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Observations for 2020 August 20


Woke up to an orange sky, and not needing to go to Norris. Seems that fires in California are having an effect here. Another example of how California has to inflict itself on the rest of the country.

Having a Beehive eruption before noon was a bit of a surprise. Was a nice eruption because it was dead calm. The winds picked up minutes after the end, and lasted all day.

I don't know if the mid-day Grand had a Delay, as the Turban activity didn't match what I would expect. West Triplet was erupting with everything erupting behind it when I arrived. It was five Turban eruptions later that Sput D had a small erupion, followed by the One Burst Grand eruption.

Later caught a Daisy eruption in the wind, a two hour interval. That was followed by watching Spa for about 45 minutes. It had multiple large bursts. Nothing high, but lots of wide, sustained activity.

The evening One Burst Grand didn't require much of a wait. Rift was erupting as I arrived, and was still erupting when I left. This time Grand did have the Turban Delay. About 2-1/2 minutes before the eruption booping started, with the pool full but calm. It wasn't until there was a big boop that the waves started and Grand then quickly followed. Because of the smoke and lighting, it was a gray eruption on a smoky background.


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Observations for 2020 August 19


When the NPS says they are going to open an area at a given time, they mean it, even if the press release implies that they might open early. So we arrived into the Norris Basinat 10:00 instead of the usual dawn. Waiting for the lot to open was mildly entertaining, watching how people behaved to suddenly finding they needed to make a decision on what to do instead. As for the closure, it didn't matter, as New Crater/Steamboat didn't do much for most of the day.

Late, as the thunderstorms were starting, we did get the first strong minor that I've seen this summer. That was followed at about one hour intervals with other strong surges, but no actual attempt at erupting.

In my decades of coming here, I've seen a lot of geyser gazers who have disappeared or drifted away over those years. I do wish that Dave Leeking was one of them.

A while back I wrote up some advice and hints and observations for newer gazers. Here's something new to add, based on what I observed yesterday-- Don't go around telling vistiors you just met about the wonders to be found in areas closed by the NPS. Especially then don't go and give them detailed instructions on how to get into those areas and how to get around the NPS closure signs.


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Observations for 2020 August 18


It was exactly twelve hours since the last Grand eruption, and I had just passed Crested Pool when the One Burst Grand eruption started. Must've gone on the Turban delay.

Afterwards, noticed that it was getting close to the time for Daisy. Kept looking back as walked to get the bike, but no eruption. Had just left the bikerack when l heard the radio call.

Did get up there for the next eruption, which had an interval of less than two hours, but a duration of 3m11s, which is really short as I remember.

The next wait for Grand didn't have an official Turban Delay, but it acted like one. The first interval seen was about 24 minutes long, and then Grand proceeded to have Turban intervals with all the usual delay characteristics-- short Turban duration, short intervals, and little to no overflow from Grand. This time, though, Turban started the eruption, and there was a nice second burst. It was a long pause, so the crowd had plenty of time to get out of position for their selfie-photos of the second burst.

West Triplet started at the same time as the Turban eruption prior to Grand's eruption, and continued on even after Grand was finished. This meant the duration was up to 1/2 hour, and as expected, Rift started shortly after. West Triplet was still going when I left, for a duration in excess of 45 minutes.

Got the call for Beehive's Indicator, and despite the wind knocking it down, it was a nice long one, nearly five minutes. The crowd was small, despite the Naturalist telling people about it. Seems most people were more interested in getting over to Old Faithful, which erupted shortly after Beehive.


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Observations for 2020 August 17


Went out for the dawn Grand eruption when it just became light enough to not need a light to take notes. I didn't see a Turban delay, but then next four Turban intervals looked like there had been one, with some eruptions with no overflow, and short intervals between Turban eruptions.

When Grand did start, it was nicely lit by the sunlight well above the ridge. And we got a second burst, which made it even better.

The other day I noticed that the old stairway up from the Sawmill Group Bridge is being covered by formations deposited by South Scalloped.

I arrived back at Grand just in time to see Rift starting, and West Triplet ending. This was the folllowed by a 36 minute Turban interval for another Delay. Rift proceeded to erupt for almost exactly two hours, ending near the start of the four Turban interval delayed One Burst Grand eruption. This one had a short Vent & Turban pause. Belgian Pool also was full at the start of Rift, and full after Grand ended.

In the evening we got another Turban delay. It would have been a nice Grand eruption, with the sun low on the horizon. But had to wait two more Turban intervals for a One Burst Grand eruption right after the sun finally disappeared.


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Observations for 2020 August 16


Down by Fan & Mortar saw an osprey gliding upstream. It perched on on the top of e of the trees beside Link's runoff channel for a while, then suddenly launched itself toward the river. Unfortunately, it came up empty. It then cirlcled around a bit, and we thought it might return to the tree, but it headed upstream. About five minutes later, it reappeared low over the river, headed downstream with a small catch.

