An angiogram uses X-rays and a special dye (contrast) to take pictures of the arteries in your brain, heart, and kidneys. The dye is injected into a small tube or catheter into an artery in your groin or (sometimes) your arm.
As the cloud collapses the force of gravity drawing the cloud inward gradually becomes stronger because the strength of gravity follows an inverse square law with distance. hoâ¦pe that helps.
Nimbostratus clouds are formed when a slowly rising warm air mass collides with stratus clouds. The nimbostratus cloud is a mid-altitude cloud, occurring higher in the atmosphere than stratus clouds do. Another type of stratus cloud is the altostratus cloud. These clouds have a blue appearance, and also occur at low altitudes. The altostratus cloud also produces light precipitation such a drizzling rain.