Abstract
We have considered the possible causes of discrepancies between the predicted and observed at 1 AU parameters of the recurrent solar wind (SW) streams in the maximum of the 24th solar cycle. These discrepancies have been observed in both the SW velocity profile and the SW stream arrival time, as well as in the absence of the expected high-speed SW stream. The degree of discrepancy depends on the model used for the SW prediction; however, in some cases, different prediction methods provide a similar discrepancy with the observed SW parameters at 1 AU. For several cases, we show that the probable cause of the discrepancies can be a deflection of the high-speed SW stream from the radial direction due to the interaction with the transient SW streams at certain configuration of the magnetic fields of high-speed and transient SW sources in the solar corona.
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