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) |
| 2024-04-16 |
21 |
109 |
| 2024-04-16 |
22 |
87 |
| 2024-04-16 |
23 |
77 |
| 2024-04-17 |
00 |
66 |
| 2024-04-17 |
01 |
62 |
| 2024-04-17 |
02 |
57 |
| 2024-04-17 |
03 |
52 |
| 2024-04-17 |
04 |
43 |
| 2024-04-17 |
05 |
50 |
| 2024-04-17 |
06 |
45 |
| 2024-04-17 |
07 |
45 |
| 2024-04-17 |
08 |
44 |
| 2024-04-17 |
09 |
50 |
| 2024-04-17 |
10 |
54 |
| 2024-04-17 |
11 |
63 |
| 2024-04-17 |
12 |
75 |
| 2024-04-17 |
13 |
94 |
| 2024-04-17 |
14 |
111 |
| 2024-04-17 |
15 |
126 |
| 2024-04-17 |
16 |
151 |
| 2024-04-17 |
17 |
157 |
| 2024-04-17 |
18 |
166 |
| 2024-04-17 |
19 |
154 |
| 2024-04-17 |
20 |
126 |
Auroral, AUR
Forecast hourly ranges for Auroral
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
114 |
| 2024-04-16 |
22 |
120 |
| 2024-04-16 |
23 |
136 |
| 2024-04-17 |
00 |
132 |
| 2024-04-17 |
01 |
160 |
| 2024-04-17 |
02 |
222 |
| 2024-04-17 |
03 |
279 |
| 2024-04-17 |
04 |
366 |
| 2024-04-17 |
05 |
345 |
| 2024-04-17 |
06 |
337 |
| 2024-04-17 |
07 |
286 |
| 2024-04-17 |
08 |
230 |
| 2024-04-17 |
09 |
179 |
| 2024-04-17 |
10 |
187 |
| 2024-04-17 |
11 |
172 |
| 2024-04-17 |
12 |
176 |
| 2024-04-17 |
13 |
196 |
| 2024-04-17 |
14 |
190 |
| 2024-04-17 |
15 |
179 |
| 2024-04-17 |
16 |
182 |
| 2024-04-17 |
17 |
155 |
| 2024-04-17 |
18 |
143 |
| 2024-04-17 |
19 |
131 |
| 2024-04-17 |
20 |
130 |
Sub-auroral, SUB
Forecast hourly ranges for Sub-auroral
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
38 |
| 2024-04-16 |
22 |
43 |
| 2024-04-16 |
23 |
43 |
| 2024-04-17 |
00 |
39 |
| 2024-04-17 |
01 |
36 |
| 2024-04-17 |
02 |
32 |
| 2024-04-17 |
03 |
34 |
| 2024-04-17 |
04 |
37 |
| 2024-04-17 |
05 |
38 |
| 2024-04-17 |
06 |
36 |
| 2024-04-17 |
07 |
36 |
| 2024-04-17 |
08 |
32 |
| 2024-04-17 |
09 |
29 |
| 2024-04-17 |
10 |
31 |
| 2024-04-17 |
11 |
33 |
| 2024-04-17 |
12 |
31 |
| 2024-04-17 |
13 |
34 |
| 2024-04-17 |
14 |
32 |
| 2024-04-17 |
15 |
31 |
| 2024-04-17 |
16 |
35 |
| 2024-04-17 |
17 |
35 |
| 2024-04-17 |
18 |
33 |
| 2024-04-17 |
19 |
35 |
| 2024-04-17 |
20 |
36 |
Eureka, EUA
Forecast hourly ranges for Eureka
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
109 |
| 2024-04-16 |
22 |
87 |
| 2024-04-16 |
23 |
77 |
| 2024-04-17 |
00 |
66 |
| 2024-04-17 |
01 |
62 |
| 2024-04-17 |
02 |
57 |
| 2024-04-17 |
03 |
52 |
| 2024-04-17 |
04 |
43 |
| 2024-04-17 |
05 |
50 |
| 2024-04-17 |
06 |
45 |
| 2024-04-17 |
07 |
45 |
| 2024-04-17 |
08 |
44 |
| 2024-04-17 |
09 |
50 |
| 2024-04-17 |
10 |
54 |
| 2024-04-17 |
11 |
63 |
| 2024-04-17 |
12 |
75 |
| 2024-04-17 |
13 |
94 |
| 2024-04-17 |
14 |
111 |
| 2024-04-17 |
15 |
126 |
| 2024-04-17 |
16 |
151 |
| 2024-04-17 |
17 |
157 |
| 2024-04-17 |
18 |
166 |
| 2024-04-17 |
19 |
154 |
| 2024-04-17 |
20 |
126 |
Resolute Bay, RES