Up at Daisy, nothing much different. The duration of the eruption was short, although the intervals were just over two hours. Lots of Side Boiler activity in Splendid, and I left just as the activity switched to Main Vent.

The One Burst Grand eruption managed to have both a Turban delay and erupt almost outside the NPS prediction window. Just two minutes in. The delay was around 5h10m and had several small boops, so I wasn't surprised when it immediately dropped.

At Beehive, the wind was directly toward the walkway the whole time the Indicator was erupting. Just as Beehive started, the wind shifted to spray the walkway and platform on the other side of the river, and stayed that way for the duration of the eruption.

Went to Three Sisters Spring to watch Mugwump for a few hours. It was erupting about every twenty minutes. Most eruptions were minors, where there's one big burst and some other boiling, and the whole eruption lasts less than ten seconds. Did see a couple of major eruptions, with multiple big bursts, and a lot more overflow that lasts for a bit under 1/2 minute. The last one we saw was the best of the day, with a flood of water coming done.

Myriad #1 also had a couple of small but heavy boils during that time.

At Grand the Turban interval went long. Grand's pool was full, and over about 45 seconds, there were six to seven small boops. There were never really any waves, despite what Grand was doing. Then the pool dropped and stayed that way until Turban started about six minutes later. I was making notes when I looked up to see the pool back to full, with waves. No boops this time, but instead got a quick start with a nice bursting bubble. The rest of the eruption was a pretty typical One Burst Grand, although it lasted almost twelve minutes. At first it looked like Vent & Turban were going to continue, then suddenly Turban got a lot stronger for about fifteen seconds, and then abruptly quit. So much for any afterplay and an afterburst.

Finally, it was time to wait for a sunset Castle eruption. The rainbows were just starting to be visible at the top of the water column from our vantage point.


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Observations for 2020 August 15


Grand definitely seems to be in a mode where it is having four to six Turban delays if it doesn't erupt then. I didn't see the delay this morning, but all the Turban intervals and durations matched what I have seen after the other ones of the past few days.

This eruption itself had two bursts. The conditions were about a good as they get. It was late morning, so the sun was still backlighting the eruption as seen from the northern benches. There was no wind, and the sky was blue to the ridges. It was almost as perfect as 90% of the reported Fountain and Great Fountain eruptions are described to be.

Link runoff channel

Checked out the Fan & Mortar area. Nothing much exciting there, although there is no garbage mode, but definitely cycling. Noticed that the Link runoff culvert has a lot of dried and dying slime mats, implying that it's been a while since the last strong minor eruption.

The afternoon One Burst Grand fit the pattern. There was a 30 minute long delay Turban interval on which Grand erupted three minutes into the window.


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Observations for 2020 August 14


This time of year, arriving at Norris at 06:00 means it's still dark. Last month it was light for the drive from Madison Jct.

The parking lot was empty when we arrived, and over the next few hours a few people filtered in for the wait. The wind of the previous few days was gone, the sky was completely clear and there was little precipitation onto the platform.

The wait was pretty dull. No longer does it seem that New Crater/Steamboat has big, notable minors. Instead, the only sign of any progress seems to be that the South Vent becomes more voluminous and the platform to the left becomes wetter.

I'd just returned from a parking lot run less than ten minutes earlier, and was starting to read a book when suddenly the activity picked up. As with the 2020 August 03 eruption, there was no warning. Within seconds, the eruption was starting.

This eruption start seemed wider and not as tall as others I've seen. The wind direction was toward Echinus, so we never were in danger of getting wet. It took a while for the water to start down the North Vent's runoff channel, and none of the other channels under the switchback had water. North Vent only briefly went slightly gray, then was back to clean. Few rocks were thrown.

Later in the evening did go out for a nighttime One Burst Grand Eruption. It lasted long enough to insure no chance of a second burst.

Update:
Forgot to mention that on the drive back from Norris, I did see something erupting in T.Scott Bryan's Tangled Geysers group. I always glance over that way assuming the traffic allows for it. The feature was at least a meter tall, looking a lot like Old Tardy, and active the whole time it was visible.


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Observations for 2020 August 13


I figured getting out to Grand after a double interval of twelve hours would mean I'd get to wait a bit. Instead, I was at Belgian when the One Burst Grand eruption started.

From there it was a quick check to confirm that the Giant platform was completely dry and ignorable for now. Also wanted to look at Fan & Mortar, who had the start of a nice, normal cycle. No garbage mode that I could see.

Leaving there, I noticed that Grotto Fountain was bubbling. Didn't have to wait long before the pressure pool was suddenly full of water and almost to overflow. It was a ten minute long eruption before Grotto started, and it lasted over 21 minutes, ending suddenly. There was also activity from South Grotto Fountain before and after Grotto started.

