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) |
| 2024-04-23 |
11 |
43 |
| 2024-04-23 |
12 |
55 |
| 2024-04-23 |
13 |
73 |
| 2024-04-23 |
14 |
90 |
| 2024-04-23 |
15 |
105 |
| 2024-04-23 |
16 |
129 |
| 2024-04-23 |
17 |
136 |
| 2024-04-23 |
18 |
145 |
| 2024-04-23 |
19 |
135 |
| 2024-04-23 |
20 |
111 |
| 2024-04-23 |
21 |
76 |
| 2024-04-23 |
22 |
59 |
| 2024-04-23 |
23 |
53 |
| 2024-04-24 |
00 |
45 |
| 2024-04-24 |
01 |
42 |
| 2024-04-24 |
02 |
39 |
| 2024-04-24 |
03 |
37 |
| 2024-04-24 |
04 |
31 |
| 2024-04-24 |
05 |
39 |
| 2024-04-24 |
06 |
36 |
| 2024-04-24 |
07 |
38 |
| 2024-04-24 |
08 |
39 |
| 2024-04-24 |
09 |
45 |
| 2024-04-24 |
10 |
49 |
Auroral, AUR
Forecast hourly ranges for Auroral
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
88 |
| 2024-04-23 |
12 |
92 |
| 2024-04-23 |
13 |
114 |
| 2024-04-23 |
14 |
112 |
| 2024-04-23 |
15 |
125 |
| 2024-04-23 |
16 |
127 |
| 2024-04-23 |
17 |
108 |
| 2024-04-23 |
18 |
99 |
| 2024-04-23 |
19 |
91 |
| 2024-04-23 |
20 |
90 |
| 2024-04-23 |
21 |
78 |
| 2024-04-23 |
22 |
60 |
| 2024-04-23 |
23 |
47 |
| 2024-04-24 |
00 |
41 |
| 2024-04-24 |
01 |
49 |
| 2024-04-24 |
02 |
63 |
| 2024-04-24 |
03 |
79 |
| 2024-04-24 |
04 |
115 |
| 2024-04-24 |
05 |
111 |
| 2024-04-24 |
06 |
136 |
| 2024-04-24 |
07 |
140 |
| 2024-04-24 |
08 |
112 |
| 2024-04-24 |
09 |
86 |
| 2024-04-24 |
10 |
69 |
Sub-auroral, SUB
Forecast hourly ranges for Sub-auroral
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
21 |
| 2024-04-23 |
12 |
20 |
| 2024-04-23 |
13 |
18 |
| 2024-04-23 |
14 |
16 |
| 2024-04-23 |
15 |
15 |
| 2024-04-23 |
16 |
16 |
| 2024-04-23 |
17 |
16 |
| 2024-04-23 |
18 |
16 |
| 2024-04-23 |
19 |
15 |
| 2024-04-23 |
20 |
15 |
| 2024-04-23 |
21 |
16 |
| 2024-04-23 |
22 |
18 |
| 2024-04-23 |
23 |
18 |
| 2024-04-24 |
00 |
16 |
| 2024-04-24 |
01 |
15 |
| 2024-04-24 |
02 |
13 |
| 2024-04-24 |
03 |
14 |
| 2024-04-24 |
04 |
16 |
| 2024-04-24 |
05 |
16 |
| 2024-04-24 |
06 |
15 |
| 2024-04-24 |
07 |
15 |
| 2024-04-24 |
08 |
13 |
| 2024-04-24 |
09 |
12 |
| 2024-04-24 |
10 |
15 |
Eureka, EUA
Forecast hourly ranges for Eureka
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
36 |
| 2024-04-23 |
12 |
46 |
| 2024-04-23 |
13 |
62 |
| 2024-04-23 |
14 |
76 |
| 2024-04-23 |
15 |
89 |
| 2024-04-23 |
16 |
110 |
| 2024-04-23 |
17 |
116 |
| 2024-04-23 |
18 |
124 |
| 2024-04-23 |
19 |
116 |
| 2024-04-23 |
20 |
95 |
| 2024-04-23 |
21 |
65 |
| 2024-04-23 |
22 |
50 |
| 2024-04-23 |
23 |
45 |
| 2024-04-24 |
00 |
38 |
| 2024-04-24 |
01 |
36 |
| 2024-04-24 |
02 |
34 |
| 2024-04-24 |
03 |
32 |
| 2024-04-24 |
04 |
26 |
| 2024-04-24 |
05 |
33 |
| 2024-04-24 |
06 |
31 |
| 2024-04-24 |
07 |
33 |
| 2024-04-24 |
08 |
33 |
| 2024-04-24 |
09 |
39 |
| 2024-04-24 |
10 |
42 |
Resolute Bay, RES
