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The Madrid Meteorite of 1896


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#1 Weather-history

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Posted 04 July 2008 - 13:21

Report on the bolide that exploded over Madrid on the 10th of February 1896

On Monday, February 10th, at 9h 29m 30s, there was observed an instanteous bluish-white illumination in the atmosphere, so strong and vivid as to be visible in the inner rooms and in the open air.
The day was a magnificent one; blue sky, no wind and a raidiant sun. Soon after there was plainly visible near the zenith and some few degrees to the SE, a white spot, like smoke, bearing NE to SW of about 6 degrees in length and 1 degree in width; its form was semicircular with the convexity turned to the east. In the centre and near the apex of the curve, it presented a condensation of a reddish colour, similiar to that of clouds at sunset. The general appearance of the spot was that of a cirro-cumulus.

At 9.30am 40s there was heard a deep and very strong detonation, accompanied by many others not so intense, similiar to the noise produced by a large cannonball rolling along the upper storey of a house. This noise was very prolonged; it was found to last two minutes.

Meanwhile the vibration of windows and partitions (not the thick walls) was extraordinary and the rattling of panes of glass alarming. In some houses all the window-panes were broken.

Judging from the time which elapsed between the light and the sound of the first detonation, the meteor exploded in the air at a distance not less than 24km (15 miles) and this number is evidently too low.

Considering the aspect of the spot of smoke, it seems probable that the meteor proceeded from the SE towards the NW and near the zenith of Madrid it exploded.

Changed into smoke and dust, totally or partially, this smoke was carried away the upper currents of the atmosphere to the east. We find here a splendid confirmation of the theory which supposes that at the upper limits of the air, the wind moves from west to east.

The cloud continued its course to the ENE, dissolvong gradually away and at 3pm it was still perfectly visible like a light cirrus in the east some 20 degrees above the horizon.

The compression of the atmosphere at the instant of the conflagration was indicated by the registering barometers. In the aneroids, the trace is small but the mercurial one shows that the column rose 1.6mm and lowered 0.7mm, the amplitude of the total oscillation being 2.3mm

In the neighbourhood of Madrid, some fragments of the meteorite fell and I have obtained one of them. Externally the fragment is of a black metallic aspect; inside it is of white stony appearance, with somebrillaint points like nickel; it weighs 6.3mm grams.

From information received later; it appears that the phenomenon was visible in a large part of the Peninsula from Sierra de Estrella (Portugal) on the Mediterrnean coast and from Segovia to Aguilas or a distance of 700kms from E to W and 400kms from N to S.

Augusto Arcimis, Director of the Observatory.





It was speculated at the time that the bolide could have weighed as much as 130+kgs.
Manchester Summer Index 2014: 228 (up to 17th July)

#2 cookie

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    Hurricane Tracker

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Posted 06 July 2008 - 20:16

great read thanks mate :(
---------------------------------------------------------------------------------------
Isle of Lewis
The below are taken from Ness weather station
94.4 mph Highest wind speed recorded on the 23/12/2007 for winter 07/08

105.9 mph Highest wind speed recorded on the 18/1/09 for winter 08/09
78.8 mph Highest wind speed recorded on the 8/9/09 for winter 09/10
103.6 mph Highest wind speed recorded on the 3/2/11 for winter 10/11
100.9 mph Highest wind speed so far on the 25/11/11 for winter 11/12
105.9 proof
78.8 mph proof

#3 Rustynailer

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    Black Swan, deal with it.....

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Posted 06 July 2008 - 22:03

I wonder are there any fragments now in the hands of scientists or lost as just some small rocks in somebody's shed? :(
Talking of meteors, I remember one about 1978-80ish, lit up my bedroom like it was daylight yet it was pitch outside and the thick curtains were drawn (winters were proper then and you needed thick curtains).
The next day it was on the news, some firemen in the midlands reckon they saw it hit the ground but they could not find it.
Later it was suggested that the meteor actually deflected off of the atmosphere and went back away into space.
Regards,
Russ.
Western Isle of Wight, 18m asl.

#4 I can't believe it's not better

I can't believe it's not better

    Oh No!

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Posted 06 July 2008 - 22:38

It's 'funny' how we can control so much, here on earth. But we're still at the mercy of matter flying through space and hitting us. One day I suppose it will be a REALLY BIG ROCK. :(