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  2. Are summer storms causing your migraine? How barometric ... - AOL

    www.aol.com/change-barometric-pressure-causing...

    Some people say warm weather or excessive exposure to the sun triggers their onset. A Norwegian study found an increase in migraine attacks on sunny days. O'Brien said warm and sunny days also can ...

  3. Atmospheric pressure - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_pressure

    Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa ), which is equivalent to 1,013.25 millibars , [ 1 ] 760 mm Hg , 29.9212 inches Hg , or 14.696 psi . [ 2 ]

  4. L.A. earthquakes have been unusually frequent this year, as ...

    www.aol.com/news/magnitude-4-7-earthquake-malibu...

    The magnitude 4.7 earthquake just north of Malibu on Thursday morning adds to what scientists say is an unusually active year for moderate earthquakes in Southern California.

  5. Santa Ana winds - Wikipedia

    en.wikipedia.org/wiki/Santa_Ana_winds

    The Santa Ana winds sweep down from the deserts and across coastal Southern California, pushing dust and smoke from wildfires far out over the Pacific Ocean. Los Angeles is in the upper left of this image, while San Diego is near the center. The Santa Ana winds, also sometimes called the devil winds, [1][2] are strong, extremely dry downslope ...

  6. Magnitude 4.2 earthquake jolts Southern California

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    A magnitude 4.2 earthquake rattled Southern California on Friday morning, less than a week after a magnitude 4.1 New Year's temblor that shook attendees at the Rose Parade in Pasadena.. The ...

  7. Barometric formula - Wikipedia

    en.wikipedia.org/wiki/Barometric_formula

    Pressure as a function of the height above the sea level. There are two equations for computing pressure as a function of height. The first equation is applicable to the atmospheric layers in which the temperature is assumed to vary with altitude at a non null lapse rate of : = [,, ()] ′, The second equation is applicable to the atmospheric layers in which the temperature is assumed not to ...

  8. California storm leaves four dead as flooding wipes out homes ...

    www.aol.com/california-forecast-atmospheric...

    Watch: Rain erodes California cliff prompting evacuation of nearby residences. 15:23, Louise Boyle. Watch: California storm causes fatal flooding as mass evacuations are put into effect. 15:00 ...

  9. Orders of magnitude (pressure) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(pressure)

    Orders of magnitude (pressure) This is a tabulated listing of the orders of magnitude in relation to pressure expressed in pascals. psi values, prefixed with + and -, denote values relative to Earth's sea level standard atmospheric pressure (psig); otherwise, psia is assumed. Magnitude. Pressure. lbf/in 2 or dB.

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