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 |
18 |
172 |
| 2024-04-16 |
19 |
160 |
| 2024-04-16 |
20 |
132 |
| 2024-04-16 |
21 |
94 |
| 2024-04-16 |
22 |
73 |
| 2024-04-16 |
23 |
64 |
| 2024-04-17 |
00 |
54 |
| 2024-04-17 |
01 |
51 |
| 2024-04-17 |
02 |
46 |
| 2024-04-17 |
03 |
43 |
| 2024-04-17 |
04 |
34 |
| 2024-04-17 |
05 |
41 |
| 2024-04-17 |
06 |
37 |
| 2024-04-17 |
07 |
39 |
| 2024-04-17 |
08 |
40 |
| 2024-04-17 |
09 |
47 |
| 2024-04-17 |
10 |
50 |
| 2024-04-17 |
11 |
59 |
| 2024-04-17 |
12 |
71 |
| 2024-04-17 |
13 |
88 |
| 2024-04-17 |
14 |
104 |
| 2024-04-17 |
15 |
118 |
| 2024-04-17 |
16 |
141 |
| 2024-04-17 |
17 |
147 |
Auroral, AUR
Forecast hourly ranges for Auroral
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
150 |
| 2024-04-16 |
19 |
138 |
| 2024-04-16 |
20 |
136 |
| 2024-04-16 |
21 |
118 |
| 2024-04-16 |
22 |
138 |
| 2024-04-16 |
23 |
146 |
| 2024-04-17 |
00 |
164 |
| 2024-04-17 |
01 |
187 |
| 2024-04-17 |
02 |
242 |
| 2024-04-17 |
03 |
292 |
| 2024-04-17 |
04 |
342 |
| 2024-04-17 |
05 |
325 |
| 2024-04-17 |
06 |
320 |
| 2024-04-17 |
07 |
267 |
| 2024-04-17 |
08 |
213 |
| 2024-04-17 |
09 |
172 |
| 2024-04-17 |
10 |
180 |
| 2024-04-17 |
11 |
164 |
| 2024-04-17 |
12 |
166 |
| 2024-04-17 |
13 |
180 |
| 2024-04-17 |
14 |
175 |
| 2024-04-17 |
15 |
168 |
| 2024-04-17 |
16 |
171 |
| 2024-04-17 |
17 |
145 |
Sub-auroral, SUB
Forecast hourly ranges for Sub-auroral
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
41 |
| 2024-04-16 |
19 |
42 |
| 2024-04-16 |
20 |
43 |
| 2024-04-16 |
21 |
43 |
| 2024-04-16 |
22 |
45 |
| 2024-04-16 |
23 |
44 |
| 2024-04-17 |
00 |
40 |
| 2024-04-17 |
01 |
36 |
| 2024-04-17 |
02 |
33 |
| 2024-04-17 |
03 |
37 |
| 2024-04-17 |
04 |
39 |
| 2024-04-17 |
05 |
39 |
| 2024-04-17 |
06 |
36 |
| 2024-04-17 |
07 |
36 |
| 2024-04-17 |
08 |
32 |
| 2024-04-17 |
09 |
29 |
| 2024-04-17 |
10 |
29 |
| 2024-04-17 |
11 |
31 |
| 2024-04-17 |
12 |
31 |
| 2024-04-17 |
13 |
34 |
| 2024-04-17 |
14 |
33 |
| 2024-04-17 |
15 |
31 |
| 2024-04-17 |
16 |
32 |
| 2024-04-17 |
17 |
33 |
Eureka, EUA
Forecast hourly ranges for Eureka
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
172 |
| 2024-04-16 |
19 |
160 |
| 2024-04-16 |
20 |
132 |
| 2024-04-16 |
21 |
94 |
| 2024-04-16 |
22 |
73 |
| 2024-04-16 |
23 |
64 |
| 2024-04-17 |
00 |
54 |
| 2024-04-17 |
01 |
51 |
| 2024-04-17 |
02 |
46 |
| 2024-04-17 |
03 |
43 |
| 2024-04-17 |
04 |
34 |
| 2024-04-17 |
05 |
41 |
| 2024-04-17 |
06 |
37 |
| 2024-04-17 |
07 |
39 |
| 2024-04-17 |
08 |
40 |
| 2024-04-17 |
09 |
47 |
| 2024-04-17 |
10 |
50 |
| 2024-04-17 |
11 |
59 |
| 2024-04-17 |
12 |
71 |
| 2024-04-17 |
13 |
88 |
| 2024-04-17 |
14 |
104 |
| 2024-04-17 |
15 |
118 |
| 2024-04-17 |
16 |
141 |
| 2024-04-17 |
17 |