The day started out breezy, and was extremely windy by the time for the next Grand wait. I had to wait almost half an hour to see my first Turban eruption, and it was six more Turban intervals before Grand finally erupted. The behavior was similar to yesterday's two long delays.

But we got a reward. Grand quit at around 7-1/2 minutes, then we got a short second burst start thanks to the wind. It looked like after about a minute that it would stop, but at that point the burst settled into nearly three minutes of Big Sawmill Mode. The followup West Triplet lasted only 26 minutes, but the restart was after that.

It was still windy in the evening, and cloudy so there wasn't any chance of a sunlit eruption even if it went early. As it was, arrived at what was probably near the start of a West Triplet eruption. As it erupted, Grand looked good much of that time. So once again we got an early delay.

Fortunately, it was only a two Turban interval delay until the One Burst Grand Eruption. Was enough light to see it. Would have been cooler and darker if it had waited.

It's amusing that it appears Grand has been bimodal the last few days, mostly erupting outside the NPS window on either side. Even this evening's eruption fits in, in that it tried to erupt early.


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Yellowstone Radio 2020 -- Part 1


For the first time in years, I listened in to the NPS radio channels. Got out of the habit, and had forgotten how entertaining it can be.

Some of the entertainments from the past couple of weeks

  • The woman who, because of a family dispute, decided to head straight down from Monument to Beryl. She broke her leg about a quarter of the way down, and had to be helicoptered out.
  • The campsite "100 yards from the Lone Star Trailhead". These three people got citations for "out-of-bounds camping", a fire outside of a firepit, and a dog in a closed area.
  • The two motorcyclists who were filmed engaged in "thermal trespass" in the Black Sand Basin. When Law Enforcement Ranger arrived, he called for backup. The radio check had one of them with a conviction in 1988 for "assault on a police officer" among many other incidents. They both ended up getting a court date.
  • The old guy who got cited for "disorderly conduct" after an altercation in the Upper Ham's Store over masks. Something about spitting was involved, it seems.
  • The Life Flight helicopter that made it to Old Faithful, but couldn't leave because of a check engine light. They had to send in a second one.
  • The Mercedes that got high centered parking off road north of Midway, and needed a towtruck to get out.
  • The bicyclist who went from Geyser Hill to Biscuit, only to have Law Enforcement waiting for him with a citation.
  • The guy whose traffic stop check included a "non-extraditable warrant from Virginia."
  • The guy who got cited for camping up by Harlequin Lake. It was dark and he had to tear it all down.
  • The people who drilled holes into trees in the Madison Campground so they could insert hooks and hang their hammocks.
  • The fifth-wheel that couldn't make one of the corners at the fire road emergency bypass without taking out a bunch of cones.
  • The drone operator out by Castle who got a court date.
  • The leaking propane tank over by one of the ranger housing units.
  • The day there were three medical emergencies over by the Lodge and the Photo Shop. They had to call in backup from Grant that day.
  • Various boats, kayaks and floatation devices used by people in the Firehole River above the falls south of the closed swimming area.

That's just what I remember and was able to decipher. Should have plenty to post for Part Two in a few weeks.


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Observations for 2020 August 12


The middle of the night One Burst Grand eruption continued the number of short intervals I've seen recently. The sky was overcast, so not much opportunity for any meteor observing.

I did have to wait a Turban interval, but that one ended with another of those Turban starts where it just feels like Grand wants to start. The power of Turban, combined with the hint of steam getting thicker over Grand proved to be correct. That eruption was one of those with several minutes of Big Sawmill, padding the duration out to 12-1/2 minutes.

West Triplet started before the eruption, and right after Grand finally quit. Rift started.

Went out again in the morning for the next One Burst Grand. It was overcast, breezy, and cool. Got a Turban Delay with the first Turban eruption after arriving. This one even featured a small Grand boop several minutes before Turban started. Right after the boop, the pool dropped and kept dropping.

Ended up having a six Turban delay, although if one of the intervals had been about 30 seconds longer, it would have been a D2/D4. Several of the Turban intervals featured weak or no overflow from Grand, and short durations for Turban. It finally erupted on a short Turban interval where the pool was full by eleven minutes and then kept slowly filling with lots of waves.

The pool drained after the first burst, then refilled. It sloshed for over a minute before until Vent started having some powerful jetting, signaling the end. With the draining, Vent & Turban quit almost immediately.

Also got to see a Churn eruption from the benches right before the first Turban Delay. At some point, would be nice to see one up close.

The afternoon One Burst Grand was almost a repeat of the morning's activity. There wasn't a threat of rain, but it was overcast, cool, and windy. The interval was slightly longer even though the Turban Delay was for five intervals instead of six. West Triplet was ending an eruption as I arrived, and it started again during the Grand eruption.

