supported by National Natural Science Foundation of China (Grant No. 50677020);National High Technology Research and Development Program of China (Grant No. 2009AA12Z150);Science and Technology Diffusion Program of China Meteorological Administration (Grant No.CMATG2007M03);National Standard Program (Grant No. 2007GYB118);Chief Forecaster Program of China Meteorological Administration
We analyzed the properties of the solar wind appeared during November 7–8, 1998. Results show that the spaceship ACE spotted a shock (hereinafter referred to as the first shock) at 07:33 UT, November 7. The sheath ap...