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Groundbased magnetic perturbations dB/dt and Regional-K studies

About the study

Study Reports

Selected List of Event Dates

  • October 29th, 2003 06:00 UT - October 30th, 06:00 UT
  • December 14, 2006 12:00 UT - December 16, 00:00 UT
  • August 31, 2001 00:00 UT - September 1, 00:00 UT
  • August 31, 2005 10:00 UT - September 1, 12:00 UT
  • April 5, 2010 00:00 UT - April 6, 2010, 00:00 UT
  • August 5, 2011 09:00 UT - August 6, 2011, 09:00 UT

List of Groundbased Stations used in dB/dt Study

Mid latitude stations:
WNG 54.12 95.0
NEW 54.85 304.68
OTT 55.63 355.31

High latitude stations:
PBQ 65.46 351.81 / SNK 66.40 356.10
ABK 66.06 114.66
YKC 68.93 299.36

Notes:

  • ABK is missing for the August 5, 2011 event.
  • SNK is missing for all events except for April 5, 2010 and August 5, 2011
  • for April 5, 2010 and August 5, 2011 event PBQ is replaced by SNK
  • Small data gaps do exist for some of the stations for some of the events.
  • Only stations marked in red and blue have been used for the current study.

View Study Results via the Time-series Plotting Tool

Groundbased magnetic perturbations dB/dt and Regional-K study results:

EventMagnetic perturbations on the ground dB/dtMagnetic perturbations on the ground Delta BRegional-K
2006/12/14 (doy 348) 12:00 UT - 12/16 00:00 UTABK FRD FRN FUR HRN IQA MEA NEW OTT PBQ WNG YKCABK FRD FRN FUR HRN IQA MEA NEW OTT PBQ WNG YKCABK NEW OTT PBQ WNG YKC
2001/08/31 (doy 243) 00:00 UT - 09/01 00:00 UTABK FRD FRN FUR IQA MEA NEW OTT PBQ WNG YKCABK FRD FRN FUR IQA MEA NEW OTT PBQ WNG YKCABK NEW OTT PBQ WNG YKC
2005/08/31 (doy 243) 10:00 UT - 09/01 12:00 UTABK FRD FRN FUR HRN MEA NEW OTT PBQ WNG YKCABK FRD FRN FUR HRN MEA NEW OTT PBQ WNG YKCABK NEW OTT PBQ WNG YKC
2003/10/29 (doy 302) 06:00 UT - 10/30 06:00 UTABK FRD FRN FUR HRN IQA MEA NEW OTT PBQ WNG YKCABK FRD FRN FUR HRN IQA MEA NEW OTT PBQ WNG YKCABK NEW OTT PBQ WNG YKC
2010/04/05 (doy 095) 00:00 UT - 2010/04/06 00:00ABK FRD FRN FUR HRN IQA NEW OTT SNK WNG YKCABK FRD FRN FUR HRN IQA NEW OTT SNK WNG YKCABK NEW OTT SNK WNG YKC
2011/08/05 (doy 217) 09:00 UT - 2011/08/05 09:00ABK FRD FRN FUR HRN IQA NEW OTT SNK WNG YKCABK FRD FRN FUR HRN IQA NEW OTT SNK WNG YKCABK NEW OTT SNK WNG YKC

