Forecast (data)
For information on how we generate the forecast, please visit the Principles of Forecasting page.
Polar Cap, POL
Forecast hourly ranges for Polar Cap
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
12 |
| 2024-04-18 |
08 |
14 |
| 2024-04-18 |
09 |
20 |
| 2024-04-18 |
10 |
23 |
| 2024-04-18 |
11 |
31 |
| 2024-04-18 |
12 |
40 |
| 2024-04-18 |
13 |
53 |
| 2024-04-18 |
14 |
64 |
| 2024-04-18 |
15 |
75 |
| 2024-04-18 |
16 |
92 |
| 2024-04-18 |
17 |
98 |
| 2024-04-18 |
18 |
105 |
| 2024-04-18 |
19 |
98 |
| 2024-04-18 |
20 |
80 |
| 2024-04-18 |
21 |
55 |
| 2024-04-18 |
22 |
42 |
| 2024-04-18 |
23 |
37 |
| 2024-04-19 |
00 |
31 |
| 2024-04-19 |
01 |
30 |
| 2024-04-19 |
02 |
28 |
| 2024-04-19 |
03 |
26 |
| 2024-04-19 |
04 |
21 |
| 2024-04-19 |
05 |
27 |
| 2024-04-19 |
06 |
25 |
Auroral, AUR
Forecast hourly ranges for Auroral
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
81 |
| 2024-04-18 |
08 |
63 |
| 2024-04-18 |
09 |
46 |
| 2024-04-18 |
10 |
35 |
| 2024-04-18 |
11 |
31 |
| 2024-04-18 |
12 |
42 |
| 2024-04-18 |
13 |
58 |
| 2024-04-18 |
14 |
75 |
| 2024-04-18 |
15 |
86 |
| 2024-04-18 |
16 |
88 |
| 2024-04-18 |
17 |
75 |
| 2024-04-18 |
18 |
70 |
| 2024-04-18 |
19 |
65 |
| 2024-04-18 |
20 |
65 |
| 2024-04-18 |
21 |
56 |
| 2024-04-18 |
22 |
43 |
| 2024-04-18 |
23 |
34 |
| 2024-04-19 |
00 |
29 |
| 2024-04-19 |
01 |
35 |
| 2024-04-19 |
02 |
44 |
| 2024-04-19 |
03 |
49 |
| 2024-04-19 |
04 |
59 |
| 2024-04-19 |
05 |
78 |
| 2024-04-19 |
06 |
96 |
Sub-auroral, SUB
Forecast hourly ranges for Sub-auroral
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
7 |
| 2024-04-18 |
08 |
6 |
| 2024-04-18 |
09 |
6 |
| 2024-04-18 |
10 |
9 |
| 2024-04-18 |
11 |
10 |
| 2024-04-18 |
12 |
9 |
| 2024-04-18 |
13 |
9 |
| 2024-04-18 |
14 |
9 |
| 2024-04-18 |
15 |
8 |
| 2024-04-18 |
16 |
10 |
| 2024-04-18 |
17 |
11 |
| 2024-04-18 |
18 |
10 |
| 2024-04-18 |
19 |
11 |
| 2024-04-18 |
20 |
12 |
| 2024-04-18 |
21 |
12 |
| 2024-04-18 |
22 |
13 |
| 2024-04-18 |
23 |
13 |
| 2024-04-19 |
00 |
12 |
| 2024-04-19 |
01 |
11 |
| 2024-04-19 |
02 |
10 |
| 2024-04-19 |
03 |
11 |
| 2024-04-19 |
04 |
12 |
| 2024-04-19 |
05 |
13 |
| 2024-04-19 |
06 |
12 |
Eureka, EUA
Forecast hourly ranges for Eureka
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
9 |
| 2024-04-18 |
08 |
11 |
| 2024-04-18 |
09 |
17 |
| 2024-04-18 |
10 |
21 |
| 2024-04-18 |
11 |
28 |
| 2024-04-18 |
12 |
37 |
| 2024-04-18 |
13 |
50 |
| 2024-04-18 |
14 |
61 |
| 2024-04-18 |
15 |
72 |
| 2024-04-18 |
16 |
89 |
| 2024-04-18 |
17 |
94 |
| 2024-04-18 |
18 |
101 |
| 2024-04-18 |
19 |
95 |
| 2024-04-18 |
20 |
77 |
| 2024-04-18 |
21 |
53 |
| 2024-04-18 |
22 |
40 |
| 2024-04-18 |
23 |
36 |
| 2024-04-19 |
00 |
30 |
| 2024-04-19 |
01 |
29 |
| 2024-04-19 |
02 |
27 |
| 2024-04-19 |
