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What the heck is a mesocyclone?

Discussion in 'Anything goes' started by 2muchcoffeeman, Jul 28, 2007.

  1. 2muchcoffeeman

    2muchcoffeeman Active Member

    Because the Weather Underground's fancy-ass radar says one is coming right to my house. 90 percent chance of hail formation, supposedly. :eek: :-\
  2. JBHawkEye

    JBHawkEye Active Member

    From wikipedia:

    A mesocyclone is an area of vertically oriented atmospheric rotation (usually but not always cyclonic) that is most often associated with a localized low pressure region within a severe thunderstorm. The phenomenon is normally relatively localized in nature lying between the synoptic scale (hundreds of kilometers) and small scale (hundreds of meters).
    In layman's terms, the mesocyclone is a rotating updraft within a severe thunderstorm around 5 to 10 miles in diameter, that usually spins in the same direction as low pressure systems for a given hemisphere.
  3. 2muchcoffeeman

    2muchcoffeeman Active Member

    Oh, well that's OK then!

    It will be here in an hour, according to Wunderground.
  4. Platyrhynchos

    Platyrhynchos Active Member

    Sometimes they spawn tornadoes.
  5. 2muchcoffeeman

    2muchcoffeeman Active Member

    Good news indeed!
  6. Platyrhynchos

    Platyrhynchos Active Member

    Just keep an eye on your local TV. If they break into regular programming, saying something about doppler radar showing rotation, that should get your immediate attention. If they say trained spotters have reported a tornado on the ground ...
    Well, hello Emerald City. ;)

    Can you find the storm on a computer screen, or are you relying on the TV guys?
  7. And keep Jim Cantore off your lawn.
  8. 2muchcoffeeman

    2muchcoffeeman Active Member

    The former. It appears to be dissipating, because Weather Underground no longer marks it separately on the local radar picture.

    Sadly, this probably means Stephanie Abrams will not be doing a live shot from my neighborhood as the storm rolls through. :'(
  9. slappy4428

    slappy4428 Active Member

    When last he was spotted, Mr. Cantore was sunning himself on the banks of the Trinity River in Labonte Park -- whatever part of Texas that is...
  10. Football_Bat

    Football_Bat Well-Known Member

    Nueces County. (EDIT: South Texas, about 16 miles from Corpus Christi.)

    If a two-foot flood is what is attracting Danger Jim, we're in good shape.
  11. PhilaYank36

    PhilaYank36 Guest

    This is why I want no part of living in the Great Plains, Oklahoma or Texas. That and the weird accents.
  12. 2muchcoffeeman

    2muchcoffeeman Active Member

    I live in none of those places.
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