Forecast hourly ranges for Resolute Bay
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
73 |
| 2024-04-16 |
22 |
56 |
| 2024-04-16 |
23 |
49 |
| 2024-04-17 |
00 |
41 |
| 2024-04-17 |
01 |
39 |
| 2024-04-17 |
02 |
37 |
| 2024-04-17 |
03 |
35 |
| 2024-04-17 |
04 |
29 |
| 2024-04-17 |
05 |
36 |
| 2024-04-17 |
06 |
33 |
| 2024-04-17 |
07 |
35 |
| 2024-04-17 |
08 |
36 |
| 2024-04-17 |
09 |
42 |
| 2024-04-17 |
10 |
46 |
| 2024-04-17 |
11 |
54 |
| 2024-04-17 |
12 |
64 |
| 2024-04-17 |
13 |
80 |
| 2024-04-17 |
14 |
94 |
| 2024-04-17 |
15 |
107 |
| 2024-04-17 |
16 |
128 |
| 2024-04-17 |
17 |
133 |
| 2024-04-17 |
18 |
141 |
| 2024-04-17 |
19 |
130 |
| 2024-04-17 |
20 |
107 |
Cambridge Bay, CBB
Forecast hourly ranges for Cambridge Bay
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
135 |
| 2024-04-16 |
22 |
101 |
| 2024-04-16 |
23 |
73 |
| 2024-04-17 |
00 |
53 |
| 2024-04-17 |
01 |
39 |
| 2024-04-17 |
02 |
36 |
| 2024-04-17 |
03 |
38 |
| 2024-04-17 |
04 |
41 |
| 2024-04-17 |
05 |
49 |
| 2024-04-17 |
06 |
47 |
| 2024-04-17 |
07 |
44 |
| 2024-04-17 |
08 |
43 |
| 2024-04-17 |
09 |
38 |
| 2024-04-17 |
10 |
39 |
| 2024-04-17 |
11 |
43 |
| 2024-04-17 |
12 |
52 |
| 2024-04-17 |
13 |
59 |
| 2024-04-17 |
14 |
76 |
| 2024-04-17 |
15 |
93 |
| 2024-04-17 |
16 |
124 |
| 2024-04-17 |
17 |
159 |
| 2024-04-17 |
18 |
169 |
| 2024-04-17 |
19 |
163 |
| 2024-04-17 |
20 |
148 |
Baker Lake, BLC
Forecast hourly ranges for Baker Lake
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
106 |
| 2024-04-16 |
22 |
81 |
| 2024-04-16 |
23 |
63 |
| 2024-04-17 |
00 |
49 |
| 2024-04-17 |
01 |
59 |
| 2024-04-17 |
02 |
84 |
| 2024-04-17 |
03 |
95 |
| 2024-04-17 |
04 |
108 |
| 2024-04-17 |
05 |
118 |
| 2024-04-17 |
06 |
105 |
| 2024-04-17 |
07 |
95 |
| 2024-04-17 |
08 |
72 |
| 2024-04-17 |
09 |
68 |
| 2024-04-17 |
10 |
71 |
| 2024-04-17 |
11 |
75 |
| 2024-04-17 |
12 |
95 |
| 2024-04-17 |
13 |
116 |
| 2024-04-17 |
14 |
159 |
| 2024-04-17 |
15 |
179 |
| 2024-04-17 |
16 |
182 |
| 2024-04-17 |
17 |
155 |
| 2024-04-17 |
18 |
143 |
| 2024-04-17 |
19 |
131 |
| 2024-04-17 |
20 |
130 |
Iqaluit, IQA
Forecast hourly ranges for Iqaluit
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
90 |
| 2024-04-16 |
22 |
89 |
| 2024-04-16 |
23 |
118 |
| 2024-04-17 |
00 |
155 |
| 2024-04-17 |
01 |
182 |
| 2024-04-17 |
02 |
171 |
| 2024-04-17 |
03 |
131 |
| 2024-04-17 |
04 |
117 |
| 2024-04-17 |
05 |
111 |
| 2024-04-17 |
06 |
93 |
| 2024-04-17 |
07 |
94 |
| 2024-04-17 |
08 |
111 |
| 2024-04-17 |
09 |
144 |
| 2024-04-17 |
10 |
194 |
| 2024-04-17 |
11 |
212 |
| 2024-04-17 |
12 |
200 |
| 2024-04-17 |
13 |
184 |
| 2024-04-17 |
14 |
168 |
| 2024-04-17 |
15 |
149 |
| 2024-04-17 |
16 |
162 |
| 2024-04-17 |
17 |
171 |
| 2024-04-17 |
18 |
158 |
| 2024-04-17 |
19 |
136 |
| 2024-04-17 |
20 |
116 |
