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- Observations for 2026 May 30I considered going for a moonlight Grand eruption, but at around midnight the moon was behind a cloudbank, and the weather radar map showed incoming showers in an hour or two, so I decided to stay indoors. In the morning the rains had let up by the time to head out for the next Grand … Continue reading "Observations for 2026 May 30"
- Observations for 2026 May 29The first Turban eruption after I arrive at Grand in the morning is a Delay interval. Three eruptions later we get a second Delay Interval. It takes five more Turban intervals before West Triplet starts to erupt. Grand finally has the One Burst Eruption another Turban eruption interval later. Instead of triggering Rift, West Triplet … Continue reading "Observations for 2026 May 29"
- Observations for 2026 May 28When I awoke at 05:00 surprised to see an entry for Turban around 04:30. That meant that Grand probably hadn't erupted, and worth going out. It was just getting light and a bit foggy, but I arrived to find Grand still full at 9-1/2 hours. There didn't seem to be any indication of a recent … Continue reading "Observations for 2026 May 28"
- Observations for 2025 May 27It was foggy overnight, but that had burned off by the time to head out in the morning. Turns out I got out to Grand earlier than necessary, so went over to Geyser Hill just to take a look. Returned to Grand about an hour later. Returned in time to see West Triplet start to … Continue reading "Observations for 2025 May 27"
- Observations for 2026 May 26I knew that Rift was erupting before I headed out in the morning. Based on the strength of the overflow from Grand, the amount of time before Turban erupted after my arrival, and the long duration of the Turban eruption, I believe that was a Turban Delay interval. The next Turban eruption had no overflow, … Continue reading "Observations for 2026 May 26"