if you look closely you’ll see undulations within undulations in a lot of Asperitas shots.
Heres an easy going Asperitas shot.
Arizona Asperitas# 128
Hans, thanks for the perspective and no I haven’t sent the photo to CAS in any formal way. The post is the first public show of it. Below is another shot. One can see the two directions of the winds a lot more clearer. Maybe a sheer event causing a compression is the source of the needle cloud. Back to the rollcloud idea. The idea of a sliver of cold surviving in all that tumult seems unlikely.
Here is a cloud I found unusual. I began taking photos of it when I noticed it wasn’t moving along as all others were blustering their way across central Phoenix sky. Its long narrow shape stuck out as all others where in various degrees of being blown apart: organization in the midst of chaos. It lasted approximately 20 minutes with little directional movement ,west to east. This picture was the last taken. I could believe it is a variant of Lenticularis. I could believe its a variant of a roll cloud, a micro roll cloud, a bread stick rather than a roll. It is lower in altitude than the overhead rush of cloud with only the South Mountain/Estrella Mtn ranges nearby, yet they run 90 degrees(east west) opposed to the orientation of the needle cloud(north south). The White Tanks range is about 25-30 miles west tho. It runs north south. Anyway some kind of horizontal phenomena created a condensation line amidst the hurly burly and was able to fend off the forces of nature until alas ,no horse was available. An oddball cloud deserving the title, A Richard lll cloud.
Yes keelin, i like to just look at the works and notice the changes of what I am seeing. Even my own stuff shows different attributes that I may not have noticed at inception. During processing I count on seeing anew. Like at first Im thinking Mardi Gras on Han’s shot now I it looks like a Swing Dance party.
Arizona B&W #172
The Crow instability are very weird to witness. I got another one but before that, I’m posting another favorite.
Arizona Contrail#50
