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Archives August 2006

Night of 30/31 August - The clouds mostly lifted just after 22:30 and the hotspot on the front flank of the lavadome appeared soon after. The intensity of the hotspot varied throughout the night, which could be due to some residual clouds partly obscuring the view, rather than actual outbursts in activity.
The animation below shows the processed images of the mountain which have been enhanced to maximise the brightness of the glow and  superimposed over a daytime image of the crater for reference. The animation speed is set at 6 fps (equivalent of half an hour in real time per second).
Flash movie - enhanced images of the glow, superimposed on a background image of the mountain - only the area around the crater is animated (size 228kB)

Night of 28/29 August - The same hotspot we have seen for the last few days was active for most of the night, with one large outburst occurring at 03:26. There was a large tremor at 03:32 soon after the time recorded on the Volcanocam image (e.g. see Yellow Rock webicorder trace). (There may be an issue with the clock synchronisation).
The animation below shows the processed images of the mountain which have been enhanced to maximise the brightness of the glow and  superimposed over a daytime image of the crater for reference. The animation speed is set at 6 fps (equivalent of half an hour in real time per second). NB - this is a new background image!
Flash movie - enhanced images of the glow, superimposed on a background image of the mountain - only the area around the crater is animated (size 207kB)

Night of 27/28 August - The hotspot seen for the past couple of nights was active again last night. The glow from the area was not as consistent as seen last Friday night, but with bright outbursts occurring at 01:38 and 03:14 this morning - possibly indicating rock falls from a growing area of the lavadome.
The animation below shows the processed images of the mountain which have been enhanced to maximise the brightness of the glow and  superimposed over a daytime image of the crater for reference. The animation speed is set at 6 fps (equivalent of half an hour in real time per second). NB - this is a new background image!
Flash movie - enhanced images of the glow, superimposed on a background image of the mountain - only the area around the crater is animated (size 231kB)

Night of 26/27 August - The hotspot on the lower front flank of the active lavadome was visible again throughout the night - in the same location as the bright glow on 25/26 August. Although it was not as bright as the previous night and flickered more in intensity. 
The animation below shows the processed images of the mountain which have been enhanced to maximise the brightness of the glow and  superimposed over a daytime image of the crater for reference. The animation speed is set at 6 fps (equivalent of half an hour in real time per second). NB - this is a new background image!
Flash movie - enhanced images of the glow, superimposed on a background image of the mountain - only the area around the crater is animated (size 231kB)

Night of 25/26 August - A bright fairly consistent hotspot was visible from sunset to sunrise about half way down the lavadome. This is the first time for many, many weeks that we have seen a strong consistent glow like this - and its location is a little intriguing. Does anyone have any recent close-up images of the lavadome taken from JRO that we could use to pinpoint the source? Please drop me a note if you have an image that you would like to share.
The animation below shows the processed images of the mountain which have been enhanced to maximise the brightness of the glow and  superimposed over a daytime image of the crater for reference. The animation speed is set at 6 fps (equivalent of half an hour in real time per second). NB - this is a new background image!
Flash movie - enhanced images of the glow, superimposed on a background image of the mountain - only the area around the crater is animated (size 243kB)

Night of 20/21 August - There was a larger tremor recorded on the webicorders last night at 23:23 (e.g. see Yellow Rock webicorder) - which roughly corresponded with a brief visible outburst from the crater Unfortunately, this was the only activity seen on last nights images. This morning, the Volcanocam is showing the crater enveloped in dust/ash - which may also have been responsible for obscuring the view during the night (if it was windy, which I don't know).
The animation below shows the processed images of the mountain which have been enhanced to maximise the brightness of the glow and  superimposed over a daytime image of the crater for reference. The animation speed is set at 2 fps (equivalent of 10 minutes in real time per second) only the images between 23:20 and 23:45 are included.
Flash movie - enhanced images of the glow, superimposed on a background image of the mountain - only the area around the crater is animated (size 61kB)

Night of 04/05 August - Another clear night, with good views of the crater. There was one small outburst at 22:17, but otherwise the glow from the lavadome was quite faint for most of the night.
The first animation below shows the full frame processed images of the mountain which have been enhanced to maximise the brightness of the glow and the second shows those images superimposed over a daytime image of the crater for reference. The animation speed is set at 6 fps (equivalent of half an hour in real time per second).
Flash movie - enhanced images of the glow   (size 335kB)
Flash movie - enhanced images of the glow, superimposed on a background image of the mountain - only the area around the crater is animated (size 182kB)

Night of 03/04 August - It was another clear night at Mount St Helens and the glow from the lavadome was visible for most of the night. However, it was exceedingly faint and there were no significant outbursts of activity.
The first animation below shows the full frame processed images of the mountain which have been enhanced to maximise the brightness of the glow and the second shows those images superimposed over a daytime image of the crater for reference. The animation speed is set at 6 fps (equivalent of half an hour in real time per second).
Flash movie - enhanced images of the glow   (size 331kB)
Flash movie - enhanced images of the glow, superimposed on a background image of the mountain - only the area around the crater is animated (size 181kB)

Night of 02/03 August - The sky was clear and the incandescent glow from the lavadome was visible from sunset to sunrise. There were a few small rock falls, indicated by additional hotspots and brief increases in brightness during the night.
The first animation below shows the full frame processed images of the mountain which have been enhanced to maximise the brightness of the glow and the second shows those images superimposed over a daytime image of the crater for reference. The animation speed is set at 6 fps (equivalent of half an hour in real time per second).
Flash movie - enhanced images of the glow   (size 347kB)
Flash movie - enhanced images of the glow, superimposed on a background image of the mountain - only the area around the crater is animated (size 193kB)

Night of 01/02 August - Clouds obscured the view until 02:00 this morning, when a small, but bright hotspot is visible in the processed images.
The first animation below shows the full frame processed images of the mountain which have been enhanced to maximise the brightness of the glow and the second shows those images superimposed over a daytime image of the crater for reference. The animation speed is set at 2 fps (equivalent of 10 minutes in real time per second) only the images between 02:02 and 04:27 are included.
Flash movie - enhanced images of the glow   (size 132kB)
Flash movie - enhanced images of the glow, superimposed on a background image of the mountain - only the area around the crater is animated (size 102kB)