Special Events
2000 Events
Sun-EARTH Connection Event: July 14-16, 2000
X-Class Flares and Fast moving Earth-directed CME. The aurora reached as far south
as Georgia (although not visible as during daylight) and Great Britain.
Sun-EARTH Connection Event: June 6-9, 2000
Large flares and a high speed halo CME - but no geoactivity.
Sun-EARTH Connection Event: April 4-7, 2000
Large Geophysical event causing the aurora to be visible as far south as the Carolinas.
Sun-Earth Conncetion Event: January 27, 2000
Unusual Corotating Interactive Region (CIR) on January 27, 2000.
1999 Events
Sun-Earth Connection Event; October 22, 1999
Auroral storm that occurred over the United States
Event; May 10-12, 1999
Extended interval of low density solar wind, and a more dipolar-shape magnetoshpere
1998 Events
Sun-Earth Connection Event; Sept 23-26, 1998
WIND/WAVES detected type II and III radio signatures associated with an M6.9 flare. The event reached the Earth late on September 24 and Dst reached -222 nT and the Kp index reached 9 on September 25.
Sun-Earth Connection Events; Aug 24-28, 1998
Aug 24, 22UT, X1 Solar Flare, resulting Coronal Mass Ejections reached the Earth in only 33 hours, giving a transit spped of approximately 1300 km/s - WOW !!
Sun-Earth Connection Events; Apr 29 - May 2, 1998
SOHO/LASCO has detected mulitple CMEs occurring from April 29 - May 2, 1998. The latest was accompanied by an X1 proton flare. The geomagnetic activity is expected to continue through May 5. The Kp index reached 9 early on May 4.
Sun-Earth Connection Event; Apr 15, 1998
There have been multiple CMEs above the NNW limb, apparently associated with the soft X-ray events of the past 24 hours. At least two of the CMEs had extensions that were 120 degrees putting them in the partial halo category. Further, there has been a quasi-continuous "CME" of rising, evolving arcades in the SW during this same period. The size of these CMEs is large and they are clearly from the front-side (as evidenced in EIT images). SEC/NOAA is predicting that the geomagnetic field will be unsettled for the next few days, then quiet by 19 April.
Sun-Earth Connection Event; Jan 21, 1998
There was a halo event seen in LASCO 1998.01.21, first appearing at 06:37 UT. A speed of 400 km/sec was separately measured for the leading edge at PA=180 (South Pole). SEC/NOAA are predicting a minor geomagnetic disturbance to begin early on 24 January and continue into 25 January. Maximum Kp values expected are in the 4-5 range. Tpye IIs were detected by the WAVES experiment on WIND.
Sun-Earth Connection Event; Jan 3, 1998
1997 Events
Sun Earth Connection Event: Nov 4, 1997
Sun-Earth Connections Event: Sept 27-Oct 1, 1997
Sun-Earth Connection Event: September 24-27, 1997
The spectacular solar activity which was observed by SOHO on September 24, 1997, failed to impact the Earth, so no geomagnetic activity was observed.
Sun-Earth Connection Event: April 7-11, 1997
A flare leads to a shock wave leads to a CME...and a lot of media attention. Predictions of a storm's arrival on April 10 are stymied by a slow solar wind. But once the cloud arrives on April 11, the auroral foreworks extend all the way to Boston.
Observations of Comet Hale-Bopp: Mar 27, 1997 - Apr 2, 1997
Taking a break from its regular pole-watching duties, Polar trains its eyes on Comet Hale-Bopp and confirms the existence of a new type of comet tail.
Sun-Earth Connection Event: Jan 6-11, 1997
For the first time, space physicists track a magnetic cloud event from cradle to grave. ISTP observatories follow the storm from its origin as a coronal mass ejection to a "one-two punch" of Earth that pushes the magnetosphere inside geosynchronous orbit.
ISTP/GEM Substorm Campaign: January 1-2, 1997
Catalogue of Global Geospace Science Mission Events Aug. 1996 - Jan. 1997
GGS Events are periods when phenomena of interest to the scientific community as a whole have been identified. To date, these include.....
1996 Events
Magnetosheath-like plasma in the lobe, May 29, 1996 and the May 26 control interval
Polar/SuperDARN Boundary Mapping and Dynamics May 28, 1996
Aurora Australis and Polar Perigee Pass May 27, 1996
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