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You can try your hardest,

You can try your hardest, you can do everything, and say everything. But sometimes, people aren't worth trying over anymore, they aren't worth worrying about. It's important to know when to let someone go when they're letting you down. #picoftheday #photooftheday #moodygrams #natgeo #natgeotravel #igers #nofilter #photography #canon #vsco #vscocam #travelphotography #traveldiaries #travelblogger #travelgram #outdoors #travel #traveling #mountain #daylight #hike #adventure #landscape #exploration #leisure #valley #sunset #dusk #scenic #vagamon

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The subtropical jet stream rounding the base of the mid-oceanic upper trough is thought to be one of the reasons most of the Hawaiian Islands have been resistant to the long list of Hawaii hurricanes that have approached. For example, when Hurricane Flossie (2007) approached and dissipated just before reaching landfall, the U.S. National Oceanic and Atmospheric Administration (NOAA) cited vertical wind shear as evidenced in the photo.

El Nio-Southern Oscillation (ENSO) influences the average location of upper-level jet streams, and leads to cyclical variations in precipitation and temperature across North America, as well as affecting tropical cyclone development across the eastern Pacific and Atlantic basins. Combined with the Pacific Decadal Oscillation, ENSO can also impact cold season rainfall in Europe. Changes in ENSO also change the location of the jet stream over South America, which partially affects precipitation distribution over the continent.

A valley exit jet is a strong, down-valley, elevated air current that emerges above the intersection of the valley and its adjacent plain. These winds frequently reach a maximum of 20 m/s (45 mph or 72 km/h) at a height of 40200 m above the ground. Surface winds below the jet may sway vegetation, but are significantly weaker. They are likely to be found in valley regions that exhibit diurnal mountain wind systems, such as those of the dry mountain ranges of the US. Deep valleys that terminate abruptly at a plain are more impacted by these factors than are those that gradually become shallower as downvalley distance increases.

It is possible to tune the familiar diatonic scale or chromatic scale in just intonation in many ways, all of which make certain chords purely tuned and as consonant and stable as possible, and the other chords not accommodated and considerably less stable. The prominent notes of a given scale are tuned so that their frequencies form ratios of relatively small integers. For example, in the key of G major, the ratio of the frequencies of the notes G to D (a perfect fifth) is 3:2, while that of G to C (a perfect fourth) is 4:3. Three basic intervals can be used to construct any interval involving the prime numbers 2, 3, and 5 (known as 5-limit just intonation): 16:15 = s (Semitone) 10:90 = t (Minor tone) 09:80 = T (Major tone) which combine to form: 6:5 = Ts (minor third) 5:4 = Tt (major third) 4:3 = Tts (perfect fourth) 3:2 = TTts (perfect fifth) 2:1 = TTTttss (octave) A just diatonic scale may be derived as follows. Suppose we insist that the chords F-A-C, C-E-G, and G-B-D be just major triads (then A-C-E and E-G-B are just minor triads, but D-F-A is not). Then we obtain this scale (Ptolemy's intense diatonic scale): The major thirds are correct, and two minor thirds are right, but D-F is a 32:27 semiditone. Others approaches are possible (see Five-limit tuning), but it is impossible to get all six above-mentioned chords correct. Concerning triads, the triads on I, IV, and V are 4:5:6, the triad on ii is 27:32:40, the triads on iii and vi are 10:12:15, and the triad on vii is 45:54:64. For a justly tuned minor scale two of the steps must be switched to obtain optimal minor thirds, see Five-limit_tuning. Another variant (see Five-limit tuning below) uses the minor tone of 10/9 and gives the minor seventh a ratio of 16:9 (=1.778) instead of 9:5, which is closer to the equal temperament tuning of 1000 cents i.e. a ratio of 210/12 = 1,7818 : but then major and minor thirds including this tone are out of just intonation.

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