[meteorite-list] 2nd Report from Strewnfield in Edgewood Texas
Shawn Alan
photophlow at yahoo.com
Tue Feb 7 20:06:31 EST 2012
Jim 7 Listers
Jim try HAS002390341
here is a link of the radar image. the bounce back shows up in only one sweap and the elevation is about 4km
http://www.flickr.com/photos/48262799@N03/6838603313/
Shawn Alan
IMCA 1633
eBay Store
http://www.ebay.com/sch/ph0t0phl0w/m.html?
meteorite-list] 2nd Report from Strewnfield in Edgewood TexasJim
Wooddell nf114ec
at npgcable.com
Tue Feb 7 14:49:38 EST 2012
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________________________________
Steve, do you have the HAS order numbers for this or screen
shots?
Jim
----- Original Message -----
From: "Steve
Dunklee" <steve.dunklee at
yahoo.com>
To: "Marc Fries" <mfries8 at
hotmail.com>;
<meteorite-list at
meteoritecentral.com>; "Jim Wooddell" <nf114ec at
npgcable.com>
Sent: Tuesday, February 07, 2012 12:15 PM
Subject:
Re: [meteorite-list] 2nd Report from Strewnfield in Edgewood Texas
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)
>>>>>>
>>>>>>
>______________________________________________
>>>>>>
>>>>>> Visit the Archives
at
>>>>>> http://www.meteoritecentral.com/mailing-list-archives.html
>>>>>> Meteorite-list mailing list
>>>>>> Meteorite-list at
meteoritecentral.com
>>>>>> http://six.pairlist.net/mailman/listinfo/meteorite-list
>>>>>
>______________________________________________
>>>>>
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meteoritecentral.com
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>>>>
>>>>
______________________________________________
>>>>
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>>
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>
>
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meteoritecentral.com
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>
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