in this random rambling thread we post random pictures

Afternoon is off to a fun start. This is a mile high, 30 mile long wall of dust.
_DSC0562.jpg
 
Low and high mean what? Pressure? Wind?
Pressure. Yes. Red “half moons” are a “warm frontal boundary.” Blue “triangles” are a “cold frontal boundary.” A “long red “dashed line” is typically called a “dryline.”

(ETA: the little white-ish lines, that look like mini worms, are actual wind flow patterns, in video mode that are actually “moving”.)
 
Pressure. Yes. Red “half moons” are a “warm frontal boundary.” Blue “triangles” are a “cold frontal boundary.” A “long red “dashed line” is typically called a “dryline.”

(ETA: the little white-ish lines, that look like mini worms, are actual wind flow patterns, in video mode that are actually “moving”.)
Thank you! 🙂
 

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