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)
2017-09-20 12 56
2017-09-20 13 78
2017-09-20 14 91
2017-09-20 15 110
2017-09-20 16 115
2017-09-20 17 130
2017-09-20 18 119
2017-09-20 19 107
2017-09-20 20 91
2017-09-20 21 69
2017-09-20 22 56
2017-09-20 23 50
2017-09-21 00 44
2017-09-21 01 40
2017-09-21 02 35
2017-09-21 03 38
2017-09-21 04 36
2017-09-21 05 36
2017-09-21 06 36
2017-09-21 07 42
2017-09-21 08 46
2017-09-21 09 51
2017-09-21 10 54
2017-09-21 11 63

Auroral, AUR

Forecast hourly ranges for Auroral
Date Hour Hourly range (nT)
2017-09-20 12 211
2017-09-20 13 183
2017-09-20 14 177
2017-09-20 15 183
2017-09-20 16 163
2017-09-20 17 153
2017-09-20 18 149
2017-09-20 19 138
2017-09-20 20 152
2017-09-20 21 126
2017-09-20 22 94
2017-09-20 23 84
2017-09-21 00 96
2017-09-21 01 123
2017-09-21 02 156
2017-09-21 03 170
2017-09-21 04 232
2017-09-21 05 222
2017-09-21 06 230
2017-09-21 07 219
2017-09-21 08 174
2017-09-21 09 153
2017-09-21 10 124
2017-09-21 11 123

Sub-auroral, SUB

Forecast hourly ranges for Sub-auroral
Date Hour Hourly range (nT)
2017-09-20 12 16
2017-09-20 13 14
2017-09-20 14 14
2017-09-20 15 15
2017-09-20 16 18
2017-09-20 17 18
2017-09-20 18 18
2017-09-20 19 18
2017-09-20 20 19
2017-09-20 21 21
2017-09-20 22 21
2017-09-20 23 21
2017-09-21 00 19
2017-09-21 01 16
2017-09-21 02 17
2017-09-21 03 17
2017-09-21 04 19
2017-09-21 05 24
2017-09-21 06 23
2017-09-21 07 20
2017-09-21 08 21
2017-09-21 09 18
2017-09-21 10 19
2017-09-21 11 18

Eureka, EUA

Forecast hourly ranges for Eureka
Date Hour Hourly range (nT)
2017-09-20 12 9999
2017-09-20 13 9999
2017-09-20 14 9999
2017-09-20 15 9999
2017-09-20 16 9999
2017-09-20 17 9999
2017-09-20 18 9999
2017-09-20 19 9999
2017-09-20 20 9999
2017-09-20 21 9999
2017-09-20 22 9999
2017-09-20 23 9999
2017-09-21 00 9999
2017-09-21 01 9999
2017-09-21 02 9999
2017-09-21 03 9999
2017-09-21 04 9999
2017-09-21 05 9999
2017-09-21 06 9999
2017-09-21 07 9999
2017-09-21 08 9999
2017-09-21 09 9999
2017-09-21 10 9999
2017-09-21 11 9999

Resolute Bay, RES

Forecast hourly ranges for Resolute Bay
Date Hour Hourly range (nT)
2017-09-20 12 56
2017-09-20 13 78
2017-09-20 14 91
2017-09-20 15 110
2017-09-20 16 115
2017-09-20 17 130
2017-09-20 18 119
2017-09-20 19 107
2017-09-20 20 91
2017-09-20 21 69
2017-09-20 22 56
2017-09-20 23 50
2017-09-21 00 44
2017-09-21 01 40
2017-09-21 02 35
2017-09-21 03 38
2017-09-21 04 36
2017-09-21 05 36
2017-09-21 06 36
2017-09-21 07 42
2017-09-21 08 46
2017-09-21 09 51
2017-09-21 10 54
2017-09-21 11 63