Forecast hourly ranges for Resolute Bay
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
43 |
| 2024-04-23 |
12 |
55 |
| 2024-04-23 |
13 |
73 |
| 2024-04-23 |
14 |
90 |
| 2024-04-23 |
15 |
105 |
| 2024-04-23 |
16 |
129 |
| 2024-04-23 |
17 |
136 |
| 2024-04-23 |
18 |
145 |
| 2024-04-23 |
19 |
135 |
| 2024-04-23 |
20 |
111 |
| 2024-04-23 |
21 |
76 |
| 2024-04-23 |
22 |
59 |
| 2024-04-23 |
23 |
53 |
| 2024-04-24 |
00 |
45 |
| 2024-04-24 |
01 |
42 |
| 2024-04-24 |
02 |
39 |
| 2024-04-24 |
03 |
37 |
| 2024-04-24 |
04 |
31 |
| 2024-04-24 |
05 |
39 |
| 2024-04-24 |
06 |
36 |
| 2024-04-24 |
07 |
38 |
| 2024-04-24 |
08 |
39 |
| 2024-04-24 |
09 |
45 |
| 2024-04-24 |
10 |
49 |
Cambridge Bay, CBB
Forecast hourly ranges for Cambridge Bay
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
30 |
| 2024-04-23 |
12 |
37 |
| 2024-04-23 |
13 |
43 |
| 2024-04-23 |
14 |
58 |
| 2024-04-23 |
15 |
72 |
| 2024-04-23 |
16 |
97 |
| 2024-04-23 |
17 |
126 |
| 2024-04-23 |
18 |
135 |
| 2024-04-23 |
19 |
131 |
| 2024-04-23 |
20 |
119 |
| 2024-04-23 |
21 |
108 |
| 2024-04-23 |
22 |
81 |
| 2024-04-23 |
23 |
58 |
| 2024-04-24 |
00 |
42 |
| 2024-04-24 |
01 |
31 |
| 2024-04-24 |
02 |
29 |
| 2024-04-24 |
03 |
30 |
| 2024-04-24 |
04 |
33 |
| 2024-04-24 |
05 |
40 |
| 2024-04-24 |
06 |
38 |
| 2024-04-24 |
07 |
36 |
| 2024-04-24 |
08 |
35 |
| 2024-04-24 |
09 |
31 |
| 2024-04-24 |
10 |
32 |
Baker Lake, BLC
Forecast hourly ranges for Baker Lake
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
55 |
| 2024-04-23 |
12 |
68 |
| 2024-04-23 |
13 |
82 |
| 2024-04-23 |
14 |
112 |
| 2024-04-23 |
15 |
125 |
| 2024-04-23 |
16 |
127 |
| 2024-04-23 |
17 |
108 |
| 2024-04-23 |
18 |
99 |
| 2024-04-23 |
19 |
91 |
| 2024-04-23 |
20 |
90 |
| 2024-04-23 |
21 |
78 |
| 2024-04-23 |
22 |
60 |
| 2024-04-23 |
23 |
47 |
| 2024-04-24 |
00 |
37 |
| 2024-04-24 |
01 |
44 |
| 2024-04-24 |
02 |
60 |
| 2024-04-24 |
03 |
67 |
| 2024-04-24 |
04 |
76 |
| 2024-04-24 |
05 |
83 |
| 2024-04-24 |
06 |
73 |
| 2024-04-24 |
07 |
66 |
| 2024-04-24 |
08 |
49 |
| 2024-04-24 |
09 |
46 |
| 2024-04-24 |
10 |
49 |
Iqaluit, IQA
Forecast hourly ranges for Iqaluit
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
132 |
| 2024-04-23 |
12 |
124 |
| 2024-04-23 |
13 |
114 |
| 2024-04-23 |
14 |
104 |
| 2024-04-23 |
15 |
92 |
| 2024-04-23 |
16 |
98 |
| 2024-04-23 |
17 |
101 |
| 2024-04-23 |
18 |
93 |
| 2024-04-23 |
19 |
79 |
| 2024-04-23 |
20 |
68 |
| 2024-04-23 |
21 |
58 |
| 2024-04-23 |
22 |
56 |
| 2024-04-23 |
23 |
70 |
| 2024-04-24 |
00 |
90 |
| 2024-04-24 |
01 |
104 |
| 2024-04-24 |
02 |
98 |
| 2024-04-24 |
03 |
75 |
| 2024-04-24 |
04 |
67 |
| 2024-04-24 |
05 |
63 |
| 2024-04-24 |
06 |
53 |
| 2024-04-24 |
07 |
53 |
| 2024-04-24 |
08 |
61 |
| 2024-04-24 |
09 |
79 |
| 2024-04-24 |
