What is cholecystitis?Cholecystitis is inflammation of the gallbladder, a small organ near the liver that plays a part in digesting food. Normally, fluid called bile passes out of the gallbladder on its way to the small intestine. If the flow of bile is blocked, it builds up inside the gallbladder, causing swelling, pain, and possible infection. What causes cholecystitis?A gallstone stuck in the .
jet stream. A narrow current of strong wind circling the Earth from west to east at altitudes of 10 to 15 miles (16 to 24 kilometers) above sea level. There are usually four distinct jet streams, two each in the Northern and Southern Hemispheres.
Weather. 1  The Jet Stream sits on top of Everest almost all year long. 2  The wind can blow over 200 mph. 3  The temperature can be -80F. 4  In mid May each year, the jet stream moves north causing the winds the calm and temperatures to warm enough for people to try to summit. This is called the 'summit window'.