| Date: | 2015-11-03 |
| Time: | 0946 ns |
| Geyser: | Lion |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2015-11-03 09:47:31 |
| Time Updated: | 2015-11-03 11:52:43 |
| Time Uploaded: | 2015-11-03 09:52:54 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | |
| Comments: | First noticed eruption at late 0946 (partly obscured by heavy Old Faithful steam). |