03 |
25 |
| 2024-04-19 |
04 |
21 |
| 2024-04-19 |
05 |
26 |
| 2024-04-19 |
06 |
24 |
Resolute Bay, RES
Forecast hourly ranges for Resolute Bay
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
12 |
| 2024-04-18 |
08 |
14 |
| 2024-04-18 |
09 |
20 |
| 2024-04-18 |
10 |
23 |
| 2024-04-18 |
11 |
31 |
| 2024-04-18 |
12 |
40 |
| 2024-04-18 |
13 |
53 |
| 2024-04-18 |
14 |
64 |
| 2024-04-18 |
15 |
75 |
| 2024-04-18 |
16 |
92 |
| 2024-04-18 |
17 |
98 |
| 2024-04-18 |
18 |
105 |
| 2024-04-18 |
19 |
98 |
| 2024-04-18 |
20 |
80 |
| 2024-04-18 |
21 |
55 |
| 2024-04-18 |
22 |
42 |
| 2024-04-18 |
23 |
37 |
| 2024-04-19 |
00 |
31 |
| 2024-04-19 |
01 |
30 |
| 2024-04-19 |
02 |
28 |
| 2024-04-19 |
03 |
26 |
| 2024-04-19 |
04 |
21 |
| 2024-04-19 |
05 |
27 |
| 2024-04-19 |
06 |
25 |
Cambridge Bay, CBB
Forecast hourly ranges for Cambridge Bay
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
20 |
| 2024-04-18 |
08 |
20 |
| 2024-04-18 |
09 |
17 |
| 2024-04-18 |
10 |
19 |
| 2024-04-18 |
11 |
22 |
| 2024-04-18 |
12 |
28 |
| 2024-04-18 |
13 |
34 |
| 2024-04-18 |
14 |
45 |
| 2024-04-18 |
15 |
57 |
| 2024-04-18 |
16 |
78 |
| 2024-04-18 |
17 |
101 |
| 2024-04-18 |
18 |
109 |
| 2024-04-18 |
19 |
106 |
| 2024-04-18 |
20 |
96 |
| 2024-04-18 |
21 |
87 |
| 2024-04-18 |
22 |
65 |
| 2024-04-18 |
23 |
47 |
| 2024-04-19 |
00 |
34 |
| 2024-04-19 |
01 |
25 |
| 2024-04-19 |
02 |
23 |
| 2024-04-19 |
03 |
24 |
| 2024-04-19 |
04 |
26 |
| 2024-04-19 |
05 |
32 |
| 2024-04-19 |
06 |
31 |
Baker Lake, BLC
Forecast hourly ranges for Baker Lake
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
38 |
| 2024-04-18 |
08 |
27 |
| 2024-04-18 |
09 |
26 |
| 2024-04-18 |
10 |
28 |
| 2024-04-18 |
11 |
31 |
| 2024-04-18 |
12 |
42 |
| 2024-04-18 |
13 |
53 |
| 2024-04-18 |
14 |
75 |
| 2024-04-18 |
15 |
86 |
| 2024-04-18 |
16 |
88 |
| 2024-04-18 |
17 |
75 |
| 2024-04-18 |
18 |
70 |
| 2024-04-18 |
19 |
65 |
| 2024-04-18 |
20 |
65 |
| 2024-04-18 |
21 |
56 |
| 2024-04-18 |
22 |
43 |
| 2024-04-18 |
23 |
34 |
| 2024-04-19 |
00 |
27 |
| 2024-04-19 |
01 |
32 |
| 2024-04-19 |
02 |
44 |
| 2024-04-19 |
03 |
49 |
| 2024-04-19 |
04 |
55 |
| 2024-04-19 |
05 |
60 |
| 2024-04-19 |
06 |
53 |
Iqaluit, IQA
Forecast hourly ranges for Iqaluit
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
19 |
| 2024-04-18 |
08 |
25 |
| 2024-04-18 |
09 |
37 |
| 2024-04-18 |
10 |
54 |
| 2024-04-18 |
11 |
61 |
| 2024-04-18 |
12 |
58 |
| 2024-04-18 |
13 |
54 |
| 2024-04-18 |
14 |
50 |
| 2024-04-18 |
15 |
45 |
| 2024-04-18 |
16 |
50 |
| 2024-04-18 |
17 |
54 |
| 2024-04-18 |
18 |
51 |
| 2024-04-18 |
19 |
45 |
| 2024-04-18 |
20 |
38 |
| 2024-04-18 |
21 |
33 |
| 2024-04-18 |
22 |
33 |
| 2024-04-18 |
23 |
42 |
| 2024-04-19 |
00 |
54 |
| 2024-04-19 |
01 |
63 |
| 2024-04-19 |
02 |
59 |
