[meteorite-list] More exact information about the norwegian fall

[Chris Peterson]

Hi Bjorn-

A strewn field need not be forward of the retardation point at all. You need 
to look at the wind conditions, since that is very important in determining 
the fall zone. In the absence of other information, the best place to start 
searching is directly under the retardation point (or under any disruption 
events). Reports of sound are very useful- when you have found an area with 
many witnesses to sound, there's a good chance you are also near any 
possible fall zone.

Chris

*****************************************
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com


----- Original Message ----- 
From: "Bjorn Sorheim" <astrogeo at online.no>
To: <meteorite-list at meteoritecentral.com>
Sent: Wednesday, June 14, 2006 8:29 AM
Subject: [meteorite-list] More exact information about the norwegian fall


List,
I have tried getting more exact information on this fall.
In Norway any more exact info has not come out in the last days as far
as I know. Partly this is because the first sensational rush has died down,
and there is no reason to believe a Hiroshima explosion or anything
aproximating
that took place. Neither, as I write in another post, is an impact point or
crater/scar
found. The astromomers/scientist involved is not letting out more
information right know. They are probably considering what to do, or maybe
considereing just waiting to see if anything more pops up.

Personally I have been gathering information about this event using the
best info I can find.

I will put out some preliminary results, just to get this case in a more
sensible
direction:

I have found an endpoint height using the local witness information and 
photos
  (this is all my work):

Endpoint (Hemmungspunkt): 27.8 km (quite certain)
Inclination (quite uncertain) : near 45 degrees
Coming from direction :  W through N to E

Visible in an area of over 400 km.
Sounds (explosions etc.) for about 100 km , possibly more.
Sounded like a canon, rifle shot, thunder. As known, many was awaken
by the sounds, hypersonic bang/explosion in the North Reisadalen area.
Light phenomena: Even though there was a midnight sun low in the north, the
meteor lit up the mountains and landscape, it was like a white lightning.
The fireball was red in color and was fragmenting.
Only two persons has come out in the media with photos.
There seems to be no video. A bit unfortunately these two persons
are placed just a few km from each other and around 60 to 80 km
from the explosion.

So I wonder what the list make out of these more precise facts?

One question I have: How much further from the retardation point (end
point) in km
would the pieces travel given the numbers above?

Bjørn Sørheim,
in Norway