[LINK] It always warms up in Oz for Chrissie.

[tomk]

Just in time for the cricket... [http://www.cricket.com.au/ (real time 
coverage inc. scores etc.)]

Like this....

Quote/: [from: ftp://www.ips.gov.au/data/Solar/Learmonth%20Observatory/ARBIS/arbis_public/arbis_realtime_typeII.txt]
Learmonth - Type II bursts
         New events found in real time:
  
    date     start-end time   shock speeds     arrival dates & times
(YYYYMMDD)     (hhmm UT)     (km/s  km/s)   (YYYYMMDD hh  YYYYMMDD hh)
    20121225    2357 - 2358     3401  5443       20121226 12  20121226 8
  
  
The results are preliminary.
The Newkirk model is used to estimate the shock speeds and arrival times.
The 2 values are obtained under the assumption that the emission is fundamental and harmonic,
respectively. The actual detections are shown in pictures with dynamic spectra.
/Quote

References:

"Solar Flare Alphabet Soup" 
http://spaceweather.com/glossary/flareclasses.html

And of interest is:
Solar winds driven by nonlinear low-frequency Alfvén waves from the 
photosphere: Parametric study for fast/slow winds and disappearance of 
solar winds
Suzuki, Takeru K.; Inutsuka, Shu-ichiro
<http://adsabs.harvard.edu/cgi-bin/author_form?author=Inutsuka,+S&fullauthor=Inutsuka,%20Shu-ichiro&charset=UTF-8&db_key=AST>
Journal of Geophysical Research, Volume 111, Issue A6, CiteID A06101

    We investigate how properties of the corona and solar wind in open
    coronal holes depend on properties of magnetic fields and their
    footpoint motions at the surface. We perform one-dimensional
    magnetohydrodynamical (MHD) simulations for the heating and the
    acceleration in coronal holes by low-frequency Alfvén waves from the
    photosphere to 0.3 or 0.1 AU. We impose low-frequency
    ($\lesssim$0.05 Hz) transverse fluctuations of the field lines at
    the photosphere with various amplitude, spectrum, and polarization
    in the open flux tubes with different photospheric field strength,
    B_r,0 , and superradial expansion of the cross section, f_max . We
    find that transonic solar winds are universal consequences. The
    atmosphere is also stably heated up to $\gtrsim$10^6 K by the
    dissipation of the Alfvén waves through compressive-wave generation
    and wave reflection in the cases of the sufficient wave input with
    photospheric amplitude, $\langle$dv_$\perp$,0 $\rangle$ $\gtrsim$
    0.7 km s^-1 . The density, and accordingly the mass flux, of solar
    winds show a quite sensitive dependence on $\langle$dv_$\perp$,0
    $\rangle$ because of an unstable aspect of the heating by the
    nonlinear Alfvén waves. A case with $\langle$dv_$\perp$,0 $\rangle$
    = 0.4 km s^-1 gives $\simeq$50 times smaller mass flux than the
    fiducial case for the fast wind with $\langle$dv_$\perp$,0 $\rangle$
    = 0.7 km s^-1 solar wind virtually disappears only if
    $\langle$dv_$\perp$,0 $\rangle$ becomes $\simeq$1/2. We also find
    that the solar wind speed has a positive correlation with B_r,0
    /f_max , which is consistent with recent observations by Kojima et
    al. On the basis of these findings, we show that both fast and slow
    solar winds can be explained by the single process, the dissipation
    of the low-frequency Alfvén waves, with different sets of
    $\langle$dv_$\perp$,0 $\rangle$ and B_r,0 /f_max . Our simulations
    naturally explain the observed (1) anticorrelation of the solar wind
    speed and the coronal temperature and (2) larger amplitude of
    Alfvénic fluctuations in the fast wind. In Appendix A, we also
    explain our implementation of the outgoing boundary condition of the
    MHD waves with some numerical tests. 

Keywords: Space Plasma Physics: MHD waves and instabilities (2149, 2752, 
6050), Solar Physics, Astrophysics, and Astronomy: Corona, Solar 
Physics, Astrophysics, and Astronomy: Coronal holes, Space Plasma 
Physics: Nonlinear phenomena (4400, 6944), Space Plasma Physics: Kinetic 
waves and instabilities
DOI: 10.1029/2005JA011502 
<http://adsabs.harvard.edu/cgi-bin/nph-abs_connect?fforward=http://dx.doi.org/10.1029/2005JA011502> 


Includes link to fulltext: ttp://arxiv.org/pdf/astro-ph/0511006v8.pdf 
[add the first H]

This thread is about frequencies [and cricket] but is not suitable for 
Gromets.


TomK

Postcript: Thanks to all harp players. Such a soothing symphony the 
frequency was just perfect.

-- 
That men do not learn very much from the lessons of history is the most important of all the lessons of history.
~Aldous Huxley