| 2024-04-19 |
03 |
45 |
| 2024-04-19 |
04 |
40 |
| 2024-04-19 |
05 |
38 |
| 2024-04-19 |
06 |
31 |
Yellowknife, YKC
Forecast hourly ranges for Yellowknife
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
81 |
| 2024-04-18 |
08 |
63 |
| 2024-04-18 |
09 |
46 |
| 2024-04-18 |
10 |
35 |
| 2024-04-18 |
11 |
31 |
| 2024-04-18 |
12 |
39 |
| 2024-04-18 |
13 |
58 |
| 2024-04-18 |
14 |
57 |
| 2024-04-18 |
15 |
47 |
| 2024-04-18 |
16 |
36 |
| 2024-04-18 |
17 |
31 |
| 2024-04-18 |
18 |
27 |
| 2024-04-18 |
19 |
25 |
| 2024-04-18 |
20 |
24 |
| 2024-04-18 |
21 |
26 |
| 2024-04-18 |
22 |
30 |
| 2024-04-18 |
23 |
31 |
| 2024-04-19 |
00 |
29 |
| 2024-04-19 |
01 |
35 |
| 2024-04-19 |
02 |
34 |
| 2024-04-19 |
03 |
41 |
| 2024-04-19 |
04 |
55 |
| 2024-04-19 |
05 |
78 |
| 2024-04-19 |
06 |
96 |
Fort Churchill, FCC
Forecast hourly ranges for Fort Churchill
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
31 |
| 2024-04-18 |
08 |
20 |
| 2024-04-18 |
09 |
17 |
| 2024-04-18 |
10 |
15 |
| 2024-04-18 |
11 |
18 |
| 2024-04-18 |
12 |
22 |
| 2024-04-18 |
13 |
24 |
| 2024-04-18 |
14 |
20 |
| 2024-04-18 |
15 |
16 |
| 2024-04-18 |
16 |
16 |
| 2024-04-18 |
17 |
15 |
| 2024-04-18 |
18 |
15 |
| 2024-04-18 |
19 |
16 |
| 2024-04-18 |
20 |
19 |
| 2024-04-18 |
21 |
19 |
| 2024-04-18 |
22 |
20 |
| 2024-04-18 |
23 |
22 |
| 2024-04-19 |
00 |
18 |
| 2024-04-19 |
01 |
25 |
| 2024-04-19 |
02 |
28 |
| 2024-04-19 |
03 |
41 |
| 2024-04-19 |
04 |
59 |
| 2024-04-19 |
05 |
56 |
| 2024-04-19 |
06 |
54 |
Sanikiluaq, SNK
Forecast hourly ranges for Sanikiluaq
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
15 |
| 2024-04-18 |
08 |
13 |
| 2024-04-18 |
09 |
14 |
| 2024-04-18 |
10 |
16 |
| 2024-04-18 |
11 |
15 |
| 2024-04-18 |
12 |
10 |
| 2024-04-18 |
13 |
7 |
| 2024-04-18 |
14 |
6 |
| 2024-04-18 |
15 |
6 |
| 2024-04-18 |
16 |
6 |
| 2024-04-18 |
17 |
7 |
| 2024-04-18 |
18 |
9 |
| 2024-04-18 |
19 |
10 |
| 2024-04-18 |
20 |
12 |
| 2024-04-18 |
21 |
13 |
| 2024-04-18 |
22 |
16 |
| 2024-04-18 |
23 |
18 |
| 2024-04-19 |
00 |
20 |
| 2024-04-19 |
01 |
23 |
| 2024-04-19 |
02 |
30 |
| 2024-04-19 |
03 |
37 |
| 2024-04-19 |
04 |
40 |
| 2024-04-19 |
05 |
34 |
| 2024-04-19 |
06 |
26 |
Meanook, MEA
Forecast hourly ranges for Meanook
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
21 |
| 2024-04-18 |
08 |
17 |
| 2024-04-18 |
09 |
16 |
| 2024-04-18 |
10 |
13 |
| 2024-04-18 |
11 |
11 |
| 2024-04-18 |
12 |
10 |
| 2024-04-18 |
13 |
10 |
| 2024-04-18 |
14 |
8 |
| 2024-04-18 |
15 |
8 |
| 2024-04-18 |
16 |
7 |
| 2024-04-18 |
17 |
7 |
| 2024-04-18 |
18 |
7 |
| 2024-04-18 |
19 |
8 |
| 2024-04-18 |
20 |
8 |
| 2024-04-18 |
21 |
9 |
| 2024-04-18 |
22 |
10 |
| 2024-04-18 |
23 |
10 |
| 2024-04-19 |
00 |
10 |
| 2024-04-19 |
01 |
10 |
| 2024-04-19 |
02 |
12 |
| 2024-04-19 |
03 |
