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700hpa?


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Posted
  • Location: Berlin, Germany
  • Weather Preferences: Ample sunshine; Hot weather; Mixed winters with cold and mild spells
  • Location: Berlin, Germany

    Just looked thru the guides section & didn't find any info on this type of chart from the GME - RH700: http://www.wetterzentrale.de/pics/Rgme003.gif

    What does it mean? Doesn't seem to relate to temperatures or precip.

    Cheers!

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    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    Although i do not know what it is, you can clearly distinguish the occluded front approaching the west of Ireland.

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    Posted
  • Location: Liphook
  • Location: Liphook

    I believe it shows how humid the air is,with 100% being the most humid and 0 being the most dry.

    and yes SB,the front is obvious to see,this where some more moist air is located,which isn't suprising considering its a front!

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    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    For some strange reason, the south of England is not very humid, because of this, i suspect the front will give little rain to the south of England.

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    Posted
  • Location: Berlin, Germany
  • Weather Preferences: Ample sunshine; Hot weather; Mixed winters with cold and mild spells
  • Location: Berlin, Germany

    Ah yes- RH = Relative Humidity! As you'd expect the relative humidty is higher in colder air further north.

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    Posted
  • Location: Chichester, West Sussex
  • Location: Chichester, West Sussex

    This chart is quite unusual normally it would be the 700 MB relative humidity. 700 MB is about 10000ft above mean sea level and the vast majority of cloud cover in a developing frontal system is found between 5000 an 15000ft MSL, so by looking at humidity is a good measure of synoptic scale lift. It is possible to work out extent of cloud cover.

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