Figure: CLPO_T03_Dst.ppt shows the times of conjunctions in relation to the Dst index. It is evident that several of them occur at times of storm main or recovery phase (messy) but some others on less distrurbed times, when isolated, moderate substorm onsets are identifiable and have been captured by this constellation.
A list of events is shown here: events.txt
Please find in data subdirectories with CL and PO E&B pdf plots.
A description of the availability of IMAGE/FUV data and onset identification (whenever possible) is given by Harald Frey in the linked hfrey_email and FUV_data_availability file.
Below is a short description of the event with a decreasing usefulness index (VA1 means that with little effort one can produce significant new information: i.e., a show and tell. VA5 or greater means the probability of gleaming new and useful information from this event is probably almost nill).
20030808_00_10
[VA3] Main abrupt onset at ~2:30 is seen at both CL and PO.
Secondary abrupt tail event at 5:20 seen on both CL&PO
20030808_13_19
[VA6] Onset at 15:30 but nothing in space. Belated, bipolar pulse
at PO past 17:00 UT.
20030810_12_15
[VA7] No substorms, no tail activity
20030810_20_26
[VA7] No substorms, no tail activity
20030812_19_22
[VA6] Small Onset at 19UT, larger onset at 20UT, CL & PO well
positioned near NS but missed both (probably LT effect).
20030813_05_12
[VA6] Sharp onset at 6:25UT, CL & PO positioned near PSBL,
but missed both (probably LT effect).
20030815_12_21
[VA6] Sharp onset at 14:40 UT, CL & PO positioned at PSBL/LOBE
missed onset due to spatial effect (MLAT/MLT)
20030817_20_30
[VA4] Storm main phase event. Onsets at 22UT, 01UT 02UT, 04UT.
All are seen dramatically at PO, which was well positioned (PS).
All are seen at CL, but correlation not as clear, as CL was
at PSBL. CL particle data may change this opinion.
20030820_03_12
[VA2] Late storm recovery, isolated substorm onset at 4:35UT with
intensification at 7:20 UT. Both were captured very nicely at
CL at/near NS. PO was at PSBL and caught the PS expansion
both times.
20030822_12_20
[VA3] Onsets at 13:10UT, 16:10UT, 19:10UT
CL was near NS (saw), at PSBL (didnot), at PSBL (didnot)
PO was near PSBL(saw), at PSBL (saw), at PSBL (did not).
First event timing may have been missed at PO, but
PO particle data may change that opinion.
20030824_20_26
[VA4] Late recovery of previous onset, until 00:15 and 01:00 UT
abrupt onset and intensification. Lack of growth phase, or
sdden impulse with Southward IMF may have caused the first
onset. Remains to be seen in solar wind data.
CL was outside plasma sheet and saw recovery at 1:20UT.
PO was near NS but saw very little Efield. Both spacecraft
captured dipolarization at around 01UT. It is unlikely
that particle data may change opinion on this event.
But worth checking.
20030827_03_12
[VA3] Small onset at 5:50 UT, intensifications at 09UT, 10UT.
CL saw all of these. The first was seen as dropout-recovery
sequence, for the rest CL was well positioned near the NS.
PO was at the PSBL throughout the first event and was also
near the NS during the rest.
20030829_09_21
[VA3] Onsets at 10UT, 13UT, 18:10UT and 19:30UT
Both CL and PO at LOBE during first
Both CL and PO at PSBL (tail) during second third and fourth.
Last event can be seen at PO at low altitude (4Re).
20030830_00_05
[VA6] Onset at 2:30 UT
Both CL and PO at PSBL. PO sees activity, CL does not.
20030831_18_26
[VA7] Quiet time on the ground and in space.
20030901_08_12
[VA7] Quiet time on the ground and in space.
20030903_05_09
[VA7] Quiet time between substorms. No activity
20030903_16_24
[VA6] Onsets at 17:00, 17:30, 21:00, 23:30 UT
CL and PO at PSBL/mostly-Lobe throughout.
Saw a couple of pulses but uncorrelated.
20030905_16_18
[VA8] Late substorm recovery, no activity. CL/PO gaps.
20030905_22_31
[VA8] Late substorm recovery, no activity. CL/PO gaps.
20030908_00_01
[VA8] No substorm activity. CL/PO gaps.
20030908_09_16
[VA8] No substorm activity. CL/PO gaps.
20030910_14_23
[VA6] Onsets at 14:10, 1730 or 1800 UT onsets.
CL at PSBL in first, lobe/PSBL in rest;
PO at Lobe/PSBL in first and second, and PSBL in last.
20030912_21_30
[VA7] Onsets at 0025, 0155, 0300, 0500 UT
CL was at lobe/PSBL during all events.
PO was at PSBL/lobe during first 3 and at PS (shadow?) in last.
Only 0300UT onset was captured at PSBL by PO and with
delay (recovery) at CL.
20030915_05_14
[VA8] No substorm activity, all quiet.
20030917_12_21
[VA2] Storm recovery substorms: 13:00, 17:10, 18:00 UT onsets.
First was caught by CL at PS and by PO at PSBL.
Second and third were seen by both as dropout (at onset)
and recovery (PO first, CL next). Rx between the sc!
20030919_22_30
[VA2] Small storm main phase, main onsets at 23:20, 03:50 UT.
CL and PO both see activity at 23:30, 0200 and 0420 UT
CL is at NS, and PO at PSBL, during first onset. Rx between sc!
Both spacecraft are at NS at 0200UT and observe flow burst, not associated with AE onset, some small intensification. A localized flow burst?
Both spacecraft near PSBL/Lobe during last event. Drop out similarly, PO fully recovers first, then CL. Both see activity on the way out, and the abrupt full recovery in association with a large spike in AL.
20030922_04_13
[VA2] Onsets at 0430, 0630, 0720, 0850? - 0910 UT
CL: Lobe (n), PSBL (y), PS (n), PSBL(y)
PO: Lobe (n), PSBL (y), PS (n), PSBL(y)
20030922_20_24
[VA8] No substorm activity. CL/PO gaps.
20030924_11_21
[VA2] Largest onsets are at 14:30 and 16:00UT. Last seen on both.
Series of multiple activations at small storm recovery.
Onsets recorded at:
1130, 1230, 1330, 1430, 1600, 1710, 1900, 1950, etc
CL at PSBL(y), PSBL(y),PSBL(y),PS(y), PS(y), PS(n),PS(n),PSBL(n)
PO at PSBL(n), PSBL(n),PSBL(n),PSBL(n),PS(y), PS(n),PS(n),PSBL(n)
20030925_02_12
[VA7] Series of multiple activations at small storm main phase onset.
Too many to enumerate or trust. CL at PSBL/Lobe, PO at PSBL/Lobe.
Uncorrelated between spacecraft.
20030926_23_30
[VA6] Onset at 23:20 seen in both.
CL at PSBL, PO at PS. Some data gaps (C2 missing?, RAPID Ions missigs?) and
some doubts due to Cluster being close to lobe.
20030927_10_15
[VA8] No substorm activity, all quiet.
20030929_09_11
[VA6] Small onset at 9:20UT, CL sees it, but PO does not (too localized?,
too high in latitude?).
20030929_16_21
[VA8] No substorm activity, all quiet.