Yellowknife, YKC
Forecast hourly ranges for Yellowknife
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
54 |
| 2024-04-16 |
22 |
67 |
| 2024-04-16 |
23 |
72 |
| 2024-04-17 |
00 |
68 |
| 2024-04-17 |
01 |
87 |
| 2024-04-17 |
02 |
87 |
| 2024-04-17 |
03 |
109 |
| 2024-04-17 |
04 |
151 |
| 2024-04-17 |
05 |
223 |
| 2024-04-17 |
06 |
276 |
| 2024-04-17 |
07 |
286 |
| 2024-04-17 |
08 |
230 |
| 2024-04-17 |
09 |
177 |
| 2024-04-17 |
10 |
143 |
| 2024-04-17 |
11 |
126 |
| 2024-04-17 |
12 |
146 |
| 2024-04-17 |
13 |
196 |
| 2024-04-17 |
14 |
190 |
| 2024-04-17 |
15 |
154 |
| 2024-04-17 |
16 |
117 |
| 2024-04-17 |
17 |
99 |
| 2024-04-17 |
18 |
84 |
| 2024-04-17 |
19 |
74 |
| 2024-04-17 |
20 |
70 |
Fort Churchill, FCC
Forecast hourly ranges for Fort Churchill
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
114 |
| 2024-04-16 |
22 |
120 |
| 2024-04-16 |
23 |
136 |
| 2024-04-17 |
00 |
112 |
| 2024-04-17 |
01 |
152 |
| 2024-04-17 |
02 |
172 |
| 2024-04-17 |
03 |
253 |
| 2024-04-17 |
04 |
366 |
| 2024-04-17 |
05 |
345 |
| 2024-04-17 |
06 |
337 |
| 2024-04-17 |
07 |
261 |
| 2024-04-17 |
08 |
186 |
| 2024-04-17 |
09 |
160 |
| 2024-04-17 |
10 |
144 |
| 2024-04-17 |
11 |
158 |
| 2024-04-17 |
12 |
176 |
| 2024-04-17 |
13 |
183 |
| 2024-04-17 |
14 |
155 |
| 2024-04-17 |
15 |
125 |
| 2024-04-17 |
16 |
114 |
| 2024-04-17 |
17 |
104 |
| 2024-04-17 |
18 |
100 |
| 2024-04-17 |
19 |
102 |
| 2024-04-17 |
20 |
120 |
Sanikiluaq, SNK
Forecast hourly ranges for Sanikiluaq
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
59 |
| 2024-04-16 |
22 |
95 |
| 2024-04-16 |
23 |
108 |
| 2024-04-17 |
00 |
132 |
| 2024-04-17 |
01 |
160 |
| 2024-04-17 |
02 |
222 |
| 2024-04-17 |
03 |
279 |
| 2024-04-17 |
04 |
306 |
| 2024-04-17 |
05 |
258 |
| 2024-04-17 |
06 |
199 |
| 2024-04-17 |
07 |
197 |
| 2024-04-17 |
08 |
173 |
| 2024-04-17 |
09 |
179 |
| 2024-04-17 |
10 |
187 |
| 2024-04-17 |
11 |
172 |
| 2024-04-17 |
12 |
124 |
| 2024-04-17 |
13 |
98 |
| 2024-04-17 |
14 |
83 |
| 2024-04-17 |
15 |
72 |
| 2024-04-17 |
16 |
69 |
| 2024-04-17 |
17 |
68 |
| 2024-04-17 |
18 |
77 |
| 2024-04-17 |
19 |
85 |
| 2024-04-17 |
20 |
98 |
Meanook, MEA
Forecast hourly ranges for Meanook
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
57 |
| 2024-04-16 |
22 |
67 |
| 2024-04-16 |
23 |
68 |
| 2024-04-17 |
00 |
69 |
| 2024-04-17 |
01 |
69 |
| 2024-04-17 |
02 |
82 |
| 2024-04-17 |
03 |
126 |
| 2024-04-17 |
04 |
140 |
| 2024-04-17 |
05 |
165 |
| 2024-04-17 |
06 |
189 |
| 2024-04-17 |
07 |
201 |
| 2024-04-17 |
08 |
171 |
| 2024-04-17 |
09 |
158 |
| 2024-04-17 |
10 |
131 |
| 2024-04-17 |
11 |
111 |
| 2024-04-17 |
12 |
98 |
| 2024-04-17 |
13 |
98 |
| 2024-04-17 |
14 |
82 |
| 2024-04-17 |
15 |
73 |
| 2024-04-17 |
16 |
67 |
| 2024-04-17 |
17 |
60 |
| 2024-04-17 |
18 |
56 |
| 2024-04-17 |