CCMC Model runs used in the studies

Groundbased magnetic perturbations dB/dt study

Run NumberKey WordsModelModel VersionEvent DateStart TimeEnd TimeGridCoordinate System for InputCoordinate System for OutputUpdate Dipole Orientation with TimeInflow Boundary (IB) REF10.7Conductance Model
SWPC_SWMF_052811_3dB/dt R2O Challenge 2011SWMFv20110131August 30 20012001/08/30 19:002001/09/01 00:001M cellsGSMGSMyes32203.00000auroral
SWPC_SWMF_030311_1adB/dt R2O Challenge 2011, SSW16SWMFv20110131October 29 20032003/10/29 01:002003/10/30 06:001M cellsGSMGSMyes32275.00000auroral
SWPC_SWMF_052811_4dB/dt R2O Challenge 2011SWMFv20110131August 31 20052005/08/31 05:002005/09/01 12:001M cellsGSMGSMyes3286.00000auroral
SWPC_SWMF_052811_2dB/dt R2O Challenge 2011SWMFv20110131December 14 20062006/12/14 07:002006/12/16 00:001M cellsGSMGSMyes3291.00000auroral
SWPC_SWMF_022512_7dB/dt R2O Challenge 2011 April 05, 2010, SSW16SWMFv20110131April 05, 20102010/04/04 19.002010/04/06 00:001M cellsGSMGSMyes3279.00000auroral
SWPC_SWMF_022512_8dB/dt R2O Challenge 2011 August 05, 2011SWMFv20110131August 05, 20112011/08/05 04:002011/08/06 09:001M cellsGSMGSMyes32113.00000auroral
SWPC_OpenGGCM_031111_3dB/dt R2O Challenge 2011OpenGGCM4.0August 30 20012001/08/30 19:002001/09/01 00:003M cellsGSMGSEyes30203.00000Sig-CTIM
SWPC_OpenGGCM_031111_1dB/dt R2O Challenge 2011OpenGGCM4.0October 29 20032003/10/29 01:002003/10/30 06:003M cellsGSMGSEyes30275.00000Sig-CTIM
SWPC_OpenGGCM_031111_4dB/dt R2O Challenge 2011OpenGGCM4.0August 31 20052005/08/30 19:002005/09/01 12:003M cellsGSMGSEyes3086.00000Sig-CTIM
SWPC_OpenGGCM_031111_2dB/dt R2O Challenge 2011OpenGGCM4.0December 14 20062006/12/14 07:002006/12/16 00:003M cellsGSMGSEyes30275.00000Sig-CTIM
SWPC_OpenGGCM_022712_7dB/dt R2O Challenge 2012OpenGGCM4.0April 04, 20102010/04/04 21:002010/04/06 00:003M cellsGSMGSEyes3079.00000Sig-CTIM
SWPC_OpenGGCM_022712_8dB/dt R2O Challenge 2012OpenGGCM4.0August 05, 20112011/08/05 06:002011/08/06 12:003M cellsGSMGSEyes30113.00000Sig-CTIM
SWPC_CMIT-LFM-MIX_031711_3dB/dt R2O Challenge 2011LFMLTR-2_1_1August 31 20012001/08/31 00:002001/09/01 00:0053x48x64GSMSMyes30192.00000auroral
SWPC_CMIT-LFM-MIX_031711_1dB/dt R2O Challenge 2011LFMLTR-2_1_1October 29 20032003/10/29 01:002003/10/30 06:0053x48x64GSMSMyes30275.00000auroral
SWPC_CMIT-LFM-MIX_031711_4dB/dt R2O Challenge 2011LFMLTR-2_1_1August 31 20052005/08/31 10:002005/09/01 12:0053x48x64GSMSMyes3086.00000auroral
SWPC_CMIT-LFM-MIX_031711_2dB/dt R2O Challenge 2011LFMLTR-2_1_1December 14 20062006/12/14 12:002006/12/16 00:0053x48x64GSMSMyes3099.00000auroral
SWPC_LFM_030512_7dB/dt R2O Challenge 2012 April 5, 2010LFMLTR-2_1_1April 04, 20102010/04/04 21:002010/04/06 00:0053x48x64 cellsGSMSMyes3079.00000auroral
SWPC_LFM-MIX-TIEGCM_030512_8dB/dt R2O Challenge 2011 August 5-6, 2011LFMLTR-2_1_5August 05, 20112011/08/05 06:002011/08/06 12:0053x48x64 cellsGSMSMyes--113.00000TIEGCM
SWPC_LFM_030512_8dB/dt R2O Challenge 2011 August 5-6, 2011LFMLTR-2_1_1August 05, 20112011/08/05 06:002011/08/06 12:0053x48x64 cellsGSMSMyes30113.00000auroral

Publications

  • Glocer, A., L. Rastätter, M. Kuznetsova, A. Pulkkinen, H. J. Singer, D. Weimer, D. Welling, M. Wiltberger, J. Raeder, R.S. Weigel, J. McCollough, S. Wing (2016), Community-wide validation of geospace model local K-index predictions to support model transition to operations, Space Weather, 14, 469–480, doi:10.1002/2016SW001387
  • Rastaetter, L., G. Toth, M. M. Kuznetsova, and A. A. Pulkkinen (2014), CalcDeltaB: An efficient postprocessing tool to calculate ground-level magnetic perturbations from global magnetosphere simulations, Space Weather, 11, doi:10.1002/2014SW001083.
  • A. Pulkkinen, L. Rastätter, M. Kuznetsova, H. Singer, C. Balch, D. Weimer, G. Toth, A. Ridley, T. Gombosi, M. Wiltberger, J. Raeder, and R. Weigel, Community-wide validation of geospace model ground magnetic field perturbation predictions to support model transition to operations, Space Weather Journal, vol.11, 369-385, doi:10.1002.swe.20056, 2013.
  • A. Pulkkinen, M.Kuznetsova, A.Ridley, J.Raeder, A.Vapirev, D.Weimer, R.S.Weigel, M.Wiltberger, G.Milward, L.Rastaetter, M.Hesse, H.J.Singer, A.Chulaki, Geospace Environment Modeling 2008-2009 Challenge: Ground magnetic field perturbations, Space Weather Journal, vol.9, SO2004, doi:10.1029/2010SW000600, 2011.
  • A.Pulkkinen, L.Rastaetter, M.Kuznetsova, M.Hesse, A.Ridley, J.Raeder, H.J.Singer, A.Chulaki, Systematic evaluation of ground and geostationary magnetic field predictions generated by global magnetohydrodynamic models, JGR, vol.115, A03206, doi:10.1029/2009JA014537, 2010.
  • R.Lopez, S.Hernandez, M.Wiltberger, C.-L.Huang., E.L.Kepko, H.Spence, C.C.Goodrich, J.G.Lyon, Predicting magnetopause crossings at geosynchronous orbit during the Halloween storms, Space Weather, vol.5, S01005, doi:10.1029/2006SW00222, 2007

Presentations

Download studies files

Delta-B, dB/dt and K-index study files are available for download on the CCMC website.

delta B files: Delta B study timeseries files Directory

dB/dt files: dB/dt study timeseries files Directory

K-index files: K-index study timeseries files Directory