[meteorite-list] 2nd Report from Strewnfield in Edgewood Texas

Steve Dunklee steve.dunklee at yahoo.com
Tue Feb 7 14:15:45 EST 2012 

there were two radar returns and two sonic booms reported. both of the radar returns are in a northern direction almost parallel. this indicates the termination as north of the radar returns. northwest of the lake.
cheers
 Steve

--- On Tue, 2/7/12, Jim Wooddell <nf114ec at npgcable.com> wrote:

> From: Jim Wooddell <nf114ec at npgcable.com>
> Subject: Re: [meteorite-list] 2nd Report from Strewnfield in Edgewood Texas
> To: "Marc Fries" <mfries8 at hotmail.com>, meteorite-list at meteoritecentral.com
> Date: Tuesday, February 7, 2012, 6:50 PM
> Hi Marc and Steve and all,
> 
> My comment that the radar information was off was because of
> an error in the camera location to begin searching the radar
> data?
> 
> Garbage in = Garbage out.
> 
> Rob figured that out and Jim Gamble confirmed Rob's
> findings.
> 
> So, my statement seems to be true in at least one
> instance.  Not the fault of the radar and I felt the
> frustration!
> 
> I think fine tuning on where the information to research
> comes from is key and it's improving all the time.
> 
> Marc, do you have HAS numbers I could bum?  I am not
> actively searching this one, just want to see what you are
> seeing.
> 
> It's a little surprising that this fireball was not clearly
> distinguished and Id'ed on radar in my mind.  Why do
> you think that is???
> 
> 
> As a point of information, at least on the Sky Sentinel
> network, the node operator can create a movie, regardless of
> the "event" capture timing.
> I can set the event capture to a very low time. 
> Because it is there to capture an event, all I need is the
> beginning time to then go back and make a movie that will
> "see" the entire event plus added time prior and after to
> determine any kind of flash, etc., many seconds after the
> event leaves my horizon.  It's easy and only takes a
> few minutes to do.  IOW's, the movie, is only dependent
> on the event capture to get a relative time to begin...and
> that's it.
> Knowing this, the radar guys (me included) can then call or
> email the node operator directly and get the correct
> information and data....the keyword being "directly".
> Some operators, like me, may even order up the HAS data and
> have that being processed, so that order number can be
> shared as well, which can save some time as well when
> contacted!
> 
> In regards to the sonic booms, that's great to hear all
> the  witnesses heard it.  However, have there been
> any time delays recorded?  I have not seen any posted.
> 
> Kind regards,
> 
> 
> Jim
> 
> 
> Jim Wooddell
> https://k7wfr.us
> Parker Sentinel SkyCam
> 
> 
> 
> 
> ----- Original Message ----- From: "Marc Fries" <mfries8 at hotmail.com>
> To: <meteorite-list at meteoritecentral.com>
> Sent: Tuesday, February 07, 2012 10:16 AM
> Subject: Re: [meteorite-list] 2nd Report from Strewnfield in
> Edgewood Texas
> 
> 
> > Rather quietly and "behind the scenes", there has been
> a lot of work developing the use of weather radar to detect
> meteorites, by Rob Matson, Jake Schaefer, myself, my
> brother, and others.  It's been a tall learning curve
> but I think we've made a lot of progress.  In my
> opinion, the biggest "unknown" left at this point is to
> figure out what size of meteorites and/or other debris
> actually show up best in radar data. The radar reflections
> we see are not only reflections off of solid objects but
> also from atmospheric turbulence. And we also have to
> unravel the knot of reflections in the Mie scattering
> regime, where the reflected signal strength varies widely -
> and nonlinearly - with the size of the reflector. The upshot
> is that we are still working on sorting out what radar
> reflection equates to what size of meteorite. If we see a
> radar reflection, is it from search-worthy stones or just a
> cloud of ~1g rocks, or even ablation spherules? A good part
> of that is just a matter of timing, but not all of it. 
> Lorton, for example, produced a strong radar signature in
> TDWR radar data but nothing was found beyond the original
> doctors'-office-smasher, suggesting that we were looking at
> a swarm of tiny rocks....?  The same is true for the
> Jacksonville, IL event.
> > 
> > This DFW fireball appears to come from a
> well-consolidated object that survived a long "burn" time
> with little in the way of fragmentation. West, TX, by
> comparison, fragmented extensively and produced a beautiful,
> easy to follow set of radar signatures. My take on the DFW
> fireball is that we're looking for a small number of large
> rocks that reached the ground quickly, producing a
