[Geysers] Curious about Spasm.

[lynn stephens]

I'm in Bozeman (actually Belgrade, but close enough), without my library, so won't quote chapter, verse, year, etc., but yes, Spasm may be empty at the time Fountain starts.  There are at least two scenarios I have seen where this happens.

1.  There is a window between Fountain eruptions where the water that flowed into Spasm from the preceding Fountain eruption has drained and Spasm has not yet started refilling.  Fountain starts without Spasm and Spasm acts as a drain.

2.  If Fountain's interval is long enough, the water from the preceding Fountain may drain, Spasm may fill and erupt, and then Spasm finishes its eruption.  Fountain then starts an eruption with Spasm empty.  (If Fountain's interval is really long, Spasm may have more than one eruption during Fountain's interval.)

Lynn Stephens



---------- Original Message ----------------------------------
From: "MA Bellingham" <mabdepot at msn.com>
Reply-To: geyser observation reports <geysers at wwc.edu>
Date:  Fri, 21 Apr 2006 22:05:23 -0600

>Just home from opening day. At Daisy Carolyn L reported yesterday's Fountain 
>as beginning the eruption from a low pool.  Today Darrell and Ann S saw a 
>low low pool and thought they'd wait a bit more, but it didn't look 
>promising.  Jet was going. Spasm empty.  Suddenly one of those quick fills 
>and a start.  I arrived shortly after that.  Spasm never filled, it is a 
>total drain, like someone pulled the plug.  I don't recall this?  Fill me 
>in.
>
>Giant hot periods today started good, then petered out.  Grotto was in 
>marathon when I left. Temps were glorious, finally!
>
>Heading back in tomorrow, will discuss this with Lynn when I see her.
>See you at Grand,
>MA
>
>M.A. Bellingham
>mabdepot at msn.com
>
>
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