OFVC Geyser Log for August 16 through August 31, 1999.
Transcribed By Lynn Stephens
Geyser Log abbreviations ie in eruption (wasn't observed at start) d duration I interval h height 3h45m15s "3 hours, 45 minutes, 15 seconds (for instance)" > greater than < less than ns "near start (the top of a steam column is observed still rising--when in doubt, ie is use d)" ini "initial-used for Lion, for instance" MJR major min minor ind indicator-used for Beehive vr "Visitor Report-it can be logged, (a reliable report) but the time might not be accurate" B "bursts as in Grand or Plume, recorded for instance as 3B" of overflow p "pause, time between 1 meter boil and burst from Great Fountain" Grand Eruption Codes: Interval type Dn Grand erupted n Turbans after long interval D0 Grand erupted on long Turban interval N No long Turban interval observed Starting Geyser T Turban G Grand Bursts n n bursts n+m n bursts plus m afterbursts * long 2nd burst (d>1m15s) # long 3rd brust (d>1m15s) C Continue Q Quit ---------------------------------------------------------------------------------------- Time Interval Duration Preplay Height Prediction 08/16/99 Old Faithful 6:49 4:17 6:33 135 08/16/99 Old Faithful 8:14 1:25 1:55 not seen 135 8:18 08/16/99 Old Faithful 9:17 1:03 4:27 9:06 135 9:14 08/16/99 Old Faithful 10:45 1:28 4:08 10:41 115 10:49 08/16/99 Old Faithful 12:08 1:23 2:02 --- 115 12:10 08/16/99 Old Faithful 13:11 1:03 4:39 13:07 135 13:08 08/16/99 Old Faithful 14:40 1:29 4:02 14:37 130 14:48 08/16/99 Old Faithful 16:11 1:31 4:06 15:59 130 16:03 08/16/99 Old Faithful 17:33 1:22 4:14 17:27 120 17:35 08/16/99 Old Faithful 19:07 1:34 2:18 18:55 120 19:01 08/16/99 Artemisia 13:20 ie 08/16/99 Aurum 8:28 08/16/99 Aurum 13:18 08/16/99 Aurum 17:53 08/16/99 Aurum 20:33 08/16/99 Beehive 21:47 vr 08/16/99 Beehive's Indicator 6:30 ie 08/16/99 Beehive's Indicator 8:58 ie 08/16/99 Beehive's Indicator 12:06 ie 08/16/99 Castle 11:45 08/16/99 Daisy 7:19 08/16/99 Daisy 9:03 08/16/99 Daisy 10:51 08/16/99 Daisy 12:36 08/16/99 Daisy 14:19 08/16/99 Daisy 16:03 08/16/99 Daisy 17:43 08/16/99 Daisy 19:32 08/16/99 Depression 6:55 ie 08/16/99 Depression 13:33 08/16/99 Depression 20:08 08/16/99 Fountain 10:07 d=30 08/16/99 Giant hot period ~09:25 d~4m no Mastiff ovfl 08/16/99 Grand 19:19 N/G2Q d=10m55s 08/16/99 Great Fountain 16:51 p=1 08/16/99 Grotto 12:48 08/16/99 Grotto 17:56 08/16/99 Grotto Fountain 12:45 08/16/99 Grotto Fountain 17:52 ie 08/16/99 Lion 13:05 initial 08/16/99 Lion 14:34 08/16/99 Lion 21:02 08/16/99 Little Cub 8:16 ie 08/16/99 Little Cub 9:32 ie 08/16/99 Little Cub 10:58 ie 11:03ie 08/16/99 Little Cub 13:51 ie 08/16/99 Norris Pool pulled down grass ~1 1/2 ft. above pool lvel; active on 5-20 m 08/16/99 Norris Pool intervals when observed between 11:30 and 1330 (ht ~2-3 ft) 08/16/99 Oblong 13:55 ie 08/16/99 Penta overnight 815-8/16 (betweeon 20:30 and 06:30) 08/16/99 Pink 16:37 08/16/99 Pink 18:50 08/16/99 Plate 8:41 ie 08/16/99 Plate 12:09 08/16/99 Plate 20:49 ie 08/16/99 Plume 6:14 08/16/99 Plume 7:36 08/16/99 Plume 8:18 08/16/99 Plume 8:59 08/16/99 Plume 9:37 08/16/99 Plume 10:15 08/16/99 Plume 10:54 08/16/99 Plume 11:32 ie 08/16/99 Plume 12:12 08/16/99 Plume 12:53 08/16/99 Plume 13:31 08/16/99 Plume 14:13 08/16/99 Plume 14:57 08/16/99 Plume 15:36 ie 08/16/99 Plume 16:13 08/16/99 Plume 17:29 ie 08/16/99 Plume 18:10 08/16/99 Plume 18:51 08/16/99 Plume 20:52 08/16/99 Rift 6:45 08/16/99 Riverside 12:52 08/16/99 Riverside 18:41 ie 08/16/99 Sawmill 7:45 08/16/99 Sawmill 9:07 ie 08/16/99 Sawmill 11:08 ns 08/16/99 Sawmill 17:30 ie 08/16/99 Vent & Turban 6:28 ie 08/16/99 West Triplet 6:43 ie 08/16/99 West Triplet 15:38 d=32m 08/16/99 West Triplet 18:33 08/16/99 White Dome 16:00 08/16/99 White Dome 16:45 08/17/99 Old Faithful 7:21 4:37 not noted 08/17/99 Old Faithful 8:54 1:33 4:04 8:45 150 8:57 08/17/99 Old Faithful 10:24 1:30 4:18 10:11 10:17 08/17/99 Old Faithful 12:03 1:39 4:30 11:42 150 11:53 08/17/99 Old Faithful 13:14 1:11 ~4:05 --- 125 13:37 08/17/99 Old Faithful 14:44 1:30 4:25 14:33 110 14:40 08/17/99 Old Faithful 16:13 1:29 4:18 16:07 140 16:14 08/17/99 Old Faithful 17:36 1:23 3:56 17:27 110 17:42 08/17/99 Old Faithful 19:12 1:36 4:20 18:51 155 18:56 08/17/99 Aurum 8:57 08/17/99 Aurum 12:34 08/17/99 Aurum 15:31 08/17/99 Aurum 19:10