147 |
Resolute Bay, RES
Forecast hourly ranges for Resolute Bay
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
147 |
| 2024-04-16 |
19 |
137 |
| 2024-04-16 |
20 |
112 |
| 2024-04-16 |
21 |
79 |
| 2024-04-16 |
22 |
60 |
| 2024-04-16 |
23 |
53 |
| 2024-04-17 |
00 |
45 |
| 2024-04-17 |
01 |
42 |
| 2024-04-17 |
02 |
39 |
| 2024-04-17 |
03 |
36 |
| 2024-04-17 |
04 |
30 |
| 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 |
45 |
| 2024-04-17 |
11 |
53 |
| 2024-04-17 |
12 |
63 |
| 2024-04-17 |
13 |
79 |
| 2024-04-17 |
14 |
93 |
| 2024-04-17 |
15 |
106 |
| 2024-04-17 |
16 |
127 |
| 2024-04-17 |
17 |
132 |
Cambridge Bay, CBB
Forecast hourly ranges for Cambridge Bay
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
188 |
| 2024-04-16 |
19 |
181 |
| 2024-04-16 |
20 |
164 |
| 2024-04-16 |
21 |
148 |
| 2024-04-16 |
22 |
112 |
| 2024-04-16 |
23 |
81 |
| 2024-04-17 |
00 |
59 |
| 2024-04-17 |
01 |
44 |
| 2024-04-17 |
02 |
41 |
| 2024-04-17 |
03 |
42 |
| 2024-04-17 |
04 |
44 |
| 2024-04-17 |
05 |
52 |
| 2024-04-17 |
06 |
50 |
| 2024-04-17 |
07 |
47 |
| 2024-04-17 |
08 |
46 |
| 2024-04-17 |
09 |
40 |
| 2024-04-17 |
10 |
42 |
| 2024-04-17 |
11 |
46 |
| 2024-04-17 |
12 |
55 |
| 2024-04-17 |
13 |
62 |
| 2024-04-17 |
14 |
80 |
| 2024-04-17 |
15 |
98 |
| 2024-04-17 |
16 |
131 |
| 2024-04-17 |
17 |
168 |
Baker Lake, BLC
Forecast hourly ranges for Baker Lake
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
150 |
| 2024-04-16 |
19 |
138 |
| 2024-04-16 |
20 |
136 |
| 2024-04-16 |
21 |
118 |
| 2024-04-16 |
22 |
93 |
| 2024-04-16 |
23 |
74 |
| 2024-04-17 |
00 |
59 |
| 2024-04-17 |
01 |
66 |
| 2024-04-17 |
02 |
88 |
| 2024-04-17 |
03 |
96 |
| 2024-04-17 |
04 |
107 |
| 2024-04-17 |
05 |
114 |
| 2024-04-17 |
06 |
100 |
| 2024-04-17 |
07 |
90 |
| 2024-04-17 |
08 |
68 |
| 2024-04-17 |
09 |
64 |
| 2024-04-17 |
10 |
67 |
| 2024-04-17 |
11 |
71 |
| 2024-04-17 |
12 |
89 |
| 2024-04-17 |
13 |
109 |
| 2024-04-17 |
14 |
149 |
| 2024-04-17 |
15 |
168 |
| 2024-04-17 |
16 |
171 |
| 2024-04-17 |
17 |
145 |
Iqaluit, IQA
Forecast hourly ranges for Iqaluit
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
177 |
| 2024-04-16 |
19 |
153 |
| 2024-04-16 |
20 |
132 |
| 2024-04-16 |
21 |
116 |
| 2024-04-16 |
22 |
113 |
| 2024-04-16 |
23 |
139 |
| 2024-04-17 |
00 |
173 |
| 2024-04-17 |
01 |
198 |
| 2024-04-17 |
02 |
185 |
| 2024-04-17 |
03 |
142 |
| 2024-04-17 |
04 |
126 |
| 2024-04-17 |
05 |
117 |
| 2024-04-17 |
06 |
96 |
| 2024-04-17 |
07 |
96 |
| 2024-04-17 |
08 |
112 |
| 2024-04-17 |
09 |
145 |
| 2024-04-17 |
10 |
195 |
| 2024-04-17 |
11 |
213 |
| 2024-04-17 |
12 |
201 |
| 2024-04-17 |
13 |
185 |
| 2024-04-17 |
14 |
168 |
| 2024-04-17 |
15 |
149 |
| 2024-04-17 |
16 |
163 |
| 2024-04-17 |
17 |
171 |