10 |
107 |
Yellowknife, YKC
Forecast hourly ranges for Yellowknife
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
84 |
| 2024-04-23 |
12 |
92 |
| 2024-04-23 |
13 |
114 |
| 2024-04-23 |
14 |
109 |
| 2024-04-23 |
15 |
90 |
| 2024-04-23 |
16 |
70 |
| 2024-04-23 |
17 |
59 |
| 2024-04-23 |
18 |
50 |
| 2024-04-23 |
19 |
44 |
| 2024-04-23 |
20 |
40 |
| 2024-04-23 |
21 |
41 |
| 2024-04-23 |
22 |
44 |
| 2024-04-23 |
23 |
44 |
| 2024-04-24 |
00 |
41 |
| 2024-04-24 |
01 |
49 |
| 2024-04-24 |
02 |
48 |
| 2024-04-24 |
03 |
58 |
| 2024-04-24 |
04 |
77 |
| 2024-04-24 |
05 |
111 |
| 2024-04-24 |
06 |
136 |
| 2024-04-24 |
07 |
140 |
| 2024-04-24 |
08 |
112 |
| 2024-04-24 |
09 |
86 |
| 2024-04-24 |
10 |
69 |
Fort Churchill, FCC
Forecast hourly ranges for Fort Churchill
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
73 |
| 2024-04-23 |
12 |
76 |
| 2024-04-23 |
13 |
77 |
| 2024-04-23 |
14 |
66 |
| 2024-04-23 |
15 |
55 |
| 2024-04-23 |
16 |
49 |
| 2024-04-23 |
17 |
44 |
| 2024-04-23 |
18 |
41 |
| 2024-04-23 |
19 |
40 |
| 2024-04-23 |
20 |
43 |
| 2024-04-23 |
21 |
41 |
| 2024-04-23 |
22 |
40 |
| 2024-04-23 |
23 |
43 |
| 2024-04-24 |
00 |
36 |
| 2024-04-24 |
01 |
48 |
| 2024-04-24 |
02 |
54 |
| 2024-04-24 |
03 |
79 |
| 2024-04-24 |
04 |
115 |
| 2024-04-24 |
05 |
108 |
| 2024-04-24 |
06 |
105 |
| 2024-04-24 |
07 |
82 |
| 2024-04-24 |
08 |
58 |
| 2024-04-24 |
09 |
50 |
| 2024-04-24 |
10 |
45 |
Sanikiluaq, SNK
Forecast hourly ranges for Sanikiluaq
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
88 |
| 2024-04-23 |
12 |
72 |
| 2024-04-23 |
13 |
62 |
| 2024-04-23 |
14 |
54 |
| 2024-04-23 |
15 |
48 |
| 2024-04-23 |
16 |
43 |
| 2024-04-23 |
17 |
39 |
| 2024-04-23 |
18 |
38 |
| 2024-04-23 |
19 |
36 |
| 2024-04-23 |
20 |
36 |
| 2024-04-23 |
21 |
33 |
| 2024-04-23 |
22 |
38 |
| 2024-04-23 |
23 |
36 |
| 2024-04-24 |
00 |
41 |
| 2024-04-24 |
01 |
48 |
| 2024-04-24 |
02 |
63 |
| 2024-04-24 |
03 |
76 |
| 2024-04-24 |
04 |
82 |
| 2024-04-24 |
05 |
69 |
| 2024-04-24 |
06 |
53 |
| 2024-04-24 |
07 |
52 |
| 2024-04-24 |
08 |
45 |
| 2024-04-24 |
09 |
45 |
| 2024-04-24 |
10 |
47 |
Meanook, MEA
Forecast hourly ranges for Meanook
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
22 |
| 2024-04-23 |
12 |
19 |
| 2024-04-23 |
13 |
19 |
| 2024-04-23 |
14 |
16 |
| 2024-04-23 |
15 |
14 |
| 2024-04-23 |
16 |
13 |
| 2024-04-23 |
17 |
12 |
| 2024-04-23 |
18 |
11 |
| 2024-04-23 |
19 |
11 |
| 2024-04-23 |
20 |
12 |
| 2024-04-23 |
21 |
13 |
| 2024-04-23 |
22 |
15 |
| 2024-04-23 |
23 |
15 |
| 2024-04-24 |
00 |
15 |
| 2024-04-24 |
01 |
15 |
| 2024-04-24 |
02 |
17 |
| 2024-04-24 |
03 |
26 |
| 2024-04-24 |
04 |
28 |
| 2024-04-24 |
05 |
33 |
| 2024-04-24 |
06 |
38 |
| 2024-04-24 |
07 |
40 |
| 2024-04-24 |
08 |
34 |
| 2024-04-24 |
09 |
31 |
