Description of algorithm
Full domain
American sector
European sector
Asian sector
GODAE regions
  Ice concntr, edge pos
  Contingency tables

Validation of sea ice concentration - GODAE regions

Bulletin date: 2020-12-10

Model: ARC MFC - TOPAZ

Data source: OSI SAF N.H. sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2020-12-14

Best estimate

Forecast

Arctic Deep Basin:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 151 14 82 26 0 0 0
OW 0 9 3 43 63 11 0 0
VODI 0 1 4 89 65 28 0 0
ODI 0 0 0 51 104 48 4 0
CDI 0 0 0 28 124 153 35 0
VCDI 0 0 0 2 196 914 5936 28718
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 139 10 76 61 13 0 0
OW 0 12 3 35 34 20 3 0
VODI 0 10 6 36 30 35 12 0
ODI 0 0 2 72 29 32 18 0
CDI 0 0 0 58 113 62 35 0
VCDI 0 0 0 18 311 992 5907 28718

Queen Elisabeth Islands:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 127 1575 1431
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 127 1575 1431

Beaufort Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 1 0 0
VCDI 0 0 0 0 1 296 3913 5771
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 1 0 0
VCDI 0 0 0 0 1 296 3913 5771

Chuckchi Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 438 12 30 0 0 0 0
OW 0 188 19 147 24 0 0 0
VODI 0 75 10 181 281 0 0 0
ODI 0 38 6 95 567 26 0 0
CDI 0 21 1 59 314 152 0 0
VCDI 0 8 1 60 300 814 1551 236
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 154 2 13 13 0 0 0
OW 0 233 15 78 71 0 0 0
VODI 0 190 16 171 289 2 0 0
ODI 0 104 9 119 390 26 0 0
CDI 0 63 2 107 321 91 0 0
VCDI 0 24 5 84 402 873 1551 236

Siberian Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 1 9 0 0 0 0
ODI 0 0 0 23 6 0 0 0
CDI 0 0 0 7 55 1 0 1
VCDI 0 0 0 54 335 346 1420 4988
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 5 0 0 0
CDI 0 0 1 22 33 1 0 4
VCDI 0 0 0 71 358 346 1420 4985

Laptev Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 25 15 0
VCDI 0 0 0 0 0 274 2134 2878
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 21 9 0
VCDI 0 0 0 0 0 278 2140 2878

Kara Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 59 2418 43 137 39 2 0 0
OW 0 100 33 140 41 5 0 0
VODI 0 16 11 210 54 6 0 0
ODI 0 0 0 46 181 6 0 0
CDI 0 0 0 0 187 108 3 0
VCDI 0 0 0 0 70 1427 989 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 59 2128 35 133 43 6 0 0
OW 0 231 14 73 39 5 0 0
VODI 0 139 21 100 28 5 0 0
ODI 0 35 16 135 44 7 0 0
CDI 0 1 1 91 149 52 4 0
VCDI 0 0 0 1 269 1479 988 0

Barents Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 6653 3043 38 318 127 4 0 0
OW 0 20 4 103 64 27 0 0
VODI 0 3 1 45 95 52 0 0
ODI 0 0 0 2 74 163 0 0
CDI 0 1 0 0 12 165 2 0
VCDI 0 0 0 0 0 136 179 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 6653 3048 40 437 232 41 0 0
OW 0 17 2 24 82 78 0 0
VODI 0 2 1 7 46 124 0 0
ODI 0 0 0 0 10 77 13 0
CDI 0 0 0 0 2 91 32 0
VCDI 0 0 0 0 0 136 136 0

Greenland Basin:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 5659 2489 13 30 5 0 0 0
OW 0 101 15 69 9 0 0 0
VODI 0 27 14 121 61 2 0 0
ODI 0 0 0 51 108 12 0 0
CDI 0 0 0 7 194 134 3 0
VCDI 0 0 0 0 11 426 2129 6
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 5659 2451 12 33 6 0 0 0
OW 0 110 11 45 12 0 0 0
VODI 0 51 12 92 31 3 0 0
ODI 0 5 7 68 68 10 0 0
CDI 0 0 0 38 158 73 0 0
VCDI 0 0 0 2 113 488 2132 6

Southeast Greenland:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 9625 2393 31 93 90 33 0 0
OW 0 134 4 5 6 20 8 0
VODI 0 89 12 21 5 5 4 0
ODI 0 21 12 81 44 6 3 0
CDI 0 1 1 29 119 39 3 0
VCDI 0 0 0 0 3 28 20 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 9625 2427 33 95 94 46 2 0
OW 0 104 4 13 7 13 10 0
VODI 0 82 11 24 14 7 14 0
ODI 0 19 9 48 45 12 7 0
CDI 0 6 3 49 91 39 4 0
VCDI 0 0 0 0 16 14 1 0

Baffin Bay:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 787 6 32 39 3 0 0
OW 0 57 7 30 11 12 0 0
VODI 0 8 8 61 32 20 0 0
ODI 0 0 0 8 110 28 0 0
CDI 0 0 0 3 74 154 0 0
VCDI 0 0 0 7 71 957 2821 457
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 762 6 21 34 1 0 0
OW 0 71 2 28 15 13 0 0
VODI 0 19 12 47 41 26 0 0
ODI 0 0 1 24 83 28 0 0
CDI 0 0 0 14 63 111 2 0
VCDI 0 0 0 7 101 995 2819 457

Hudson Bay:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 32 1 15 2 0 0 0
OW 0 113 8 37 26 0 0 0
VODI 0 44 4 212 271 32 0 0
ODI 0 0 1 52 323 109 6 0
CDI 0 0 0 8 54 561 88 0
VCDI 0 0 0 2 17 2805 3682 82
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 120 11 70 103 12 0 0
OW 0 68 2 33 160 100 0 0
VODI 0 1 1 136 314 202 30 0
ODI 0 0 0 69 86 173 66 0
CDI 0 0 0 15 12 347 297 0
VCDI 0 0 0 3 18 2673 3383 82

Labrador Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15390 3179 22 71 22 0 0 0
OW 3 151 22 138 32 0 0 0
VODI 0 21 12 255 126 10 0 0
ODI 0 0 0 51 275 42 0 0
CDI 0 0 0 3 176 170 0 0
VCDI 0 0 0 0 27 11 0 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15393 3123 26 80 20 0 0 0
OW 0 220 26 183 43 0 0 0
VODI 0 8 4 222 139 15 0 0
ODI 0 0 0 33 140 20 0 0
CDI 0 0 0 0 255 77 0 0
VCDI 0 0 0 0 61 121 0 0


Generated by /metno/routine/sms/V2/xSIvalidation/xSIwebPageGODAE.sh Sat 12 Jun 2021 12:53:49 AM UTC on arcval

 
See Met Privacy