OFVC Geyser Log for September 16 through September 30, 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 09/16/99 Old Faithful 7:38 L 7:35 09/16/99 Old Faithful 8:58 1:20 4:16 8:54 135 9:03 09/16/99 Old Faithful 10:28 1:30 4:02 10:20 140 10:26 09/16/99 Old Faithful 11:55 1:27 3:44 11:48 120 11:51 09/16/99 Old Faithful 13:21 1:26 4:07 13:03 145 13:11 09/16/99 Old Faithful 14:43 1:22 4:17 --- 130 14:46 09/16/99 Old Faithful 16:17 1:34 3:58 14:06 150 16:11 09/16/99 Old Faithful 17:37 1:20 3:55 17:37 110 17:38 09/16/99 Old Faithful 19:00 1:23 4:11 not seen 18:57 09/16/99 Old Faithful 20:21 1:21 20:26 09/16/99 Old Faithful 21:22 1:01 09/16/99 Artemisia 16:14 ie 09/16/99 Atomizer 14:47 minor; d-45s 09/16/99 Atomizer 15:50 minor 09/16/99 Atomizer 16:48 major 09/16/99 Aurum 9:46 ie 09/16/99 Aurum 13:28 09/16/99 Aurum 16:28 09/16/99 Aurum 17:18 09/16/99 Beehive 22:22 09/16/99 Beehive's Indicator 8:02 09/16/99 Beehive's Indicator 12:39 ie 09/16/99 Beehive's Indicator 14:46 d=21; logged as Beehive but d too long 09/16/99 Beehive's Indicator 17:09 ie end 17:10 09/16/99 Beehive's Indicator 22:17 ie