> short-lived radar signature that requires some degree of
> luck to figure out.  ...or are we looking at 1g stones
> that no one is going to find?  Just having that answer
> in hand will tell us a lot about where to look.
> > 
> > Still working on it...
> > 
> > Cheers,
> > Marc Fries
> > 
> > On 2/7/12 8:46 AM, Steve Dunklee wrote:
> >> The radar data is not off. It is just not
> understood by most people how the parabola of a fall can
> cause the actual landing area to be up to 12 miles away from
> the radar data. If you stick a french curve in an apple to
> represent the west to east fall. the termination point is
> north to northwest of the radar data.
> >> Cheers
> >> Steve Dunklee
> >> 
> >> --- On Tue, 2/7/12, Jim Wooddell<nf114ec at npgcable.com> 
> wrote:
> >> 
> >>> From: Jim Wooddell<nf114ec at npgcable.com>
> >>> Subject: Re: [meteorite-list] 2nd Report from
> Strewnfield in Edgewood Texas
> >>> To: "Dennis Miller"<astroroks at hotmail.com>,
> mccartney at blackbearddata.com,
> meteorite-list at meteoritecentral.com
> >>> Date: Tuesday, February 7, 2012, 4:29 PM
> >>> Hi All!
> >>> 
> >>> I thought it was determined the Radar data was
> off???
> >>> 
> >>> And, it really is not a strewn filed until one
> is actually
> >>> found!
> >>> 
> >>> Cheers!
> >>> 
> >>> Jim
> >>> 
> >>> 
> >>> Jim Wooddell
> >>> http://k7wfr.us
> >>> 
> >>> 
> >>> 
> >>> ----- Original Message -----
> >>> From: "Dennis Miller"<astroroks at hotmail.com>
> >>> To:<mccartney at blackbearddata.com>;
> >>> <meteorite-list at meteoritecentral.com>
> >>> Sent: Tuesday, February 07, 2012 8:55 AM
> >>> Subject: Re: [meteorite-list] 2nd Report from
> Strewnfield in
> >>> Edgewood Texas
> >>> 
> >>> 
> >>>> Nice! I am so glad you didn't set the
> public price too
> >>> high, like
> >>>> Thousands
> >>>> 
> >>>> for Ash Creek. :-) I do hope you are
> successful in your
> >>> hunt. Keep us
> >>>> posted.
> >>>> 
> >>>> Missed you in Tucson! Again, Good Luck!
> >>>> 
> >>>> Dennis Miller
> >>>> 
> >>>> 
> >>>> 
> >>>>> From: mccartney at blackbearddata.com
> >>>>> To: meteorite-list at meteoritecentral.com
> >>>>> Date: Mon, 6 Feb 2012 22:17:55 -0700
> >>>>> Subject: [meteorite-list] 2nd Report
> from
> >>> Strewnfield in Edgewood Texas
> >>>>> Nothing has been found where the radar
> data said it
> >>> might be. Torvald
> >>>>> and Donavan have left the zone replaced
> by Stephen
> >>> Thompson out of
> >>>>> Fredricksburg TX who is an expert on
> Sonic Boom
> >>> characteristics.
> >>>>> I've been lucky enough to get some
> media attention
> >>> to try to motivate
> >>>>> the public to assist here is today's
> interview on
> >>> TV. This is the 5 TV
> >>>>> interview I've given since arriving.
> >>>>> 
> >>>>> http://dfw.cbslocal.com/video/6713580-meteor-hunters-scouring-north-texas/
> >>>>> 
> >>>>> We spent the day interviewing more
> witnesses&
> >>> compiling and extending
> >>>>> the range of sonic boom farther to the
> east to
> >>> include Wills Point, and
> >>>>> southern Lake Tawakanii.
> >>>>> 
> >>>>> We'll do some field samplings tomorrow
> east of 19.
> >>>>> 
> >>>>> Also as a warning. I've heard from a
> local that the
> >>> landowner who owns
> >>>>> the land in the north where the upper
> radar blip
> >>> is, has gotten very
> >>>>> hostile to all outsiders. The local
> warned me to
> >>> tell everyone to stay
> >>>>> off that property. He thinks the
> landowner may
> >>> shoot to wound or maim.
> >>>>> So I'd like everyone to take that
> threat to heart.
> >>>>> 
> >>>>> At this point, we have two new
> important
> >>> observations and think the
> >>>>> strewnfield to be east of 19 now.
> >>>>> At this point, there have been no Z
> sightings, but
> >>> the Black Panther
> >>>>> remains a constant threat. 5 dogs were
> killed.
> >>> Also, the park rangers
> >>>>> at the state park warned us that a
> mountain lion
> >>> has been spotted in the
> >>>>> area.
> >>>>> 
> >>>>> Some sonic boom activity has been
> traced back to
> >>> some individual using
> >>>>> some kind of reactive explosive that
> detonates when
> >>> shot by a bullet.
> >>>>> The local police has informed us this
> has been a
> >>> bit of a problem for
> >>>>> weeks. Consequently, it really screws
> up our
> >>> acoustical survey.
> >>>>> and a mention and big hand to Dirk
> Ross, David
> >>> Gonzales, and Marc Fries
> >>>>> for giving us back support.
> >>>>> 
> >>>>> -mccartney taylor&  stephen
> thompson
> >>>>> (meteorite hunter) (offical panther
> bait)
> >>>>> 
> >>>>>
> ______________________________________________
> >>>>> 
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> >>>>
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