All three Grand eruptions today were outside the NPS prediction windows. The first was before, the later two were after.


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Observations for 2020 August 11


It was a day to do things outside the thermal areas. Although, I did visit Mud Volcano for about an hour for the first time this century. Took some video which will have to wait until September to get posted.

Did go out after dark for the One Burst Grand eruption. Expected to wait a while, instead got an interval under 5-1/2 hours. That's four eruptions in a row where I've waited less than a Turban interval.


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Observations for 2020 August 10


Found out during the night that there was no need to go to Norris. Woke up to find that Fan & Mortar had finally erupted. Out at Grand, waited 30 minutes for Turban to finally start. Grand's pool was low at the time, but quickly filled and we got a One Burst Eruption with an interval of less than six hours.

The next One Burst Grand eruption was also on a short interval. Arrived for the last minute of a West Triplet eruption, and Grand started less than 15 minutes later.

After that, spent mid-afternoon waiting on Geyser Hill, since Beehive has been having one day intervals this week. Turns out in quick succession, we got Lion and Beehive eruptions, and then, after about ten minutes, an Aurum eruption.

The final One Burst Grand eruption of the day was also a Turban Delay start. I didn't see the previous Turban eruption, but it had been over 25 minutes when Grand had its first boop. Over the next 80 seconds, there were several of them, some to 2 to 3 meters in height. Finally, one of the boop went from boiling to jetting, and the eruption started.

So I saw three Grand eruptions today, and didn't see any Turban intervals, but did see to Turban Delays.


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Observations for 2020 August 09


Another day pretty much like the previous. Again, there was some nice activity from New Crater/Steamboat during the morning, but by afternoon it had settled into a mode where it looked like it was trying to start, but as soon as the North Vent started to build, it would die down instead.

I also didn't get to see the bear that wandered up Tantalus Creek and headed off toward the parking lot.


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Observations for 2020 August 08


Arrived at Norris in the dark. It appeared that New Crater/Steamboat was much improved from yesterday. But that only lasted until mid-morning. As the day progressed, it regressed. When we left just before sunset, the activity seemed to be little better than what we'd see yesterday. The platform and rocks around the South Vent were dry, as well as the back runoff channel. A disappointing day.


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Observations for 2020 August 07


Spent about an hour and a half at Norris to confirm that it was way too early for a Steamboat/New Crater eruption. The activity was even quieter than when we arrived for the previous eruption. Based on this, we figured there was at least six to eight hours before the chance for an eruption, and left.

Got back just in time to head out to Grand. The interesting things about the morning One Burst Grand eruption was the way Vent and Turban died down to almost nothing, then came roaring back. Stuck around for the possibility of afterbursts, but the afterplay didn't start for over ten minutes.

Mid-afternoon Beehive eruption had a slow start, with about ten seconds of large surges to about 5-7 meters before actually starting. But despite the wind, it was a nice tall eruption.

The afternoon had another One Burst Grand Eruption. This time Cent & Turban did quit, and it took nearly 24 minutes for them to restart. Once again there was a short, 6 minute West Triplet eruption after Grand quit.


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Observations for 2020 August 06


Was probably the last opportunity for a moon-lit Grand eruption, so went out even though the high clouds scattered the light so that there weren't sharp shadows. Unlike most nighttime eruptions, the breeze for the One Burst Eruption was not to the north, so the eruption was nicely visible from the wooden benches area.

With the parking lot scheduled to be gone next year, a trip out to Imperial was fairly high on the list of things to do this year.

We got a later start than intended, and the lot was well over half full by the time we arrived around 09:00. There were considerable number of people going beyond the overloop not just to Fairy Falls, but to Imperial. The whole hour we were there, there was at least another group present.

Imperial erupted continuously whiile we were there. Some of the bursts were huge. From where we were at the last trees before the mudpots, some of the water was visible well above the ridgeline. If my math is correct, these bursts were around 12.5m (45ft) high.

Also watched Spray coming and going. Didn't get intervals, but did see it slow down each time, stop for perhaps 15 seconds, the slowly restart.

Arrived back to the Upper Basin just as the Grand eruption window was opening. Went out and there was already no room on any of the benches, except one wooden one at the very north. Once Vent started, I made my way down toward Rift, as the spray from the wind, while not reaching the boardwalk, was obscuring the water column. Did get a second burst, a nice tall one. And Vent & Turban didn't quit afterward.

Not much to say about the evening One Burst Grand Eruption. Rift was erupting as I arrived. It appears there was a Turban Delay in progress then, based on the next Turban eruption being without overflow and having both short interval and duration. The delay was for three Turban intervals, and Rift quit during Grand's eruption.