| 2024-04-24 |
10 |
26 |
Brandon, BRD
Forecast hourly ranges for Brandon
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
8 |
| 2024-04-23 |
12 |
6 |
| 2024-04-23 |
13 |
6 |
| 2024-04-23 |
14 |
5 |
| 2024-04-23 |
15 |
4 |
| 2024-04-23 |
16 |
4 |
| 2024-04-23 |
17 |
5 |
| 2024-04-23 |
18 |
7 |
| 2024-04-23 |
19 |
8 |
| 2024-04-23 |
20 |
9 |
| 2024-04-23 |
21 |
10 |
| 2024-04-23 |
22 |
13 |
| 2024-04-23 |
23 |
13 |
| 2024-04-24 |
00 |
14 |
| 2024-04-24 |
01 |
15 |
| 2024-04-24 |
02 |
17 |
| 2024-04-24 |
03 |
21 |
| 2024-04-24 |
04 |
26 |
| 2024-04-24 |
05 |
28 |
| 2024-04-24 |
06 |
25 |
| 2024-04-24 |
07 |
26 |
| 2024-04-24 |
08 |
21 |
| 2024-04-24 |
09 |
21 |
| 2024-04-24 |
10 |
18 |
St Johns, STJ
Forecast hourly ranges for St Johns
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
21 |
| 2024-04-23 |
12 |
20 |
| 2024-04-23 |
13 |
18 |
| 2024-04-23 |
14 |
16 |
| 2024-04-23 |
15 |
15 |
| 2024-04-23 |
16 |
15 |
| 2024-04-23 |
17 |
15 |
| 2024-04-23 |
18 |
16 |
| 2024-04-23 |
19 |
15 |
| 2024-04-23 |
20 |
14 |
| 2024-04-23 |
21 |
14 |
| 2024-04-23 |
22 |
11 |
| 2024-04-23 |
23 |
10 |
| 2024-04-24 |
00 |
10 |
| 2024-04-24 |
01 |
11 |
| 2024-04-24 |
02 |
11 |
| 2024-04-24 |
03 |
11 |
| 2024-04-24 |
04 |
11 |
| 2024-04-24 |
05 |
10 |
| 2024-04-24 |
06 |
10 |
| 2024-04-24 |
07 |
10 |
| 2024-04-24 |
08 |
10 |
| 2024-04-24 |
09 |
12 |
| 2024-04-24 |
10 |
15 |
Ottawa, OTT
Forecast hourly ranges for Ottawa
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
12 |
| 2024-04-23 |
12 |
14 |
| 2024-04-23 |
13 |
15 |
| 2024-04-23 |
14 |
14 |
| 2024-04-23 |
15 |
14 |
| 2024-04-23 |
16 |
13 |
| 2024-04-23 |
17 |
12 |
| 2024-04-23 |
18 |
13 |
| 2024-04-23 |
19 |
14 |
| 2024-04-23 |
20 |
15 |
| 2024-04-23 |
21 |
15 |
| 2024-04-23 |
22 |
15 |
| 2024-04-23 |
23 |
14 |
| 2024-04-24 |
00 |
10 |
| 2024-04-24 |
01 |
11 |
| 2024-04-24 |
02 |
12 |
| 2024-04-24 |
03 |
14 |
| 2024-04-24 |
04 |
16 |
| 2024-04-24 |
05 |
16 |
| 2024-04-24 |
06 |
15 |
| 2024-04-24 |
07 |
15 |
| 2024-04-24 |
08 |
13 |
| 2024-04-24 |
09 |
12 |
| 2024-04-24 |
10 |
11 |
Victoria, VIC
Forecast hourly ranges for Victoria
| Date |
Hour |
Hourly range (nT) |
| 2024-04-23 |
11 |
12 |
| 2024-04-23 |
12 |
12 |
| 2024-04-23 |
13 |
12 |
| 2024-04-23 |
14 |
12 |
| 2024-04-23 |
15 |
14 |
| 2024-04-23 |
16 |
16 |
| 2024-04-23 |
17 |
16 |
| 2024-04-23 |
18 |
15 |
| 2024-04-23 |
19 |
15 |
| 2024-04-23 |
20 |
15 |
| 2024-04-23 |
21 |
16 |
| 2024-04-23 |
22 |
18 |
| 2024-04-23 |
23 |
18 |
| 2024-04-24 |
00 |
16 |
| 2024-04-24 |
01 |
15 |
| 2024-04-24 |
02 |
13 |
| 2024-04-24 |
03 |
14 |
| 2024-04-24 |
04 |
12 |
| 2024-04-24 |
05 |
12 |
| 2024-04-24 |
06 |
13 |
| 2024-04-24 |
07 |
14 |
| 2024-04-24 |
08 |
13 |
| 2024-04-24 |
09 |
12 |
| 2024-04-24 |
10 |
12 |
