List of magnetic storms in April 2003
Location — Hay River (geographic coordinates — 60.8 N -115.78 W | time zone UTC-06 - summer time)
Days with magnetic storms — 16
04 April 2003 — Magnetic storm of level G1
08 April 2003 — Magnetic storm of level G1
09 April 2003 — Magnetic storm of level G1
10 April 2003 — Magnetic storm of level G1
14 April 2003 — Magnetic storm of level G1
15 April 2003 — Magnetic storm of level G1
16 April 2003 — Magnetic storm of level G2
17 April 2003 — Magnetic storm of level G1
21 April 2003 — Magnetic storm of level G1
23 April 2003 — Magnetic storm of level G1
24 April 2003 — Magnetic storm of level G1
25 April 2003 — Magnetic storm of level G1
27 April 2003 — Magnetic storm of level G1
28 April 2003 — Magnetic storm of level G1
29 April 2003 — Magnetic storm of level G2
30 April 2003 — Magnetic storm of level G2
Days with geomagnetic disturbances — 9
01 April 2003 — geomagnetic disturbances
02 April 2003 — geomagnetic disturbances
03 April 2003 — geomagnetic disturbances
05 April 2003 — geomagnetic disturbances
18 April 2003 — geomagnetic disturbances
19 April 2003 — geomagnetic disturbances
20 April 2003 — geomagnetic disturbances
22 April 2003 — geomagnetic disturbances
26 April 2003 — geomagnetic disturbances
Maximum of solar activity in April 2003
Solar radio flux (10.7 cm) = 158
Mean planetary A index = 40
Mean planetary Kp index = 6