41.   Check the air pressure of your tires monthly with a pressure gauge, which is inexpensive and easy to use.

42.   Checking air pressures on hot tires will give you false readings.

43.   Corvette was one of the first to offer a device that warns of low air pressure.

44.   Despite increasing air pressure, clouds will linger over much of California.

45.   During the day of searing heat on Wednesday, the air pressure fell over interior California.

46.   During the week, sizzling heat caused barometric air pressures to subtly lower over the interior in response to the lowered density of hot air.

47.   El Nino, is weather phenomena that changes air pressure over the Pacific Ocean, disrupting usual weather patterns.

48.   El Nino is a cyclical weather phenomenon affecting air pressure over the Pacific Ocean, which can cause flooding or drought in South America.

49.   El Nino, a cyclical weather pattern that changes air pressure over the Pacific Ocean, causes shifts in rainfall in South America and the Asian Pacific.

50.   Even the change in air pressure could be enough to kill him, doctors said.