List of magnetic storms in May 2003
Location — Hay River (geographic coordinates — 60.8 N -115.78 W | time zone UTC-06 - summer time)
Days with magnetic storms — 16
01 May 2003 — Magnetic storm of level G1
06 May 2003 — Magnetic storm of level G1
07 May 2003 — Magnetic storm of level G2
08 May 2003 — Magnetic storm of level G1
09 May 2003 — Magnetic storm of level G2
10 May 2003 — Magnetic storm of level G2
11 May 2003 — Magnetic storm of level G2
13 May 2003 — Magnetic storm of level G1
14 May 2003 — Magnetic storm of level G1
21 May 2003 — Magnetic storm of level G1
23 May 2003 — Magnetic storm of level G1
24 May 2003 — Magnetic storm of level G1
27 May 2003 — Magnetic storm of level G2
28 May 2003 — Magnetic storm of level G1
29 May 2003 — Magnetic storm of level G4
30 May 2003 — Magnetic storm of level G1
Days with geomagnetic disturbances — 8
05 May 2003 — geomagnetic disturbances
12 May 2003 — geomagnetic disturbances
15 May 2003 — geomagnetic disturbances
19 May 2003 — geomagnetic disturbances
20 May 2003 — geomagnetic disturbances
22 May 2003 — geomagnetic disturbances
25 May 2003 — geomagnetic disturbances
26 May 2003 — geomagnetic disturbances
Maximum of solar activity in May 2003
Solar radio flux (10.7 cm) = 149
Mean planetary A index = 89
Mean planetary Kp index = 8