| Date | Time (GMT) | Event | Parameter Change
| 10/01/99
| 0800
| layer (640 m) w/weak wave motion for 1 hr
| 50 gates @ 30 m
|
| 1400
| linear inversion rise: approx. 300 m/hr
|
|
| 2100
|
| 70 gates @ 20 m
| 10/02
| 2018
| layer (500 m), remains till 1400 next day
|
|
| 2100
| weaker layer (700 m), merges w/prev. by 0200 next day
|
| 10/03
| 1000
| Activity above surface layer > 2nd layer (600-1000m) till after 1400
|
|
| 2300
| strong layer (800 m), lasts till morning
|
| 10/04
| 0640
| layer descends from 800 m to near surface
|
|
| 2300
| weak layer (700 m), remains of capping inversion, varying strength thru night
|
| 10/05
| 0600
| descending layer above NBL, layer above (600 m); upper descends w/wave motion
|
|
| 0615
| single wave motion at 400 m, approx. 4 min. period
|
|
| 1540
| layer at 500 m merges w/rising Zi
|
|
| 2300
| layer at 800 m (Zi?) persists until 0300
|
| 10/06
| 0800
| multiple layers at 200, 600, 1000-1200 m rest of night
|
| 10/07
| 0000
| persistent weak layer at 800-1000 m thru night
|
| 10/08
| 0600
| layers at 300 (rising), 500, 800, 1300 m
|
|
| 2300
| rising layer 100 m --> 800 m by 0230
|
| 10/09
| 0300
| 2 layers (400, 800 m), weak thru night, lower mergers at 1330
|
| 10/10
| 0600
| very weak layer develops approx. 300 m
|
|
| 0630
| weak rising layer from NBL
|
|
| 1320
| Brief event at NBLTOP, then strengthening of layer at 352 m for 5 min
| 66 gates @ 15 m
|
| 1600
| layer at 282 m merges w/Zi
|
| 10/11
| 1000
| NBL=282 m, layer at 423 m, apparent downward motion w/layer and NBL
|
|
| 1600
| Good wave motion at Zi and above, w oscillating
|
| 10/12
| 0230
| layer at 212 m or balloon (?)
|
|
| 0500
| Descending layer from 846 m to 352 m at 1000, remains until 1200
|
|
| 0530
| new layer below 0500GMT layer (494 m) cont. untill 0800, merges w/0500GMT layer
|
|
| 2300
| NBL deepens to 141 m
|
| 10/13
| 0000
| NBL deepens steadily till 0700 (247 m)
|
|
| 0730
| weak layer/activity at 705 m
|
|
| 0800
| NBL deepens rapidly to 282 m, then to 494m by 1000
|
|
| 1000
| NBL breaks into several discrete levels/activities
|
|
| 1145
| Event from top to bottom of chart for approx. 15 minutes
|
| 10/14
| 0000
| layer at 705-846 m persists
|
|
| 0500
| layer at 634 m, NBL gradually deepens to 212 m at 1300
|
|
| 0900
| layer at 564 m strengthens, gradually descends/merges w/NBL at 1430 (212 m)
|
|
| 1300
| layer at 846 m descends till merges w/Zi at 1700-1800
|
|
| 2300
| layer at 705 m
|
| 10/15
| 0000
| descending layer/activity at 282 m
|
|
| 0100
| descending layer from 776 m to 212 m (NBL) by 0200
|
|
| 0400
| rising layer from NBL
|
|
| 1100
| strong NBL returns to 282 m, weak layer immediately above to 423 m
|
| 10/17
| 0400
| several poorly defined layers, shallow NBL
|
|
| 0630
| rising (?) layer 70-705 m by 0700
|
| 10/18
| 0000
| quasi-periodic deepening of NBL to 212-282 m --> 0200
|
|
| 0630
| sudden deepening of NBL from <70 m to 212 m thru elevated layer at 212 m rest of night
|
|
| 1130
| second layer at (lowers to) 352 m moves parallel to lower layer till 1300
|
| 10/19
| 0030
| activity at 494 m
|
|
| 0220
| layer at 423 m
|
|
| 0240
| sudden deepening, rising layer from NBL to 212 m
|
|
| 0400
| layers at 352 m, 634 m
|
|
| 0430
| deeping, activity above NBL (212 m)
|
|
| 0700
| strong layer at 423 m, descending to NBL at 0800
|
|
| 0730
| descending layer from 846 m --> 282 m by 0900
|
|
| 0900
| descending oscillating layer at 634-846 m (gravity wave)
|
|
| 1300
| layer at 282 m remains (strong, w/w downward)
|
|
| 1915
| change sample rate to 500
|
| 10/20
| 0000
| sudden formation/activity at 282 m for 30 minutes
|
|
| 0200
| layer above NBL (at 70 m) also at 282 m (may be echo)
|
|
| 0400
| layer at 494 m descending to 282 m by 0500 w/oscillations/activity/breaking waves