19 |
57 |
| 2024-04-17 |
20 |
62 |
Brandon, BRD
Forecast hourly ranges for Brandon
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
40 |
| 2024-04-16 |
22 |
46 |
| 2024-04-16 |
23 |
46 |
| 2024-04-17 |
00 |
48 |
| 2024-04-17 |
01 |
51 |
| 2024-04-17 |
02 |
58 |
| 2024-04-17 |
03 |
68 |
| 2024-04-17 |
04 |
83 |
| 2024-04-17 |
05 |
92 |
| 2024-04-17 |
06 |
82 |
| 2024-04-17 |
07 |
82 |
| 2024-04-17 |
08 |
68 |
| 2024-04-17 |
09 |
67 |
| 2024-04-17 |
10 |
57 |
| 2024-04-17 |
11 |
44 |
| 2024-04-17 |
12 |
36 |
| 2024-04-17 |
13 |
33 |
| 2024-04-17 |
14 |
28 |
| 2024-04-17 |
15 |
25 |
| 2024-04-17 |
16 |
24 |
| 2024-04-17 |
17 |
24 |
| 2024-04-17 |
18 |
29 |
| 2024-04-17 |
19 |
30 |
| 2024-04-17 |
20 |
33 |
St Johns, STJ
Forecast hourly ranges for St Johns
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
29 |
| 2024-04-16 |
22 |
24 |
| 2024-04-16 |
23 |
23 |
| 2024-04-17 |
00 |
23 |
| 2024-04-17 |
01 |
25 |
| 2024-04-17 |
02 |
25 |
| 2024-04-17 |
03 |
25 |
| 2024-04-17 |
04 |
24 |
| 2024-04-17 |
05 |
23 |
| 2024-04-17 |
06 |
21 |
| 2024-04-17 |
07 |
21 |
| 2024-04-17 |
08 |
21 |
| 2024-04-17 |
09 |
26 |
| 2024-04-17 |
10 |
31 |
| 2024-04-17 |
11 |
33 |
| 2024-04-17 |
12 |
30 |
| 2024-04-17 |
13 |
28 |
| 2024-04-17 |
14 |
24 |
| 2024-04-17 |
15 |
23 |
| 2024-04-17 |
16 |
24 |
| 2024-04-17 |
17 |
26 |
| 2024-04-17 |
18 |
28 |
| 2024-04-17 |
19 |
27 |
| 2024-04-17 |
20 |
26 |
Ottawa, OTT
Forecast hourly ranges for Ottawa
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
35 |
| 2024-04-16 |
22 |
34 |
| 2024-04-16 |
23 |
33 |
| 2024-04-17 |
00 |
23 |
| 2024-04-17 |
01 |
25 |
| 2024-04-17 |
02 |
30 |
| 2024-04-17 |
03 |
34 |
| 2024-04-17 |
04 |
37 |
| 2024-04-17 |
05 |
38 |
| 2024-04-17 |
06 |
36 |
| 2024-04-17 |
07 |
36 |
| 2024-04-17 |
08 |
32 |
| 2024-04-17 |
09 |
29 |
| 2024-04-17 |
10 |
27 |
| 2024-04-17 |
11 |
27 |
| 2024-04-17 |
12 |
31 |
| 2024-04-17 |
13 |
34 |
| 2024-04-17 |
14 |
32 |
| 2024-04-17 |
15 |
31 |
| 2024-04-17 |
16 |
29 |
| 2024-04-17 |
17 |
28 |
| 2024-04-17 |
18 |
31 |
| 2024-04-17 |
19 |
33 |
| 2024-04-17 |
20 |
36 |
Victoria, VIC
Forecast hourly ranges for Victoria
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
21 |
38 |
| 2024-04-16 |
22 |
43 |
| 2024-04-16 |
23 |
43 |
| 2024-04-17 |
00 |
39 |
| 2024-04-17 |
01 |
36 |
| 2024-04-17 |
02 |
32 |
| 2024-04-17 |
03 |
33 |
| 2024-04-17 |
04 |
29 |
| 2024-04-17 |
05 |
29 |
| 2024-04-17 |
06 |
31 |
| 2024-04-17 |
07 |
33 |
| 2024-04-17 |
08 |
29 |
| 2024-04-17 |
09 |
27 |
| 2024-04-17 |
10 |
27 |
| 2024-04-17 |
11 |
25 |
| 2024-04-17 |
12 |
25 |
| 2024-04-17 |
13 |
25 |
| 2024-04-17 |
14 |
26 |
| 2024-04-17 |
15 |
30 |
| 2024-04-17 |
16 |
35 |
| 2024-04-17 |
17 |
35 |
| 2024-04-17 |
18 |
33 |
| 2024-04-17 |
19 |
35 |
| 2024-04-17 |
20 |
33 |
