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Here’s some useful links.

I’ve seen a purported e-mail questioning a geologst connect with the Yellowstone Volcano Observatory, where the geologist questioned the analysis of the seismograph traces that appear to show harmonic tremors usually associated with magma movement.

The geologist suggested the higher than normal background vibrations might be a result of high winds in the area. Seismographs are typically isolated from surface vibrations, both mechanically and acoustically, however, if wind movement over a large area induced resonance in the ground strata, I suppose it’s possible for the instruments to pick it up in spite of careful isolation. The geologist said the area had been experiencing winds up to 70 mph at some of the times the rest state wave amplitudes indicated by the instruments was higher than “normal”.

In ay event, the question of whether there are harmonic tremors and magma movement is an important one.

Here is a link to the real time weather data for West yellowstone:

http://www.wunderground.com/cgi-bin/findweather/hdfForecast?query=est+Yellowstone&searchType=WEATHER

Here is a link to the LKWY seismograph trace:

http://www.quake.utah.edu/helicorder/lkwy_webi.htm

As you can see, in between minor tremors, the trace has been quiet since midnight, but between 1100 and noon local time, the background noise begins to grow in amplitude.

The increase in amplitude continues with the trace beginning at 1300, which is the last update currently available.

At 2:19PM local and at 2:23PM local the wind speed at the West yellowstone location shows 6mph and 7 mph respectively.

Since the seismograph data remains posted for five days, all we need are spot checks of the windspeed noted nearby for comparison, so if anyone checks that windspeed, it would be useful to post the time and windspeed indication in this thread.

If anyone can find and post links to hourly wind data at West Yellowstone going back to December 27th, that would be very useful too.