[Geysers] Briefly about Giant

[TSBryan at aol.com]

Because all of this list's moderators are in Yellowstone, normal posting  are 
not being sent out on a regular basis. So who knows when this will go. But  
for the record:
 
Yesterday (Wednesday, 9/5) Grotto ended a marathon somewhere in the  vicinity 
of 0700, for a duration of around 17 hours. Not long enough. The  recovery 
hot period began at 1413, involved Mastiff to 6 feet  and cone-filling surges in 
Giant, had a duration of near 16 minutes... and  resulted in no eruption.
 
Since then, some hot periods have had durations of 8 to 9 minutes, but  
they've been rather weak. For example, today at 1252 was a hot period that  lasted 
8m 45s but (I wasn't there but heard it on the radio) never had more than  
bubbling in Mastiff and no mention of Cave.
 
Last night, starting at (I believe) 2325 was the start of a Grotto. Its  
duration is unknown, but it might have been one of those in-between durations  
(like 5 hours or so). Early, even after a 0615 hot period, Bijou etc. acted  
almost as if there had been a true marathon. And as of about 1400, Grotto  
Fountain apparently still had not started (that is, 14+ hours after what had to  be a 
relatively short Grotto).
 
In summary, the entire Grotto-Giant complex seems out of sync so that  
nothing quite knows what to do.
 
Scott Bryan



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