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: 2019-07-11

Model: ARC MFC - TOPAZ

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

Model vs. observations, sea ice class contingency tables

Date: 2019-07-15

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 0 264 28 103 18 0 0 0
OW 0 4 6 186 36 1 0 0
VODI 0 0 0 277 270 21 0 0
ODI 0 0 0 11 3220 373 0 0
CDI 0 0 0 0 212 20273 2212 0
VCDI 0 0 0 0 0 7323 2064 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 262 27 239 52 1 0 0
OW 0 6 7 269 265 16 0 0
VODI 0 0 0 64 1130 206 0 0
ODI 0 0 0 5 2096 1953 369 0
CDI 0 0 0 0 213 16685 2296 0
VCDI 0 0 0 0 0 9130 1611 0

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 0 277 9 45 0 0 0 0
OW 0 3 2 18 6 0 0 0
VODI 0 0 0 48 112 0 0 0
ODI 0 0 0 4 379 25 0 0
CDI 0 0 0 0 245 1195 0 0
VCDI 0 0 0 0 547 218 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 274 9 43 0 0 0 0
OW 0 6 2 31 33 0 0 0
VODI 0 0 0 32 186 9 0 0
ODI 0 0 0 9 163 40 0 0
CDI 0 0 0 0 312 1133 0 0
VCDI 0 0 0 0 595 256 0 0

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 82 1988 62 473 20 0 0 0
OW 0 15 17 242 54 0 0 0
VODI 0 0 0 458 443 0 0 0
ODI 0 0 0 38 3175 0 0 0
CDI 0 0 0 0 1224 1691 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 82 1979 62 534 57 0 0 0
OW 0 24 17 296 263 0 0 0
VODI 0 0 0 302 697 0 0 0
ODI 0 0 0 79 1821 0 0 0
CDI 0 0 0 0 2078 1691 0 0
VCDI 0 0 0 0 0 0 0 0

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2013 2200 27 171 0 0 0 0
OW 0 43 8 196 2 0 0 0
VODI 0 1 0 489 200 0 0 0
ODI 0 0 0 7 297 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2013 2160 27 391 83 0 0 0
OW 0 79 6 369 297 0 0 0
VODI 0 5 2 103 116 0 0 0
ODI 0 0 0 0 3 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

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 1203 55 185 0 0 0 0
OW 0 266 36 355 14 0 0 0
VODI 0 39 11 979 429 0 0 0
ODI 0 0 0 64 3609 0 0 0
CDI 0 0 0 0 1 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 1228 63 363 66 0 0 0
OW 0 217 24 547 489 0 0 0
VODI 0 50 12 495 1786 0 0 0
ODI 0 13 3 141 1699 0 0 0
CDI 0 0 0 37 13 0 0 0
VCDI 0 0 0 0 0 0 0 0

Laptev Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 74 3123 40 101 0 0 0 0
OW 0 156 39 287 13 0 0 0
VODI 0 4 2 514 150 0 0 0
ODI 0 0 0 0 616 13 0 0
CDI 0 0 0 0 32 162 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 74 2937 41 198 45 0 0 0
OW 0 296 31 290 142 0 0 0
VODI 0 50 9 371 293 0 0 0
ODI 0 0 0 43 292 57 0 0
CDI 0 0 0 0 39 114 0 0
VCDI 0 0 0 0 0 4 0 0

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 829 3936 43 130 15 0 0 0
OW 0 150 49 263 33 0 0 0
VODI 0 1 2 314 152 1 0 0
ODI 0 0 0 6 292 16 0 0
CDI 0 0 0 0 18 81 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 829 3878 46 171 21 0 0 0
OW 0 191 41 326 90 0 0 0
VODI 0 18 7 216 276 14 0 0
ODI 0 0 0 0 122 84 0 0
CDI 0 0 0 0 1 0 0 0
VCDI 0 0 0 0 0 0 0 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 7739 2936 26 35 0 0 0 0
OW 0 19 14 90 3 0 0 0
VODI 0 0 0 92 81 1 0 0
ODI 0 0 0 2 161 28 0 0
CDI 0 0 0 0 18 86 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7739 2948 34 89 1 0 0 0
OW 0 7 6 94 64 0 0 0
VODI 0 0 0 28 155 12 0 0
ODI 0 0 0 8 42 73 0 0
CDI 0 0 0 0 1 30 0 0
VCDI 0 0 0 0 0 0 0 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 6495 2678 33 498 34 9 0 0
OW 0 7 3 141 57 8 0 0
VODI 0 0 0 162 236 16 0 0
ODI 0 0 0 5 1024 69 0 0
CDI 0 0 0 0 60 161 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6495 2685 35 553 65 15 0 0
OW 0 0 1 178 212 16 0 0
VODI 0 0 0 75 733 108 0 0
ODI 0 0 0 0 366 123 0 0
CDI 0 0 0 0 35 1 0 0
VCDI 0 0 0 0 0 0 0 0

Southeast Greenland:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 11511 1290 21 132 34 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 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 11511 1290 21 132 34 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 0 0 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 2849 2614 24 77 54 0 0 0
OW 0 15 6 61 18 0 0 0
VODI 0 0 0 48 29 0 0 0
ODI 0 0 0 0 6 0 0 0
CDI 0 0 0 0 2 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2849 2618 27 96 63 0 0 0
OW 0 11 3 60 16 0 0 0
VODI 0 0 0 30 25 0 0 0
ODI 0 0 0 0 4 0 0 0
CDI 0 0 0 0 1 0 0 0
VCDI 0 0 0 0 0 0 0 0

Hudson Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2542 3630 96 1417 125 0 0 0
OW 0 3 2 311 98 0 0 0
VODI 0 0 0 45 211 0 0 0
ODI 0 0 0 0 107 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2542 3622 97 1676 218 0 0 0
OW 0 11 1 91 248 0 0 0
VODI 0 0 0 6 75 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 0 0 0

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 18538 1564 16 73 18 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 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 18538 1564 16 73 18 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 0 0 0


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