18 |
| 2024-04-19 |
04 |
19 |
| 2024-04-19 |
05 |
22 |
| 2024-04-19 |
06 |
26 |
Brandon, BRD
Forecast hourly ranges for Brandon
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
14 |
| 2024-04-18 |
08 |
12 |
| 2024-04-18 |
09 |
12 |
| 2024-04-18 |
10 |
10 |
| 2024-04-18 |
11 |
7 |
| 2024-04-18 |
12 |
6 |
| 2024-04-18 |
13 |
5 |
| 2024-04-18 |
14 |
5 |
| 2024-04-18 |
15 |
4 |
| 2024-04-18 |
16 |
5 |
| 2024-04-18 |
17 |
5 |
| 2024-04-18 |
18 |
6 |
| 2024-04-18 |
19 |
7 |
| 2024-04-18 |
20 |
8 |
| 2024-04-18 |
21 |
8 |
| 2024-04-18 |
22 |
10 |
| 2024-04-18 |
23 |
10 |
| 2024-04-19 |
00 |
11 |
| 2024-04-19 |
01 |
12 |
| 2024-04-19 |
02 |
13 |
| 2024-04-19 |
03 |
16 |
| 2024-04-19 |
04 |
20 |
| 2024-04-19 |
05 |
22 |
| 2024-04-19 |
06 |
20 |
St Johns, STJ
Forecast hourly ranges for St Johns
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
3 |
| 2024-04-18 |
08 |
4 |
| 2024-04-18 |
09 |
6 |
| 2024-04-18 |
10 |
9 |
| 2024-04-18 |
11 |
10 |
| 2024-04-18 |
12 |
9 |
| 2024-04-18 |
13 |
8 |
| 2024-04-18 |
14 |
7 |
| 2024-04-18 |
15 |
7 |
| 2024-04-18 |
16 |
8 |
| 2024-04-18 |
17 |
9 |
| 2024-04-18 |
18 |
10 |
| 2024-04-18 |
19 |
10 |
| 2024-04-18 |
20 |
10 |
| 2024-04-18 |
21 |
10 |
| 2024-04-18 |
22 |
8 |
| 2024-04-18 |
23 |
8 |
| 2024-04-19 |
00 |
8 |
| 2024-04-19 |
01 |
9 |
| 2024-04-19 |
02 |
9 |
| 2024-04-19 |
03 |
9 |
| 2024-04-19 |
04 |
9 |
| 2024-04-19 |
05 |
8 |
| 2024-04-19 |
06 |
8 |
Ottawa, OTT
Forecast hourly ranges for Ottawa
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
7 |
| 2024-04-18 |
08 |
6 |
| 2024-04-18 |
09 |
5 |
| 2024-04-18 |
10 |
5 |
| 2024-04-18 |
11 |
6 |
| 2024-04-18 |
12 |
7 |
| 2024-04-18 |
13 |
9 |
| 2024-04-18 |
14 |
9 |
| 2024-04-18 |
15 |
8 |
| 2024-04-18 |
16 |
8 |
| 2024-04-18 |
17 |
8 |
| 2024-04-18 |
18 |
10 |
| 2024-04-18 |
19 |
11 |
| 2024-04-18 |
20 |
12 |
| 2024-04-18 |
21 |
12 |
| 2024-04-18 |
22 |
11 |
| 2024-04-18 |
23 |
11 |
| 2024-04-19 |
00 |
8 |
| 2024-04-19 |
01 |
8 |
| 2024-04-19 |
02 |
10 |
| 2024-04-19 |
03 |
11 |
| 2024-04-19 |
04 |
12 |
| 2024-04-19 |
05 |
13 |
| 2024-04-19 |
06 |
12 |
Victoria, VIC
Forecast hourly ranges for Victoria
| Date |
Hour |
Hourly range (nT) |
| 2024-04-18 |
07 |
6 |
| 2024-04-18 |
08 |
5 |
| 2024-04-18 |
09 |
5 |
| 2024-04-18 |
10 |
5 |
| 2024-04-18 |
11 |
5 |
| 2024-04-18 |
12 |
5 |
| 2024-04-18 |
13 |
6 |
| 2024-04-18 |
14 |
6 |
| 2024-04-18 |
15 |
8 |
| 2024-04-18 |
16 |
10 |
| 2024-04-18 |
17 |
11 |
| 2024-04-18 |
18 |
10 |
| 2024-04-18 |
19 |
11 |
| 2024-04-18 |
20 |
10 |
| 2024-04-18 |
21 |
12 |
| 2024-04-18 |
22 |
13 |
| 2024-04-18 |
23 |
13 |
| 2024-04-19 |
00 |
12 |
| 2024-04-19 |
01 |
11 |
| 2024-04-19 |
02 |
10 |
| 2024-04-19 |
03 |
10 |
| 2024-04-19 |
04 |
9 |
| 2024-04-19 |
05 |
9 |
| 2024-04-19 |
06 |
10 |