Cambridge Bay, CBB

Forecast hourly ranges for Cambridge Bay
Date Hour Hourly range (nT)
2017-09-20 12 58
2017-09-20 13 71
2017-09-20 14 95
2017-09-20 15 114
2017-09-20 16 151
2017-09-20 17 183
2017-09-20 18 209
2017-09-20 19 202
2017-09-20 20 194
2017-09-20 21 168
2017-09-20 22 124
2017-09-20 23 83
2017-09-21 00 68
2017-09-21 01 49
2017-09-21 02 45
2017-09-21 03 43
2017-09-21 04 66
2017-09-21 05 77
2017-09-21 06 80
2017-09-21 07 75
2017-09-21 08 63
2017-09-21 09 61
2017-09-21 10 62
2017-09-21 11 61

Baker Lake, BLC

Forecast hourly ranges for Baker Lake
Date Hour Hourly range (nT)
2017-09-20 12 105
2017-09-20 13 129
2017-09-20 14 175
2017-09-20 15 183
2017-09-20 16 163
2017-09-20 17 153
2017-09-20 18 149
2017-09-20 19 138
2017-09-20 20 152
2017-09-20 21 126
2017-09-20 22 94
2017-09-20 23 74
2017-09-21 00 69
2017-09-21 01 59
2017-09-21 02 99
2017-09-21 03 130
2017-09-21 04 151
2017-09-21 05 131
2017-09-21 06 130
2017-09-21 07 89
2017-09-21 08 67
2017-09-21 09 64
2017-09-21 10 78
2017-09-21 11 91

Iqaluit, IQA

Forecast hourly ranges for Iqaluit
Date Hour Hourly range (nT)
2017-09-20 12 225
2017-09-20 13 214
2017-09-20 14 202
2017-09-20 15 196
2017-09-20 16 203
2017-09-20 17 214
2017-09-20 18 211
2017-09-20 19 181
2017-09-20 20 162
2017-09-20 21 137
2017-09-20 22 124
2017-09-20 23 173
2017-09-21 00 176
2017-09-21 01 209
2017-09-21 02 201
2017-09-21 03 199
2017-09-21 04 134
2017-09-21 05 104
2017-09-21 06 100
2017-09-21 07 99
2017-09-21 08 122
2017-09-21 09 199
2017-09-21 10 227
2017-09-21 11 221

Yellowknife, YKC

Forecast hourly ranges for Yellowknife
Date Hour Hourly range (nT)
2017-09-20 12 138
2017-09-20 13 174
2017-09-20 14 177
2017-09-20 15 142
2017-09-20 16 123
2017-09-20 17 101
2017-09-20 18 80
2017-09-20 19 81
2017-09-20 20 82
2017-09-20 21 84
2017-09-20 22 82
2017-09-20 23 84
2017-09-21 00 82
2017-09-21 01 81
2017-09-21 02 75
2017-09-21 03 99
2017-09-21 04 150
2017-09-21 05 192
2017-09-21 06 230
2017-09-21 07 219
2017-09-21 08 174
2017-09-21 09 153
2017-09-21 10 124
2017-09-21 11 101

Fort Churchill, FCC

Forecast hourly ranges for Fort Churchill
Date Hour Hourly range (nT)
2017-09-20 12 211
2017-09-20 13 183
2017-09-20 14 169
2017-09-20 15 146
2017-09-20 16 125
2017-09-20 17 113
2017-09-20 18 106
2017-09-20 19 105
2017-09-20 20 98
2017-09-20 21 90
2017-09-20 22 82
2017-09-20 23 83
2017-09-21 00 73
2017-09-21 01 91
2017-09-21 02 106
2017-09-21 03 162
2017-09-21 04 232
2017-09-21 05 222
2017-09-21 06 179
2017-09-21 07 127
2017-09-21 08 106
2017-09-21 09 103
2017-09-21 10 115
2017-09-21 11 123

Sanikiluaq, SNK

Forecast hourly ranges for Sanikiluaq
Date Hour Hourly range (nT)
2017-09-20 12 70
2017-09-20 13 46
2017-09-20 14 40
2017-09-20 15 35
2017-09-20 16 33
2017-09-20 17 36
2017-09-20 18 43
2017-09-20 19 46
2017-09-20 20 51
2017-09-20 21 60
2017-09-20 22 73
2017-09-20 23 72
2017-09-21 00 96
2017-09-21 01 123
2017-09-21 02 156
2017-09-21 03 170
2017-09-21 04 171
2017-09-21 05 143
2017-09-21 06 122
2017-09-21 07 108
2017-09-21 08 110
2017-09-21 09 116
2017-09-21 10 123
2017-09-21 11 106

