Table 1 The average values of the interplanetary and geomagnetic conditions for four typical conditions.

From: A space hurricane over the Earth’s polar ionosphere

Typical Conditions

Time intervals

IMF Bz [nT]

Nsw [cm−3]

Vsw [km/s]

Dst [nT]

AL [nT]

Extremely quiet time with space hurricane

16:12:30–16:23:30

20 Aug 2014

~8

~2

~340

~ −10

~ −20

Typical Quiet time without space hurricane

08:54:22–09:11:24

21 June 2010

~5

~3

~390

~ −3

~ −25

Typical southward IMF case for non-storm time

16:26:00–16:46:00

08 October 2014

~ −7

~5

~352

~ −20

~ −495

Super storm time

23:14:00−23:44:00

17 March 2015

~ −18

~7

~549

~ −222

~ −1500

  1. Column 1 is the typical conditions, Column 2 is the time intervals for the typical regions during the DMSP crossings, Column 3–7 are the average values of the IMF Bz, Nsw, Vsw, Dst, and AL indexes, respectively.
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