|
|
| 0530
| layer at 212 m strengthens --> multiple layers --> 0800 T-sonde penetrates
|
|
| 0830
| multiple layer merges w/NBL, multiple layers continue at 212 m, 352 m ...merge
|
|
| 1300
| layers merge --> merge w/Zi at 1430
|
| 10/21
| 0030
| several rapidly descending layers merge w/NBL
|
|
| 0130
| weak layer at 564 m
|
|
| 0130
| layer at 141-212 m separated from NBL w/significant activity, merges w/NBL --> 0430
|
|
| 0300
| elevated layer at 564 m descends to 282 m by 0410
|
|
| 0600
| strong layer at 282-352 m till 0730 then rises rapidly/dissipates
|
|
| 1000
| weak layer at 352 m --> 212 m merges w/NBL at 1110 just after T-sonde penetration
|
| 10/22
| 0000
| Descending layer to NBL from 282 m --> 70 m in 20 miutes
|
|
| 0100
| layer rises from NBL in steps to 282 m by 0130
|
|
| 0140
| layer descends from 423 m to 141 m by 0300
|
|
| 0300
| rapidly descending layer from 494 m to 212 m (NBL) by 0330
|
|
| 0330
| rapidly descending layer from 494 m to 141 m (NBL) by 0354
|
|
| 0420
| descending layer at 212 m. Activity/rising layer till 0500
|
|
| 0600
| layer at 212 m. Strong w rest of night
|
|
| 1200
| mulitple rising layers 141-423 m mostly w downward
|
| 10/23
| 0000
| several weak, rapidly descending layers to "sfc" continue to 0300
|
|
| 0600
| activity/strenghtening of layer at 212-282 m rises slowly above deepening NBL | reaches 494 m by 1000; mostly w downward within NBL, layer
|
| 1030
| layer dissipates to multiple, thin layers up to 564 m
|
| 10/24
| 0000
| weak layer at 846 m (Zi?); multiple descending layers to sfc NBL
|
|
| 0200
| upper layer now at 705 m strengthens then weakens; activity at 212 m
|
|
| 0330
| multiple layers 70-423 m w/stronger w continues thru night.
|
|
| 0900
| Strong, well-defined w upward at 106 m --> 1200
|
|
| 1300
| layers descending except for 1 at 317 m
|
| 10/25
| 0000
| layer remnant from Zi at 705, weak layer at 388 m, descending slowly
|
|
| 0200
| 3 layers descending unparallel; 846 m, 494 m, 212 m
|
|
| 0300
| bottom 2 layers merge at 141 m remain constant z till 0530 merge w/NBL | Upper layer now at 282 m, descending, merges at 0630 at 141 m
|
| 0500
| new layer at 494 m approx. constant z till 0700
|
|
| 0600
| descending layer at 916 m
|
|
| 0700
| layer at 494 m descending to NBL (141 m) at 0830
|
|
| 0840
| layer at 564 m with oscillations
|
| 10/25
| 1000
| multiple descending layers; main, strong one at 705 m, 423 m by 1100
|
|
| 1200
| multiple strong descending layers at 423 m, 564 m, 670 m, 811 m
|
| 10/26
| 0000
| descending layer at 352-423 m, constant layer at 705 m, no NBL. Multiple layers continue through night w/little surface development
|
|
| 1000
| Possible breaking waves at 282 m, 352 m
|
| 10/27
| 0000
| weak rising layer at 352 m
|
|
| 0115
| wave motion in layer at 282 m
|
|
| 0130
| second layer at 634 m
|
|
| 0550
| descending layer merges w/NBL and 3 surface layers "eruptions" 3 minutes apart
|
|
| 0650
| descending "activity" into NBL
|
|
| 0745
| descending layer into NBL, perhaps wave motion at 564 m tilted forward. "Activity" at top of NBL (141-212 m) till daytime
|
| 10/28
| 0100
| multiple, rapidly descending layers into NBL
|
|
| 0315
| layer appears at 282 m semi-continuous activity at top of NBL (141 m)
|
|
| 1100
| multiple layers oscillate w/NBL
|
|
| 1300
| LARGE gravity wave with w's. Period approx. 6 minutes, recurring every 40 minutes. Periodicity may have begun at 1040. w amplification at 1300.
|
| 10/29
| 0000
| Deep layer at 352 m strengthens and descends, possibly w/breaking waves within, period approx. 1.5 minutes.
|
|
| 0230
| more "breaking waves" at 423 m, period 1 minute
|
|
| 0600
| steadily growing surface inversion 423 m now
|
| |