Re: [IRCA] Lightning strikes map

[saulamdx <saulamdx@xxxxxxxxx>]

Just to clarify that I didnd't mean that lightning,
storms, et al, do NOT cause e-skip, just that so
little has actually been proven, established
scientifically, as fact. 

I've also noticed a frequent correlation. I've had
opeinings open up and shut down with the beginning and
end of storms, but every time I see a possoble
pattern, something tosses in a monkeywrench.

My suspicion - and only a hunch - is that there are
numerous factors causing e-skip, perhaps in variaous
forms of combination with one-another; and I also
suspect there may be different kinds of e-skip - or,
rather, different causes and slightly different end
results. 

I already distinguish in my logbook between late-night
(usually) openings, which tend to be northern-focused,
and seem to coincide with aurorae; and the more
run-of-the mill daytime openings that seem to involve
more of our continent. But, again, this is all a
hunch.

I've also heard DXers weigh in on links between VHF
(TV-FM) e-skip and AM conditions. I really wish we
knew more. There are, apparently, a handful of experts
there ... at a university in southern Alberta,
possibly Lethbridge, from what I recall.

Saul

--- Michael Hawkins <downsized99@xxxxxxxxx> wrote:

> I did not mean to say that was a direct cause and
> effect.  I have watched several lines of
> thunderstorms on the vaisala map and not had any Es
> to go along with them.  I have also had Es that was
> in direct line with thunderstorms, and the distance
> between the stations received to the thunderstorms
> was roughly the same as the distance between the
> storms and me.  I have also had Es from stations who
> had tornadic activity sitting right on top of them. 
> Major ionization occurs but that doesn't mean it
> will translate to great reception.  I didn't mean to
> imply 100% causality, just as I can't always receive
> reflections off of satellites.  You either do or you
> don't, and even if you can fine tune your approach,
> you don't have God-like powers.
>    
>   Mike
> 
> Russ Edmunds <wb2bjh@xxxxxxxxx> wrote:
>   
> 
> --- saulamdx wrote:
> 
> > 
> > Someone please correct me if I am wrong, but I
> don't
> > think it's ever been PROVEN that lightning,
> > thunderstorms, or tornadoes cause e-skip. 
> > 
> > Saul
> > 
> > --- Michael Hawkins wrote:
> > 
> > > I have used it to find thunderstorms patterns in
> the
> > > west that form a straight line, and occasionally
> > > breed some E-skip on FM. Its handy!
> > > 
> 
> 
> *** I think Michael may have slipped with his choice
> of words, however
> severe weather frontal boundaries do accompany Es in
> some cases - it
> can be either near the tx or rx or both. I've noted
> this a number of
> times over the years. In fact my first Es reception
> was one of those.
> I agree no one has proven any causative
> relationship, but they do
> appear together often enough to be more than
> coincidental. 
> 
> Russ Edmunds
> Blue Bell, PA ( 360' ASL )
> [15 mi NNW of Philadelphia]
> 40:08:45N; 75:16:04W, Grid FN20ID
> 
> FM: Yamaha T-80 & APS9B @15'
> AM: Hammarlund HQ-150 & 4' FET air core loop
> 
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