Yellowknife, YKC
Forecast hourly ranges for Yellowknife
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
60 |
| 2024-04-16 |
19 |
52 |
| 2024-04-16 |
20 |
50 |
| 2024-04-16 |
21 |
57 |
| 2024-04-16 |
22 |
69 |
| 2024-04-16 |
23 |
73 |
| 2024-04-17 |
00 |
69 |
| 2024-04-17 |
01 |
86 |
| 2024-04-17 |
02 |
86 |
| 2024-04-17 |
03 |
106 |
| 2024-04-17 |
04 |
144 |
| 2024-04-17 |
05 |
210 |
| 2024-04-17 |
06 |
259 |
| 2024-04-17 |
07 |
267 |
| 2024-04-17 |
08 |
213 |
| 2024-04-17 |
09 |
163 |
| 2024-04-17 |
10 |
131 |
| 2024-04-17 |
11 |
116 |
| 2024-04-17 |
12 |
134 |
| 2024-04-17 |
13 |
180 |
| 2024-04-17 |
14 |
175 |
| 2024-04-17 |
15 |
142 |
| 2024-04-17 |
16 |
108 |
| 2024-04-17 |
17 |
91 |
Fort Churchill, FCC
Forecast hourly ranges for Fort Churchill
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
58 |
| 2024-04-16 |
19 |
63 |
| 2024-04-16 |
20 |
82 |
| 2024-04-16 |
21 |
84 |
| 2024-04-16 |
22 |
92 |
| 2024-04-16 |
23 |
110 |
| 2024-04-17 |
00 |
90 |
| 2024-04-17 |
01 |
131 |
| 2024-04-17 |
02 |
152 |
| 2024-04-17 |
03 |
232 |
| 2024-04-17 |
04 |
342 |
| 2024-04-17 |
05 |
325 |
| 2024-04-17 |
06 |
320 |
| 2024-04-17 |
07 |
248 |
| 2024-04-17 |
08 |
176 |
| 2024-04-17 |
09 |
151 |
| 2024-04-17 |
10 |
136 |
| 2024-04-17 |
11 |
150 |
| 2024-04-17 |
12 |
166 |
| 2024-04-17 |
13 |
173 |
| 2024-04-17 |
14 |
146 |
| 2024-04-17 |
15 |
118 |
| 2024-04-17 |
16 |
108 |
| 2024-04-17 |
17 |
98 |
Sanikiluaq, SNK
Forecast hourly ranges for Sanikiluaq
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
88 |
| 2024-04-16 |
19 |
95 |
| 2024-04-16 |
20 |
106 |
| 2024-04-16 |
21 |
109 |
| 2024-04-16 |
22 |
138 |
| 2024-04-16 |
23 |
146 |
| 2024-04-17 |
00 |
164 |
| 2024-04-17 |
01 |
187 |
| 2024-04-17 |
02 |
242 |
| 2024-04-17 |
03 |
292 |
| 2024-04-17 |
04 |
313 |
| 2024-04-17 |
05 |
262 |
| 2024-04-17 |
06 |
201 |
| 2024-04-17 |
07 |
196 |
| 2024-04-17 |
08 |
169 |
| 2024-04-17 |
09 |
172 |
| 2024-04-17 |
10 |
180 |
| 2024-04-17 |
11 |
164 |
| 2024-04-17 |
12 |
119 |
| 2024-04-17 |
13 |
94 |
| 2024-04-17 |
14 |
80 |
| 2024-04-17 |
15 |
69 |
| 2024-04-17 |
16 |
66 |
| 2024-04-17 |
17 |
65 |
Meanook, MEA
Forecast hourly ranges for Meanook
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
22 |
| 2024-04-16 |
19 |
25 |
| 2024-04-16 |
20 |
33 |
| 2024-04-16 |
21 |
42 |
| 2024-04-16 |
22 |
53 |
| 2024-04-16 |
23 |
56 |
| 2024-04-17 |
00 |
58 |
| 2024-04-17 |
01 |
60 |
| 2024-04-17 |
02 |
73 |
| 2024-04-17 |
03 |
117 |
| 2024-04-17 |
04 |
131 |
| 2024-04-17 |
05 |
157 |
| 2024-04-17 |
06 |
181 |
| 2024-04-17 |
07 |
191 |
| 2024-04-17 |
08 |
163 |
| 2024-04-17 |
09 |
149 |
| 2024-04-17 |
10 |
124 |
| 2024-04-17 |
11 |
105 |
| 2024-04-17 |
12 |
93 |
| 2024-04-17 |
13 |
93 |
| 2024-04-17 |
14 |
