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Observations for 2024 June 07


The day started with a 1d11h interval for Rift. The Grand Group had barely recovered from the previous eruption when this one started. Six hours later we finally got the One Burst Grand eruption starting explosively after several boops.

At first the Turban eruption intervals and durations got shorter as expected, but the last two eruptions had longer intervals and longer durations than earlier. The Rift eruption lasted about 2-3/4 hours, but it took three more hours before Grand finally had a long, strong fill. The Grand eruption lasted almost eleven minutes, yet Vent & Turban continued to erupt. It appears that the reactivation of Rift is finally having an effect on Grand.

During the wait, I did get to see Uncertain erupt. Others noticed that the vent was full and even overflowing while Sawmill was in eruption, so once one of the Turban eruptions ended, I walked down that way. As I passed Old Tardy, Sawmill ended. The Uncertain eruption took place within a couple of minutes.

2024-Jun-07:14:09:23 T1C

 14:09:04	Vent Ovfl	-0m19s
 14:09:14	Boop	-0m09s
 14:09:22	Turban	-0m01s
 14:09:23	B1	--- d=10m47s
 14:11:19	Vent	1m56s
 14:20:10	P1	10m47s
Vent & Turban continue

				     	ΣD=10m47s
	* * * * *
 08:19:52			
 08:35:52	Int: 16m00s	d=03m38s 	
 08:56:04	Int: 20m12s	d=04m25s 	
 09:14:03	Int: 17m59s	d=04m06s 	
 09:34:15	Int: 20m12s	d=03m56s 	
 09:55:31	Int: 21m16s	d=03m57s 	
 10:13:57	Int: 18m26s	d=03m46s 	
 10:32:09	Int: 18m12s	d=03m10s 	
 10:49:58	Int: 17m49s	d=03m25s 	
 11:09:02	Int: 19m04s	d=03m26s 	
 11:27:05	Int: 18m03s	d=03m40s 	
 11:44:25	Int: 17m20s	
 12:01:23	Int: 16m58s	d=03m05s 	
 12:18:41	Int: 17m18s	d=03m38s 	
 12:36:52	Int: 18m11s	d=03m00s 	
 12:52:43	Int: 15m51s	d=02m59s 	
 13:08:39	Int: 15m56s	d=02m45s 	
 13:28:21	Int: 19m42s	d=03m28s 	
 13:46:28	Int: 18m07s	d=03m54s 	
		     Turban: 22m54s

Was going to wait for Castle after Grand erupted, based on the NPS prediction. But then several people started doing the math, and concluded that it would be several hours before Castle had a chance. That Castle was completely dead the whole time we were considering our options reinforced that conclusion. Castle ended up erupting over three hours later.

Grand is now seems to be in a mode where it is erupting three times a day, with two of the eruptions in the dark.

Went out at sunset for a Grand erupion in the dark. It was still light when we got a Turban Delay interval. Three Turban intervals later Grand had the One Burst Eruption lasting one second under ten minutes.

2024-Jun-07:22:01:23 D3/G1C

 22:01:23	B1	--- d=09m59s
 22:11:22	P1	9m59s
Vent & Turban continue

				     	ΣD=09m59s
	* * * * *
 20:39:22			d=03m56s 	
 21:05:57	Int: 26m35s	d=04m19s  D0	
 21:22:58	Int: 17m01s	d=03m56s  D1	
 21:40:47	Int: 17m49s	d=03m48s  D2	
		      Grand: 20m36s

And why is it that family reunion groups staying in the Old Faithful Lodge Cabins have to be so loud and obnoxious? Do they not realize that not everyone is a part of their little clan?