Best Pre-ISTP Solar Maximum (1988-1992) Storm Event (On Basis of Solar Wind Coverage)

*Sources of Information
Date   Day No.  Min Dst  Solar Wind &  IMF Data Type of Solar Wind Transients Abbreviations Guide  Interesting Aspects  Space Weather Effects  Solar Source Disturbance  Forecasts & Warnings  References
 14-16 Jan 1988 014-016  - 147 plot  Good IMF, spotty plasma data UCLA-IMP8 Omniweb   magnetic cloud

Pulsations of ~5 hr period in sw bulk flow speed 

During AMPTE/CCE (88015 CHEM plt1, plt2) 

        Knipp & Emery, GRL, 305, 1996; Farrugia, et al., JGR, 19245, 1995; Farrugia, et al., JGR, 7621, 1993.
21-29 Feb 1988   052-060  -130 plot  Data gaps in the main phase UCLA-IMP8 Omniweb    during AMPTE/CCE (88054 CHEM plt1, plt2)        
04-10 May 1988   125-131  -160 plot  Slightly spotty coverage UCLA-IMP8 Omniweb    during AMPTE/CCE (88127 CHEM plt1, plt2)        
 21-25 Jul 1988  203-207  -55 plot  main phase, spotty in recovery UCLA-IMP8 Omniweb    during AMPTE/CCE (88204 CHEM plt1, plt2)        
 10-14 Sep 1988  254-258  -88 plot spotty coverage UCLA-IMP8 Omniweb     during AMPTE/CCE (88255 CHEM plt1, plt2)        
06-09 Oct 1988   280-283  -87 plot  Good main phase spotty recovery phase coverage UCLA-IMP8 Omniweb    during AMPTE/CCE (88280 CHEM plt1)        
 17-21 Oct 1988  291-295 -69 plot   Yes UCLA-IMP8 Omniweb    during AMPTE/CCE (88292 CHEM plt1, plt2)        
 10-13 Jan 1989  010- 013 -129 plot   missing some coverage in main phase Omniweb            
 13-14 Jan 1989 013- 014   -70 plot Yes UCLA-IMP8 Omniweb             
 25-29 Apr 1989  115- 119  -132 plot  Yes UCLA-IMP8 Omniweb            
 07-10 May 1989  127- 130  -90 plot  spotty coverage UCLA-IMP8 Omniweb            
 03-05 Jun 1989  154- 156  -51 plot  spotty coverage UCLA-IMP8 Omniweb            
 13-17 Jun 1989  164- 168  -79 plot  spotty coverage Omniweb             
 14-17 Aug 1989  226- 229   -145 plot  Yes UCLA-IMP8 Omniweb     Flares & proton event  12-20 Aug: Degraded solar panels on GOES-5, -6, -7, TELECOMM and other satellites. GOES-6 lost half telecommunications capability. Increased SEUs on satellites. False signals on Star Sensors. Ground communications systems problems in Canada      
  27 Aug - 01 Sep 1989  239- 244  -152 plot1 plot2  Yes with limited data gaps UCLA-IMP8 Omniweb            
 12-16 Nov 1989  316- 320  -121 plot  Yes with small data gap UCLA-IMP8 Omniweb            
 29 Dec - 04 Jan 1989/90 89362- 90004   -103 plot1 plot2  slightly spotty coverage Omniweb            
 04-09 Mar 1990    -59 plot Slightly spotty coverage UCLA-IMP8 Omniweb             
 25 Mar - 02 Apr 1990    -187 plot1 plot2  Spotty coverage Omniweb            
 18-24 May 1990    -90 plot  Slightly spotty coverage Omniweb            
 12-17 Jun 1990    -150 plot slightly spotty coverage UCLA-IMP8 Omniweb            
 01-05 Aug 1990    -57 plot  Yes UCLA-IMP8 Omniweb    during CRRES        
 15-17 Aug 1990    -55 plot  Yes UCLA-IMP8 Omniweb    during CRRES        
 25-29 Aug 1990   -113 plot   Yes UCLA-IMP8 Omniweb    during CRRES (LEPA survey plt)        
 01-06 Aug 1991    -114 plot  Yes UCLA-IMP8 Omniweb    during CRRES (LEPA & Lomics operational - <44 keV ions)        
 26-29 Aug 1991    -60 plot  Yes UCLA-IMP8 Omniweb    during CRRES (LEPA & Lomics operational - <44 keV ions)        
 29 Aug - 04 Sep 1991  241- 247  -107 plot1 plot2  Yes UCLA-IMP8 Omniweb    during CRRES (LEPA & Lomics operational - <44 keV ions)        
 09-12 Sep 1991    -96 plot  Yes UCLA-IMP8 Omniweb    during CRRES (LEPA & Lomics operational - <44 keV ions)        
 19-21 Oct 1991     -254 plot1 plot2  slightly spotty coverage UCLA-IMP8 Omniweb    28-29 Oct: Ap*=156; 1-2Nov: Ap*=128  Shunt capacitor trips on Columbia River Bonneville system. 3% voltage dips on S. California Edison system; transormer cores saturated. New Mexico HV-DC terminal tripped by overvoltage. New England Hydro-Quebec HV-DC tripped. Wisconsin Electric Power transformer "growled". Virginia Power tripped 2 shunt capacitor banks. Allegheny Power transformer tripped by GIC-detection devices, caused outgassing and overheating. Salem southern New Jersey nuclear power output reduce 20% to avoid damage. PJM (PA, MD, NJ) Power Pool cut back to "solar storm operating conditions"      
 20-23 Feb 1992   -171 plot    coverage a bit spottyOmniweb            
 11-12 Jun 1992   -60 plot  Yes UCLA-IMP8 Omniweb             
 20-24 Jul 1992    -69 plot  Yes. UCLA-IMP8 Omniweb    SAMPEX        
 09-13 Sep 1992    -131 plot  slightly spotty coverage Omniweb            
 08-12 Nov 1992    -97 plot  Yes UCLA-IMP8 Omniweb