78 |
| 2024-04-17 |
15 |
69 |
| 2024-04-17 |
16 |
63 |
| 2024-04-17 |
17 |
57 |
Brandon, BRD
Forecast hourly ranges for Brandon
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
21 |
| 2024-04-16 |
19 |
23 |
| 2024-04-16 |
20 |
27 |
| 2024-04-16 |
21 |
28 |
| 2024-04-16 |
22 |
35 |
| 2024-04-16 |
23 |
35 |
| 2024-04-17 |
00 |
39 |
| 2024-04-17 |
01 |
42 |
| 2024-04-17 |
02 |
49 |
| 2024-04-17 |
03 |
60 |
| 2024-04-17 |
04 |
74 |
| 2024-04-17 |
05 |
83 |
| 2024-04-17 |
06 |
74 |
| 2024-04-17 |
07 |
75 |
| 2024-04-17 |
08 |
63 |
| 2024-04-17 |
09 |
62 |
| 2024-04-17 |
10 |
53 |
| 2024-04-17 |
11 |
41 |
| 2024-04-17 |
12 |
34 |
| 2024-04-17 |
13 |
30 |
| 2024-04-17 |
14 |
26 |
| 2024-04-17 |
15 |
23 |
| 2024-04-17 |
16 |
22 |
| 2024-04-17 |
17 |
22 |
St Johns, STJ
Forecast hourly ranges for St Johns
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
36 |
| 2024-04-16 |
19 |
35 |
| 2024-04-16 |
20 |
33 |
| 2024-04-16 |
21 |
32 |
| 2024-04-16 |
22 |
28 |
| 2024-04-16 |
23 |
26 |
| 2024-04-17 |
00 |
25 |
| 2024-04-17 |
01 |
26 |
| 2024-04-17 |
02 |
26 |
| 2024-04-17 |
03 |
25 |
| 2024-04-17 |
04 |
23 |
| 2024-04-17 |
05 |
22 |
| 2024-04-17 |
06 |
19 |
| 2024-04-17 |
07 |
20 |
| 2024-04-17 |
08 |
20 |
| 2024-04-17 |
09 |
25 |
| 2024-04-17 |
10 |
29 |
| 2024-04-17 |
11 |
31 |
| 2024-04-17 |
12 |
29 |
| 2024-04-17 |
13 |
26 |
| 2024-04-17 |
14 |
23 |
| 2024-04-17 |
15 |
22 |
| 2024-04-17 |
16 |
23 |
| 2024-04-17 |
17 |
25 |
Ottawa, OTT
Forecast hourly ranges for Ottawa
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
40 |
| 2024-04-16 |
19 |
42 |
| 2024-04-16 |
20 |
43 |
| 2024-04-16 |
21 |
43 |
| 2024-04-16 |
22 |
41 |
| 2024-04-16 |
23 |
39 |
| 2024-04-17 |
00 |
28 |
| 2024-04-17 |
01 |
29 |
| 2024-04-17 |
02 |
33 |
| 2024-04-17 |
03 |
37 |
| 2024-04-17 |
04 |
39 |
| 2024-04-17 |
05 |
39 |
| 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 |
28 |
| 2024-04-17 |
12 |
31 |
| 2024-04-17 |
13 |
34 |
| 2024-04-17 |
14 |
33 |
| 2024-04-17 |
15 |
31 |
| 2024-04-17 |
16 |
29 |
| 2024-04-17 |
17 |
28 |
Victoria, VIC
Forecast hourly ranges for Victoria
| Date |
Hour |
Hourly range (nT) |
| 2024-04-16 |
18 |
41 |
| 2024-04-16 |
19 |
41 |
| 2024-04-16 |
20 |
39 |
| 2024-04-16 |
21 |
41 |
| 2024-04-16 |
22 |
45 |
| 2024-04-16 |
23 |
44 |
| 2024-04-17 |
00 |
40 |
| 2024-04-17 |
01 |
36 |
| 2024-04-17 |
02 |
32 |
| 2024-04-17 |
03 |
32 |
| 2024-04-17 |
04 |
28 |
| 2024-04-17 |
05 |
27 |
| 2024-04-17 |
06 |
28 |
| 2024-04-17 |
07 |
30 |
| 2024-04-17 |
08 |
27 |
| 2024-04-17 |
09 |
25 |
| 2024-04-17 |
10 |
25 |
| 2024-04-17 |
11 |
24 |
| 2024-04-17 |
12 |
23 |
| 2024-04-17 |
13 |
23 |
| 2024-04-17 |
14 |
24 |
| 2024-04-17 |
15 |
28 |
| 2024-04-17 |
16 |
32 |
| 2024-04-17 |
17 |
33 |
