List of magnetic storms in August 2003
Location — Sarnia (geographic coordinates — 42.99 N -82.4 W | time zone UTC-04 - summer time)
Days with magnetic storms — 18
01 August 2003 — Magnetic storm of level G1
05 August 2003 — Magnetic storm of level G2
06 August 2003 — Magnetic storm of level G3
07 August 2003 — Magnetic storm of level G1
08 August 2003 — Magnetic storm of level G1
11 August 2003 — Magnetic storm of level G1
12 August 2003 — Magnetic storm of level G1
13 August 2003 — Magnetic storm of level G1
17 August 2003 — Magnetic storm of level G2
18 August 2003 — Magnetic storm of level G4
20 August 2003 — Magnetic storm of level G1
21 August 2003 — Magnetic storm of level G3
22 August 2003 — Magnetic storm of level G2
23 August 2003 — Magnetic storm of level G3
24 August 2003 — Magnetic storm of level G1
25 August 2003 — Magnetic storm of level G1
29 August 2003 — Magnetic storm of level G1
30 August 2003 — Magnetic storm of level G1
Days with geomagnetic disturbances — 11
02 August 2003 — geomagnetic disturbances
03 August 2003 — geomagnetic disturbances
04 August 2003 — geomagnetic disturbances
09 August 2003 — geomagnetic disturbances
14 August 2003 — geomagnetic disturbances
15 August 2003 — geomagnetic disturbances
19 August 2003 — geomagnetic disturbances
26 August 2003 — geomagnetic disturbances
27 August 2003 — geomagnetic disturbances
28 August 2003 — geomagnetic disturbances
31 August 2003 — geomagnetic disturbances
Maximum of solar activity in August 2003
Solar radio flux (10.7 cm) = 137
Mean planetary A index = 86
Mean planetary Kp index = 8