Meanook, MEA

Forecast hourly ranges for Meanook
Date Hour Hourly range (nT)
2017-09-20 12 47
2017-09-20 13 37
2017-09-20 14 34
2017-09-20 15 28
2017-09-20 16 26
2017-09-20 17 24
2017-09-20 18 21
2017-09-20 19 20
2017-09-20 20 21
2017-09-20 21 24
2017-09-20 22 22
2017-09-20 23 23
2017-09-21 00 20
2017-09-21 01 20
2017-09-21 02 22
2017-09-21 03 26
2017-09-21 04 34
2017-09-21 05 45
2017-09-21 06 55
2017-09-21 07 57
2017-09-21 08 57
2017-09-21 09 54
2017-09-21 10 46
2017-09-21 11 44

Brandon, BRD

Forecast hourly ranges for Brandon
Date Hour Hourly range (nT)
2017-09-20 12 1
2017-09-20 13 1
2017-09-20 14 1
2017-09-20 15 1
2017-09-20 16 1
2017-09-20 17 1
2017-09-20 18 1
2017-09-20 19 1
2017-09-20 20 1
2017-09-20 21 1
2017-09-20 22 1
2017-09-20 23 1
2017-09-21 00 1
2017-09-21 01 1
2017-09-21 02 1
2017-09-21 03 1
2017-09-21 04 1
2017-09-21 05 1
2017-09-21 06 1
2017-09-21 07 1
2017-09-21 08 1
2017-09-21 09 1
2017-09-21 10 1
2017-09-21 11 1

St Johns, STJ

Forecast hourly ranges for St Johns
Date Hour Hourly range (nT)
2017-09-20 12 16
2017-09-20 13 13
2017-09-20 14 13
2017-09-20 15 12
2017-09-20 16 13
2017-09-20 17 14
2017-09-20 18 17
2017-09-20 19 15
2017-09-20 20 14
2017-09-20 21 12
2017-09-20 22 11
2017-09-20 23 12
2017-09-21 00 13
2017-09-21 01 13
2017-09-21 02 13
2017-09-21 03 13
2017-09-21 04 14
2017-09-21 05 14
2017-09-21 06 13
2017-09-21 07 12
2017-09-21 08 13
2017-09-21 09 15
2017-09-21 10 19
2017-09-21 11 18

Ottawa, OTT

Forecast hourly ranges for Ottawa
Date Hour Hourly range (nT)
2017-09-20 12 12
2017-09-20 13 13
2017-09-20 14 13
2017-09-20 15 12
2017-09-20 16 11
2017-09-20 17 13
2017-09-20 18 14
2017-09-20 19 16
2017-09-20 20 17
2017-09-20 21 19
2017-09-20 22 18
2017-09-20 23 14
2017-09-21 00 15
2017-09-21 01 16
2017-09-21 02 17
2017-09-21 03 17
2017-09-21 04 19
2017-09-21 05 24
2017-09-21 06 23
2017-09-21 07 20
2017-09-21 08 21
2017-09-21 09 18
2017-09-21 10 18
2017-09-21 11 16

Victoria, VIC

Forecast hourly ranges for Victoria
Date Hour Hourly range (nT)
2017-09-20 12 15
2017-09-20 13 14
2017-09-20 14 14
2017-09-20 15 15
2017-09-20 16 18
2017-09-20 17 18
2017-09-20 18 18
2017-09-20 19 18
2017-09-20 20 19
2017-09-20 21 21
2017-09-20 22 21
2017-09-20 23 21
2017-09-21 00 19
2017-09-21 01 16
2017-09-21 02 14
2017-09-21 03 14
2017-09-21 04 15
2017-09-21 05 16
2017-09-21 06 16
2017-09-21 07 17
2017-09-21 08 17
2017-09-21 09 17
2017-09-21 10 16
2017-09-21 11 18