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  2. Jet stream - Wikipedia

    en.wikipedia.org/wiki/Jet_stream

    The jet stream moves from west to east bringing changes of weather. [30] The path of jet streams affects cyclonic storm systems at lower levels in the atmosphere, and so knowledge of their course has become an important part of weather forecasting. For example, in 2007 and 2012, Britain experienced severe flooding as a result of the polar jet ...

  3. Polar vortex set to freeze the U.S. as far as the Deep South

    www.aol.com/polar-vortex-set-freeze-u-013449946.html

    Map of Monday highs and wind chills On Monday, the polar vortex will reach the Deep South, with temperatures down to the freezing point of 32 degrees Fahrenheit in Atlanta. Wind chills will be in ...

  4. North Atlantic Tracks - Wikipedia

    en.wikipedia.org/wiki/North_Atlantic_Tracks

    North Atlantic Tracks for the westbound crossing of February 24, 2017, with the new reduced lateral separation minima (RLAT) Tracks shown in blue. The North Atlantic Tracks, officially titled the North Atlantic Organised Track System (NAT-OTS), are a structured set of transatlantic flight routes that stretch from eastern North America to western Europe across the Atlantic Ocean, within the ...

  5. Do you live in a fire-risk area? These maps show high ... - AOL

    www.aol.com/news/live-fire-risk-area-maps...

    Los Angeles and other areas in California are among the highest-risk areas for wildfires — but they're not the only ones. Many fires take place in areas where humans have overstepped into nature ...

  6. SIGWX - Wikipedia

    en.wikipedia.org/wiki/SIGWX

    The SIGWX charts only show the forecast for the specific hour, however it is common place for parameters such as the JetStream, CAT & CB to be interpreted +/- 3 hours of the chart validity time. . Prognoses are typically prepared for two ranges of heights: SWH - High Level SIGWX (Flight level 250-630) SWM - Medium Level SIGWX (Flight level 100-450)

  7. Strong jet stream could wreak havoc on Wednesday flights - AOL

    www.aol.com/news/strong-jet-stream-could-wreak...

    The jet stream refers to winds in the upper levels of the atmosphere that travel from west to east and form when warm air masses from the south collide with cold air masses from the north. Since ...

  8. Clear-air turbulence - Wikipedia

    en.wikipedia.org/wiki/Clear-air_turbulence

    Lines of cirrus perpendicular to the jet stream indicate possible CAT, especially if the ends of the cirrus are dispersed, in which case the direction of dispersal can indicate if the CAT is stronger at the left or at the right of the jet stream. A temperature gradient is the change of temperature over a distance in some given direction. Where ...

  9. Freak winds in Atlantic jet stream push commercial planes to ...

    www.aol.com/freak-winds-atlantic-jet-stream...

    The Atlantic jet stream is a fast and narrow current of air flowing from west to east and encircling the globe and is widely used by airplanes traveling east from North America to cut down on ...