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: 2019-02-07

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2019-02-11

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 0 218 5 39 12 1 0 0
OW 0 22 3 29 12 6 0 0
VODI 0 10 5 27 26 13 5 0
ODI 0 0 2 55 67 45 76 14
CDI 0 0 0 19 130 114 109 28
VCDI 0 0 0 1 40 307 2671 32791
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 212 5 35 10 2 0 0
OW 0 18 2 21 14 5 0 0
VODI 0 15 4 23 18 11 3 0
ODI 0 5 2 33 22 7 7 0
CDI 0 0 2 15 30 23 8 0
VCDI 0 0 0 43 193 438 2843 32833

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 5
VCDI 0 0 0 0 0 27 524 2577
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 1
CDI 0 0 0 0 0 0 0 23
VCDI 0 0 0 0 0 27 524 2558

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 13 1 0
CDI 0 0 0 0 0 53 56 0
VCDI 0 0 0 0 0 223 2199 7437
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 3 2 0
CDI 0 0 0 0 0 49 71 0
VCDI 0 0 0 0 0 237 2183 7437

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 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 5 1 0
ODI 0 0 0 0 0 35 26 0
CDI 0 0 0 0 0 27 40 3
VCDI 0 0 0 0 0 72 2088 3357
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 47 84 0
ODI 0 0 0 0 0 8 47 0
CDI 0 0 0 0 0 16 57 3
VCDI 0 0 0 0 0 68 1967 3357

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 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 75
VCDI 0 0 0 0 0 1 362 6808
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 19 80
VCDI 0 0 0 0 0 1 343 6803

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 0 6 0
VCDI 0 0 0 0 0 13 819 4488
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 13 825 4488

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 101 0 0 0 0 0 0
OW 0 25 0 0 0 0 0 0
VODI 0 36 0 0 0 0 0 0
ODI 0 26 0 5 2 0 1 0
CDI 0 38 6 28 41 21 16 12
VCDI 0 4 1 38 60 147 2881 2842
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 59 0 0 0 0 0 0
OW 0 17 0 0 0 0 0 0
VODI 0 20 0 0 0 0 0 0
ODI 0 23 0 0 0 0 0 0
CDI 0 31 0 2 2 4 0 17
VCDI 0 80 7 69 101 164 2898 2837

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3439 4261 66 265 59 10 0 0
OW 0 121 19 253 85 9 0 0
VODI 0 27 8 219 297 28 0 0
ODI 0 7 1 31 314 118 3 0
CDI 0 4 2 6 111 322 7 0
VCDI 0 0 0 3 45 385 806 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 3439 4147 49 204 61 8 0 0
OW 0 156 16 236 68 11 0 0
VODI 0 76 24 143 158 26 3 0
ODI 0 16 4 129 211 37 4 0
CDI 0 17 1 50 267 123 12 0
VCDI 0 8 2 15 146 667 797 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 5876 3113 5 9 0 0 0 0
OW 0 164 7 38 0 0 0 0
VODI 0 47 21 102 24 0 0 0
ODI 0 0 0 85 59 4 0 0
CDI 0 0 0 14 158 66 1 0
VCDI 0 0 0 0 56 279 1554 14
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 5876 3050 6 15 0 0 0 0
OW 0 161 2 18 1 0 0 0
VODI 0 108 18 51 15 0 0 0
ODI 0 5 7 99 37 0 0 0
CDI 0 0 0 59 92 26 0 0
VCDI 0 0 0 6 152 323 1555 14

Southeast Greenland:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8347 3118 21 46 28 4 0 0
OW 0 80 27 74 12 8 0 0
VODI 0 18 8 153 75 1 0 0
ODI 0 0 0 23 134 9 0 0
CDI 0 0 0 0 115 110 0 0
VCDI 0 0 0 0 16 327 234 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8347 3118 30 86 43 8 0 0
OW 0 88 18 80 15 5 0 0
VODI 0 10 8 89 70 6 0 0
ODI 0 0 0 37 105 16 0 0
CDI 0 0 0 4 113 86 0 0
VCDI 0 0 0 0 34 338 234 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 56 4 7 0 0 0 0
OW 0 0 1 18 0 0 0 0
VODI 0 0 0 8 11 0 0 0
ODI 0 0 0 7 20 0 0 0
CDI 0 0 0 7 52 26 8 0
VCDI 0 0 0 0 65 783 3082 1648
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 44 2 2 0 0 0 0
OW 0 10 2 8 0 0 0 0
VODI 0 2 1 17 2 0 0 0
ODI 0 0 0 10 5 0 0 0
CDI 0 0 0 4 17 7 3 0
VCDI 0 0 0 6 124 802 3087 1648

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 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 55 4 3
VCDI 0 0 0 0 0 465 2134 5926
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 67 0 3
VCDI 0 0 0 0 0 453 2138 5926

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 10855 4295 49 195 198 10 0 0
OW 0 184 38 144 71 21 0 0
VODI 0 51 17 142 206 27 0 0
ODI 0 14 1 55 359 61 0 0
CDI 0 2 1 23 333 243 7 0
VCDI 0 0 0 9 214 1228 1156 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 10855 4382 65 259 279 41 0 0
OW 0 79 26 105 110 31 0 0
VODI 0 57 6 99 190 35 0 0
ODI 0 19 4 44 238 82 0 0
CDI 0 9 5 28 229 206 2 0
VCDI 0 0 0 33 335 1195 1161 0


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